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2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
* tree-vrp.c (execute_vrp): Do not update current_loops.
* loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
* doc/loop.texi: Remove documentation for cancelled functions.
* tree-ssa-loop-im.c (loop_commit_inserts): Removed.
(move_computations, determine_lsm): Use bsi_commit_edge_inserts
instead.
* cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
(remove_path): Ensure that in delete_basic_blocks, the loops
are still allocated.
(add_loop): Work on valid loop structures.
(loopify): Modify call of add_loop.
(mfb_update_loops): Removed.
(create_preheader): Do not update loops explicitly.
(force_single_succ_latches, loop_version): Do not use
loop_split_edge_with.
(loop_split_edge_with): Removed.
* tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
Do not use bsi_insert_on_edge_immediate_loop.
(split_loop_exit_edge, tree_unroll_loop): Do not use
loop_split_edge_with.
(bsi_insert_on_edge_immediate_loop): Removed.
* tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
use loop_split_edge_with.
* cfghooks.c: Include cfgloop.h.
(verify_flow_info): Verify that loop_father is filled iff current_loops
are available.
(redirect_edge_and_branch_force, split_block, delete_basic_block,
split_edge, merge_blocks, make_forwarder_block, duplicate_block):
Update cfg.
* cfgloopanal.c (mark_irreducible_loops): Work if the function contains
no loops.
* modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
loop_split_edge_with.
(sms_schedule): Use current_loops.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
current_loops.
(rtl_loop_init, rtl_loop_done): Do not set current_loops.
* tree-ssa-sink.c (execute_sink_code): Use current_loops.
* ifcvt.c (if_convert): Ditto.
* predict.c (predict_loops): Do not clear current_loops.
(tree_estimate_probability): Use current_loops.
(propagate_freq): Receive head of the region to propagate instead of
loop.
(estimate_loops_at_level): Do not use shared to_visit bitmap.
(estimate_loops): New function. Handle case current_loops == NULL.
(estimate_bb_frequencies): Do not allocate tovisit. Use
estimate_loops.
* tree-ssa-loop.c (current_loops): Removed.
(tree_loop_optimizer_init): Do not return loops.
(tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
Do not update loops explicitly.
* function.h (struct function): Add x_current_loops field.
(current_loops): New macro.
* tree-if-conv.c (combine_blocks): Do not update loops explicitly.
* loop-unroll.c (split_edge_and_insert): New function.
(unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
use loop_split_edge_with.
* loop-doloop.c (add_test, doloop_modify): Ditto.
* tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
* cfglayout.c (copy_bbs): Do not update loops explicitly.
* lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
* tree-vect-transform.c (vect_transform_loop): Do not update loops
explicitly.
* cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
(flow_loops_free): Do not free dfs_order and rc_order.
(flow_loops_find): Do not set dfs_order and rc_order in loops
structure. Do not call loops and flow info verification.
(add_bb_to_loop, remove_bb_from_loops): Check whether the block
already belongs to some loop.
* cfgloop.h (struct loops): Remove struct cfg.
(current_loops, loop_split_edge_with): Declaration removed.
(loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
* tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
Declaration removed.
* Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
* basic-block.h (split_edge_and_insert): Declare.
* tree-cfg.c (remove_bb): Do not update loops explicitly.
2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/29801
* tree-ssa-ccp.c (get_symbol_constant_value): New function.
(get_default_value): Use get_symbol_constant_value.
(set_lattice_value): ICE when the value of the constant is
changed.
(visit_assignment): Ignore VDEFs of read-only variables.
2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
* tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
formating.
(vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
vect_gen_niters_for_prolog_loop): Fold the emited expressions.
2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
select subvars of var.
2006-11-17 Jakub Jelinek <jakub@redhat.com>
PR middle-end/29584
* tree-ssa-forwprop.c (simplify_switch_expr): Don't
optimize if DEF doesn't have integral type.
2006-11-16 Mike Stump <mrs@apple.com>
* config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
pre-darwin9 system, unless the user asks for it directly.
(PREFERRED_DEBUGGING_TYPE): Likewise.
* config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
* config.gcc: Add suppport for darwin9.h.
* config/darwin9.h: Add.
* doc/install.texi (Specific): Clarify darwin documentation.
2006-11-16 Richard Earnshaw <rearnsha@arm.com>
* arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
optimizing for size.
2006-11-16 Mike Stump <mrs@apple.com>
* Makefile.in (targhooks.o): Add $(OPTABS_H).
2006-11-16 Dirk Mueller <dmueller@suse.de>
* tree-vrp.c (get_value_range): Use XCNEW instead
of XNEW and memset.
(insert_range_assertions): Use XCNEWVEC instead
of XNEWVEC and memset.
(vrp_initialize): Same.
(vrp_finalize): Same.
* tree-ssa-ccp.c (ccp_initialize): Same.
* predict.c (tree_bb_level_predictions): Same.
* calls.c (expand_call): Same.
* tree-ssa-copy.c (init_copy_prop): Same.
(fini_copy_prop): Same.
* tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
of GGC_NEW and memset.
2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
PR middle-end/26306
* gimplify.c (gimplify_expr): Only force a load for references to
non-BLKmode volatile values.
* doc/implement-c.texi (Qualifiers implementation): Document the
interpretation of what a volatile access is.
* doc/extend.texi (C++ Extensions): Rework same documentation.
2006-11-16 Joseph Myers <joseph@codesourcery.com>
* config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
memory operand.
2006-11-16 Richard Earnshaw <rearnsha@arm.com>
* arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
Thumb.
(arm_neg_abssi2): Renamed from neg_abssi2.
(thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
2006-11-16 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.c (ix86_function_sseregparm): Fix comment:
number of arguments passed to local functions in SSE registers is 3.
* doc/invoke.texi (Function Attributes) [sseregparm]: Correct
number of arguments passed in SSE registers to 3.
2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
PR target/29201
* cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
bb to ...
(get_last_bb_insn): ... new global function.
(basic_block.h): Declare it.
* haifa-sched.c (create_recovery_block): Use it.
2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/29862
* real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
2006-11-15 Paul Brook <paul@codesourcery.com>
* config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
_Unwind_GetTextRelBase): Move from here ...
* config/arm/pr-support.c (_Unwind_GetDataRelBase,
_Unwind_GetTextRelBase): ... To here.
2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
* tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
addresses we generate for testing are aligned.
2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/29788
* fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
to what is the const decl is a place holder for.
2006-11-15 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.opt: New target option -mx87regparm.
* config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
and float_in_x87 variables. mmx_words, sse_words: Remove.
(X87_REGPARM_MAX): Define.
* config/i386/i386.c (override_options): Error out for
-mx87regparm but no 80387 support.
(ix86_attribute_table): Add x87regparm.
(ix86_handle_cconv_attribute): Update comments for x87regparm.
(ix86_comp_type_attributes): Check for mismatched x87regparm types.
(ix86_function_x87regparm): New function.
(ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
point registers.
(init_cumulative_args): Initialize x87_nregs and float_in_x87
variables.
(function_arg_advance): Process x87_nregs and x87_regno when
floating point argument is to be passed in 80387 register.
(function_arg): Pass XFmode arguments in 80387 registers for local
functions. Pass SFmode and DFmode arguments to local functions
in 80387 registers when flag_unsafe_math_optimizations is set.
* reg-stack.c (convert_regs_entry): Disable NaN load for
stack registers that are used for argument passing.
* doc/extend.texi: Document x87regparm function attribute.
* doc/invoke.texi: Document -mx87regparm.
2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
* tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
* tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
arg MODE; all callers changed. Use it to determine validity per
machine mode instead of using Pmode for all memory references.
(get_address_cost): Likewise add and use new arg MEM_MODE.
2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
J"orn Rennecke <joern.rennecke@st.com>
* combine.c (likely_spilled_retval_1): Fix masking operation.
(likely_spilled_retval_p): Use proper pattern for call to
likely_spilled_retval_1.
2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
* tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
* config/bfin/bfin.c (legitimize_pic_address): Lose dead code
that tests for CONSTANT_POOL_ADDRESS_P.
2006-11-15 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/29581
* lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
REPLACEMENTS, FIRSTBSI arguments. If initial condition or
type is different between Y and USE, create a temporary
variable, initialize it at the beginning of the body bb
and use it as replacement instead of Y.
2006-11-15 Paolo Bonzini <bonzini@gnu.org>
PR middle-end/29753
* gimplify.c (fold_indirect_ref_rhs): Use
STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
2006-11-14 Richard Earnshaw <rearnsha@arm.com>
* expmed.c (emit_store_flag_1): New function.
(emit_store_flag): Call it. If we can't find a suitable scc insn,
try a cstore insn.
* expr.c (do_store_flag): If we can't find a scc insn, try cstore.
Use do_compare_rtx_and_jump.
* arm.h (BRANCH_COST): Increase to 2 on Thumb.
* arm.md (cstoresi4): New define_expand.
(cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
(cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
(cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
2006-11-14 Caroline Tice <ctice@apple.com>
* dwarf2out.c (debug_pubtypes_section): New static global variable.
(pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
this type.
(pubname_table): Redefine as a vector.
(pubtype_table): New static global variable, defined as a vector.
(pubname_table_allocated): Remove static global variable.
(pubname_table_in_use): Remove static global variable.
(PUBNAME_TABLE_INCREMENT): Remove constant.
(size_of_pubnames): Add parameter to deal with either pubnames or
pubtypes, and change code to deal with table being a vector.
(add_pubname): Change to deal with table being a vector.
(add_pubtype): New function.
(output_pubnames): Add parameter to deal with either pubnames or
pubtypes, and change code to deal with table being a vector.
(gen_array_type_die): Add call to add_pubtype.
(gen_enumeration_type_die): Add call to add_pubtype.
(gen_struct_or_union_type_die): Add call to add_pubtype.
(gen_subroutine_type_die): Add call to add_pubtype.
(gen_typedef_die): Add call to add_pubtype.
(dwarf2out_init): Add code to initialize pubname_table and
pubtype_table vectors; also initialize debug_pubtypes_section.
(prune_unused_types): Change to deal with pubnames being a vector.
(dwarf2out_finish): Change to deal with pubnames being a vector; add
pubnames table to call to output_pubnames; Add code to output pubtypes
table if DEBUG_PUBTYPES_SECTION is defined.
* config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
debugnames.
* config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
2006-11-14 Joseph Myers <joseph@codesourcery.com>
* config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
iwmmxt_nregs if TARGET_IWMMXT_ABI.
* config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
movv2si_internal): Support moves between core registers.
2006-11-14 Eric Christopher <echristo@apple.com>
* configure: Regenerate with autoconf 2.59.
2006-11-14 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/27755
* tree-ssa-pre.c: Update comments.
(bb_bitmap_sets): Add pa_in and deferred member.
(BB_DEFERRED): New macro.
(maximal_set): New variable.
(pre_stats): Add pa_insert member.
(bitmap_set_and): Short circuit orig == dest.
(bitmap_set_subtract_values): New function.
(bitmap_set_contains_expr): Ditto.
(translate_vuses_through_block): Add phiblock argument.
(dependent_clean): New function.
(compute_antic_aux): Update for maximal_set changes.
(compute_partial_antic_aux): New function.
(compute_antic): Handle partial anticipation.
(do_partial_partial_insertion): New function.
(insert_aux): Handle partial anticipation.
(add_to_sets): Add to maximal set.
(compute_avail): Ditto.
(init_pre): Initialize maximal_set.
(execute_pre): Do partial anticipation if -O3+.
2006-11-14 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/29798
* fwprop.c (use_killed_between): Check that DEF_INSN dominates
TARGET_INSN before any other check.
(fwprop_init): Always calculate dominators.
(fwprop_done): Always free them.
2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
COND_EXPR.
2006-11-13 DJ Delorie <dj@redhat.com>
* config/m32c/m32c.c (m32c_prepare_shift): Use a separate
temporary for intermediates.
2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
(sh_optimize_target_register_callee_saved): #if 0 the code
using NOTE_INSN_LOOP_{BEG,END}.
2006-11-13 Roger Sayle <roger@eyesopen.com>
* fold-const.c (optimize_bit_field_compare): Recursively call
fold when simplifying non-constant comparisons between bit-fields.
2006-11-13 Jakub Jelinek <jakub@redhat.com>
* configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
test.
* configure: Rebuilt.
2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/rs6000/cell.md: New file.
* config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
variable.
(ppccell_cost): New cost matrix.
(TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
(rs6000_override_options): Set rs6000_always_hint to false
for cell. Also align functions/lables/loops to 8byte
for the Cell. Use PROCESSOR_CELL.
(rs6000_emit_epilogue): Rename using_mfcr_multiple to
using_mtcr_multiple.
(rs6000_variable_issue): If the insn is a nonpipelined instruction
on the Cell, return 0.
(rs6000_adjust_cost): Add Cell cost adjustments.
(is_microcoded_insn): Return true for Cell microcoded
instructions.
(is_nonpipeline_insn): New function.
(rs6000_issue_rate): Add PROCESSOR_CELL.
(rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
instructions.
(rs6000_use_sched_lookahead_guard): New function.
(rs6000_sched_reorder): Reorder the ready list, if the second
to last ready insn is a nonepipeline insn on the Cell.
* config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
(ASM_CPU_SPEC): Add Cell.
* config/rs6000/rs6000.md (cpu): Add Cell.
(cell_micro): New Attr.
Include cell.md
2006-11-13 Jakub Jelinek <jakub@redhat.com>
* configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
style versions.
* configure: Rebuilt.
2006-11-13 Richard Guenther <rguenther@suse.de>
* config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
return value.
(ix86_expand_lfloorceil): Likewise.
(ix86_expand_rint): Likewise.
(ix86_expand_floorceildf_32): Likewise.
(ix86_expand_floorceil): Likewise.
(ix86_expand_rounddf_32): Likewise.
(ix86_expand_truncdf_32): Likewise.
(ix86_expand_round): Likewise.
2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
Mark Mitchell <mark@codesourcery.com>
* gcc.c: Organize search path variables into $prefix relative,
and well-known native. Add comments.
(add_sysrooted_prefix): Add comment.
(process_command): If !gcc_exec_prefix add $prefix based paths.
If *cross_compile == '0', add native well-known paths.
Assert tooldir_base_prefix is always relative.
(main): If print_search_dirs, and if gcc_exec_prefix is set,
use this value for 'install:' path.
* Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c: Fix a typo in comment.
2006-11-13 Michael Matz <matz@suse.de>
* genemit.c (gen_expand): Allocate enough memory.
2006-11-13 Joseph Myers <joseph@codesourcery.com>
* config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
__GXX_TYPEINFO_EQUALITY_INLINE but not
__GXX_MERGED_TYPEINFO_NAMES.
* config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
__GXX_MERGED_TYPEINFO_NAMES.
* config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
__GXX_TYPEINFO_EQUALITY_INLINE.
2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/29680
* tree-ssa-operands.c (access_can_touch_variable): Revert fix for
PR 14784.
2006-11-12 Jason Merrill <jason@redhat.com>
Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/28915
* gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
vector ctors.
* tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
vector ctors.
* expmed.c (make_tree): Handle CONST, SYMBOL_REF.
* tree.c (build_vector): Handle non-_CST elements.
2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
* genemit.c (gen_insn): Call gen_exp with a non-null used
when handling multiple insns.
(gen_expand): Likewise.
* reorg.c (emit_delay_sequence): Copy the delay slot insn.
* config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
(movsi_const_16bit+1): Copy operands[1].
(call_pcrel): Copy the call_site pattern.
(call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
2006-11-12 Roger Sayle <roger@eyesopen.com>
* fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
&& !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
(fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
2006-11-12 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/29587
* tree-ssa-structalias.c (process_constraint): Don't
mark address taken due only to escaped vars constraint.
2006-11-12 Michael Matz <matz@suse.de>
Roger Sayle <roger@eyesopen.com>
PR rtl-optimization/29797
* ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
BITS_BIG_ENDIAN targets.
2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.c (fold_builtin_cosh): New.
(fold_builtin_1): Use it.
* fold-const.c (negate_mathfn_p): Add llround, lround, round,
trunc to the list of "odd" functions. Also add llrint, lrint,
rint and nearbyint when flag_rounding_math is false.
2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
* tree-flow.h (name_mappings_registered_p): Declare.
* tree-into-ssa.c (name_mappings_registered_p): New function.
* tree-cfg.c (tree_can_merge_blocks_p): Check
name_mappings_registered_p instead of need_ssa_update_p.
2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop.c (tree_vectorize): Return the result of
vectorize_loops.
* tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
if anything changed.
* tree-vectorizer.h (vectorize_loops): Declaration removed.
* tree-flow.h (vectorize_loops): Declaration changed.
2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
comments.
(issue_prefetch_ref): Move assignment to write_p out of loop.
(determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
SIMULTANEOUS_PREFETCHES into account.
(loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
* lambda-code.c (lcm): Renamed to ...
(least_common_multiple): ... and exported.
* tree-flow.h (least_common_multiple): Declare.
2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
* Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
* tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
ud-chains. Handle AND_EXPR.
(record_estimate): Record whether the estimate is realistic
and whether it is derived from a loop exit.
(record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
functions.
(compute_estimated_nb_iterations): Take only realistic bounds into
account. Set estimate_state. Use double_ints.
(infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
and infer_loop_bounds_from_signedness. Do not consider basic blocks
that do not have to be always executed.
(estimate_numbers_of_iterations_loop): Set estimate_state, and use it
to determine whether to call infer_loop_bounds_from_undefined
and compute_estimated_nb_iterations.
(n_of_executions_at_most): Use double_ints.
(free_numbers_of_iterations_estimates_loop): Set estimate_state.
(substitute_in_loop_info): Do not replace in estimated_nb_iterations.
* double-int.c (double_int_to_tree): Improve comment.
(double_int_fits_to_tree_p): New function.
* double-int.h (double_int_fits_to_tree_p): Declare.
* tree-data-ref.c: Include langhooks.h.
(estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
(analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
(analyze_array): Do not pass estimate_only argument to
analyze_array_indexes.
(get_number_of_iters_for_loop): Build tree from the stored double_int
value.
(get_references_in_stmt, find_data_references_in_stmt): New functions.
(find_data_references_in_loop): Use find_data_references_in_stmt.
* tree-data-ref.h (struct data_ref_loc_d): New.
(get_references_in_stmt): Declare.
(estimate_iters_using_array): Declaration removed.
* cfgloop.h (struct nb_iter_bound): Change type of bound to
double_int. Improve comments. Add is_exit and realistic
fields.
(struct loop): Changed type of estimated_nb_iterations to double_int.
Added estimate_state field.
(record_estimate): Declaration removed.
2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
* params.c (set_param_value): Initialize the "set" field.
* params.h (struct param_info): Add "set" field.
(PARAM_SET_P): New macro.
(PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
L1_CACHE_LINE_SIZE): New macros.
* toplev.c (DEFPARAM): Initialize the "set" field.
* tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
SIMULTANEOUS_PREFETCHES): Removed.
(PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
(tree_ssa_prefetch_arrays): Dump the values of the parameters.
* config/sparc/sparc.c: Include params.h.
(sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
L1_CACHE_LINE_SIZE parameters.
* config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
Removed.
* config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
Removed.
* config/i386/i386.c: Include params.h.
(k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
(override_options): Set SIMULTANEOUS_PREFETCHES and
L1_CACHE_LINE_SIZE parameters.
* config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
(OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
L1_CACHE_LINE_SIZE parameters.
* config/ia64/ia64.c (ia64_optimization_options): Set
SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
* config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
Removed.
* params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
* doc/invoke.texi: Document new params.
2006-11-12 Roger Sayle <roger@eyesopen.com>
PR tree-optimization/13827
* fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
as ((X^Y)&C) op 0.
2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
* cfgloopmanip.c (update_single_exit_for_duplicated_loop,
update_single_exit_for_duplicated_loops): New functions.
(duplicate_loop_to_header_edge): Use
update_single_exit_for_duplicated_loops.
* tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
functions only with ENABLE_CHECKING.
2006-11-12 Andreas Schwab <schwab@suse.de>
* except.c (sjlj_emit_function_enter): Remove unused variable.
2006-11-11 Roger Sayle <roger@eyesopen.com>
* fold-const.c (int_binop_types_match_p): New function.
(size_binop): Relax constraint that both arguments must both have
exactly the same sizetype type. Instead use int_binop_types_match_p.
(size_diffop): Likewise.
(make_range): Use build_int_cst instead of fold_convert.
(fold_cond_expr_with_comparison): Use build_int_cst to construct
integer constants of the correct type.
(fold_div_compare): Likewise.
(fold_single_bit_test): Likewise.
(fold_binary): Likewise.
* stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR rtl-opt/28812
* alias.c (fixed_scalar_and_varying_struct_p): Don't return a
non null value if the struct memory access is in the 0th
aliasing set.
2006-11-12 Jie Zhang <jie.zhang@analog.com>
Revert
2006-11-11 Jie Zhang <jie.zhang@analog.com>
* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
and __BFIN__.
* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
instead of builtin_define for bfin and BFIN.
2006-11-11 Jie Zhang <jie.zhang@analog.com>
* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
and __BFIN__.
2006-11-11 Jan Hubicka <jh@suse.cz>
* extended.texi (__builtin_expect): We no longer require second argument
to be constant.
* gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
* builtins.c (expand_builtin_expect): Simplify.
(expand_builtin_expect_jump): Kill.
* final.c (final_scan_insn): Do not skip the removed notes.
* insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
EXPECTED_VALUE): Remove.
* dojump.c (do_jump): Do not care about __builtin_expect.
* predict.c (expected_value_to_br_prob): Kill.
* function.c (expand_function_end): Do not expand
NOTE_INSN_REPEATED_LINE_NUMBER.
* print-rtl.c (print_rtx): Do not pretty print the removed notes.
* expect.c (sjlj_emit_function_enter): Emit directly branch probability.
* cfgexpand.c (add_reg_br_prob_note): Export.
* cfgcleanup.c (rest_of_handle_jump2): Do not call
expected_value_to_br_prob.
* cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
* rtl.h (add_reg_br_prob_note): Declare.
2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2006-11-11 Jan Hubicka <jh@suse.cz>
* predict.c (predict_loops): Kill RTL variant.
2006-11-11 Jan Hubicka <jh@suse.cz>
* tree-pass.h (pass_purge_lineno_notes): Remove declaration.
* modulo-sched.c (find_line_note): Remove.
(loop_canon_p): Do not worry about line number notes.
(sms_schedule): Likewise.
* cse.c (cse_main): Likewise.
* regmove.c (fixup_match_1): Likewise
* function.c (emit_return_info_block): Likewise.
(expand_function_end): Likewise.
(thread_prologue_an_epilogue_insns): Likewise.
* cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
Likewise.
* emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
emit_note_copy_after): Kill.
(emit_note_copy): Do not worry about line numbers.
* jump.c (purge_line_number_notes): Kill.
(pass_purge_lineno_notes): Kill.
* cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
call.
* rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
* passes.c (init_optimization_passes): Don't purge_lineno_notes.
* sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
* tree-pass.h (pass_purge_lineno_notes): Kill.
* sched-ebb.c (schedule_ebb): Don't rm_line_notes,
rm_redundant_line_notes.
* sched-rgb.c (schedule_region): Don't rm_line_notes,
rm_redundant_line_notes.
* sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
* haifa-sched.c: Update comment about handling notes.
(unlink_line_notes): Kill.
(rm_line_notes): Kill.
(save_line_notes): Simplify.
(rm_redundant_line_notes): Kill.
2006-11-11 Richard Guenther <rguenther@suse.de>
* tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
Remove unused tree codes.
* tree-vrp.c (extract_range_from_unary_expr): Remove handling
of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
* tree.c (stabilize_reference): Likewise.
* fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
fold_unary): Likewise.
* tree-gimple.c (is_gimple_cast): Likewise.
* dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
* expr.c (expand_expr_real_1): Likewise.
* tree-eh.c (tree_could_trap_p): Likewise.
* gimplify.c (gimplify_expr): Likewise.
* tree-inline.c (estimate_num_insns_1): Likewise.
* tree-cfg.c (verify_expr): Likewise.
2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
* tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
(tree_ssa_prefetch_arrays): Do not dump for removed loops.
2006-11-11 Richard Sandiford <richard@codesourcery.com>
PR middle-end/27528
* stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
constraints accept neither registers or memories.
2006-11-11 Jie Zhang <jie.zhang@analog.com>
* config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
(NO_PROFILE_COUNTERS): Define as 1.
2006-11-10 Roger Sayle <roger@eyesopen.com>
* fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
* rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
(fold_builtin_hypot): Likewise.
* fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
* fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2006-11-10 Roger Sayle <roger@eyesopen.com>
* tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
when attempting to build INTEGER_CSTs of non-integral types.
* expmed.c (make_tree): Use the correct type, i.e. the inner
type, when constructing the individual elements of a CONST_VECTOR.
2006-11-10 Jan Hubicka <jh@suse.cz>
* cse.c (cse_process_notes): Copy the propagated value.
* local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
in REG_EQUIV notes.
* gcse.c (try_replace_reg): Copy the replacement.
* i386.c (emit_i387_cw_initialization): Copy stored_mode.
(assign_386_stack_local): Always return copied memory expression
* function.c (instantiate_virtual_regs_in_insn): Copy the operand
duplicates.
2006-11-10 Jan Hubicka <jh@suse.cz>
* final.c (final): Walk from first instruction.
* cfglayout.c (insn_locators_initialize): Remove line number notes.
2006-11-10 Uros Bizjak <ubizjak@gmail.com>
PR target/29777
* config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
to define_expand.
(umulv8hi3_highpart): Ditto.
(vec_widen_smult_hi_v8hi): New expander.
(vec_widen_smult_lo_v8hi): Ditto.
2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR middle-end/29335
* builtins.c (do_mpfr_arg3): New.
(fold_builtin_1): Handle builtins fma, fmin and fmax.
2006-11-09 Eric Christopher <echristo@apple.com>
PR bootstrap/26892
PR bootstrap/27814
PR other/28994
* configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
* config.gcc (powerpc64-*-darwin*): New target.
* config.host: Ditto.
* config/rs6000/darwin64.h: New file.
* config/rs6000/x-darwin64: Ditto.
* config/rs6000/host-ppc64-darwin.c: Ditto.
2006-11-09 Steve Ellcey <sje@cup.hp.com>
* config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
routines for integer division.
2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
* config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
PR middle-end/29726
* fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
* simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
simplify_subreg with BLKmode outer mode.
2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
* doc/invoke.texi: Minor formatting fixes in option lists.
2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/29738
* tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
(ccp_lattice_t): Remove UNKNOWN_VAL.
(dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
Do not handle UNKNOWN_VAL.
(get_default_value): Set initial value of virtual operands to
VARYING.
(get_value): Always use get_default_value on uninitialized
operands.
(set_value_varying, surely_varying_stmt_p): New functions.
(set_lattice_value): Do not pass argument to get_value.
Do not handle UNKNOWN_VAL.
(likely_value): Follow the semantics described in the comment.
(ccp_initialize): Use surely_varying_stmt_p. Do not mark
phi nodes DONT_SIMULATE_AGAIN.
(ccp_fold): Do not pass argument to get_value.
(fold_const_aggregate_ref, visit_assignment): Ditto. Do not
handle UNKNOWN_VAL.
2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
* tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2006-11-08 Roger Sayle <roger@eyesopen.com>
* tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
test for inclusion rather than as a test for exclusion.
* tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
the condition after calling fold_binary.
* fold-const.c (fold_inf_compare): Remove in_gimple_form check.
(fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
* builtins.c (fold_builtin_isascii): Likewise.
(fold_builtin_isdigit): Likewise.
2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
* configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
* configure: Regenerate.
2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
* tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
enum argument instead of bool.
(vect_analyze_operations): Call vectorizable_type_promotion.
* tree-vectorizer.h (type_promotion_vec_info_type): New enum
stmt_vec_info_type value.
(supportable_widening_operation, vectorizable_type_promotion): New
function declarations.
* tree-vect-transform.c (vect_gen_widened_results_half): New function.
(vectorizable_type_promotion): New function.
(vect_transform_stmt): Call vectorizable_type_promotion.
* tree-vect-analyze.c (supportable_widening_operation): New function.
* tree-vect-patterns.c (vect_recog_dot_prod_pattern):
Add implementation.
* tree-vect-generic.c (expand_vector_operations_1): Consider correct
mode.
* tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
(VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
* tree-inline.c (estimate_num_insns_1): Add cases for above new
tree-codes.
* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
* expr.c (expand_expr_real_1): Likewise.
* optabs.c (optab_for_tree_code): Likewise.
(init_optabs): Initialize new optabs.
* genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
vec_unpacku_lo_optab): Initialize new optabs.
* optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
(OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
optab indices.
(vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
(vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
(vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
(vec_unpacku_lo_optab): New optabs.
* doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
(vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
(vec_widen_smult_hi, vec_widen_smult_lo): New.
* doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
(VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
(VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
* config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
(UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
(UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
(UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
(vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
implement the unsigned unpacking patterns.
(vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
(vec_unpacks_lo_v8hi): New signed unpacking patterns.
(vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
(vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
(vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
(vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
(vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
(vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
multiplication patterns.
* target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
* target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
(TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
* config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
(rs6000_builtin_mul_widen_odd): New.
(TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
(TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
* tree-vectorizer.h (enum vect_relevant): New enum type.
(_stmt_vec_info): Field relevant chaned from bool to enum
vect_relevant.
(STMT_VINFO_RELEVANT_P): Updated.
(STMT_VINFO_RELEVANT): New.
* tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
instead of STMT_VINFO_RELEVANT_P.
* tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
and boolean variable with enum vect_relevant.
(vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
* doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
(TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2006-11-08 Richard Henderson <rth@redhat.com>
* config/i386/sse.md (vec_widen_umult_hi_v8hi,
vec_widen_umult_lo_v8hi): New.
(vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
* config/i386/i386.c (ix86_expand_sse_unpack): New.
* config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
* config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
vec_unpacks_lo_v4si): New.
2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
* tree-vect-transform.c (vectorizable_type_demotion): New function.
(vect_transform_stmt): Add case for type_demotion_vec_info_type.
(vect_analyze_operations): Call vectorizable_type_demotion.
* tree-vectorizer.h (type_demotion_vec_info_type): New enum
stmt_vec_info_type value.
(vectorizable_type_demotion): New function declaration.
* tree-vect-generic.c (expand_vector_operations_1): Consider correct
mode.
* tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
* expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
VEC_PACK_SAT_EXPR.
* tree-iniline.c (estimate_num_insns_1): Likewise.
* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
* optabs.c (optab_for_tree_code): Likewise.
* optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
compared against the predicate of the result is not 'mode' (the input
to the function) but a mode with half the size of 'mode'.
(init_optab): Initialize new optabs.
* optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
New optab indices.
(vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
optabs.
* genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
(vec_pack_usat_optab): Initialize new optabs.
* doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
* config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2006-11-08 Richard Henderson <rth@redehat.com>
* config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
(vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
(vec_interleave_highv8hi, vec_interleave_lowv8hi):
(vec_interleave_highv4si, vec_interleave_lowv4si):
(vec_interleave_highv2di, vec_interleave_lowv2di): New.
2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
* tree-vect-transform.c (vectorizable_reduction): Support multiple
datatypes.
(vect_transform_stmt): Removed redundant code.
2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
* tree-vect-transform.c (vectorizable_operation): Support multiple
datatypes.
2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
* tree-vect-transform.c (vect_align_data_ref): Removed.
(vect_create_data_ref_ptr): Added additional argument - ptr_incr.
Updated function documentation. Return the increment stmt in ptr_incr.
(bump_vector_ptr): New function.
(vect_get_vec_def_for_stmt_copy): New function.
(vect_finish_stmt_generation): Create a stmt_info to newly created
vector stmts.
(vect_setup_realignment): Call vect_create_data_ref_ptr with additional
argument.
(vectorizable_reduction, vectorizable_assignment): Not supported yet if
VF is greater than the number of elements that can fit in one vector
word.
(vectorizable_operation, vectorizable_condition): Likewise.
(vectorizable_store, vectorizable_load): Support the case that the VF
is greater than the number of elements that can fit in one vector word.
(vect_transform_loop): Don't fail in case of multiple data-types.
* tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
in case of multiple data-types; the smallest type determines the VF.
(vect_analyze_data_ref_dependence): Don't record datarefs as same_align
if they are of different sizes.
(vect_update_misalignment_for_peel): Compare misalignments in terms of
number of elements rather than number of bytes.
(vect_enhance_data_refs_alignment): Fix/Add dump printouts.
(vect_can_advance_ivs_p): Fix a dump printout
2006-11-07 Eric Christopher <echristo@apple.com>
* libgcc2.c (__bswapdi2): Rename from bswapDI2.
(__bswapsi2): Ditto.
* libgcc2.h: Remove transformation of bswap routines.
* config/i386/i386.md (bswapsi2): New.
(bswapdi2): Ditto.
2006-11-07 Jakub Jelinek <jakub@redhat.com>
* c-common.c (c_common_attributes): Add gnu_inline attribyte.
(handle_gnu_inline_attribute): New function.
* c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
(merge_decls, start_decl, start_function): Likewise.
* doc/extend.texi: Document gnu_inline attribute.
2006-11-07 Steve Ellcey <sje@cup.hp.com>
PR other/25028
* config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
_fixunstfdi, and _floatditf
2006-11-06 Anatoly Sokolov <aesok@post.ru>
* config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
prototype.
* config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
(output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
which start in an odd register.
2006-11-07 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2006-11-07 Josh Conner <jconner@apple.com>
* doc/invoke.texi (fstrict-aliasing): Move implementation
details...
* doc/tree-ssa.texi (Alias analysis): ...here.
2006-11-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/29610
* tree-cfgcleanup.c (cleanup_control_flow): Honor return value
of tree_purge_dead_eh_edges as it may free dominators.
* g++.dg/other/pr29610.C: New testcase.
2006-11-07 David Ung <davidu@mips.com>
* config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
costs when optimizing for size.
(override_options): Use mips_rtx_cost_optimize_size table for cost
calculations.
2006-11-07 Jie Zhang <jie.zhang@analog.com>
* gcc.c (process_command): Treat -b as normal switch if its argument
has no dash.
2006-11-07 David Ung <davidu@mips.com>
* config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
list.
2006-11-06 Eric Christopher <echristo@apple.com>
* config.gcc: Add x86_64-darwin host support.
* config.host: Ditto.
* config/i386/darwin64.h: New file.
* config/i386/t-darwin64: Ditto.
2006-11-06 Janis Johnson <janis187@us.ibm.com>
* gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
and output-exists-not.
2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/29439
* tree-vrp.c (vrp_int_const_binop): Use the correct tree when
checking for overflow.
2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
* configure.ac: Fixed typo in case statement: :: changed to ;;
2006-11-06 Bob Wilson <bob.wilson@acm.org>
* longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
count_leading_zeros, and count_trailing_zeros.
* config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
(TARGET_FOLD_BUILTIN): Define.
(TARGET_EXPAND_BUILTIN): Define.
(xtensa_init_builtins): New.
(xtensa_fold_builtin): New.
(xtensa_expand_builtin): New.
(xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
* config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
(CLZ_DEFINED_VALUE_AT_ZERO): Define.
(CTZ_DEFINED_VALUE_AT_ZERO): Define.
* config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
(any_extend): New code macro.
(u, su): New code attributes.
(<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
(nsau): Remove; replaced by clzsi2.
(ffssi2): Use clzsi2.
* config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
_clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
* config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
(__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
(__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
* config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
set inhibit_libc.
* config/arm/t-strongarm-elf: Likewise.
* config/arm/t-pe: Likewise.
* config/arm/t-arm-elf: Likewise.
* config/arm/t-xscale-elf: Likewise.
* config/arm/t-arm-coff: Likewise.
* config/arm/t-xscale-coff: Likewise.
* config/arm/t-wince-pe: Likewise.
2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/lib1funcs-4-300.asm: Guard entire file with
#if !__SHMEDIA__ .
2006-11-05 Jakub Jelinek <jakub@redhat.com>
PR middle-end/29695
* fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
simplification.
2006-11-04 Uros Bizjak <ubizjak@gmail.com>
PR target/26915
* config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
as a valid 80387 constant.
(standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
* config/i386/i386.md (unnamed splitter): Split the load of
constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
by negation.
2006-11-04 Richard Earnshaw <rearnsha@arm.com>
* arm.c (thumb_legitimate_addres_p): Allow any constant offset
from the soft-frame, argument and virtual registers.
2006-11-04 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
patterns for standard 80387 constants.
2006-11-03 Paolo Bonzini <bonzini@gnu.org>
Steven Bosscher <steven@gcc.gnu.org>
* fwprop.c: New file.
* Makefile.in: Add fwprop.o.
* tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
* passes.c (init_optimization_passes): Schedule forward propagation.
* rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
parameter.
* timevar.def (TV_FWPROP): New.
* common.opt (-fforward-propagate): New.
* opts.c (decode_options): Enable forward propagation at -O2.
* gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
* cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
canon_for_address, table_size): Remove.
(new_basic_block, insert, remove_from_table): Remove references to
table_size.
(fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
simplification loop more straightforward by not calling fold_rtx
recursively.
(equiv_constant): Move here a small part of fold_rtx_subreg,
do not call fold_rtx. Call avoid_constant_pool_reference
to process MEMs.
* recog.h (canonicalize_change_group): New.
* doc/invoke.texi (Optimization Options): Document fwprop.
* doc/passes.texi (RTL passes): Document fwprop.
2006-11-03 Geoffrey Keating <geoffk@apple.com>
* c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
(merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
(grokdeclarator): Likewise.
2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
* tree-dump.c (dump_enable_all): Rename local variable
ir_type to avoid name conflicts.
* cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
instead of using ir_type().
* profile.c (tree_register_profile_hooks): Likewise.
* value-prof.c (tree_register_value_prof_hooks): Likewise.
* basic-block.h (struct edge_def): Likewise.
* config/arm/arm.c (legitimize_pic_address): Likewise.
* coretypes.h (ir_type): New enum of all intermediate languages
used in GCC.
* cfghooks.c (ir_type): Rename to...
(current_ir_type): ...this. Distinguish between cfgrtl and
cfglayout mode when the current IR is RTL. Return enum ir_type.
* cfghooks.h (ir_type): Replace with current_ir_type prototype.
2006-11-03 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (arm_file_start): New function.
(TARGET_ASM_FILE_START): Define.
(arm_default_cpu): New variable.
(arm_override_options): Set arm_default_cpu.
2006-11-03 David Ung <davidu@mips.com>
* config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
PROCESSOR_24KC and PROCESSOR_24KF.
* config/mips/mips.c (mips_cpu_info_table): Add processor names
and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
(mips_rtx_cost_data): Add costs for the 24kc.
* config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
* config/mips/24k.md: Remove references to 24k and replace with
uses of 24kc/24kf in the appropriate reservations.
* doc/invoke.texi (MIPS Options): Updated.
2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
* config/sh/crt1.asm: Fix #ifdef indent.
2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
Merged from STMicroelectronics sources:
2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
* config/sh/crt1.asm (vbr_600): Add missing #if.
2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
* sh.opt (mfused-madd): New option.
* sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
* config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
Remove pointless handler at VBR+0.
(vbr_200, vbr_300, vbr_500): Remove pointless handler.
(vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
fr7. Make sure the timer handler is called with the correct FPU
precision setting, according to the ABI.
2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
* config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
* config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
(SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
* sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
zero as second operand.
2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
* config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
Fixed some bugs related to negative values, in particular -0
and overflow at -0x80000000.
* config/sh/divcost-analysis: Added sh4-300 figures.
2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
* config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
* config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
* config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
New files.
* config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
-m4-340.
2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
SH4-300 scheduling description & fixes to SH4-[12]00 description:
* sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
mac_mem, mem_mac, dfp_mul, fp_cmp.
(insn_class, dfp_comp, any_fp_comp): Update.
(push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
(cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
(muldf3_i): Likewise.
(movsi_i): Split rI08 alternative into two separate alternatives.
Update type.
(movsi_ie, movsi_i_lowpart): Likewise.
(movqi_i): Split ri alternative into two separate alternatives.
Update type.
* sh1.md (sh1_load_store, sh1_fp): Update.
* sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
(mac_mem, sh4_fpscr_toggle): New insn_reservations.
* sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
(sh4a_fp_double_arith): Likewise.
* sh4-300.md: New file.
* sh.c (sh_handle_option): Handle m4-300* options.
(sh_adjust_cost): Fix latency of auto-increments.
Handle SH4-300 differently than other SH4s. Check for new insn types.
* sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
been set by an option.
* sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
(m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
(mbranch-cost=): Likewise.
* superh.h (STARTFILE_SPEC): Take -m4-340 into account.
* sh.md (mulsf3): Remove special expansion code.
(mulsf3_ie): Now a define_insn_and_split.
(macsf3): Allow for TARGET_SH4.
* sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
* sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
(expand_cbranchdi4): Likewise.
(sh_rtx_costs): Give lower cost for certain CONST_INT values and for
CONST_DOUBLE if the outer code is COMPARE.
* sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
(OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
(LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
Remove redundant fp_{zero,one}_operand checks.
* sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
* sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
(expand_cbranchdi4): Likewise.
2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
* sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
* doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
constraints.
2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
* doc/invoke.texi: Fix mfp-trap-mode typo.
2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
* config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
* arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
file_end_indicate_exec_stack.
* arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
Define as 0.
* lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
for a non-executable stack.
* crti.asm: Likewise.
* crtn.asm: Likewise.
* libunwind.S: Likewise.
2006-11-02 Ben Elliston <bje@au.ibm.com>
* tree-ssa.c (warn_uninit): Use expand_location variables for
locus and declaration locus.
2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
PR target/27405
* config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
(cmpsi{eq,gt,gtu}{si,di}_media): Rename to
cmp{eq,gt,gtu}{si,di}_media.
(*cmpne0si_media): Remove.
(*movsicc_umin): Adjust gen_cmp*_media call.
(unordered): Change the mode of unordered and operands[1] to
SImode.
(seq): Adjust gen_cmp*_media calls. Make the mode of
a temporary result of compare SImode if needed. If the mode
of operands[0] is DImode, extend the temporary result to DImode.
(slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
(sunorderd): Change the mode of match_operand and unorderd to
SImode.
(cmpeq{sf,df}_media): Remove.
(cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
(cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
and compare operation to SImode.
2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
* doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
instructions.
(sparc64-sun-solaris2*): Likewise.
2006-11-02 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
from priority argument. Use different section for non-default
priority.
* config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
PR other/29639
* except.c (switch_to_exception_section): Do not cache the section
if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
and flag_function_sections is set.
2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR middle-end/29335
* builtins.c (do_mpfr_sincos): New.
(fold_builtin_1): Use it to fold builtin sincos.
2006-11-01 Roger Sayle <roger@eyesopen.com>
* config/darwin.h (CPP_SPEC): Handle -pthread, transforming
it into -D_REENTRANT.
2006-11-01 Roger Sayle <roger@eyesopen.com>
* configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
whether the assembler supports taking the difference of symbols in
different sections. On x86/Solaris, GAS does but Solaris as doesn't.
* configure: Regenerate.
* config.in: Regenerate.
* config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
the assembler doesn't support taking the difference of symbols in
different sections, i.e. we're using the native solaris assembler.
2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
Peter Bergner <bergner@vnet.ibm.com>
* doc/invoke.texi: Add cpu_type power6x
(RS/6000 and PowerPC Options): Add -mmfpgpr.
* config.gcc: Add cpu_type power6x.
* configure.ac: Add test for mf{t,f}gpr instructions.
(HAVE_AS_MFPGPR): New.
* config.in: Regenerate.
* configure: Regenerate.
* config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
* config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
and mftgpr attributes.
(define_attr "cpu"): Add power6.
Change instruction sequences to use new attributes.
(floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
(fix_truncdfsi2_mfpgpr): New.
(floatsidf_ppc64_mfpgpr): New.
(floatsidf_ppc64): Added !TARGET_MFPGPR condition.
(movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
(movdf_hardfloat64): Added !TARGET_MFPGPR condition.
(movdi_internal64): Added !TARGET_MFPGPR and related conditions.
(fix_truncdfsi2): Use gpc_reg_operand constraint.
* config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
Add descriptions for insert_dword, shift,trap,var_shift_rotate,
cntlz,exts and var_delayed_compare.
* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
_ARCH_PWR6X, if features enabled.
* config/rs6000/rs6000.opt (mmfpgpr): New.
* config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
(cached_can_issue_more): New variable.
(processor_costs): Add power6_cost.
(rs6000_sched_init): New function.
(is_dispatch_slot_restricted): Deleted.
(set_to_load_agen): New function.
(is_load_insn,is_store_insn): New functions.
(adjacent_mem_locations): New function.
(insn_must_be_first_in_group): New function.
(insn_must_be_last_in_group): New function.
(rs6000_sched_reorder): New function.
(rs6000_sched_reorder2): New function.
(TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
TARGET_SCHED_REORDER2): Define.
(processor_target_table): Use PROCESSOR_POWER6 for power6.
Add power6x. Add MASK_MFPGPR for power6x.
(POWERPC_MASKS): Add MASK_MFPGPR.
(rs6000_override_options): Set rs6000_always_hint to false
for power6. Set rs6000_align_branch_targets. Replace
rs6000_sched_groups check with rs6000_align_branch_targets.
Use PROCESSOR_POWER6.
(last_scheduled_insn): New variable.
(load_store_pendulum): New variable.
(rs6000_variable_issue): Set last_scheduled_insn and
cached_can_issue_more.
(rs6000_adjust_cost): Add power6 cost adjustments.
(rs6000_adjust_priority): Replace is_dispatch_slot_restricted
with insn_must_be_first_in_group. Add power6 priority adjustments.
(rs6000_issue_rate): Add CPU_POWER6.
(insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
* config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
(TARGET_MFPGPR): New.
(SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
(ASM_CPU_SPEC): Add power6x.
(SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
conditions.
* config/rs6000/power6.md: New file.
2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
* tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
HOST_WIDE_INT_PRINT to print high and low parts. Use
HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
printing a hexadecimal number prefix it with 0x.
2006-11-01 Chris Johns <chris@contemporary.net.au>
PR bootstrap/28400
* Makefile.in (install-driver): Use exeext when installing
$target-gcc-$version.
2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
* c-common.c (flag_cpp0x): New.
* c-common.h (flag_cpp0x): New.
* c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
supported, define __GXX_EXPERIMENTAL_CPP0X__.
* c-opts.c (set_std_cxx0x): New.
(c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
* c.opt (std=c++0x): Document.
(std=gnu++0x): Ditto.
* doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
* doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2006-11-01 Richard Guenther <rguenther@suse.de>
* config/i386/i386.c (ix86_expand_rint): Fix issues with
signed zeros.
(ix86_expand_floorceildf_32): Likewise.
(ix86_expand_floorceil): Likewise.
(ix86_expand_trunc): Likewise.
2006-10-31 Andrew Pinski <pinskia@gmail.com>
* doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
to "GNU C89".
2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
* target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
hook.
* target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
default.
* config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
Override default.
* doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
* configure.ac (use_cxa_atexit): As a special case, don't test
for libc definition of __cxa_atexit on mingw32
* configure: Regenerate.
* config.gcc (i[34567]86-pc-mingw32): Default to
enable__cxa_atexit=yes.
2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2006-10-31 Geoffrey Keating <geoffk@apple.com>
PR 23067
* c-decl.c (start_struct): Don't create self-containing
structures.
* config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
New.
* config/rs6000/rs6000-protos.h
(darwin_rs6000_special_round_type_align): New.
* config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
(ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2006-10-31 Geoffrey Keating <geoffk@apple.com>
* toplev.c (compile_file): Call final_write_globals
even if there have been errors.
2006-10-31 Eric Christopher <echristo@apple.com>
Falk Hueffner <falk@debian.org>
* doc/extend.texi (__builtin_bswap32): Document.
(__builtin_bswap64): Ditto.
* doc/libgcc.texi (bswapsi2): Document.
(bswapdi2): Ditto.
* doc/rtl.texi (bswap): Document.
* optabs.c (expand_unop): Don't widen a bswap.
(init_optabs): Init bswap. Set libfuncs explicitly
for bswapsi2 and bswapdi2.
* optabs.h (OTI_bswap): New.
(bswap_optab): Ditto.
* genopinit.c (optabs): Handle bswap_optab.
* tree.h (tree_index): Add TI_UINT32_TYPE and
TI_UINT64_TYPE.
(uint32_type_node): New.
(uint64_type_node): Ditto.
* tree.c (build_common_tree_nodes_2): Initialize
uint32_type_node and uint64_type_node.
* builtins.c (expand_builtin_bswap): New.
(expand_builtin): Call.
(fold_builtin_bswap): New.
(fold_builtin_1): Call.
* fold-const.c (tree_expr_nonnegative_p): Return true
for bswap.
* builtin-types.def (BT_UINT32): New.
(BT_UINT64): Ditto.
(BT_FN_UINT32_UINT32): Ditto.
(BT_FN_UINT64_UINT64): Ditto.
* builtins.def (BUILT_IN_BSWAP32): New.
(BUILT_IN_BSWAP64): Ditto.
* rtl.def (BSWAP): New.
* genattrtab.c (check_attr_value): New.
* libgcc2.c (__bswapSI2): New.
(__bswapDI2): Ditto.
* libgcc2.h (__bswapSI2): Declare.
(__bswapDI2): Ditto.
* mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
* simplify-rtx.c (simplify_const_unary_operation): Return
0 for BSWAP.
* libgcc-std.ver (__bwapsi2): Add.
(__bswapdi2): Ditto.
* reload1.c (eliminate_regs_1): Add bswap.
(elimination_effects): Ditto.
* config/i386/i386.h (x86_bswap): New.
(TARGET_BSWAP): Use.
* config/i386/i386.c (x86_bswap): Set.
2006-10-31 Geoffrey Keating <geoffk@apple.com>
* coverage.c (coverage_checksum_string): Update comment.
* dwarf2out.c (switch_to_eh_frame_section): Update for removal
of get_file_function_name.
* cgraphunit.c (cgraph_build_static_cdtor): Update for rename
of get_file_function_name_long.
* tree.c (get_file_function_name): Rename from
get_file_function_name_long; improve comment; handle 'I' and 'D'
specially when the target has ctor/dtor support; remove special
handling for 'F'.
(get_file_function_name): Remove.
* tree.h (get_file_function_name): Rename from
get_file_function_name_long.
(get_file_function_name): Remove prototype.
2006-10-31 Geoffrey Keating <geoffk@apple.com>
* config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
* config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
* config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
Call dsymutil when compiling and linking one or more source files
in one step.
2006-10-31 Geoffrey Keating <geoffk@apple.com>
PR 15834
* config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2006-10-31 Geoffrey Keating <geoffk@apple.com>
* c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
inline static functions in c99 mode.
PR 16622
* doc/extend.texi (Inline): Update.
* c-tree.h (struct language_function): Remove field 'extern_inline'.
* c-decl.c (current_extern_inline): Delete.
(pop_scope): Adjust test for an undefined nested function.
Add warning about undeclared inline function.
(diagnose_mismatched_decls): Update comments. Disallow overriding
of inline functions in a translation unit in C99. Allow inline
declarations in C99 at any time.
(merge_decls): Boolize variables. Handle C99 'extern inline'
semantics.
(grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
C99 inline semantics.
(start_function): Don't clear current_extern_inline. Don't set
DECL_EXTERNAL.
(c_push_function_context): Don't push current_extern_inline.
(c_pop_function_context): Don't restore current_extern_inline.
PR 11377
* c-typeck.c (build_external_ref): Warn about static variables
used in extern inline functions.
* c-decl.c (start_decl): Warn about static variables declared
in extern inline functions.
2006-10-31 Roger Sayle <roger@eyesopen.com>
PR middle-end/23470
* tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
* fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
or y is an even integer.
2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
PR target/24071
* gthr-posix.h (__gthread_active_p): New implementation on Solaris.
* gthr-posix95.h (__gthread_active_p): Likewise.
2006-10-31 Richard Guenther <rguenther@suse.de>
* config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
!optimize_size.
2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
* opts.c (decode_options): Disable CSE skip blocks.
2006-10-30 Dirk Mueller <dmueller@suse.de>
* c-common.h (strict_aliasing_warning): Fix whitespace.
* c-decl (start_function): Move code for main decl warning ..
* c-common.c (check_main_parameter_types): .. here.
* c-common.h (check_main_parameter_types): Declare.
2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR middle-end/29335
* builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
* recog.c (store_data_bypass_p): Add support to allow IN_INSN to
be a PARALLEL containing sets. Return false when out_pat is not
a PARALLEL insn.
2006-10-30 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.md (mul<mode>3): Split into...
(mulsi3, muldi3): ...these separate patterns.
2006-10-30 Richard Sandiford <richard@codesourcery.com>
* config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
but with each set of options separated by spaces.
2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
* unwind-dw2.c (uw_init_context_1): Fix test that checks if
dwarf_reg_size_table has been initialized.
2006-10-30 Roger Sayle <roger@eyesopen.com>
* builtins.c (expand_builtin_mathfn_3): Correct coding style.
* ddg.c (print_ddg_edge): Likewise.
* dwarf2out.c (prune_unused_types_walk): Likewise.
* ifcvt.c (noce_try_cmove_arith): Likewise.
* langhooks.c (add_builtin_function): Likewise.
* reg-stack.c (subst_stack_regs_pat): Likewise.
* tree.c (expanded_location): Likewise.
* tree-dump.c (dequeue_and_dump): Likewise.
2006-10-30 David Daney <ddaney@avtrex.com>
* config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2006-10-30 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/29637
* tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
of the innertype is the innertype itself.
2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
* dwarf2out.c (file_name_acquire): Correct typo.
2006-10-29 Daniel Berlin <dberlin@dberlin.org>
* tree.h (tree_value_handle): Remove struct value_set declaration.
Change value_set to bitmap_set.
* tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
* tree-vn.c (get_value_handle): Made inline and moved to
tree-flow-inline.h.
* tree-flow-inline.h: (has_stmt_ann): New function.
* tree-ssa-pre.c (expressions): New variable.
(next_expression_id): Ditto.
(alloc_expression_id): New function.
(struct value_set): Remove.
(get_expression_id): New function.
(get_or_alloc_expression_id): Ditto.
(expression_for_id): Ditto.
(clear_expression_ids): Ditto.
(FOR_EACH_EXPR_ID_IN_SET): New macro.
(bb_value_sets): Renamed to bb_bitmap_sets.
All value sets replaced with bitmap_sets.
Add visited member.
(BB_VISITED): New macro.
(postorder): New variable.
(add_to_value): Removed.
(value_exists_in_set_bitmap): Ditto.
(value_insert_into_set_bitmap): Ditto.
(set_new): Ditto.
(set_copy): Ditto.
(set_remove): Ditto.
(set_contains_value): Ditto.
(insert_into_set): Ditto.
(set_equal): Ditto.
(find_leader): Ditto.
(bitmap_set_subtract_from_value_set): Ditto.
(value_insert_into_set): Ditto.
(print_value_set): Ditto.
(debug_value_set): Ditto.
(constant_expr_p): New function.
(bitmap_remove_from_set): Ditto.
(bitmap_insert_into_set): Ditto.
(bitmap_set_free): Ditto.
(vh_compare): Ditto.
(sorted_array_from_bitmap_set): Ditto.
(bitmap_set_subtract): Ditto.
(bitmap_set_equal): Ditto.
(debug_bitmap_set): Ditto.
(find_leader_in_sets): Ditto.
(bitmap_set_replace_value): Modify for bitmapped sets.
(phi_translate): Ditto.
(phi_translate_set): Ditto.
(bitmap_find_leader): Ditto.
(valid_in_sets): Ditto.
(union_contains_value): Ditto.
(clean): Ditto.
(compute_antic_aux): Ditto. Mark changed blocks.
(compute_antic): Ditto. Iterate in postorder and only over
changing blocks.
(compute_rvuse_and_antic_safe): Reuse postorder.
(create_component_ref_by_pieces): Modify for bitmapped sets.
(find_or_generate_expression): Ditto.
(create_expression_by_pieces): Ditto.
(insert_into_preds_of_block): Ditto.
(changed_blocks): New variable.
(do_regular_insertion): Broken out from insert_aux.
(insert_aux): Modified for bitmapped sets.
(find_existing_value_expr): New function.
(create_value_expr_from): Use it.
(insert_extra_phis): Removed.
(print_bitmap_set): Renamed from bitmap_print_value_set.
(compute_avail): Handle RETURN_EXPR.
(init_pre): Modify for bitmapped sets.
* tree-flow.h (has_stmt_ann): New function.
2006-10-29 Roger Sayle <roger@eyesopen.com>
* builtins.c (fold_builtin_floor): Check for the availability of
the C99 trunc function before transforming floor into trunc.
2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* builtins.c (fold_builtin_hypot): Rearrange recursive
transformation before others, and also do ABS_EXPR. When
necessary, check flag_unsafe_math_optimizations. When necessary,
add fabs.
2006-10-29 Roger Sayle <roger@eyesopen.com>
* fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
Fold ~X op C as X op' ~C, where op' is the swapped comparison.
(fold_binary): ~X eq/ne C is now handled in fold_comparison.
Fold -X eq/ne -Y as X eq/ne Y.
2006-10-29 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
rather than GENERATE_MULT3_SI in the various define_peephole2s.
(mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
Use an inclusive test for "mult" rather than "mul".
(rotr<mode>3): Depend on ISA_HAS_ROR.
* config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
ISA_HAS_MUL3.
(GENERATE_MULT3_DI): Delete.
(ISA_HAS_64BIT_REGS): Use consistent formatting.
(ISA_HAS_MUL3): New macro.
(ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
(ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
(ISA_HAS_CLZ_CLO): Likewise.
(ISA_HAS_DCLZ_DCLO): Delete.
(ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
(ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
the VR4120 and VR4130.
(ISA_HAS_MACCHI): Use consistent formatting.
(ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
(ISA_HAS_ROR): ...this new macro.
(ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
(ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
(ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2006-10-29 Roger Sayle <roger@eyesopen.com>
PR tree-optimization/15458
* fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
is a constant.
2006-10-29 Richard Guenther <rguenther@suse.de>
* config/i386/i386-protos.h (ix86_expand_trunc): Declare.
(ix86_expand_truncdf_32): Likewise.
* config/i386/i386.c (ix86_expand_trunc): New function expanding
trunc inline for SSE math and -fno-trapping-math and if not
optimizing for size.
(ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
* config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
for expanding btrunc inline for SSE math.
2006-10-29 Joseph Myers <joseph@codesourcery.com>
* config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
Handle tuning for bi-arch i[34567]86-*-linux* like that for
i[34567]86-*-solaris2.1[0-9]*.
* config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
Define conditionally depending on TARGET_64BIT_DEFAULT.
(SPEC_32, SPEC_64): Define.
(LINK_SPEC): Use them.
* doc/install.texi (--enable-targets=all): Document for x86-linux.
2006-10-29 Richard Guenther <rguenther@suse.de>
* config/i386/i386-protos.h (ix86_expand_round): Declare.
(ix86_expand_rounddf_32): Likewise.
* config/i386/i386.c (ix86_expand_round): New function expanding
round inline for SSE math and -fno-trapping-math and if not
optimizing for size.
(ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
* config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
round via ix86_expand_round.
2006-10-29 Richard Guenther <rguenther@suse.de>
* config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
(ix86_expand_floorceildf_32): Likewise.
* config/i386/i386.c (ix86_expand_sse_compare_mask): New
static helper function.
(ix86_expand_floorceil): Expander for floor and ceil to SSE
math.
(ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
* config/i386/i386.md (floordf2): Adjust to enable floor
expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
-fno-trapping-math is enabled and if not optimizing for size.
(floorsf2, ceildf2, ceilsf2): Likewise.
* config/i386/sse.md (sse_maskcmpsf3): New insn.
(sse2_maskcmpdf3): Likewise.
2006-10-29 Richard Guenther <rguenther@suse.de>
* builtins.c (expand_builtin_mathfn): Expand nearbyint as
rint in case -fno-trapping-math is enabled.
* config/i386/i386-protos.h (ix86_expand_rint): Declare.
* config/i386/i386.c (ix86_gen_TWO52): New static helper function.
(ix86_expand_sse_fabs): Likewise.
(ix86_expand_rint): New function expanding rint to x87 or SSE math.
* config/i386/i386.md (rintdf2): Enable for SSE math if
-fno-trapping-math is enabled, use ix86_expand_rint for expansion.
(rintsf2): Likewise.
2006-10-29 Richard Guenther <rguenther@suse.de>
* genopinit.c (optabs): Change lfloor_optab and lceil_optab
to conversion optabs.
* optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
as conversion optab.
* optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
(enum convert_optab_index): Add COI_lfloor and COI_lceil.
(lfloor_optab, lceil_optab): Adjust defines.
* builtins.c (expand_builtin_int_roundingfn): Adjust for
lfloor and lceil optabs now being conversion optabs.
* config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
* config/i386/i386.c (ix86_expand_sse_compare_and_jump):
New static helper function.
(ix86_expand_lfloorceil): New function to expand lfloor and
lceil inline.
* config/i386/i386.md (lfloor<mode>2): Split into ...
(lfloorxf<mode>2): ... x87 variant
(lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
using ix86_expand_lfloorceil.
(lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
Likewise.
* doc/md.texi (lfloorMN, lceilMN): Document.
2006-10-29 Richard Sandiford <richard@codesourcery.com>
* configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
-mno-shared assembler option on mips targets.
* configure, config.in: Regenerate.
* config/mips/linux.h (NO_SHARED_SPECS): New macro.
(DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
* config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2006-10-29 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2006-10-29 Kazu Hirata <kazu@codesourcery.com>
* config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
comment typos.
2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR middle-end/29335
* builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
(fold_builtin_pow): Evaluate constant arguments at compile-time
using MPFR.
(fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
(do_mpfr_ckconv): New helper function.
(do_mpfr_arg1): Use do_mpfr_ckconv.
(do_mpfr_arg2): New.
2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/29271
* doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
(-fdump-rtl-sched): Rename to ..
(-fdump-rtl-sched1): here. Also fix file extension number.
2006-10-28 Richard Guenther <rguenther@suse.de>
* fold-const.c (maybe_canonicalize_comparison): Fix code
to match comment.
2006-10-28 Uros Bizjak <uros@kss-loka.si>
* config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
(NON_QI_REG_P): Use IN_RANGE.
(REX_INT_REGNO_P): Use IN_RANGE.
(FP_REGNO_P): Use IN_RANGE.
(SSE_REGNO_P): Use IN_RANGE.
(REX_SSE_REGNO_P): Use IN_RANGE.
(MMX_REGNO_P): Use IN_RANGE.
(STACK_REGNO_P): New macro.
(STACK_REG_P): Use STACK_REGNO_P.
(NON_STACK_REG_P): Use STACK_REGNO_P.
(REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
(REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
(REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
(REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
(HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
* except.h (output_function_exception_table): Add 'const char*' param.
* except.c (switch_to_exception_section): Add 'const char*' param.
If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
and flag_function_sections is set, use a function-specific section.
(output_function_exception_table): Add 'const char*' param.
Adjust call to switch_to_exception_section.
* final.c (rest_of_handle_final): Adjust calls to
output_function_exception_table.
* configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
* config.in: Regenerate.
* configure: Likewise.
2006-10-28 Richard Guenther <rguenther@suse.de>
PR middle-end/26899
* fold-const.c (maybe_canonicalize_comparison_1): Helper
for maybe_canonicalize_comparison.
(maybe_canonicalize_comparison): New function for canonicalizing
comparison trees.
(fold_comparison): Call it to canonicalize comparisons with
constants involved.
2006-10-28 Richard Guenther <rguenther@suse.de>
PR target/28806
* builtins.c (expand_builtin_int_roundingfn_2): Expand
BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
(expand_builtin): Adjust likewise.
* genopinit.c (optabs[]): Add lround optab.
* optabs.c (init_optabs): Initialize lround_optab.
* optabs.h (enum convert_optab_index): Add COI_lround.
(lround_optab): Define.
* config/i386/i386-protos.h (ix86_expand_lround): Declare.
* config/i386/i386.c (ix86_sse_copysign_to_positive): New
static function.
(ix86_expand_lround): New function.
* config/i386/i386.md (lround<mode>di2, lround<mode>si2):
New expanders.
* doc/md.texi (lroundMN2): Document.
2006-10-28 Uros Bizjak <uros@kss-loka.si>
PR target/29377
* config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
argument to HOST_WIDE_INT. Update function prototype.
(round_frame_size): Change return type to HOST_WIDE_INT. Change
"size" argument to HOST_WIDE_INT. Update function prototype.
2006-10-28 Uros Bizjak <uros@kss-loka.si>
* config/i386/i386.c (output_387_ffreep): Create output from a
template string for !HAVE_AS_IX86_FFREEP.
2006-10-27 Eric Christopher <echristo@apple.com>
* config/darwin.c: Fix formatting and grammar.
2006-10-27 Jan Hubicka <jh@suse.cz>
* builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
to be thrown away soon when IGNORE is set.
* tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
indicating when return value shall not be computed.
* gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
* config/i386/i386.h (TARGET_GEODE):
(TARGET_CPU_CPP_BUILTINS): Add code for geode.
(TARGET_CPU_DEFAULT_geode): New macro.
(TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
the macro values.
(TARGET_CPU_DEFAULT_NAMES): Add geode.
(processor_type): Add PROCESSOR_GEODE.
* config/i386/i386.md: Include geode.md.
(cpu): Add geode.
* config/i386/i386.c (geode_cost): New initialized global
variable.
(m_GEODE, m_K6_GEODE): New macros.
(x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
x86_schedule): Use m_K6_GEODE instead of m_K6.
(x86_movx, x86_cmove): Set up m_GEODE.
(x86_integer_DFmode_moves): Clear m_GEODE.
(processor_target_table): Add entry for geode.
(processor_alias_table): Ditto.
* config/i386/geode.md: New file.
* doc/invoke.texi: Add entry about geode processor.
2006-10-27 Mike Stump <mrs@apple.com>
* config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
__DYNAMIC__ from here back to ...
* config/darwin.h (CPP_SPEC): ... here.
2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
Nathan Sidwell <nathan@codesourcery.com>
* ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
when choosing the minimum heapsize.
2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
* gcc/unwind-dw2.h: Move cfa-related variables into
struct frame_state_reg_info to ensure that the CFA is properly
handled when executing DW_CFA_{remember,restore}_state.
* gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
gcc/config/rs6000/linux-unwind.h,
gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
Modify to use new cfa_* fields.
2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.c (s390_init_frame_layout): Check positive
frame_size.
2006-10-26 Ben Elliston <bje@au.ibm.com>
* gimplify.c (get_name): Remove extraneous break.
(gimplify_omp_for): Initialise ret with GS_OK.
2006-10-25 Steve Ellcey <sje@cup.hp.com>
* config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
Add unix98.o to link line.
2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR middle-end/29335
* builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
Calculate compile-time constants using MPFR.
(fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
2006-10-25 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/lib2funcs.S: Use C-style comments.
2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
* dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
(file_table_relative_p): Likewise.
(dwarf2out_finish): Likewise.
(file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
2006-10-25 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-structalias.c (intra_create_variable_infos):
Don't recreate nonlocal_all if it already exists.
2006-10-25 Richard Guenther <rguenther@suse.de>
PR target/28803
* optabs.h (enum optab_index): Remove OTI_lrint.
(enum convert_optab_index): Add COI_lrint.
(lrint_optab): Adjust.
(expand_sfix_optab): Declare.
* optabs.c (expand_sfix_optab): New function.
(init_optabs): Init lrint_optab as conversion optab.
* genopinit.c (lrint_optab): Change to a conversion optab.
* builtins.c (expand_builtin_int_roundingfn_2): Adjust to
expansion via conversion optab.
* config/i386/i386.md (*fistdi2_1): Remove
flag_unsafe_math_optimizations guard.
(fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
fist<mode>2_with_temp): Likewise.
(lrint<mode>2): Split into...
(lrintxf<mode>2): ... x87 part
(lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
* config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
UNSPEC_FIX_NOTRUNC matching non-vector float modes.
* doc/md.texi (lrintMN2): Document.
2006-10-25 Uros Bizjak <uros@kss-loka.si>
PR target/28909
* config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
Use inc and dec instructions for TARGET_USE_INCDEC.
("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
("sync_double_compare_and_swap<mode>"): Likewise.
("*sync_double_compare_and_swapdi_pic"): Likewise.
("*sync_compare_and_swap_cc<mode>"): Likewise.
("sync_double_compare_and_swap_cc<mode>"): Likewise.
("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
("sync_old_add<mode>"): Likewise.
("sync_lock_test_and_set<mode>"): Likewise.
("sync_lock_test_and_set<mode>"): Likewise.
("sync_add<mode>"): Likewise.
("sync_sub<mode>"): Likewise.
("sync_ior<mode>"): Likewise.
("sync_and<mode>"): Likewise.
("sync_xor<mode>"): Likewise.
2006-10-25 Uros Bizjak <uros@kss-loka.si>
* optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
(remainder_optab): Define corresponding macro.
(drem_optab): Remove.
* optabs.c (init_optabs): Initialize remainder_optab. Remove
drem_optab initialization.
* genopinit.c (optabs): Implement remainder_optab using
remainder?f3 patterns. Remove drem_optab.
* builtins.c (expand_builtin_mathfn_2): Handle
BUILT_IN_REMAINDER{,F,L} using remainder_optab.
(expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
expand_builtin_mathfn_2.
(expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
depend on flag_unsafe_math_optimizations.
* config/i386/i386.md ("remaindersf3", "remainderdf3")
("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
Do not depend on flag_unsafe_math_optimizations. Use
truncxf?f expander instead of truncxf?f_i387_noop.
("fpremxf4", "fprem1xf4"): Do not depend on
flag_unsafe_math_optimizations.
("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
flag_unsafe_math_optimizations. Use truncxf?f expander
instead of truncxf?f_i387_noop.
* doc/md.texi (fmod, remainder): Document standard named pattern.
2006-10-24 Richard Sandiford <richard@codesourcery.com>
David Daney <ddaney@avtrex.com>
PR middle-end/29519
* rtlanal.c (nonzero_address_p): Remove check for values wrapping.
2006-10-25 Ben Elliston <bje@au.ibm.com>
* doc/extend.texi (Variable Attributes): Typo fix.
2006-10-24 Uros Bizjak <uros@kss-loka.si>
* config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
(FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
(REG_ALLOC_ORDER): Add one element to allocate fpcr register.
(FRAME_POINTER_REGNUM): Update register number to 21.
(REG_CLASS_CONTENTS): Update contents for added fpcr register.
(HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
* config/i386/i386.c (regclass_map): Add fpcr entry.
(dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
Add fpcr entry.
(print_reg): Assert REGNO (x) != FPCR_REG.
* config/i386/i386.md (FPCR_REG, R11_REG): New constants.
(DIRFLAG_REG): Renumber.
(x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
(*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
(sse_prologue_save, *sse_prologue_save_insn): Renumber
hardcoded SSE register numbers.
* config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
hardcoded MMX register numbers.
2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR middle-end/29335
* builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
(do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
Update all callers.
(BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
(BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
2006-10-24 Richard Guenther <rguenther@suse.de>
PR middle-end/28796
* builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
for deciding optimizations in consistency with fold-const.c
(fold_builtin_unordered_cmp): Likewise.
2006-10-24 Richard Guenther <rguenther@suse.de>
* builtins.c (fold_builtin_floor): Fold floor (x) where
x is nonnegative to trunc (x).
(fold_builtin_int_roundingfn): Fold lfloor (x) where x is
nonnegative to FIX_TRUNC_EXPR.
2006-10-24 Richard Guenther <rguenther@suse.de>
PR tree-optimization/29567
* tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
for TRUTH_NOT_EXPR. Clarify comments.
2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR middle-end/29335
* builtins.c (fold_builtin_exponent): Evaluate constant arguments
at compile-time using MPFR. Change parameter VALUE to FUNC,
update all callers.
(do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
for overflow and underflow at all times and avoid folding in
those cases.
2006-10-24 Ben Elliston <bje@au.ibm.com>
* reload1.c: Formatting fixes.
2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/14784
* tree-flow.h (struct var_ann_d): Add is_heapvar bit.
* tree-ssa-structalias.c (get_constraint_for,
intra_create_variable_infos): Set is_heapvar.
* tree-ssa-operands.c (access_can_touch_variable): Do not handle
non-heapvar pointer variables specially.
2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR middle-end/29335
* builtins.c (fold_builtin_sin, fold_builtin_cos,
fold_builtin_tan): Fold all constant arguments. Take a "type"
argument as necessary.
(do_mpfr_arg1): New.
* real.c, real.h (real_from_mpfr, mpfr_from_real): New.
2006-10-23 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/lib1funcs.asm: Use C-style comments.
2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
* tree.c (local_define_builtin): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
c_builtin_function.
* c-tree.h (builtin_function): Rename to c_builtin_function. Change
the signature.
* c-decl.c (builtin_function): Rename to c_builtin_function. Move
common code to add_builtin_function.
* langhooks.c (add_builtin_function): New function.
(lhd_builtin_function): New function.
* langhooks.h (struct lang_hooks): Change the signature of
builtin_function.
(add_builtin_function): New function.
* tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
calls to lang_hooks.builtin_function with add_builtin_function.
* c-common.c (decl_builtin_1): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* config/alpha/alpha.c (alpha_init_builtins): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* config/frv/frv.c (def_builtin): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* config/s390/s390.c (s390_init_builtins): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* config/sparc/sparc.c (def_builtin): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* config/i386/i386.c (def_builtin): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* config/sh/sh.c (sh_media_init_builtins): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* config/c4x/c4x.c (c4x_init_builtins): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* config/stormy16/stormy16.c (xstormy16_init_builtins):
Replace calls to lang_hooks.builtin_function with
add_builtin_function.
* config/iq2000/iq2000.c (def_builtin):
Replace calls to lang_hooks.builtin_function with
add_builtin_function.
* config/ia64/ia64.c (def_builtin): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* config/rs6000/rs6000.c (def_builtin): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
(altivec_init_builtins): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* config/arm/arm.c (def_mbuiltin): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
(arm_init_tls_builtins): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* config/mips/mips.c (mips_init_builtins): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* config/bfin/bfin.c (def_builtin): Replace calls to
lang_hooks.builtin_function with add_builtin_function.
* langhooks-def.h (lhd_builtin_function): New function.
(LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
2006-10-23 Jakub Jelinek <jakub@redhat.com>
* builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
BUILT_IN_STRNCAT_CHK.
2006-10-23 Jan Hubicka <jh@suse.cz>
* builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
don't do conversion from memmove to memcpy here.
(expand_builtin_bcopy, expand_builtin): Update call of
expand_builtin_memmove.
(fold_builtin_memory_op): Do folding of memmove to memcpy here.
2006-10-23 Paul Brook <paul@codesourcery.com>
* stor-layout.c (start_record_layout): maximum_field_alignment
overrides STRUCTURE_SIZE_BOUNDARY.
2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
* config/s390/predicates.md ("bras_sym_operand"): Do not accept
nonlocal function symbols if flag_pic.
2006-10-23 Richard Guenther <rguenther@suse.de>
PR middle-end/27132
PR middle-end/23295
* builtins.c (fold_binary): Remove checks for flag_wrapv
and flag_trapv where negate_expr_p covers these cases.
2006-10-23 Richard Guenther <rguenther@suse.de>
PR middle-end/29548
* fold-const.c (fold_plusminus_mult_expr): Check exact power
of two on the absolute value.
(fold_binary): Fold x * -C to -x * C if x is easily negatable
and negating -C does not overflow.
2006-10-23 Richard Guenther <rguenther@suse.de>
PR middle-end/21032
* convert.c (convert_to_real): Fold (float)-x to -(float)x
only if not flag_rounding_math.
2006-10-22 Richard Sandiford <richard@codesourcery.com>
Kaz Kojima <kkojima@gcc.gnu.org>
PR target/28232
* config/sh/sh.c (expand_block_move): Use a BLKmode rather than
SImode memory reference for the source of a movua.
* config/sh/sh.md (UNSPEC_MOVUA): New macro.
(movua): Use an unspec instead of sign_extract. Expect the source
to have mode BLKmode.
(extv, insv): Use a BLKmode rather than SImode memory reference
for the source of a movua.
2006-10-22 Jeff Law <law@redhat.com>
Richard Guenther <rguenther@suse.de>
PR tree-optimization/15911
* tree-vrp.c (extract_code_and_val_from_cond): New function.
(register_edge_assert_for_1): Likewise.
(register_edge_assert_for): Handle &&/&/||/| in conditionals.
(find_conditional_asserts): Adjust for new function signature.
(find_assert_locations): Likewise.
2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/tmmintrin.h: Remove the duplicated content.
2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
* config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
(x86_64-*-*): Likewise.
* config/i386/i386.c (pta_flags): Add PTA_SSSE3.
(override_options): Check SSSE3.
(ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
IX86_BUILTIN_PABSD128.
(bdesc_2arg): Add SSSE3.
(bdesc_1arg): Likewise.
(ix86_init_mmx_sse_builtins): Support SSSE3.
(ix86_expand_builtin): Likewise.
* config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
* config/i386/i386.md (UNSPEC_PSHUFB): New.
(UNSPEC_PSIGN): Likewise.
(UNSPEC_PALIGNR): Likewise.
Include mmx.md before sse.md.
* config/i386/i386.opt: Add -mssse3.
* config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
(ssse3_phaddwv4hi3): Likewise.
(ssse3_phadddv4si3): Likewise.
(ssse3_phadddv2si3): Likewise.
(ssse3_phaddswv8hi3): Likewise.
(ssse3_phaddswv4hi3): Likewise.
(ssse3_phsubwv8hi3): Likewise.
(ssse3_phsubwv4hi3): Likewise.
(ssse3_phsubdv4si3): Likewise.
(ssse3_phsubdv2si3): Likewise.
(ssse3_phsubswv8hi3): Likewise.
(ssse3_phsubswv4hi3): Likewise.
(ssse3_pmaddubswv8hi3): Likewise.
(ssse3_pmaddubswv4hi3): Likewise.
(ssse3_pmulhrswv8hi3): Likewise.
(ssse3_pmulhrswv4hi3): Likewise.
(ssse3_pshufbv16qi3): Likewise.
(ssse3_pshufbv8qi3): Likewise.
(ssse3_psign<mode>3): Likewise.
(ssse3_psign<mode>3): Likewise.
(ssse3_palignrti): Likewise.
(ssse3_palignrdi): Likewise.
(abs<mode>2): Likewise.
(abs<mode>2): Likewise.
* config/i386/tmmintrin.h: New file.
* doc/extend.texi: Document SSSE3 built-in functions.
* doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
2006-10-22 Ira Rosen <irar@il.ibm.com>
* tree-vect-transform.c (vectorizable_load): Use the type of the
return value of the mask_for_load builtin to create realign_load
stmt.
2006-10-22 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.c (mips_split_const): Don't accept bare PLUS
expressions.
2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
(UNSPEC_LDDQU): This.
* config/i386/sse.md (sse3_lddqu): Updated.
2006-10-21 Richard Guenther <rguenther@suse.de>
* builtins.c (expand_builtin_int_roundingfn_2): New function.
(expand_builtin): Use it to expand lrint instead of
expand_builtin_mathfn.
2006-10-21 Uros Bizjak <uros@kss-loka.si>
PR middle-end/28252
* builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
flag_unsafe_math_optimizations is set.
2006-10-21 Uros Bizjak <uros@kss-loka.si>
PR target/19398
* config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
patterns to use memory input operand in x87->mem->XMM
reload sequences. Skip transformation for TARGET_K8.
2006-10-21 Uros Bizjak <uros@kss-loka.si>
* config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
force operand1 to register if both operands are memory operands.
(*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
(*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
if both operands are memory operands.
(truncdfsf2): Do not force operand1 to register if both operands
are memory operands.
2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* Makefile.in (LIBS): Add $(GMPLIBS).
* doc/install.texi: Update GMP and MPFR requirements.
* doc/sourcebuild.texi (need_gmp): Delete.
2006-10-21 Richard Guenther <rguenther@suse.de>
PR tree-optimization/3511
* tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
got new invariant arguments during PHI translation.
2006-10-21 Richard Guenther <rguenther@suse.de>
PR middle-end/26898
* fold-const.c (fold_comparison): Fold signed comparisons
of the form X +- C1 CMP Y +- C2.
2006-10-21 Richard Guenther <rguenther@suse.de>
PR target/19116
* config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
if flag_unsafe_math_optimizations is specified. We have
flag_finite_math_only for that.
* config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
or flag_unsafe_math_optimizations.
2006-10-21 Richard Guenther <rguenther@suse.de>
* builtins.c (fold_builtin_classify): Fix typo.
2006-10-21 Richard Guenther <rguenther@suse.de>
PR middle-end/28796
* simplify-rtx.c (simplify_const_relational_operation):
Do not constant-fold ORDERED and UNORDERED for
flag_unsafe_math_optimizations but only we do not need to
honor NaNs for the given mode.
2006-10-21 Richard Guenther <rguenther@suse.de>
PR target/29512
* config/i386/i386.c (classify_argument): Remove redundant
walking of the BINFOs.
(contains_128bit_aligned_vector_p): Likewise.
2006-10-20 Mark Mitchell <mark@codesourcery.com>
* BASE-VER: Set to 4.3.0.
2006-10-20 Daniel Berlin <dberlin@dberlin.org>
* tree.h (DECL_PTA_ARTIFICIAL): Remove.
(tree_decl_with_vis): Remove artificial_pta_var flag.
* tree-flow.h (referenced_var_check_and_insert): Expose.
(nonlocal_all): New prototype.
* tree-ssa-structalias.c (nonlocal_for_type): Remove.
(nonlocal_all): Make global.
(nonlocal_lookup): Remove.
(nonlocal_insert): Ditto.
(create_nonlocal_var): Do not call nonlocal_insert.
(get_nonlocal_id_for_type): Remove.
(find_global_initializers): Mark new vars we find for renaming.
(intra_create_variable_infos): Only create one nonlocal.
(expand_nonlocal_solutions): Remove.
(compute_points_to_sets): Don't call it.
(ipa_pta_execute): Ditto.
(init_alias_heapvars): Don't create nonlocal_for_type.
(delete_alias_heapvars): Don't remove it.
* tree-ssa-operands.c (access_can_touch_variable): Don't prune
nonlocal_all.
2006-10-19 Brooks Moses <bmoses@stanford.edu>
* doc/install.texi (Downloading GCC): Clarify mention of
Fortran in the "full distribution" description.
2006-10-19 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/28778
Fix PR tree-optimization/29156
Fix PR tree-optimization/29415
* tree.h (DECL_PTA_ARTIFICIAL): New macro.
(tree_decl_with_vis): Add artificial_pta_var flag.
* tree-ssa-alias.c (is_escape_site): Remove alias info argument,
pushed into callers.
* tree-ssa-structalias.c (nonlocal_for_type): New variable.
(nonlocal_all): Ditto.
(struct variable_info): Add directly_dereferenced member.
(var_escaped_vars): New variable.
(escaped_vars_tree): Ditto.
(escaped_vars_id): Ditto.
(nonlocal_vars_id): Ditto.
(new_var_info): Set directly_dereferenced.
(graph_size): New variable
(build_constraint_graph): Use graph_size.
(solve_graph): Don't process constraints that cannot change the
solution, don't try to propagate an empty solution to our
successors.
(process_constraint): Set directly_dereferenced.
(could_have_pointers): New function.
(get_constraint_for_component_ref): Don't process STRING_CST.
(nonlocal_lookup): New function.
(nonlocal_insert): Ditto.
(create_nonlocal_var): Ditto.
(get_nonlocal_id_for_type): Ditto.
(get_constraint_for): Allow results vector to be empty in the case
of string constants.
Handle results of calls properly.
(update_alias_info): Update alias info stats on number and type of
calls.
(find_func_aliases): Use could_have_pointers.
(make_constraint_from_escaped): Renamed from
make_constraint_to_anything, and changed to make constraints from
escape variable.
(make_constraint_to_escaped): New function.
(find_global_initializers): Ditto.
(create_variable_info_for): Make constraint from escaped to any
global variable, and from any global variable to the set of
escaped vars.
(intra_create_variable_infos): Deal with escaped instead of
pointing to anything.
(set_uids_in_ptset): Do type pruning on directly dereferenced
variables.
(find_what_p_points_to): Adjust call to set_uids_with_ptset.
(init_base_vars): Fix comment, and initialize escaped_vars.
(need_to_solve): Removed.
(find_escape_constraints): New function.
(expand_nonlocal_solutions): Ditto.
(compute_points_to_sets): Call find_escape_constraints and
expand_nonlocal_solutions.
(delete_points_to_sets): Don't fall off the end of the graph.
(init_alias_heapvars): Initialize nonlocal_for_type and
nonlocal_all.
(delete_alias_heapvars): Free nonlocal_for_type and null out
nonlocal_all.
2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
* fold-const.c (add_double): Rename to add_double_with_sign.
Add 'unsigned_p' parameter and take it into account for the overflow.
(mul_double): Rename to mul_double_with_sign.
Add 'unsigned_p' parameter and take it into account for the overflow.
(fold_div_compare): Call add_double_with_sign instead of add_double
and mul_double_with_sign instead of mul_double, passing them the
unsignedness of the type.
* tree.h (add_double): Macroize.
(add_double_with_sign): New prototype.
(mul_double): Macroize.
(mul_double_with_sign): New prototype.
2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
* config/score/crti.asm: New file.
* config/score/crtn.asm: New file.
* config/score/elf.h: New file.
* config/score/mac.md: New file.
* config/score/misc.md: New file.
* config/score/mul-div.S: New file.
* config/score/predicates.md: New file.
* config/score/score7.md: New file.
* config/score/score.c: New file.
* config/score/score-conv.h: New file.
* config/score/score.h: New file.
* config/score/score.md: New file.
* config/score/score-mdaux.c: New file.
* config/score/score-mdaux.h: New file.
* config/score/score-modes.def: New file.
* config/score/score.opt: New file.
* config/score/score-protos.h: New file.
* config/score/score-version.h: New file.
* config/score/t-score-elf: New file.
* config.gcc: Add score*-*-* configurations(Update before).
* doc/invoke.texi (Score Options): New section.
* doc/md.texi (Score family): New section to document constraints.
2006-10-19 Nick Clifton <nickc@redhat.com>
* config/arm/arm.c: Fix spelling typo.
2006-10-18 Tom Tromey <tromey@redhat.com>
* doc/install.texi (Prerequisites): Mention automake 1.9.6.
2006-10-18 Jan Hubicka <jh@suse.cz>
PR middle-end/29299
* cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
are used.
2006-10-18 Marcin Dalecki <martin@dalecki.de>
* omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
TSI_SAME_STMT, since that's the desired entity.
2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
* config/s390/contraints.md: New file.
* config/s390/s390-protos.h (s390_mem_constraint,
s390_O_constraint_str, s390_N_constraint_str,
s390_float_const_zero_p): Function prototypes added.
* config/s390/s390.c (s390_extra_constraint_str,
s390_const_double_ok_for_constraint_p,
s390_const_ok_for_constraint_p): Functions removed.
(s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
s390_float_const_zero_p): New functions.
* config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
Macro definitions removed.
(s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
s390_extra_constraint_str): Functions removed.
2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
Richard Sandiford <richard@codesourcery.com>
PR target/29413
* config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
* config/mips/mips.h (CC1_SPEC): Override any earlier definition.
2006-10-16 Geoffrey Keating <geoffk@apple.com>
* config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
(DWARF2_FRAME_REG_OUT): Likewise.
* config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
(DWARF2_FRAME_REG_OUT): Likewise.
2006-10-17 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
2006-10-16 Brooks Moses <bmoses@stanford.edu>
* doc/contrib.texi, doc/install.texi, doc/standards.texi:
Standardize on "GNU Fortran" as the official name of the Fortran
compiler.
2006-10-16 Mike Stump <mrs@apple.com>
* doc/invoke.texi (Darwin Options): Document -mkernel.
* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
-mkernel support.
(C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
(CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
(OS_MISSING_ALTIVEC): Add.
* config/i386/i386.c (override_options): Add
SUBSUBTARGET_OVERRIDE_OPTIONS callout.
* config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
-mkernel, -static or -mdynamic-no-pic is given.
(C_COMMON_OVERRIDE_OPTIONS): Add.
* config/darwin.opt (fapple-kext): Add.
(mkernel): Add.
* config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
-fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
-mkernel support.
(SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
(SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
(CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
(SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
(TARGET_CXX_CDTOR_RETURNS_THIS): Add.
(flag_mkernel): Add.
(flag_apple_kext): Add.
(TARGET_KEXTABI): Add.
* config/darwin.c (darwin_handle_kext_attribute): Add.
(DARWIN_VTABLE_P): Add.
(darwin_binds_local_p): Add partial support for rebinding vtables
in kexts.
(darwin_kextabi_p): Add.
(darwin_override_options): Add.
* config/darwin-protos.h (darwin_handle_kext_attribute): Add.
(darwin_kextabi_p): Add.
(darwin_override_options): Add.
* config/darwin-c.c (darwin_cpp_builtins): ... move defines for
__DYNAMIC__ and __STATIC__ here.
2006-10-16 Brooks Moses <bmoses@stanford.edu>
* doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
Added mention of "make pdf" target, and Texinfo requirements for
same.
2006-10-16 DJ Delorie <dj@redhat.com>
* config/s390/s390.c (s390_decompose_address): Allow symbol+offset
into the GOT in case we need a subreg of the address.
2006-10-16 Richard Guenther <rguenther@suse.de>
PR target/25519
* doc/extend.texi (X86 Built-in Functions): Fix typos in
SSE builtin documentation. Document SSE2 builtins.
2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
symbol in the output file for non-shared links when -nostdlib or
-nodefaultlibs isn't specified.
* config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
posix thread support.
2006-10-15 Jan Hubicka <jh@suse.cz>
PR middle-end/29241
* cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
declared always_inline even when not inlining.
2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Andrew Pinski <pinskia@gmail.com>
PR middle-end/29111
* builtins.c (get_pointer_alignment): Return 0 if TER is not run.
2006-10-15 Jan Hubicka <jh@suse.cz>
Richard Guenther <rguenther@suse.de>
PR middle-end/29299
* cgraphunit.c (cgraph_finalize_compilation_unit): Call
process_function_and_variable_attributes on all variables, including
those discovered during cgraph construction phase.
2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
* final.c: Update Copyright year. Commentary typo fix. Fix whitespace
2006-10-14 Uros Bizjak <uros@kss-loka.si>
* config/i386/athlon.md (athlon_fist): Add fisttp.
2006-10-13 David Edelsohn <edelsohn@gnu.org>
Ian Lance Taylor <ian@airs.com>
PR middle-end/29250
* expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
recursing.
2006-10-14 Kazu Hirata <kazu@codesourcery.com>
* config/score/score.c, config/score/score.h: Fix comment
typos.
2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR bootstrap/29402
* Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
shell pipeline.
2006-10-13 Eric Christopher <echristo@apple.com>
* config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
Revert this change:
2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
* config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
alignment supported by 32-bit ELF.
2006-10-13 Eric Christopher <echristo@apple.com>
* config/darwin.c (darwin_emit_unwind_label): Strip
name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
2006-10-13 Richard Guenther <rguenther@suse.de>
PR tree-optimization/29446
* tree-vrp.c (fix_equivalence_set): Remove.
(extract_range_from_assert): Do not call fix_equivalence_set.
(debug_value_range): Print a newline.
(compare_name_with_value): For equivalence sets with
inconsistent value ranges conservatively bail out.
(compare_names): Likewise.
2006-10-13 David Edelsohn <edelsohn@gnu.org>
* doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
and MPFR for gfortran.
2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
* config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
alignment supported by 32-bit ELF.
2006-10-13 Paolo Bonzini <bonzini@gnu.org>
PR c/29092
* c-typeck.c (digest_init): Always allow initializing vectors
that have static storage duration with compound literals.
* tree.c (build_type_attribute_qual_variant): New, based on
build_type_attribute_variant.
(build_type_attribute_variant): Rewrite using the former.
(make_vector_type): Use build_type_attribute_qual_variant to build
type variants. Use type_hash_canon on the others.
2006-10-13 Daniel Berlin <dberlin@dberlin.org>
Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
* tree-flow-inline.h (zero_ssa_operands): Fix comment.
2006-10-12 Jan Hubicka <jh@suse.cz>
PR c/28419
* c-decl.c (c_make_fname_decl): Do not segfault in case where
current_function_decl is set but current_function_scope is not.
2006-10-12 Jie Zhang <jie.zhang@analog.com>
* config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
emit_insn to emit eh_return_internal instruction.
(eh_return_internal): Explicitly set pc.
2006-10-11 Richard Guenther <rguenther@suse.de>
PR tree-optimization/28230
* tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
to the correct place.
2006-10-11 Richard Guenther <rguenther@suse.de>
PR inline-asm/29119
* gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
addressable.
2006-10-10 Brooks Moses <bmoses@stanford.edu>
* configure.ac: Added pdf to "Make-hooks"
* Makefile.in: Added TEXI2PDF definition, and various pdf-file
targets and *.pdf file patterns in cleanup targets.
* configure: Regenerated.
2006-10-10 Anatoly Sokolov <aesok@post.ru>
* config/avr/predicates.md: New file.
* config/avr/avr.md: Include it.
(REG_SP): New constant.
(peepholes): Use predicates.
(sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
* config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
avoid alias set 0.
2006-10-10 Jakub Jelinek <jakub@redhat.com>
PR middle-end/29272
* builtins.c (var_decl_component_p): New function.
(fold_builtin_memset, fold_builtin_memory_op): Restrict
single entry optimization to variables and components thereof.
2006-10-10 Richard Guenther <rguenther@suse.de>
PR rtl-optimization/29323
* except.c (set_nothrow_function_flags): For functions
that do not bind local bail out early.
2006-10-10 Ben Elliston <bje@au.ibm.com>
* doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
-mdlmzb option.
2006-10-09 Richard Henderson <rth@redhat.com>
Revert emutls patch.
2006-10-09 Richard Guenther <rguenther@suse.de>
PR middle-end/29254
* cgraphunit.c (verify_cgraph_node): Bail out on earlier
errors.
2006-10-09 Steve Ellcey <sje@cup.hp.com>
PR target/27880
* unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
* configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
* configure: Regenerate.
* config.in: Regenerate.
2006-10-09 Aldy Hernandez <aldyh@redhat.com>
* tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2006-10-08 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.c (mips_legitimize_tls_address): Implement
all TLS models in the same way as local exec if !TARGET_ABICALLS.
Remove stray newline.
2006-10-08 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.c (mips_classify_symbol): Do not return
SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
(mips_in_small_data_p): Tweak comments.
2006-10-08 Richard Sandiford <richard@codesourcery.com>
* config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
2006-10-07 Kazu Hirata <kazu@codesourcery.com>
* gimplify.c, sched-int.h: Fix comment typos.
* sched-int.h: Fix comment typos.
2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
* sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
New macros.
* sched-ebb.c (begin_schedule_ready): Use them.
* haifa-sched.c (schedule_insn, move_insn, try_ready,
add_to_speculative_block, create_check_block_twin, speculate_insn,
fix_jump_move, move_block_after_check): Ditto.
* sched-rgn.c (new_ready): Ditto.
2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
PR rtl-optimization/29128
* sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
* sched-ebb.c (advance_target_bb): Use it to fix condition to
allow interblock movement of speculation checks.
2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
PR middle-end/29256
* tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
casted to integer type.
(get_address_cost): Decrease cost of [symbol + index] addressing modes
if they are significantly more expensive than [reg + index] ones.
2006-10-06 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/29330
* tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
(initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
on newly allocated ddrs.
(find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
to VEC (loop_p, heap) pointer.
(compute_data_dependences_for_loop): Adjust caller.
(free_dependence_relations): Free DDR_LOOP_NEST.
* tree-loop-linear.c (linear_transform_loops): Don't forget to
free DEPENDENCE_RELATIONS and DATAREFS.
PR target/28924
* builtins.c (expand_builtin_sync_operation,
expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
Use convert_to_mode to handle promoted arguments.
2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
* print-tree.c (print_node_brief, print_node): Print sign of Inf.
2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
* config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
2006-10-05 Uros Bizjak <uros@kss-loka.si>
* config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
"sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
Use <modeconstraint> instead of "r" as operand 1 constraint.
2006-10-06 Olivier Hainque <hainque@adacore.com>
* gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
Don't recurse on the pointed-to type.
* c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
types with components of variable size.
2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
* config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
2006-10-06 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/29290
* tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
multiple exits.
PR target/29198
* config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
* config/i386/predicates.md (local_symbolic_operand): Likewise.
PR c/29091
* varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
the number of vector elements fill the rest with zeros.
2006-10-05 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.c (mips_pass_by_reference): Do not return false
for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
instead.
2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.md (subsi3): Lose expander, change previously
unnamed pattern into subsi3. Use correct constraints/predicates.
* config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
* config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
2006-10-05 Ira Rosen <irar@il.ibm.com>
* doc/loop.texi: Add data references analysis description.
2006-10-04 Brooks Moses <bmoses@stanford.edu>
* doc/gcov.texi: Add formatting to "Invoking gcov" section head.
2006-10-04 Richard Henderson <rth@redhat.com>
Jakub Jelinek <jakub@redhat.com>
* Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
* builtin-types.def (BT_WORD): Make unsigned.
(BT_FN_VOID_PTR_WORD_WORD_PTR): New.
* builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
(BUILT_IN_EMUTLS_REGISTER_COMMON): New.
* c-decl.c (grokdeclarator): Don't error if !have_tls.
* c-parser.c (c_parser_omp_threadprivate): Likewise.
* cgraph.c (decide_is_variable_needed): Look at force_output.
Recurse for emulated tls.
* cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
checks redundant with decide_is_variable_needed.
(cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
* dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
emulated tls.
* expr.c (emutls_var_address): New.
(expand_expr_real_1): Expand emulated tls.
(expand_expr_addr_expr_1): Likewise.
* libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
* output.h (emutls_finish): Declare.
* toplev.c (compile_file): Call it.
* tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
address before wrapping in CONST.
* varasm.c (emutls_htab, emutls_object_type): New.
(EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
(get_emutls_object_name, get_emutls_object_type): New.
(get_emutls_init_templ_addr, emutls_decl): New.
(emutls_common_1, emutls_finish): New.
(assemble_variable): When emulating tls, swap decls; generate
constructor for the emutls objects.
(do_assemble_alias): When emulating tls, swap decl and target name.
(default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
for emulated tls.
* emutls.c: New file.
* config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
tls_object for real tls.
2006-10-04 Zack Weinberg <zackw@panix.com>
Fix bug in constraint-check generator, reported by Rask Ingemann
Lambertsen:
* genpreds.c (add_constraint): Don't remove anything from the
expression here.
(write_tm_constrs_h): Detect whether "op" argument is used, and
mark it ARG_UNUSED if it isn't.
(write_insn_const_int_ok_for_constraint): Skip the part of the
expression that would test whether "op" (which is not available
here) is a CONST_INT.
2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
PR c++/28448
* doc/invoke.texi (fdiagnostics-show-option): Fix typos.
2006-10-03 Geoffrey Keating <geoffk@apple.com>
* config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
current Leopard versions.
* config/rs6000/darwin-libgcc.10.5.ver: Likewise.
2006-10-03 Kazu Hirata <kazu@codesourcery.com>
* doc/install.texi: Fix typos.
2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
* builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
* doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
* config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
* unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
arg to be struct mach_header_64* instead.
2006-10-02 Jakub Jelinek <jakub@redhat.com>
PR c/29154
* gimplify.c (gimplify_self_mod_expr): Run inner expression's post
side effects after the outer expression's post side effects.
2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
* tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
comments to reflect actual behavior and relationship between
DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
* doc/c-tree.texi (Working with declarations): Fix documentation
of FIELD_DECL likewise.
2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
PR c/20533
* doc/extend.texi: Add used variable attribute description.
2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
PR c/24010
* c.opt (Woverride-init): New.
* c-opts.c (c_common_post_options): Default warn_override_init to
extra_warnings.
* c-typeck.c (add_pending_init, output_init_element): Warn for
overriding initializers without side effects.
* doc/invoke.texi (-Woverride-init): Document.
(-Wextra): Update.
2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
PR rtl-optimization/28096
* ifcvt.c (check_cond_move_block): Return FALSE if the source of an
assignment has already been used as a destination earlier in the block.
2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
* builtins.c (expand_builtin_setjmp): Delete.
(expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
<BUILT_IN_SETJMP_SETUP>: New case.
<BUILT_IN_SETJMP_DISPATCHER>: Likewise.
<BUILT_IN_SETJMP_RECEIVER>: Likewise.
* builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
(BUILT_IN_SETJMP_DISPATCHER): Likewise.
(BUILT_IN_SETJMP_RECEIVER): Likewise.
* gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
(lower_function_body): Initialize it to false. If it is set to true
at the end of the processing, emit the setjmp dispatcher.
(lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
is __builtin_setjmp and set calls_builtin_setjmp to true as well.
<MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
on the rhs of the assignment.
(lower_builtin_setjmp): New function.
* tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
* tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
to detect calls that can go to non-local labels. Use specific
helper to create the abnormal edges associated with them.
<MODIFY_EXPR>: Likewise.
(make_abnormal_goto_edges): New function extracted from...
(make_goto_expr_edges): ...here. Call it for computed gotos.
(simple_goto_p): Minor tweak.
(tree_can_make_abnormal_goto): New predicate.
(tree_redirect_edge_and_branch): Return zero on all abnormal edges.
(tree_purge_dead_abnormal_call_edges): New function.
* tree-flow.h (tree_can_make_abnormal_goto): Declare.
(tree_purge_dead_abnormal_call_edges): Likewise.
(make_abnormal_goto_edges): Likewise.
* tree-inline.c (expand_call_inline): Simplify statement frobbing.
Purge all dead abnormal edges if the call was in the last statement.
* tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
(execute_fixup_cfg): If there are non-local labels in the function,
scan the basic blocks and split them at calls that can go to non-local
labels or add missing abnormal call edges. Write down the CFG in the
dump file.
(pass_fixup_cfg): Remove TODO_dump_func flag.
* unwind-sjlj.c: Poison setjmp.
* doc/install.texi (enable-sjlj-exceptions): Use more general wording.
* doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
(TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
(DONT_USE_BUILTIN_SETJMP): Document it.
2006-09-28 Geoffrey Keating <geoffk@apple.com>
PR target/28617
* config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
to 1 when __ppc64__ is defined.
* config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
darwin-64.c.
* config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2006-09-28 Steve Ellcey <sje@cup.hp.com>
* config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
* config/ia64/unwind-hpux.c: Delete.
2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
* gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
on the element before gimplifying it, instead of punting if it is of
variable size.
2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
* doc/loop.texi: New file.
* doc/gccint.texi: Reference loop.texi.
* Makefile.in (loop.texi): Add.
2006-09-27 Geoffrey Keating <geoffk@apple.com>
* config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
__sysctl.
* config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
* config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
* doc/install.texi: Document required versions of GMP and MPFR.
2006-09-27 Paul Brook <paul@codesourcery.com>
PR target/29230
* config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2006-09-27 Richard Sandiford <richard@codesourcery.com>
* reload1.c (alter_reg): Require the alignment of the stack slot to
be at least reg_max_ref_width bytes.
(scan_paradoxical_subregs): Record the largest width in
reg_max_ref_width.
2006-09-26 Jakub Jelinek <jakub@redhat.com>
PR middle-end/25261
PR middle-end/28790
* tree-nested.c (struct nesting_info): Added static_chain_added.
(convert_call_expr): Set static_chain_added when adding static
chain. Handle OMP_PARALLEL and OMP_SECTION.
2006-09-25 Matthias Klose <doko@debian.org>
* doc/invoke.texi: Add missing full stop.
2006-09-25 Richard Henderson <rth@redhat.com>
* cgraph.c (dump_cgraph_varpool_node): Don't crash if called
before cgraph_function_flags_ready.
2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
Adam Nemet <anemet@caviumnetworks.com>
* tree-ssa-loop-ivopts.c (aff_combination_convert,
determine_common_wider_type): New functions.
(get_computation_aff): Use them to simplify arithmetic between
UBASE and CBASE if they are shortened from the same type.
2006-09-24 Kazu Hirata <kazu@codesourcery.com>
PR target/28911
* config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
-2147483647 - 1 instead of 0x80000000.
2006-09-23 Revital1 Eres <ERES@il.ibm.com>
* flags.h (HONOR_NANS): Fix typo in comment.
2006-09-23 Uros Bizjak <uros@kss-loka.si>
* config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2006-09-23 Jakub Jelinek <jakub@redhat.com>
PR c/28706
PR c/28712
* tree.c (merge_attributes, attribute_list_contained): If both
TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
simple_cst_equal.
* c-typeck.c (comptypes_internal): Don't consider aggregates
in different TUs as compatible if there one set of attributes is
not a subset of the other type's attributes.
(composite_type): Try harder not to create a new aggregate type.
2006-09-22 Geoffrey Keating <geoffk@apple.com>
* config/i386/driver-i386.c: Always define host_detect_local_cpu.
* config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
(CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
than replicating condition above.
* config.host (i[34567]86-*-*): Always use driver-i386.o.
* config/darwin.h (LINK_SYSROOT_SPEC): New.
(LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
the linker by default.
2006-09-22 Mike Stump <mrs@apple.com>
* config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
code.
2006-09-22 Richard Guenther <rguenther@suse.de>
PR middle-end/28964
* cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
sort of stack variables stable.
2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
PR middle-end/28690
* explow.c (force_reg): Set REG_POINTER flag according to
MEM_POINTER flag.
2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/28888
* tree-if-conv.c (combine_blocks): Rewritten.
* tree-cfg.c (tree_verify_flow_info): Check that edges with
EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2006-09-22 Jakub Jelinek <jakub@redhat.com>
* tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
needed.
2006-09-21 Richard Sandiford <richard@codesourcery.com>
* varasm.c (copy_constant): Fix reversed gcc_assert check.
2006-09-21 Janis Johnson <janis187@us.ibm.com>
* ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2006-09-21 Roger Sayle <roger@eyesopen.com>
PR debug/29132
* dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
dw_fde_current_label, to be the start of the function, i.e. the same
value as dw_fde_begin.
2006-09-20 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
* config/mips/mips.md (UNSPEC_ABS_PS): New constant.
(UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
(UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
(*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
(*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
(abs<mode>2, neg<mode>2): Likewise.
* config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
(*mips_abs_ps): New define_insn.
2006-09-20 Josh Conner <jconner@apple.com>
PR middle-end/25505
* calls.c (expand_call): Allow reuse of structure return stack
temp.
2006-09-20 Paul Brook <paul@codesourcery.com>
* config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
positive offsets.
2006-09-20 Janis Johnson <janis187@us.ibm.com>
* doc/extend.texi (Decimal Float): Update for latest draft TR,
clean up terminology.
2006-09-20 Steve Ellcey <sje@cup.hp.com>
PR target/28574
* ifcvt.c (dead_or_predicable): Don't predicate then blocks
with tablejumps in them.
2006-09-20 Jakub Jelinek <jakub@redhat.com>
PR middle-end/28046
* c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
wrap it into TARGET_EXPR.
2006-09-20 Eric Christopher <echristo@apple.com>
* config/i386/i386.c (x86_fisttp): Remove.
* config/i386/i386.h (x86_fisttp): Ditto.
(TARGET_FISTTP): Ditto.
2006-09-19 Eric Christopher <echristo@apple.com>
* doc/tm.texi (OBJC_JBLEN): Describe.
* config/i386/darwin.h (OBJC_JBLEN): Define.
* config/rs6000/darwin.h: Ditto.
2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
PR rtl-optimization/21299
* reload1.c (reload): Purge invalid ASMs in the final pass.
2006-09-19 Steve Ellcey <sje@cup.hp.com>
PR 28490
* config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
pointers as legitimate constants.
2006-09-19 Paul Brook <paul@codesourcery.com>
PR target/28516
* config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/28887
* tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
component parts from the reference.
(gather_memory_references_ref): Record the reference without the
nonaddressable component parts.
2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
PR c/25993
* c-opts.c (c_common_handle_option): Ignore the -std options
if the input language is assembly.
2006-09-17 Ira Rosen <irar@il.ibm.com>
PR tree-opt/21591
* tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
tag first.
(ptr_ptr_may_alias_p): Likewise.
(record_record_differ_p): New function.
(base_object_differ_p): Call record_record_differ_p.
2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/29059
* tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
away for the expr argument.
2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
PR tree-opt/27742
* tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
before using it for dumping after vectorizing loops.
2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
Jack Howarth <howarth@bromo.med.uc.edu>
PR target/29030
* config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
skip on error_mark_node.
(rs6000_darwin64_record_arg_recurse): Likewise.
2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
* rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
* doc/rtl.texi: Remove related documentation.
2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
* loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
printf.
2006-09-15 Jim Wilson <wilson@specifix.com>
* config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
Handle symbol offsets same as they are handled in ia64_expand_move
and move_operand.
2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
* loop-doloop.c (doloop_optimize): Change type of max_cost to int.
Add forgotten parameter to the fprintf call.
2006-09-15 Steve Ellcey <sje@cup.hp.com>
* config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2006-09-15 Uros Bizjak <uros@kss-loka.si>
* doc/contrib.texi: Add my entry.
2006-09-15 Nick Clifton <nickc@redhat.com>
* doc/md.texi (Processor pipeline description): Fix typo in
example of how to use the absence_set directive and reword the
description to make it slightly easier to read.
2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
* params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
* loop-doloop.c (doloop_optimize): Use it to limit costs of
expanding the number of iterations.
* config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
* cfgrtl.c (emit_insn_at_entry): New function.
* rtl.h (emit_insn_at_entry): Declare it.
* integrate.c (emit_initial_value_sets): Use it.
* cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
* config/bfin/bfin.c (struct loop_info): New members block_bitmap and
bad.
(struct loop_work and related VEC declarations): Delete.
(bfin_dump_loops): Print out new member bad.
(bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
(bfin_scan_loop): Don't recurse.
(bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
loops. No longer need to update outer loops if the current one is
found bad. Move some validitiy checks to bfin_discover_loop.
(bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
but changed not to check for nesting. Also changed to use the new bad
flag.
(bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
time. Use bitmap based test to discover loop nesting.
2006-09-15 Kazu Hirata <kazu@codesourcery.com>
* doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
one line.
2006-09-14 Richard Guenther <rguenther@suse.de>
Kazu Hirata <kazu@codesourcery.com>
PR middle-end/28884.
* doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
(FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
with TARGET_FUNCTION_VALUE.
2006-09-14 Anatoly Sokolov <aesok@post.ru>
PR target/26504
* config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2006-09-13 Aldy Hernandez <aldyh@redhat.com>
* doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
of a RETURN_EXPR
2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
PR debug/28980
* dwarf2out.c (loc_descriptor_from_tree_1): Handle
FUNCTION_DECL.
2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
* basic_block.h (bb_has_eh_pred): Fix comment.
2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
* flow.c (calculate_global_regs_live): Invalidate eh registers
on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
(propagate_block): Handle eh registers as if they were set at basic
block start.
* except.c (dw2_build_landing_pads): Don't emit clobbers for eh
registers.
* global.c (global_conflicts): Make eh registers to conflict with
pseudos live at basic block begin.
* basic_block.h (bb_has_eh_pred): New function.
2006-09-13 Richard Sandiford <richard@codesourcery.com>
PR rtl-optimization/28982
* reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
index of a PRE_MODIFY or POST_MODIFY address.
* reload1.c (inc_for_reload): Use find_replacement on the original
base and index registers.
2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
* doc/invoke.texi (mpreferred-stack-boundary): Remove exception
for -Os. Update __m128 alignment requirement.
2006-09-13 Jan Hubicka <jh@suse.cz>
* cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
PR rtl-optimization/28243
* combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
the insn to which the note was originally attached.
2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
Roger Sayle <roger@eyesopen.com>
* dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
on platforms that don't use dwarf for debug info.
2006-09-12 Jason Merrill <jason@redhat.com>
PR middle-end/28493
* builtins.c (expand_builtin_setjmp_receiver): Clobber
hard_frame_pointer_rtx after using it to update the frame pointer.
2006-09-12 Roger Sayle <roger@eyesopen.com>
* target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
(TARGET_ASM_CLOSE_PAREN): Likewise.
* config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
(TARGET_ASM_CLOSE_PAREN): Likewise.
2006-09-12 Roger Sayle <roger@eyesopen.com>
PR target/22223
* config/alpha/alpha.c (alpha_start_function): Don't emit stack
frame information for frames larger than 512 Kbytes on Tru64 when
using the native assembler.
2006-09-12 Roger Sayle <roger@eyesopen.com>
PR middle-end/4520
PR bootstrap/28784
* cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
and symbols. Instead use the implementation from cse.c's hash_rtx.
2006-09-12 Jan Hubicka <jh@suse.cz>
PR rtl-optimization/28071
* tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
(vect_transform_loop): Likewise.
* tree-vectorizer.c (new_loop_vec_info): Likewise.
(new_loop_vec_info): Likewise.
(destroy_loop_vec_info): Likewise.
* tree-dfa.c (create_var_ann): Use GCC_CNEW.
(create_stmt_ann): Likewise.
(create_tree_ann): Rename to ...
(create_tree_common_ann): ... this one; allocate only the common part
of annotations.
* tree-vn.c (set_value_handle): Use get_tree_common_ann.
(get_value_handle): Likewise.
* tree-ssa-pre.c (phi_translate): Delay annotation allocation for
get_tree_common_ann.
* tree-vectorizer.h (set_stmt_info): Take stmt annotation.
(vinfo_for_stmt): Use stmt annotations.
* tree-flow.h (tree_ann_common_t): New type.
(tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
(tree_ann, get_tree_ann, create_tree_ann): New.
* tree-flow-inline.h (get_function_ann): Do more type checking.
(stmt_ann): Likewise.
(tree_ann): Rename to ...
(tree_common_ann): ... this one; return ony common_ann
(get_tree_ann): Rename to ...
(tree_common_ann): This one; return only common_ann.
* tree-vect-patterns.c (vect_pattern_recog_1): Update call
of set_stmt_info.
2006-09-11 Geoffrey Keating <geoffk@apple.com>
* config.gcc (i[34567]86-*-darwin*): Set with_arch and
with_cpu by default.
* dwarf2out.c (dwarf_file_data): New.
(enum dw_val_class): Add dw_val_class_file.
(struct dw_val_struct): Add val_file.
(file_table): Change to a hash table.
(file_table_emitted): Delete.
(file_table_last_lookup_index): Delete.
(emitcount): Delete.
(last_emitted_file): New.
(lookup_filename): Change prototype to return a struct dwarf_file_data.
(init_file_table): Delete.
(maybe_emit_file): Change prototype to take a struct dwarf_file_data.
(AT_addr): Add comment.
(add_AT_file): New.
(AT_file): New.
(get_AT_file): New.
(print_die): Handle dw_val_class_file.
(print_dwarf_line_table): Update for new file table structure.
(attr_checksum): Do checksum a filename.
(same_dw_val_p, same_attr_p): Do compare a filename.
(size_of_die): Handle dw_val_class_file.
(value_format): Likewise.
(output_die): Likewise. Also, call maybe_emit_file here.
(struct file_info): Constify filenames. Make file_idx a pointer
to a struct dwarf_file_data.
(struct dir_info): Constify directory names. Remove 'used' field.
(struct file_name_acquire_data): New.
(file_name_acquire): New.
(output_file_names): Modify to handle new file data structures.
(add_src_coords_attributes): Use add_AT_file.
(add_call_src_coords_attributes): Likewise.
(dwarf2out_imported_module_or_decl): Likewise.
(gen_subprogram_die): Modify for new file data structures.
(gen_variable_die): Likewise.
(file_table_eq): New.
(file_table_hash): New.
(file_table_last_lookup): New.
(lookup_filename): Rewrite to handle new file data structures.
(maybe_emit_file): Rewrite to handle new file data structures.
(dwarf2out_source_line): Always call lookup_filename and
maybe_emit_file.
(dwarf2out_init): Create file_table here.
(prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
(file_table_relative_p): New.
(dwarf2out_finish): Change detection of relative filenames
to work with new file data structures. Move output_line_info call
after debug_info output.
2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
PR target/13685
PR target/27537
PR target/28621
* config/i386/i386.c (override_options): Always default to 16
byte stack boundary.
2006-09-11 Alexandre Oliva <aoliva@redhat.com>
PR target/28672
* var-tracking.c (dump_dataflow_set): Start dumping at
register zero.
(clobber_variable_part): Kill only the variable part in
registers holding it, leaving other variables alone.
2006-09-11 Josh Triplett <josh@freedesktop.org>
* doc/extend.texi (Other Builtins): Actually use the macro
argument in the documentation example for
__builtin_types_compatible_p.
2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
PR rtl-optimization/28726
* sched-deps.c (sched_analyze_reg): New function extracted from...
(sched_analyze_1): ...here. Call it to analyze references to
registers. Treat again writes to a stack register as writing to the
register.
(sched_analyze_2): ...and here. Call it to analyze references to
registers. Treat again reads of a stack register as reading the
register.
2006-09-11 Guenter Roeck <guenter@roeck-us.net>
David Edelsohn <edelsohn@gnu.org>
PR target/27287
* config/rs6000/spe.md (frob_df_di): Remove %H.
(frob_di_df): Remove %H. Change evmergelo to mr.
(frob_di_df_2): Remove %H. Change evldd to two loads.
2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
* doc/cpp.texi: Fix names of charset options.
2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
PR target/29009
* config/i386/i386.c (override_options): Use 128-bit
stack boundary always for 64bits.
2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
PR rtl-optimization/28636
* combine.c (force_to_mode): Test for side-effects before
substituting by zero.
(simplify_shift_const): Likewise for zero or other constants.
2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
PR middle-end/26983
* builtins.c (expand_builtin_setjmp): Force next_lab to be
preserved.
2006-09-10 Richard Sandiford <richard@codesourcery.com>
PR target/29006
* config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
* config/mips/mips.c (mips_expand_unaligned_store): Use the mode
returned by mode_for_size, rather than the mode of src itself,
to choose between 32-bit and 64-bit patterns.
(mips_mem_fits_mode_p): New function.
* config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
that the size of the source matches the size of the destination.
(mov_<store>l, mov_<store>r): Likewise.
2006-09-10 Eric Christopher <echristo@apple.com>
* config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
for literal16.
2006-09-09 Eric Christopher <echristo@apple.com>
PR target/28995
* config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
for literal16.
2006-09-09 Roger Sayle <roger@eyesopen.com>
Nicolas Setton <setton@adacore.com>
* dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2006-09-10 Andreas Schwab <schwab@suse.de>
* config/m68k/m68k.md (bungt_rev): New pattern.
2006-09-09 Paolo Bonzini <bonzini@gnu.org>
Dale Johannesen <dalej@apple.com>
PR target/26778
* regclass.c (struct reg_pref): Update documentation.
(regclass): Set prefclass to NO_REGS if memory is the best option.
(record_reg_classes): Cope with a prefclass set to NO_REGS.
2006-09-08 Eric Christopher <echristo@apple.com>
* config.gcc (i?86-*-darwin): Add 64-bit HWI support.
* config/t-slibgcc-darwin: Support x86_64 multilib.
* config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
Return 1 for x86_64-darwin.
* config/i386/t-darwin: Add m64 multilib.
(LIB2_SIDITI_CONV_FUNCS): Use.
(LIB2FUNCS_EXTRA): Ditto.
* config/i386/darwin.h: Support x86_64.
* config/i386/i386.c (override_options): Turn on flag_pic
for x86_64-darwin. Disable flag_omit_pointer.
(get_pc_thunk_name): Assert !TARGET_64BIT.
(legitimate_address_p): Disable machopic addressing for
x86_64.
(legitimize_pic_address): Ditto.
(ix86_expand_move): Ditto.
(ix86_expand_call): Ditto.
(machopic_output_stub): Ditto.
* config/darwin.c (machopic_select_section): Support literal16.
(machopic_select_rtx_section): Ditto.
* config/darwin-sections.def: Ditto.
* config/darwin-64.c: New.
2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
PR c/28504
* c-tree.h (struct c_arg_info): Add pending_sizes.
* c-parser.c (c_parser_parms_declarator,
c_parser_parms_list_declarator): Initialize pending_sizes.
* c-decl.c (get_parm_info): Initialize pending_sizes.
(get_parm_info): Set pending_sizes.
(grokdeclarator): Call put_pending_sizes for parameters for
function definition only.
2006-09-07 Jason Merrill <jason@redhat.com>
PR middle-end/27724
* varasm.c (output_constant): Only strip actual no-op conversions.
PR target/13685
* config/i386/i386.c (override_options): Use 128-bit
stack boundary if -msse.
2006-09-07 Eric Christopher <echristo@apple.com>
* config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
comment.
* config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
Redefine.
2006-09-07 Geoffrey Keating <geoffk@apple.com>
* dwarf2out.c: Remove strange characters from comment above
dwarf2out_frame_debug_expr.
2006-09-07 Eric Christopher <echristo@apple.com>
* config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
* config/darwin.h: ... to here.
2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (x86_partial_flag_reg_stall): New.
* config/i386/i386.h (x86_partial_flag_reg_stall): New.
(TARGET_PARTIAL_FLAG_REG_STALL): New.
* config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
TARGET_PARTIAL_FLAG_REG_STALL.
(*ashldi3_cconly_rex64): Likewise.
(*ashlsi3_cmp): Likewise.
(*ashlsi3_cconly): Likewise.
(*ashlsi3_cmp_zext): Likewise.
(*ashlhi3_cmp): Likewise.
(*ashlhi3_cconly): Likewise.
(*ashlqi3_cmp): Likewise.
(*ashlqi3_cconly): Likewise.
(*ashrdi3_cmp_rex64): Likewise.
(*ashrdi3_cconly_rex64): Likewise.
(*ashrsi3_cmp): Likewise.
(*ashrsi3_cconly): Likewise.
(*ashrsi3_cmp_zext): Likewise.
(*ashrhi3_cmp): Likewise.
(*ashrhi3_cconly): Likewise.
(*ashrqi3_cmp): Likewise.
(*ashrqi3_cconly): Likewise.
(*lshrdi3_cmp_rex64): Likewise.
(*lshrdi3_cconly_rex64): Likewise.
(*lshrsi3_cmp): Likewise.
(*lshrsi3_cconly): Likewise.
(*lshrsi3_cmp_zext): Likewise.
(*lshrhi3_cmp): Likewise.
(*lshrhi3_cconly): Likewise.
(*lshrqi2_cmp): Likewise.
(*lshrqi2_cconly): Likewise.
2006-09-07 Uros Bizjak <uros@kss-loka.si>
PR target/28946
* config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
"*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
"*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
"*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
"*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
"*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
"*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
"*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
"*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
implement only CC setting effects of shift instructions.
2006-09-07 Martin Michlmayr <tbm@cyrius.com>
* doc/contrib.texi: Add myself.
2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/28862
* stor-layout.c (relayout_decl): Don't zero the alignment if it
was set by the user.
2006-09-07 Paolo Bonzini <bonzini@gnu.org>
PR target/27117
* config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
(divsi_inv_m1): Use them.
(UNSPEC_DIV_INV_TABLE): New constant.
2006-09-06 James E Wilson <wilson@specifix.com>
PR rtl-opt/27883
* flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
then call count_or_remove_death_notes.
2006-09-06 Jason Merrill <jason@redhat.com>
PR c++/27371
* tree-inline.c (copy_result_decl_to_var): New fn.
(declare_return_variable): Use it. Call declare_inline_vars here.
(expand_call_inline): Not here.
2006-09-06 Diego Novillo <dnovillo@redhat.com>
* doc/contrib.texi: Update my entry.
2006-09-06 Nick Clifton <nickc@redhat.com>
* config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/28937
* tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
(canonicalize_induction_variables): Likewise.
(tree_unroll_loops_completely): Likewise.
(tree_ssa_prefetch_arrays): Likewise.
(remove_empty_loops): Likewise.
* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
TODO_cleanup_cfg instead of directly calling
cleanup_tree_cfg_loop.
* tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
Likewise.
(tree_unroll_loops_completely): Likewise.
(remove_empty_loops): Likewise.
* tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
* tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
of tree_ssa_unswitch_loops.
(tree_ssa_loop_ivcanon): Use the return value of
canonicalize_induction_variables.
(tree_ssa_empty_loop): Use the return value of
remove_empty_loops.
(tree_complete_unroll): Use the return value of
tree_unroll_loops_completely.
(tree_ssa_loop_prefetch): Use the return value of
tree_ssa_prefetch_arrays.
* passes.c (execute_todo): Before Cleanup CFG, set
updating_used_alone and after cleanup CFG, call
recalculate_used_alone.
2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/28952
* tree-vect-transform.c (vectorizable_condition): Move the check
for the type after the check for simple condition.
2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
Kaz Kojima <kkojima@gcc.gnu.org>
PR target/28764
* mode-switching.c (optimize_mode_switching): Make the destination
block of an abnormal edge have no anticipatable mode. Don't
insert mode switching code at the end of the source block of
an abnormal edge.
2006-09-05 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/26847
* simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
(simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
(simplify_plus_minus): Count n_constants while filling ops. Replace
qsort with insertion sort. Before going through the array to simplify
pairs, sort it. Delay early exit until after the first sort, exiting
only if no swaps occurred. Simplify pairs in reversed order, without
special-casing the first iteration. Pack ops after simplifying pairs.
2006-09-05 Anatoly Sokolov <aesok@post.ru>
* config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
(avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2006-09-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/28900
* tree-if-conv.c (find_phi_replacement_condition): Gimplify
compound conditional before creating COND_EXPR condition.
2006-09-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/28905
* tree-vrp.c (fix_equivalence_set): Manually implement
!value_ranges_intersect_p to also handle symbolic ranges.
2006-09-05 Richard Guenther <rguenther@suse.de>
PR middle-end/28935
* tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
of a COND_EXPR.
2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
PR rtl-optimization/27616
* cse.c (table_size): New static variable.
(new_basic_block): Initialize it to 0.
(remove_from_table): Decrement it.
(insert): Increment it.
(fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
(fold_rtx_mem): Enforce a cap on the recursion depth. Call
fold_rtx_mem_1 if under the cap.
(fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
the lookup of the equivalent expression and test for equality of the
first operand of the equivalent expression before in turn looking up
an equivalent constant for the second operand.
2006-09-02 Geoffrey Keating <geoffk@apple.com>
Revert this change:
2006-03-17 Alexandre Oliva <aoliva@redhat.com>
* dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
pointer, instead of assuming it is possible to derive the
correct args size from a call insn.
2006-09-02 Jakub Jelinek <jakub@redhat.com>
PR middle-end/27567
* builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
(fold_builtin_mempcpy): Rename to...
(fold_builtin_memory_op): ... this. Optimize one element copy
into an assignment.
(fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
functions.
(expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
(expand_builtin_memcpy, expand_builtin_mempcpy,
expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
(fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
BUILT_IN_BCOPY. Use fold_builtin_memory_op for
BUILT_IN_MEM{CPY,PCPY,MOVE}.
2006-09-01 DJ Delorie <dj@redhat.com>
* config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
(stzx_16): Likewise.
("stzx_24_<mode>"): Likewise.
("stzx_reversed_<mode>"): Likewise, and make mode-specific.
("cmp<mode>_op"): New.
(cmp<mode>): Change to expander; just save operands.
(b<code>_op): New.
(b<code>): Change to expander, emit compare here.
(s<code>_op): Change to use split and expander.
(s<code>_24_op): Likewise.
(s<code>_<mode>): New.
(s<code>_<mode>_24): New.
(movqicc_<code>_<mode): New.
(movhicc_<code>_<mode>): New.
(s<code>): New.
(s<code>_24): New.
* config/m32c/m32c.c (compare_op0, compare_op1): New.
(m32c_pend_compare): New.
(m32c_unpend_compare): New.
(m32c_expand_scc): New.
(m32c_expand_movcc): Emit the compare also.
* config/m32c/predicates.md (mra_nopp_operand): New.
2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
Richard Guenther <rguenther@suse.de>
Adam Nemet <anemet@caviumnetworks.com>
PR middle-end/27226
* builtins.c (get_pointer_alignment): Handle more forms
of base addresses that can be used to derive more precise
information about alignment.
2006-09-01 Jason Merrill <jason@redhat.com>
PR c++/28899
* gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
want_value.
* gimplify.c (voidify_wrapper_expr): Handle null type.
2006-09-01 Josh Conner <jconner@apple.com>
PR c++/25505
* tree-nrv.c (dest_safe_for_nrv_p): New function.
(execute_return_slot_opt): Use it.
2006-08-31 Josh Conner <jconner@apple.com>
PR c++/25505
* tree-gimple.c (is_gimple_mem_rhs): Recognize functions
returning aggregates.
2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/28839
* tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
blocks in that phi arguments appear.
2006-08-31 Roger Sayle <roger@eyesopen.com>
PR other/22313
* dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
NULL, otherwise use an advance_loc4 to adjust relative to the
current label.
(output_cfi) <DW_CFA_set_loc>: Update the current label.
(dwarf2out_switch_text_section): Reset the current label to avoid
using advance_loc4 over section boundaries.
2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
PR target/24367
* config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
r12 + SYMBOLIC_CONST.
2006-08-30 Richard Guenther <rguenther@suse.de>
* Makefile.in (see.o): Add $(EXPR_H) dependency.
2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/27735
* cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
Add new argument to keep track of whether an irreducible region
was affected. All callers changed.
(fix_irreducible_loops): Removed.
(remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
flags were invalidated.
2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
instead of SF operands.
(*fop_df_comm_sse): Likewise.
(*fop_df_comm_i387): Likewise.
(*fop_df_1_mixed): Likewise.
(*fop_df_1_sse): Likewise.
2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
J"orn Rennecke <joern.rennecke@st.com>
PR tree-optimization/17506
* tree-ssa.c (warn_uninit): If warning about a location outside of
the current function, note where the variable was declared.
2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/28411
* double-int.c (double_int_div): Use double_int_divmod.
(double_int_divmod, double_int_sdivmod, double_int_udivmod,
double_int_mod, double_int_smod, double_int_umod): New functions.
* double-int.h (double_int_divmod, double_int_sdivmod,
double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
Declare.
* tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
in double_int.
(get_computation_aff, get_computation_cost_at): Handle double_int
return type of constant_multiple_of.
2006-08-28 Kazu Hirata <kazu@codesourcery.com>
PR middle-end/26632
* convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
an implicit conversion.
2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
* config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2006-08-27 Roger Sayle <roger@eyesopen.com>
* ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
x87 instructions.
2006-08-27 Kazu Hirata <kazu@codesourcery.com>
* config/i386/crtfastmath.c: Fix a comment typo.
2006-08-26 Roger Sayle <roger@eyesopen.com>
* tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
temporary visit flags on CASE_LABEL_EXPRs.
* c-common.c (match_case_to_enum): Add function comment. Avoid
O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
(c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
CASE_HIGH_SEEN for enumerated types. If the switch expression is
a constant, only warn if that constant value isn't handled.
2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
PR c++/24009
* input.h (restore_input_file_stack): Declare.
(INPUT_FILE_STACK_BITS): Define.
* toplev.c (fs_p, input_file_stack_history,
input_file_stack_restored, restore_input_file_stack): New.
(push_srcloc, pop_srcloc): Check for input_file_stack_tick
overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
(pop_srcloc): Don't free old state of stack.
2006-08-26 David Edelsohn <edelsohn@gnu.org>
PR target/27544
* doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
(PowerPC Type Attributes): New.
2006-08-26 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/xtensa.c (function_arg_boundary): New.
(function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
STACK_BOUNDARY.
* config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2006-08-26 Jakub Jelinek <jakub@redhat.com>
PR middle-end/28683
* cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3 following insns.
2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
* flow.c (verify_wide_reg): Use internal_error for consistency failure.
(verify_local_live_at_start): Likewise.
2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
PR c/27893
* gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
omp_add_variable): Treat sizes as variable whenever not
INTEGER_CST.
2006-08-26 Richard Guenther <rguenther@suse.de>
PR middle-end/28814
* fold-const.c (fold_binary): Fold temporary to correct
type before constructing new comparison.
2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
PR c/28418
* c-gimplify.c (gimplify_compound_literal_expr): Don't add
variable again if DECL_SEEN_IN_BIND_EXPR_P.
2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
PR c/28299
* c-decl.c (start_function): Don't try to process prototype
information from old declaration that isn't a function.
2006-08-25 Jan Hubicka <jh@suse.cz>
PR target/28621
* config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2006-08-25 Alan Modra <amodra@bigpond.net.au>
PR target/27075
* config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
for 8 byte objects.
2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
PR tree-optimization/16876
* c-typeck.c (c_convert_parm_for_inlining): Don't take early
exit if PARM doesn't match VALUE.
2006-08-25 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
literal_prefix directive.
(XTENSA_DECLARE_FUNCTION_SIZE): Delete.
* config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
* config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2006-08-25 David Edelsohn <edelsohn@gnu.org>
PR target/28753
* config/rs6000/rs6000.md (movcc_internal1): Change operand 1
predicate to general_operand. Add 0->y and I->r alternatives.
2006-08-25 Kazu Hirata <kazu@codesourcery.com>
* doc/tm.texi: Fix a typo.
* predict.c: Fix comment typos.
2006-08-25 Nick Clifton <nickc@redhat.com>
* config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
assertions of "cpu" and "machine".
2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/28807
* tree-ssa-operands.c (access_can_touch_variable): Don't say
the access through a base which has an alias set of 0 cannot
touch the variable.
2006-08-24 Bill Wendling <wendling@apple.com>
* doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2006-08-24 Jan Hubicka <jh@suse.cz>
* reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2006-08-24 Jan Hubicka <jh@suse.cz>
PR debug/26881
* cgraph.c: Fix comments.
(cgraph_varpool_mark_needed_node): Mark only variables not already
output to file.
* cgraphunit.c: Update comments; include gt-cgraphunit.h
(cgraph_varpool_assembled_nodes_queue): New static variable.
(cgraph_varpool_assemble_decl): Record output decls for debug out code.
(cgraph_varpool_output_debug_info): New function.
(cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
* Makefile.in: Add gt-cgraphunit.h
2006-08-24 Jan Hubicka <jh@suse.cz>
* predict.c (probability_reliable_p): New predicate.
(edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
(predict_loops): Do not predict loop exit with less than 2%
probability.
* basic-block.h (edge_probability_reliable_p,
br_prob_note_reliable_p): Declare.
* ia64.h (ia64_print_operand): Do not disable on-chip branch
prediction when static predictor is not reliable.
* rs6000.c (output_cbranch): Likewise.
2006-08-23 Stuart Hastings <stuart@apple.com>
PR 28825
* gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2006-08-21 Geoffrey Keating <geoffk@apple.com>
PR debug/28692
* dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
complex values, nor for generic vector values.
2006-08-22 Richard Guenther <rguenther@suse.de>
PR middle-end/28776
* tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
parameter. Convert arguments to arithmetic expression to the
chrecs type.
(analyze_scalar_evolution_1): Adjust caller.
2006-08-22 Jan Hubicka <jh@suse.cz>
Patch by Paolo Bonzini
* reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
my previous patch.
2006-08-22 Daniel Berlin <dberlin@dberlin.org>
PR tree-optimization/28003
* tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
before grouping aliases.
2006-08-22 Roger Sayle <roger@eyesopen.com>
* config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2006-08-21 Jason Merrill <jason@redhat.com>
PR c++/27115
* gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
wrapper. Loop to handle nested wrappers.
(gimplify_bind_expr): Remove temp parameter.
(gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
and STATEMENT_LIST on the rhs.
(gimplify_statement_list): Voidify the STATEMENT_LIST.
(gimplify_expr): Pass pre_p to gimplify_statement_list.
(gimplify_target_expr): Remove special BIND_EXPR handling.
2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
* config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
#if !__SHMEDIA__ .
2006-08-21 Olivier Hainque <hainque@adacore.com>
* gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
Arrange for the temporary captures of components overlapping the lhs
to happen before the lhs is possibly cleared.
2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
* config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
necessary places to pass the correct "number of registers" values
to _Unwind_VRS_Pop.
2006-08-20 Jan Hubicka <jh@suse.cz>
* tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
(create_name_tags): Instead of quadratic checking use hashtable.
* bitmap.h: Include hashtab.h.
(bitmap_hash): Declare.
* bitmap.c (bitmap_hash): New function.
2006-08-20 Jan Hubicka <jh@suse.cz>
PR rtl-optimization/28071
* tree-optimize.c (tree_rest_of_compilation): Do not remove edges
twice.
* tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
* ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
(cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
cgraph_decide_inlining_incrementally): Update use of
cgraph_check_inline_limits.
* cgraph.c (edge_hash, edge_eq): New function.
(cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
cgraph_edge_remove_caller, cgraph_node_remove_callees,
cgraph_remove_node): Maintain call site hash.
* cgraph.h (struct cgraph_node): Add call_site_hash.
(cgraph_set_call_stmt): New function.
2006-08-20 Jan Hubicka <jh@suse.cz>
PR rtl-optimization/28071
* reload1.c (reg_has_output_reload): Turn into regset.
(reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
choose_reload_regs, emit_reload_insns): Update to new
reg_has_output_reload.
2006-08-20 Jan Hubicka <jh@suse.cz>
PR middle-end/28779
* ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
function body sizes.
* cgraphunit.c (cgraph_analyze_function): Don't do so.
2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
PR target/28648 c:
* tree.c (handle_dll_attribute): Return early if not a
var or function decl.
2006-08-18 Joseph Myers <joseph@codesourcery.com>
PR target/27565
* config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
alignment of SPE vector types.
2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
* tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2006-08-17 Jakub Jelinek <jakub@redhat.com>
PR c/28744
* cgraph.h (struct cgraph_node): Remove externally_visible
bitfield.
* cgraphunit.c (process_function_and_variable_attributes): Set
local.externally_visible rather than externally_visible.
PR c/28744
* c-common.c (handle_externally_visible_attribute): First look
at TREE_CODE and only if it is function or var decl, check for
non-public objects. Don't warn for DECL_EXTERNAL.
* cgraphunit.c (process_function_and_variable_attributes): Warn
if externally_visible attribute is used on non-public object.
2006-08-17 Jan Hubicka <jh@suse.cz>
PR tree-optimization/27865
* reload1.c (forget_marked_reloads): New function.
(forget_old_reloads_1): When data are passed, just mark the registers
for later removal.
(reload_as_needed): Use the new mechanizm.
2006-08-17 Alexandre Oliva <aoliva@redhat.com>
PR target/28146
* reload.h (reg_equiv_alt_mem_list): New declaration.
* reload1.c (reg_equiv_alt_mem_list): New definition.
(reload): Initialize it and release it.
(delete_output_reload): Use it.
* reload.c (push_reg_equiv_alt_mem): New function.
(find_reloads_toplev): Call it.
(find_reloads_address, find_reloads_address_1): Likewise.
(find_reloads_subreg_address): Likewise.
2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
PR rtl-optimization/28489
* sched-ebb.c (begin_schedule_ready): Create basic block
at the right place.
(advance_target_bb): Skip empty blocks.
* haifa-sched.c (bb_note): Make global.
* sched-int.h (bb_note): Add prototype.
2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/27865
* tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
for pointer types.
* tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
fold_used_pointer, pointer_used_p): New functions.
(analyze_scalar_evolution_1): Use fold_used_pointer.
* tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
* tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
for pointers.
2006-08-17 Paolo Bonzini <bonzini@gnu.org>
PR c++/28573
* c-common.c (fold_offsetof_1): Add an argument and recurse down to it
or the INTEGER_CST. Fail on a CALL_EXPR.
(fold_offsetof): Pass new argument to fold_offsetof_1.
* c-parser.c (c_parser_postfix_expression): Don't include a NULL
operand into an INDIRECT_REF.
* c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
PR gcov/profile/26570
* value-prof.c (static_values): Removed.
(tree_find_values_to_profile): Do not set static_values.
(find_values_to_profile): Do not free static_values.
* profile.c (instrument_values): Do not free the values.
(branch_prob): Free the values.
2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
* config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
PR c/27697
* c-typeck.c (build_component_ref): Combine qualifiers of
structure or union and field.
2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/28071
* basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
* dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
* tree-into-ssa.c (struct dom_dfsnum): New.
(cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
functions.
(insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
compute_global_livein.
(prepare_block_for_update, prepare_use_sites_for): Mark the uses
in phi nodes in the correct blocks.
2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/28364
* tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
correctly.
(fold_affine_expr): New function.
(may_eliminate_iv): Use fold_affine_expr.
2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c/27489
* c-typeck.c (c_start_case): Handle invalid orig_type correctly.
Clean up.
2006-08-16 Mike Stump <mrs@apple.com>
* doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
* doc/cppopts.texi (-MD): Likewise.
2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
PR c/28287
* c-common.c (handle_weak_attribute): Ignore and warn if
not a FUNCTION_ or VAR_DECL.
2006-07-15 Mike Stump <mrs@apple.com>
PR c/28280
* c-parser.c (c_parser_typeof_specifier): Don't use
c_finish_expr_stmt, open code desired semantics instead.
2006-08-15 Nick Clifton <nickc@redhat.com>
* config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
fragment to tmake_file only if threads are enabled.
* config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
* config/i386/t-gthr-win32: New file. ... here.
2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c/28649
* c-parser.c (c_parser_compound_statement_nostart): Reset
parser->error after each statement.
2006-08-15 Jakub Jelinek <jakub@redhat.com>
PR middle-end/28713
* omp-low.c (lower_omp_parallel): Convert t to
receiver_decl's type.
(expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
source before comparison.
PR middle-end/28724
* gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
to itype in assignment to oldival2.
2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
PR c/27490
PR c/27489
* c-typeck.c (build_compound_expr): If the second expression
is an error mark, then just return an error mark instead of
creating a COMPOUND_EXPR.
2006-07-14 Mike Stump <mrs@apple.com>
* Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2006-08-14 Kazu Hirata <kazu@codesourcery.com>
* c-decl.c, var-tracking.c: Fix comment typos.
2006-08-14 Richard Sandiford <richard@codesourcery.com>
PR rtl-optimization/28634
* reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
for floating-point modes unless flag_unsafe_math_optimizations.
2006-08-13 Alexandre Oliva <aoliva@redhat.com>
Andrew Pinski <pinskia@physics.uc.edu>
PR c/27184
* tree.c (build_array_type): Unify array types with
unspecified index_type.
* c-decl.c (grokdeclarator): Make sure we do not modify a
unified incomplete array type.
* c-typeck.c (store_init_value): Create distinct type before
filling in the index type in an initializer from a compound
literal.
* c-decl.c (grokdeclarator): Remove code where we copy the
array type over.
2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
* tree-pass.h (TODO_update_ssa): Fix which bit is used to take
into account for TODO_dump_cgraph.
(TODO_update_ssa_no_phi): Likewise.
(TODO_update_ssa_full_phi): Likewise.
(TODO_update_ssa_only_virtuals): Likewise.
(TODO_remove_unused_locals): Likewise.
(TODO_set_props): Likewise.
(TODO_update_stmt_usage): Likewise.
2006-08-13 Dirk Mueller <dmueller@suse.de>
* c-common.c (strict_aliasing_warning): Fix formatting.
2006-08-13 Matthias Klose <doko@debian.org>
* doc/invoke.texi: Fix spelling errors.
2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
PR rtl-optimization/23454
* reorg.c (relax_delay_slots): Update comment.
2006-08-11 Richard Guenther <rguenther@suse.de>
PR middle-end/28651
* simplify-rtx.c (simplify_const_relational_operation):
Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
codes.
2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
* tree.c (build1_stat): Also propagate the TREE_CONSTANT and
TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2006-08-10 Paul Brook <paul@codesourcery.com>
* final.c (final_scan_insn): Clear current_insn_predicate before
outputting inline asm.
2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
PR tree-optimization/26197
* tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
get_ref_base_and_extent and overlap_subvar to add only relevant
subvars as may-aliases.
(add_may_alias_for_new_tag): New function, factored out of
new_type_alias.
* tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
with additional argument.
* tree-flow.h (new_type_alias): Takes additional argument.
2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
* gcov.c (no_data_file): New flag.
(read_count_file): Set it if data file not present. Assume counts
zero if not found.
(output_lines): Don't name the data file, if there wasn't one.
2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
* config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
(rs6000_generate_compare): Tweak comments.
* config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2006-08-09 Alexandre Oliva <aoliva@redhat.com>
* var-tracking.c (enum micro_operation_type): Add MO_COPY.
(var_debug_decl): New function.
(var_reg_set): Follow debug decl link. Add location even if
reg is already known to hold some other variable.
(var_mem_set): Follow debug decl link.
(var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
decl link. Delete other known locations of the variable part
if requested.
(var_reg_delete, var_mem_delete): Delete other known locations
of the variable part if requested.
(same_variable_part_p): New function.
(add_stores): Select MO_COPY when appropriate.
(vt_initialize): Handle it.
(compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
known locations for MO_SET and MO_CLOBBER.
(find_variable_location_part): New function.
(set_variable_part, delete_variable_part): Use it.
(clobber_variable_part): New function.
* dwarf2out.c (dwarf2out_var_location): Do not follow debug
decl link.
2006-08-07 Victor Kaplansky <victork@il.ibm.com>
PR tree-optimization/26969
* tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
with an empty list of PHIs.
2006-08-06 Paolo Bonzini <bonzini@gnu.org>
PR target/27827
* conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
instructions.
2006-08-06 Andreas Schwab <schwab@suse.de>
* config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
string. Whitespace and comment fixup.
2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c/28502
* c-decl.c (validate_proto_after_old_defn): Return false on invalid
argument.
PR c/27721
* c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
PR c/28136
* c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2006-08-04 Jan Hubicka <jh@suse.cz>
PR target/26655
PR target/28270
* reload.c (push_reload): Patch out the mismatching instruction;
return early.
(find_reload): Bail out if the instruction was patched out.
2006-08-04 Jan Hubicka <jh@suse.cz>
PR tree-optimization/24888
* tree-inline.c (expand_call_inline): Do not re-record variables.
(declare_inline_vars): Add variable to unexpanded_var_list.
2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
Roger Sayle <roger@eyesopen.com>
PR rtl-optimization/26244
* cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
inner_const are negative or greater than or equal to the bitsize of
MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
CONST0_RTX (mode) when the new shift count is greater than or equal to
to the bitsize of the object being shifted and XEXP (y, 0) has no side
effects.
2006-08-04 Kazu Hirata <kazu@codesourcery.com>
* tree-cfg.c: Fix a comment typo.
2006-08-03 Mark Mitchell <mark@codesourcery.com>
PR c++/28148
* varasm.c (output_constant): Give the front end another chance to
expand constants, after stripping NOPs.
2006-08-03 Jan Hubicka <jh@suse.cz>
* domwalk.c (walk_dominator_tree): Reorganize to non-recursive
implementation.
2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
PR tree-optimization/27770
* tree-vectorizer.h (get_vectype_for_scalar_type): Function
declaration removed (moved to tree-flow.h).
(vect_can_force_dr_alignment_p): Likewise.
* tree-flow.h (get_vectype_for_scalar_type): New function declaration
(moved from tree-vectorizer.h).
(vect_can_force_dr_alignment_p): Likewise.
* tree-vectorizer.c (vect_print_dump_info): Allow calling this function
from outside the vectorizer - in particular from cgraph stage.
* tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
the alignment of global arrays when -fsection-anchors is enabled.
* cgraphunit.c (cgraph_increase_alignment): New function.
(cgraph_optimize): Call cgraph_increase_alignment.
2006-08-03 David Edelsohn <edelsohn@gnu.org>
PR target/27566
* config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
not reload a SPE symbol_ref into a lo_sum address.
2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
PR debug/28063
* dwarf2out.c (prune_unused_types_prune): Move call to
prune_unused_types_update_strings to cover the parent DIE also.
2006-08-02 Jan Hubicka <jh@suse.cz>
PR gcov/profile/28480
* tree-cfg.c (change_bb_for_stmt): New function.
(tree_merge_blocks, tree_split_blocks): Use it.
2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c++/28250
PR c++/28257
PR c++/28259
PR c++/28267
* toplev.c (compile_file): Return early on errorcount or sorrycount.
* cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
(cgraph_optimize): Likewise.
2006-08-01 Stuart Hastings <stuart@apple.com>
* rtl.h (UINTVAL) New.
* config/rs6000/rs6000.c (SMALL_INT) Use it.
* testsuite/gcc.dg/20060801-1.c: New.
2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
PR debug/23336
* c-typeck.c (build_external_type): Mark used enum types.
* dwarf2out.c (dwarf2out_abstract_function): Save and restore
cfun also.
(gen_subprogram_die): Whitespace fix.
2006-08-01 Jan Hubicka <jh@suse.cz>
* tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
bitmap when not needed.
* tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
bitmaps.
2006-08-01 Dirk Mueller <dmueller@suse.de>
* tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
* Makefile.in: Revert part of previous patch:
Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
and REGS_H.
2006-07-30 Eric Christopher <echristo@apple.com>
PR target/27543
* doc/extend.texi (i386 Variable Attributes): Add anchor.
(PowerPC Variable Attributes): New section.
2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
PR target/28126 (partial fix)
* config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2006-07-28 Jan Hubicka <jh@suse.cz>
PR rtl-optimization/28071
* cfgrtl.c (rtl_delete_block): Free regsets.
* flow.c (allocate_bb_life_data): Re-use regsets if available.
2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
* Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
and variables used in dependencies.
2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
* config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
%fs for -mcmodel=kernel.
(stack_tls_protect_test_di): Likewise.
2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
* Makefile.in: Use mkinstalldirs.
2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
PR driver/28437
* opts-common.c (prune_options): Skip joined switches.
2006-07-27 Jan Hubicka <jh@suse.cz>
PR rtl-optimization/28071
* cselib.c (cselib_process_insn): Don't remove useless values too
often for very large hashtables.
2006-07-27 Jan Hubicka <jh@suse.cz>
PR rtl-optimization/28071
* global.c (greg_obstack): New obstack.
(allocate_bb_info): Use it.
(free_bb_info): Likewise.
(modify_reg_pav): Likewise.
2006-07-27 Roger Sayle <roger@eyesopen.com>
* builtins.c (fold_fixed_mathfn): When long and long long are the
same size, canonicalize llceil*, llfloor*, llround* and llrint*
functions to their lceil*, lfloor*, lround* and lrint* forms.
2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
PR gcc/28508
* config/m32r/m32r.md (branch_insn): Reduce pc range for short
branch.
(rev_branch_insn): Likewise.
2006-07-27 Jan Hubicka <jh@suse.cz>
PR rtl-optimization/28071
* regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
(reg_set_in_bb, max_reg_computed): New static variables.
(regmove_optimize): Free the new array.
(fixup_match_1): Update call of reg_is_remote_constant_p.
2006-07-26 Jan Hubicka <jh@suse.cz>
PR tree-optimization/27882
* cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
and decl fields.
* cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
next pointer
(cgraph_analyze_compilation_unit): Likewise.
* ipa.c (cgraph_remove_unreachable_nodes): Likewise.
* ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
(cgraph_early_inlinine): Make order garbage collected.
* Makefile.in (gt-ipa-inline): New garbagecollected file.
2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
* dbxout.c (output_types_sort): Add a comment.
(output_used_types): Free the VEC.
2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
* function.c (reorder_fix_fragments): Delete.
(reorder_blocks): Don't call it.
(reorder_blocks_1): Put all subblocks under the origin block.
2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/27907
* expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
FLOAT_TRUNCATE.
2006-07-25 Roger Sayle <roger@eyesopen.com>
PR middle-end/28473
* convert.c (convert_to_integer): When transforming (T)foo(x) into
bar(x) check that bar's result type can represent all the values of T.
2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
* tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2006-07-25 Nick Clifton <nickc@redhat.com>
* ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
size_lookup[] array.
(ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
(ggc_pch_count_object): Likewise.
(ggc_pch_alloc_object): Likewise.
(ggc_pch_write_object): Likewise.
(init_ggc): Do not attempt to initialize entries in the
size_lookup[] array for objects whose size is greater than than
the length of the array.
2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
* dbxout.c (output_used_types_helper): Push queued types
on a VEC.
(output_types_sort): New.
(output_used_types): Collect used types on a VEC and sort them
before emission.
2006-07-24 Richard Guenther <rguenther@suse.de>
PR middle-end/28463
* cgraph.c (cgraph_remove_node): Do not check if dumps
are enabled.
* cgraphunit.c (cgraph_optimize): Likewise.
2006-07-24 Jan Hubicka <jh@suse.cz>
PR rtl-optimization/28071
* tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
* tree-iterator.c (tsi_split_statement_list_before): Do not crash when
splitting before first stmt.
2006-07-24 Jan Hubicka <jh@suse.cz>
PR rtl-optimization/28071
* ipa-inline.c (update_caller_keys): Remove edges that
are no longer inline candidates.
2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
PR debug/27473
* dbxout.c (output_used_types_helper, output_used_types): New.
(dbxout_symbol): Call output_used_types.
2006-07-23 Jan Hubicka <jh@suse.cz>
PR c/25795
PR c++/27369
* cgraph.c (cgraph_varpool_nodes): Export.
(decide_is_variable_needed): Ignored "used" attribute in
unit-at-a-time mode.
* cgraph.h (cgraph_varpool_nodes): Declare.
* cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
unit-at-a-time mode.
2006-07-23 Roger Sayle <roger@eyesopen.com>
PR target/28247
* gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
the __gthrw form of thr_keycreate.
(__gthread_key_delete): Silence the unused argument warning.
2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
PR debug/25468
* config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
Cache the last found '\0' marker to avoid quadratic behavior.
2006-07-23 Jan Hubicka <jh@suse.cz>
* i386.md (subsi_3_zext): Fix output template.
2006-07-21 Mike Stump <mrs@apple.com>
* doc/invoke.texi (C++ Dialect Options): Note that
-fvisibility-inlines-hidden doesn't affect explicitly
instantiationed inline methods.
2006-07-20 Roger Sayle <roger@eyesopen.com>
* config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
if the target assembler is GNU binutils' gas.
* config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
whether to pass GNU gas or native as command line options.
2006-07-20 Jason Merrill <jason@redhat.com>
* tree.c (remove_attribute): New fn.
* tree.h: Declare it.
2006-07-20 Paul Brook <paul@codesourcery.com>
PR 27363
* cse.c (cse_insn): Add destination addresses to hash table. Check if
they are invalidated by this instruction.
2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
PR target/28427
* config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2006-07-20 Eric Christopher <echristo@apple.com>
PR target/26877
* config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2006-07-19 Eric Christopher <echristo@apple.com>
* config/t-slibgcc-darwin (stmp-lipo): Remove.
Rewrite dependencies for libgcc_s.1.dylib.
2006-07-19 Jakub Jelinek <jakub@redhat.com>
* except.c (duplicate_eh_regions_1): Clear next_peer.
2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
* doc/invoke.texi (RS/6000 and PowerPC Options): Document that
-mlongcall does not guarantee all calls will be long.
* doc/extend.texi (long_call/short_call): Document that longcall
does not guarantee a long call will be used.
(longcall/shortcall): Likewise.
2006-07-18 Roger Sayle <roger@eyesopen.com>
PR middle-end/28283
* expmed.c (expand_shift): Additionally check that the shift_cost
is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
before implementing a LSHIFT_EXPR as a sequence of additions.
* config/sh/sh.c (shift_costs): Return MAX_COST to inform the
middle-end that DImode shifts need to be synthesized by expand.
2006-07-18 Diego Novillo <dnovillo@redhat.com>
PR 28410
* tree-ssa-operands.c (access_can_touch_variable): Update
comment.
Return true if ALIAS is .GLOBAL_VAR.
2006-07-18 David Daney <ddaney@avtrex.com>
* gcc.c (display_help): Fix typo in help text.
2006-07-18 Olivier Hainque <hainque@adacore.com>
* tree.h (categorize_ctor_elements): Adjust prototype and add
descriptive comment, both in accordance with the interface change
described below.
* varasm.c (constructor_static_from_elts_p): New function.
Whether a constructor node is a valid static constant initializer
if all its elements are.
(initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
* output.h: Declare it.
* expr.c (categorize_ctor_elements_1): Return whether the constructor
is a valid constant initializer instead of computing the number of
non-constant elements. Use constructor_static_from_elts_p for this
purpose. Replace the head comment with an indication that this is a
helper for categorize_ctor_elements.
(categorize_ctor_elements): Same interface change as for the _1
helper. Former head comment from this helper moved here, adjusted to
account for the interface changes.
(mostly_zeros_p): Adjust call to categorize_ctor_elements.
(all_zeros_p): Likewise.
* gimplify.c (gimplify_init_constructor): Decide whether we can make
static versions of the constructor from the categorize_ctor_elements
return value instead of the formerly computed number of non-constant
elements.
2006-07-18 Paolo Bonzini <bonzini@gnu.org>
* configure: Regenerate.
* Makefile.in (build_libsubdir): New configure substitution
(build_libobjdir): New variable.
(BUILD_LIBIBERTY): Use it.
2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c/28286
* c-pragma.c (handle_pragma_pack): Handle invalid constants.
2006-07-18 Alexandre Oliva <aoliva@redhat.com>
PR c/26993
* c-common.c (handle_weakref_attribute): Ignore attribute in
the same conditions the alias attribute is ignored.
2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
* dbxout.c (dbxout_function_end): Do not increment scope_labelno.
(dbxout_begin_prologue): Increment scope_labelno.
2006-07-17 Richard Henderson <rth@redhat.com>
PR 27889
* tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
if needed.
2006-07-17 Roger Sayle <roger@eyesopen.com>
Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
* config/i386/gmon-sol2.c: Silence compilation warnings by partially
synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
blocks. #include "tconfig.h" and "tsystem.h" to prototype system
functions such as sbrk, write, etc.. Add function prototypes.
Convert function declarations from K&R to ISO C. Cast pointers
to "long" and "unsigned long" instead of "int" and "unsigned int".
Convert tokens following #endif into comments.
2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
* invoke.texi: Remove mention of f77; Reformat table for
inline parameter options correctly; mention that -malign-double
is default on x86-64 targets.
2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
* tree-chrec.c (avoid_arithmetics_in_type_p): New.
(convert_affine_scev, chrec_convert_aggressive): Use
avoid_arithmetics_in_type_p. Do not check for the subtypes
separately.
2006-07-17 Richard Sandiford <richard@codesourcery.com>
PR middle-end/28403
* optabs.c (expand_doubleword_shift): Wrap the call to
do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2006-07-17 Richard Sandiford <richard@codesourcery.com>
PR middle-end/28402
* optabs.c (expand_binop): Pass next_methods rather than methods
to expand_doubleword_shift.
2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
PR other/28251
* tree.h (dump_addr): Declare.
* print-tree.c (dump_addr): New function.
(print_node_brief, print_node): Use it.
* print-rtl.c (print_rtx): Likewise.
* common.opt (-fdump-noaddr): New option.
* doc/invoke.texi (-fdump-noaddr): Document.
* loop-unroll.c (si_info_hash): Make hash independent of addresses.
(ve_info_hash): Likewise.
2006-07-13 Andrew Haley <aph@redhat.com>
PR tree-optimization/19505
* tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
edge leaving this block, make sure that the destination of this
block has only one predecessor.
2006-07-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/28238
* tree-inline.c (copy_bb): Check if we produced valid
gimple copying and substituting a stmt. If not, gimplify
it.
2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
* optabs.c (maybe_encapsulate_block): New function extracted from...
(emit_libcall_block): ...here. Invoke it on the block of insns to
maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
(emit_no_conflict_block): Likewise.
2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
* doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2006-07-15 Roger Sayle <roger@eyesopen.com>
* tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
a new NOP_EXPR case of the switch statement.
2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
PR middle-end/28160
* stor-layout.c (place_field): Take the bit field with
an excessive size into account in the ms-bitfiled case.
PR middle-end/28161
* stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
the previous bit field.
2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
PR target/27287
* config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
* config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
signal frames correctly even when the signal was installed with
sa_restorer set.
2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
* dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
(dbxout_function_end): Use local label LFBB. Remove hook
DBX_OUTPUT_NFUN.
(dbxout_source_line): Use local label LFBB.
(dbxout_block): Likewise.
(dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
(dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
* config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
and DBX_OUTPUT_NFUN.
2006-07-13 Janis Johnson <janis187@us.ibm.com>
* doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2006-07-13 Jan Hubicka <jh@suse.cz>
* cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
align_variable.
* output.h (align_variable): Declare.
* varasm.c (align_variable): Export.
* value-prof.c (tree_value_profile_transformations): Recompute iterator
when basic block changed.
2006-07-13 Nick Clifton <nickc@redhat.com>
* config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
walking the LOG_LINKS chain.
2006-07-12 Geoffrey Keating <geoffk@apple.com>
* doc/invoke.texi (C++ Dialect Options): Explain difference
between -fvisibility-inlines-hidden and setting hidden
visibility explicitly.
2006-07-12 Eric Christopher <echristo@apple.com>
* config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
(stmp-lipo): Depend on libgcc.a.
2006-07-12 Kazu Hirata <kazu@codesourcery.com>
* tree.c: Fix a comment typo.
2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
* config/m32c/muldiv.md (umulhisi3_c): Use only registers for
dest.
(umulhisi3_r): Likewise.
2006-07-12 Paolo Carlini <pcarlini@suse.de>
PR libstdc++/27878
* doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
x < 19, vs wchar_t support.
2006-07-12 Nick Clifton <nickc@redhat.com>
* config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
instead of -isa=sh4.
2006-07-12 Mike Stump <mrs@apple.com>
* protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2006-07-10 Eric Christopher <echristo@apple.com>
* config/t-slibgcc-darwin: Rewrite.
2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
PR bootstrap/20437
* Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
dependencies.
2006-07-08 Matthias Klose <doko@debian.org>
* doc/sourcebuild.texi: Fix typo.
2006-07-07 Mike Stump <mrs@apple.com>
* toplev.c (process_options): Don't give -ffunction-sections may
affect debugging warning for Mach-O.
2006-07-07 James E Wilson <wilson@specifix.com>
* config/mips/mips.md (cpu): Add sb1a.
* config/mips/sb1.md: Modify almost all patterns to accept sb1a in
addition to sb1. Adjust comments to clarify SB-1A differences from
SB-1.
(ir_sb1a_load): New. Modify bypasses to use it.
(ir_sb1a_simple_alu): Likewise.
* config/mips/mips.c (mips_cpu_info_table): Add sb1a.
(mips_rtx_cost_data): Add PROCESSOR_SB1A support.
(mips_issue_rate): Add PROCESSOR_SB1A.
(mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
* config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
(TARGET_SB1): Add PROCESSOR_SB1A check.
(TUNE_SB1): Likewise.
* config/mips/mips-protos.h (mips_store_data_bypass_p): New.
* config/mips/mips.c (mips_store_data_bypass_p): New.
* config/mips/sb1.md: Use mips_store_data_bypass_p instead of
store_data_bypass_p.
2006-07-08 Paul Brook <paul@codesourcery.com>
PR target/27991
* config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2006-07-07 Richard Guenther <rguenther@suse.de>
PR middle-end/28268
* tree.h (build_one_cst): Declare.
* tree.c (build_one_cst): New function.
* tree-ssa-math-opts.c (get_constant_one): Remove.
(insert_reciprocals): Use build_one_cst.
* fold-const.c (fold_plusminus_mult): Likewise.
2006-07-07 Roger Sayle <roger@eyesopen.com>
* pointer-set.c (pointer_set_destroy): Correct whitespace.
* cfgloopanal.c (dump_graph): Likewise.
* dojump.c (discard_pending_stack_adjust): Likewise.
* fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
Likewise.
* alloc-pool.c (dump_alloc_pool_statistics): Likewise.
* function.c (finalize_block_changes): Likewise.
* gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
* tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
* rtl.c (dump_rtx_statistics): Likewise.
* tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
Likewise.
* varray.c (dump_varray_statistics): Likewise.
* dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
decode_decimal64, encode_decimal128, decode_decimal128,
decimal_real_to_decimal): Likewise.
2006-07-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/28187
* tree-vrp.c (vrp_operand_equal_p): New function.
(vrp_bitmap_equal_p): Likewise.
(update_value_range): Use them to compare old and new
max and min values.
2006-07-06 Roger Sayle <roger@eyesopen.com>
* c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
a default case to switch statement to silence compiler warnings.
2006-07-06 Roger Sayle <roger@eyesopen.com>
PR target/27968
* configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
the configured assembler supports the x87's ffreep mnemonic.
* configure: Regenerate.
* config.in: Regenerate.
* config/i386/i386.c (output_387_ffreep): New function.
(output_fp_compare): Use output_387_ffreep to emit ffreep insns.
(output_387_reg_move): Likewise.
2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
Port to hosts whose 'sort' and 'tail' implementations
treat operands with leading '+' as file names, as POSIX
has required since 2001. However, make sure the code still
works on pre-POSIX hosts.
* Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
which says you should use "tail -c +N" rather than "tail +Nc".
Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
argument name.
2006-07-06 David Edelsohn <edelsohn@gnu.org>
PR target/28150
* config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
PRE_{INC,DEC} of TFmode.
2006-07-06 David Edelsohn <edelsohn@gnu.org>
Alan Modra <amodra@bigpond.net.au>
PR target/28170
* config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
bounds. Simplify.
2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
PR target/28285
* config/alpha/predicates.md (alpha_swapped_comparison_operator):
Remove duplicate gtu.
2006-07-05 Jason Merrill <jason@redhat.com>
PR c++/13983
PR c++/17519
* stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
* c-common.c (handle_packed_attribute): So don't copy it here.
* c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2006-07-05 Mike Stump <mrs@apple.com>
* doc/invoke.texi (Invoking G++): Clarify prose for g++.
2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
PR target/26146
* config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2006-07-05 Richard Guenther <rguenther@suse.de>
PR target/28158
* config/i386/i386.md (*negdf2_1): Restrict pattern to
TARGET_SSE2 targets if using SSE math.
(*absdf2_1): Likewise.
2006-07-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/28162
* fold-const.c (fold_binary): For (-A) * (-B) -> A * B
make sure to convert the operands to the correct type.
2006-07-04 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/28218
* tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
to calculate and free the dominator information.
2006-07-04 Peter O'Gorman <peter@pogma.com>
* mklibgcc.in: chmod 644 before ranlib during install.
2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
J"orn Rennecke <joern.rennecke@st.com>
* configure.ac (.eh_frame data check): Use diff -b.
2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
PR bootstrap/18058
* Makefile.in (BUILD_RTL): Add build/vec.o.
(build/gencondmd.o): Filter out -fkeep-inline-functions.
(build/genextract): Delete.
(build/genautomata): Likewise.
2006-07-04 Alan Modra <amodra@bigpond.net.au>
PR target/28207
* config/rs6000/rs6000.c (function_arg_boundary): Double-word align
128-bit IBM long doubles for ABI_V4.
2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
* tree.c (range_in_array_bounds_p): New predicate.
* tree.h (range_in_array_bounds_p): Declare it.
* tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
return a less conservative answer.
* tree-sra.c (struct sra_elt): Add new pointer field 'groups'
and flag 'is_group'.
(IS_ELEMENT_FOR_GROUP): New macro.
(FOR_EACH_ACTUAL_CHILD): Likewise.
(next_child_for_group): New helper function.
(can_completely_scalarize_p): Take into account groups.
(sra_hash_tree): Handle RANGE_EXPR.
(sra_elt_eq): Likewise.
(lookup_element): Be prepared for handling groups.
(is_valid_const_index): Delete.
(maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
instead of is_valid_const_index.
<ARRAY_RANGE_REF>: New case.
(sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
is_valid_const_index.
<ARRAY_RANGE_REF>: Do not unconditionally punt.
(scan_dump): Dump info for groups too.
(decide_instantiation_1): Likewise.
(decide_block_copy): Assert that the element is not a group.
Propagate decision to groups.
(generate_one_element_ref): Handle RANGE_EXPR.
(mark_no_warning): Iterate over actual childs.
(generate_copy_inout): Likewise.
(generate_element_copy): Likewise.
(generate_element_zero): Likewise.
(generate_element_init_1): Likewise.
(dump_sra_elt_name): Handle RANGE_EXPR.
2006-07-03 Roger Sayle <roger@eyesopen.com>
PR tree-optimization/26251
* tree-ssa-threadupdate.c (redirection_block_p): New function.
(thread_block): When optimizing for size refuse to thread jumps
that would require duplication of blocks other than redirection
blocks.
2006-07-03 Paolo Bonzini <bonzini@gnu.org>
* configure.ac: Fix thinko in previous check-in.
* configure: Regenerate.
2006-07-03 Paolo Bonzini <bonzini@gnu.org>
PR other/27063
* configure.ac (for lang...): Simplify nesting of conditionals.
Test subdir_requires for non-enabled languages. Move processing
of lang_opt_files and lang_tree_fiels below that test.
* configure: Regenerate.
* doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2006-07-01 Martin Michlmayr <tbm@cyrius.com>
* doc/gcov.texi (Invoking Gcov): Add a missing word.
2006-06-30 Kazu Hirata <kazu@codesourcery.com>
* cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
comment typos.
2006-06-29 Jason Merrill <jason@redhat.com>
PR c++/26905
PR c++/26612
PR c++/27000
PR c++/26984
PR c++/19134
* tree.c (build_decl_stat): Don't hande #pragma visibility here.
* c-common.c (c_determine_visibility): Handle it here.
* c-decl.c (finish_decl): Call c_determine_visibility for
functions, too.
* flags.h (enum symbol_visibility): Sort from most to least visibility.
* tree.h: Likewise.
* varasm.c (default_assemble_visibility): Likewise.
* c-common.c (handle_visibility_attribute): Complain about trying
to give visibility to an already defined class, or trying to change
declared visibility. Always attach the attribute.
PR c++/26905
PR c++/21675
PR c++/17470
* attribs.c (decl_attributes): Ignore type-in-place attributes
once the type has been defined.
2006-06-29 Roger Sayle <roger@eyesopen.com>
PR middle-end/27428
* c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
to indicate the cpplib has issued an error message for us.
2006-06-29 Asher Langton <langton2@llnl.gov>
PR target/25765
* config/i386/i386.c (ix86_output_function_epilogue): Don't
insert a label at the end of an function under Mach-O.
2006-06-29 Eric Christopher <echristo@apple.com>
Evan Cheng <evan.cheng@apple.com>
* predicates.md (vector_all_ones_operand): New.
(nonimmediate_or_sse_const_operand): Ditto.
* config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
* config/i386/i386.c (standard_sse_constant_opcode): Define.
(standard_sse_mode_p): Ditto.
(standard_sse_constant_p): Add case for -1 vector.
(ix86_expand_vector_move): Try to use.
* sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
Call standard_sse_constant_opcode.
(*movv4sf_internal): Ditto.
(*movv2df_internal): Ditto.
2006-06-29 Roger Sayle <roger@eyesopen.com>
* genpreds.c (write_match_code_switch): Correctly use XSTR instead
of XEXP to extract the operands of a MATCH_CODE rtx.
2006-06-28 Andrew Pinski <pinskia@gmail.com>
* tree.c (tree_size): Do not waste tail padding in
struct tree_string and make the size be the same as
build_string will generate.
2006-06-28 Jason Merrill <jason@redhat.com>
PR c++/27768
* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
may_aliases already in the tag's annotations to the bitmap.
2006-06-28 Roger Sayle <roger@eyesopen.com>
* genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2006-06-28 Roger Sayle <roger@eyesopen.com>
* genpreds.c (generate_switch_p): New function.
(add_mode_tests): Push the new mode test down inside an AND expr
if this allows the switch-suitable MATCH_CODE to be near the root.
(write_match_code_switch): New function to write a MATCH_CODE as
a switch statement.
(write_predicate_stmts): New function to write a predicate RTX
expression as a sequence of statements.
(write_one_predicate_function): Use write_predicate_stmts.
(write_tm_constrs_h): Likewise.
2006-06-26 Fred Fish <fnf@specifix.com>
* config/mips/t-sb1: New file.
* config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
tmake_file list.
2006-06-26 DJ Delorie <dj@redhat.com>
* config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
Jayant Sonar <jayants@kpitcummins.com>
Jaydeep Vipradas <jaydeepv@kpitcummins.com>
* config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
(subsi3, subsi3_1, subsi3_2): New.
* config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
* config/m32c/mov.md (SI mov peephole): New.
* config/m32c/m32.c (m32c_immd_dbl_mov): New.
* config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2006-06-26 Olivier Hainque <hainque@adacore.com>
* function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
a CALL_EXPR target function declaration.
2006-06-26 Richard Guenther <rguenther@suse.de>
* tree.c (build_string): Do not waste tail padding in
struct tree_string.
2006-06-26 Richard Guenther <rguenther@suse.de>
* ggc-page.c (init_ggc): Add missing element to size_lookup
table.
Revert
2006-06-23 Richard Guenther <rguenther@suse.de>
* ggc-page.c (init_ggc): Do not round up the extra_order_size_table
sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
alignment requests instead. Add verification code.
Add struct tree_function_decl and struct tree_binfo size to
extra_order_size_table. Add missing element to size_lookup
table.
2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
PR middle-end/28151
* fold-const.c (const_binop): Be prepared for self returning zero.
Simplify code handling complex values.
2006-06-24 Olivier Hainque <hainque@adacore.com>
* gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
(gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
aggregate types.
2006-06-24 Olivier Hainque <hainque@adacore.com>
* tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
ARRAY_REF, so have the callback called for the low bound expression.
2006-06-23 Janis Johnson <janis187@us.ibm.com>
* tree.h (DECIMAL_FLOAT_TYPE_P): New.
* c-typeck.c (c_common_type): Disallow operations on decimal float
types and other float types.
* convert.c (convert_to_real): Don't ignore conversions involving
decimal float types.
2006-06-23 Olivier Hainque <hainque@adacore.com>
* tree.c (max_int_size_in_bytes): New function, inspired from
code in function.c:assign_temp.
* tree.h (max_int_size_in_bytes): Declare.
* function.c (assign_temp): Use it.
* gimplify.c (create_tmp_var): Relax the assertions on the type
properties, not mandating constant size any more.
(force_constant_size): New static function.
(gimple_add_tmp_var): Use it, forcing variable size to a
constant upper bound if it is not constant on entry.
2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
PR target/27789
* config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
for initialization and setting of one_only flag to ...
(i386_pe_encode_section_info): ...here.
(i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
Recheck that the symbol has not been defined.
2006-06-23 Richard Guenther <rguenther@suse.de>
* ggc-page.c (init_ggc): Do not round up the extra_order_size_table
sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
alignment requests instead. Add verification code.
Add struct tree_function_decl and struct tree_binfo size to
extra_order_size_table. Add missing element to size_lookup
table.
2006-06-22 Roger Sayle <roger@eyesopen.com>
John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR middle-end/28131
* expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
call to lang_hooks.types.type_for_mode returned NULL_TREE.
2006-06-23 Ben Elliston <bje@au.ibm.com>
* dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
negate dn -- manipulate it directly.
2006-06-22 Roger Sayle <roger@eyesopen.com>
Steven Bosscher <stevenb.gcc@gmail.com>
PR target/27531
* reload1.c (gen_reload): Call mark_jump_label on the new insns
generated by gen_move_insn to add REG_LABEL notes if necessary.
2006-06-22 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
(leaf_entry): Remove use of MIN_ESA.
2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/28121
* cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
the entry edge.
2006-06-21 DJ Delorie <dj@redhat.com>
* config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
(TN-16C-A156A/E).
(mulhisi3_r): Likewise.
2006-06-21 Richard Sandiford <richard@codesourcery.com>
PR middle-end/28034
* coverage.c (coverage_counter_alloc): Leave the index type
unspecified.
(coverage_counter_alloc): Use null arguments for operands 2 and 3
of the ARRAY_REF.
2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
* doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
section from the "Options for Code Generation Conventions".
2006-06-21 Richard Henderson <rth@redhat.com>
PR target/26347
PR target/27082
* config/alpha/predicates.md (small_symbolic_operand): Deny weak
symbols.
(global_symbolic_operand): Allow weak symbols, even if local_p.
2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
(find_interesting_uses_address): Punt if above function returns true.
2006-06-21 Richard Guenther <rguenther@suse.de>
* configure: Regenerated.
2006-06-21 Joseph Myers <joseph@codesourcery.com>
* config/mips/mips.c (function_arg): Where one part of a
complex argument is in registers and the other part in the stack,
return a REG not a PARALLEL.
2006-06-21 Mark Mitchell <mark@codesourcery.com>
* configure.ac: Set gcc_gxx_include_dir to $target/include/c++
when cross-compiling. Do not substitute libstdcxx_incdir.
* configure: Regenerated.
2006-06-21 Jakub Jelinek <jakub@redhat.com>
* varasm.c (mergeable_string_section): Check for embedded NULs and
NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
rather than TREE_STRING_LENGTH bytes.
2006-06-21 Richard Guenther <rguenther@suse.de>
* ggc-page.c (extra_order_size_table): Add var_ann_d,
tree_ssa_name, bitmap_element and phi_node with 4 arguments
sizes.
2006-06-21 Richrad Guenther <rguenther@suse.de>
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Limit iteration over the dominators.
2006-06-20 Roger Sayle <roger@eyesopen.com>
* config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
(SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2006-06-20 Richard Guenther <rguenther@suse.de>
Michael Matz <matz@suse.de>
* alloc-pool.h (free_alloc_pool_if_empty): Prototype new
function.
* alloc-pool.c (free_alloc_pool_if_empty): New function.
* et-forest.h (et_free_pools): Prototype new function.
* et-forest.c (et_free_tree_force): Free parent occurrence.
(et_free_pools): New function.
* dominance.c (free_dominance_info): Free et-forest alloc
pools.
2006-06-20 Roger Sayle <roger@eyesopen.com>
* expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
integer modes, attempt to directly construct an integer constant.
* fold-const.c (native_encode_vector): Determine the size of each
element from the vector type instead of the first vector element.
* tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
if all of its elements/components are constant.
(build_constructor_from_list): Likewise.
2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/27331
* tree-data-ref.c (free_data_ref): New function.
(create_data_ref): Fail if the data reference has unknown access
function.
(free_data_refs): Use free_data_ref.
2006-06-19 Andrew Pinski <pinskia@gmail.com>
PR middle-end/28075
* tree-inline.c (setup_one_parameter): Strip useless
type conversion before adding it to the IR.
(declare_return_variable): Likewise.
2006-06-19 Martin Michlmayr <tbm@cyrius.com>
PR c/27149
* c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2006-06-19 Mike Stump <mrs@apple.com>
* tree.c (variably_modified_type_p): VM arguments don't make the
type a VM type.
2006-06-19 Richard Guenther <rguenther@suse.de>
* tree-ssa-pre.c (try_combine_conversion): Strip useless
type conversions after folding.
2006-06-19 Richard Guenther <rguenther@suse.de>
* ggc-page.c (extra_order_size_tab): Add entries with
size of struct function and basic_block.
(size_lookup): Extend to cover sizes up to 511.
(ggc_alloc_stat): Adjust user.
(ggc_pch_count_object): Likewise.
(ggc_pch_alloc_object): Likewise.
(ggc_pch_write_object): Likewise.
2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-niter.c (implies_ge_p): New function.
(derive_constant_upper_bound): Handle OP0 - CST in unsigned types
correctly.
2006-06-19 Denis Chertykov <denisc@overta.ru>
* config/avr/libgcc.S : Correct my wrong previous commit.
2006-06-19 Roger Sayle <roger@eyesopen.com>
PR target/27861
* expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
have stripped a SUBREG from the shift count, so we may need to
convert_to_mode back to the type's mode before calling make_tree.
Use new_amount instead of amount to avoid expanding a tree twice.
2006-06-19 Richard Guenther <rguenther@suse.de>
PR middle-end/28045
* fold-const.c (operand_equal_p): Check if the argument types
have the same precision before stripping NOPs.
2006-06-19 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/27341
* tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
statement we get.
* tree-complex.c (pass_lower_complex): Update SMT usage.
2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
Add a new alternative to the constraint strings. Add move of
operand 1 to 3 to the splitter definition.
("doloop_si_long"): Second contraint alternative removed.
2006-06-08 Anatoly Sokolov <aesok@post.ru>
* config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
(TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
__AVR_HAVE_LPMX__.
(AVR_HAVE_MOVW) Define.
(ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
(ASM_SPEC): Add avr25.
(LINK_SPEC): Add avr25.
* config/avr/avr.c (avr_have_movw_lpmx_p): Add.
(base_arch_s): Add new member 'have_movw_lpmx'.
(avr_arch_types): Init 'have_movw_lpmx'.
(avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
(avr_override_options): Init 'avr_have_movw_lpmx_p'.
(output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
AVR_HAVE_MOVW.
(avr_file_start): Do not output '.arh' derective.
* config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
(__do_copy_data): Use __AVR_HAVE_LPMX__.
* config/avr/avr.md (mcu_enhanced): Delete.
(mcu_have_movw): Define.
(negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
(call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
* config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
(MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
attiny861 and at86rf401 devices.
2006-06-18 Jie Zhang <jie.zhang@analog.com>
* config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
of 4096.
2006-06-17 Karl Berry <karl@gnu.org>
* doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
doc/gccint.texi, doc/install.texi (@dircategory): Use
"Software development" instead of "Programming", following
the Free Software Directory.
2006-06-17 Alexandre Oliva <aoliva@redhat.com>
* config/i386/i386.c (legitimate_tls_address)
<TARGET_GNU2_TLS>: Add tp after DTPOFF.
* config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
(*tls_dynamic_gnu2_combine_64): Likewise.
2006-06-16 Richard Guenther <rguenther@suse.de>
PR middle-end/27116
* fold-const.c (negate_expr_p): Do not introduce undefined
overflow in negating INTEGER_CSTs.
(fold_negate_expr): Rename from negate_expr. Revert last
change for folding BIT_NOT_EXPR. Change semantics to
return NULL_TREE for non-simplified negations. Do not
strip type conversions and unify type handling.
(negate_expr): New function, wrap around fold_negate_expr
but ensure building a tree always. Strip type conversions
here, fold to result type.
(fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2006-06-16 Roger Sayle <roger@eyesopen.com>
PR middle-end/27802
* reg-stack.c (subst_stack_regs): Handle noreturn function calls
that (would) return their results in stack registers.
2006-06-16 Michael Matz <matz@suse.de>
Richard Guenther <rguenther@suse.de>
* fold-const.c (fold_truthop): Only return new tree node if
we canonicalized something.
2006-06-16 Richard Guenther <rguenther@suse.de>
* function.h (enum function_frequency): Move declaration
out of struct function.
(struct function): Move bool fields and the enum to the bitfield
section. Reorder elements to avoid padding. Remove unused
fields left over from the RTL inliner removal.
* function.c (free_after_compilation): Do not zero removed fields.
* Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
(ipa-type-escape.o): Likewise.
2006-06-16 Richard Guenther <rguenther@suse.de>
* cgraph.h (struct cgraph_local_info): Turn bool elements
into a bitfield.
(struct cgraph_node): Likewise.
(struct cgraph_varpool_node): Likewise.
2006-06-15 Richard Guenther <rguenther@suse.de>
* fold-const.c (fold_truth_not_expr): Rename from
invert_truthvalue. Give it fold_* semantics to avoid
generating garbage.
(invert_truthvalue): New function. Wrapper around
fold_truth_not_expr.
(optimize_minmax_comparison): Avoid creating garbage.
(fold_unary): Use fold_truth_not_expr for folding
TRUTH_NOT_EXPR.
(fold_ternary): Replace uses of invert_truthvalue with
fold_truth_not_expr where applicable.
* tree.h (fold_truth_not_expr): Prototype.
2006-06-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/27781
* Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
* ipa-pure-const.c (target.h): Include.
(analyze_function): Do not analyze functions that do not
bind locally.
2006-06-15 Andrew MacLeod <amacleod@redhat.com>
PR middle-end/27793
* tree-dfa.c (referenced_vars_dup_list): Remove.
(find_referenced_vars): Remove assert.
(referenced_var_check_and_insert): Replace dup list with assert.
* tree-ssa.c (delete_tree_ssa): Remove dup list processing.
* tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2006-06-15 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (alias_get_name): Avoid creating
extra unused identifiers if not dumping.
(create_variable_info_for): Likewise.
2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
(derive_constant_upper_bound): Derive more precise upper bound in
common cases. Return type changed to double_int.
(record_estimate): Reflect the changed return type of
derive_constant_upper_bound.
* double-int.c (double_int_zext, double_int_sext): Fix.
2006-06-15 Paolo Bonzini <bonzini@gnu.org>
* configure.ac (CFLAGS): Get them from the toplevel or from the
configure invocation.
* configure: Regenerate.
* Makefile.in (CFLAGS): Substitute value provided by configure.
2006-06-14 Mark Mitchell <mark@codesourcery.com>
PR c++/26559
* c-common.h (c_finish_omp_atomic): Adjust declaration.
* c-omp.c (c_finish_omp_atomic): Return the expression to perform,
rather than calling add_stmt on it.
* c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
PR middle-end/27959
* reload1.c (reload): Remove registers returned by update_eliminables
from used_spill_regs.
2006-06-13 DJ Delorie <dj@redhat.com>
* config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
* Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
html__strip_dir, html__mkdir_p. Enhance install-html target.
* configure.ac: AC_SUBST datarootdir, docdir and htmldir.
* configure: Regenerate.
2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
* fold-const.c (fold_cond_expr_with_comparison): Check for
Objective-C++ as language in deciding COND_EXPR transformation.
2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
PR target/28014:
* config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
* config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
* config/sh/lib1funcs.h (SL, SL1): Define.
* config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
* longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
* config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
(OBJS_Os_4_200): New variable.
($(T)libgcc-Os-4-200.a): Use it.
* sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
when dividing 1 and/or by 0.
2006-06-13 Roger Sayle <roger@eyesopen.com>
* configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
* configure: Regenerate.
2006-06-13 Jie Zhang <jie.zhang@analog.com>
* config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
for real instruction.
2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
PR middle-end/26807
* haifa-sched.c (check_cfg): Handle special case.
2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
PR debug/26754
* gimplify.c (declare_tmp_vars): Rename into declare_vars.
Add debug_info parameter. Chain the vars to the BLOCK instead
of the BIND_EXPR if debug info are requested for them.
(pop_gimplify_context): Adjust for above change.
(gimple_add_tmp_var): Likewise.
* tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
Add bool parameter.
* tree-nested.c (convert_nonlocal_reference): Adjust for above change.
(convert_local_reference): Likewise.
(get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
(finalize_nesting_tree_1): Request that debug info be emitted
for debug_var_chain.
2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
* haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
for PR target/27863.
2006-06-13 Richard Guenther <rguenther@suse.de>
PR middle-end/27536
* except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2006-06-13 Richard Guenther <rguenther@suse.de>
PR tree-optimization/27830
* tree-inline.c (copy_body_r): For copying the operand
of an ADDR_EXPR make sure to fold &* afterwards.
2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
* gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
lvalues in the fb_none case with side-effects.
2006-06-12 Kazu Hirata <kazu@codesourcery.com>
* tree-flow.h: Remove the prototype for
compute_phi_arg_on_exit.
* tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
Remove.
2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
* builtins.c (expand_builtin_return_addr): Only use
frame_pointer_rtx when count == 0 and we are expanding
__builtin_return_address.
2006-06-12 Fred Fish <fnf@specifix.com>
* config/mips/mips.c (mips_file_start): Create special section
".gcc_compiled_longXX" for o64 ABI as well as EABI.
2006-06-11 Eric Christopher <echristo@apple.com>
PR middle-end/27948
* stor-layout.c (place_field): Remove check for
remaining_in_alignment when aligning at the end of a run.
2006-06-11 Eric Christopher <echristo@apple.com>
PR 27542
* doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
pragma.
2006-06-11 Roger Sayle <roger@eyesopen.com>
PR target/27858
Revert incorrect fix for PR target/27158
2006-05-08 Roger Sayle <roger@eyesopen.com>
* reload.c (find_reloads_toplev): Only return the simplified SUBREG
of a reg_equiv_constant if the result is a legitimate constant.
2006-06-11 Roger Sayle <roger@eyesopen.com>
PR target/27158
* config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
extract a CONST_VECTOR element and interpret it as an integer.
(vspltis_constant): Use const_vector_elt_as_int instead of the
macro CONST_VECTOR_ELT in order to handle FP vector modes.
* config/rs6000/predicates.md (easy_vector_const): Consider
floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
PR middle-end/27942
* stor-layout.c (update_alignment_for_field): Don't add extra
alignment for packed non-bitfield fields in ms_bitfield_layout_p
code.
2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
* config/mips/t-rtems: Add EL/EB multilib variants.
2006-06-09 Mike Stump <mrs@apple.com>
* c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2006-06-09 David Daney <ddaney@avtrex.com>
* doc/install.texi: Add binutils version recommendation for mips-*-*.
2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
* reload.c (find_reloads): Unset force_reload for 'X' constraint.
2006-06-09 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26998
* tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
of signed types, only TYPE_MIN_VALUE is special, but for both,
minimum and maximum value. Likewise VR_ANTI_RANGE is special
in this case, as is -fwrapv.
2006-06-08 Mike Stump <mrs@apple.com>
PR target/26427
* config/darwin.c (darwin_asm_output_anchor): Disable
-fsection-anchors on darwin for now.
* config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
* rs6000/rs6000.c (optimization_options): Likewise.
2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR target/27421
* config/i386/i386.c (classify_argument): Skip fields with invalid
types in unions.
2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
* cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
(cse_insn): Likewise for the stack_pointer_rtx.
2006-06-08 Roger Sayle <roger@eyesopen.com>
* tree-ssa-dom.c (record_conditions): Only record "unordered"
conditions from floating point comparisons.
2006-06-08 Paolo Bonzini <bonzini@gnu.org>
PR middle-end/27733
* expmed.c (struct alg_hash_entry): Fix type of field T
to match synth_mult argument.
(NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
PR target/27863
* haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
block boundaries.
2006-06-08 Richard Guenther <rguenther@suse.de>
PR middle-end/27116
* fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
only, if overflow is defined and not trapping.
(negate_expr): Likewise.
2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/27872
* tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
flag on the new exit edge of the unrolled loop.
2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/26449
* loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2006-06-07 Andrew MacLeod <amacleod@redhat.com>
PR middle-end/27793
* tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
referenced_variables with matching DECL_UID's.
(find_referenced_vars): Make sure duplicate list is empty to start.
(referenced_var_p): Remove.
(referenced_var_check_and_insert): Renamed from referenced_var_insert.
Check if var is in the list, and add if needed. Update the duplicate
list if a different var is in the list with the same DECL_UID.
(add_referenced_var): Call routine to check and insert.
* tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
* tree-flow.h (referenced_vars_dup_list): External declaration.
2006-06-07 Fred Fish <fnf@specifix.com>
* config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
into single entry.
2006-06-07 Paolo Bonzini <bonzini@gnu.org>
PR target/27390
* reg-stack.c (subst_stack_regs_pat): Reorder resetting of
the imaginary and real parts of a clobbered register.
Emit insn to set the imaginary part.
2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
* config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
in lieu of unwind-dw2-fde.c.
2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
* config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
PR target/27842
* config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
V4SImode temporaries and operations instead.
2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
* config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
dp-bit.c.
2006-06-06 Mike Stump <mrs@apple.com>
* Makefile.in: Rename to htmldir to build_htmldir to avoid
installing during build.
2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
* params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
value to 0.
* doc/invoke.texi (max-sched-extend-regions-iters): Document.
* config/ia64/ia64.c (params.h): New header.
(ia64_optimization_options): New function to adjust parameters.
* config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
* config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
* config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
2006-06-05 Kazu Hirata <kazu@codesourcery.com>
* stor-layout.c (debug_rli): Fix a typo in a debug message.
2006-06-05 Steve Ellcey <sje@cup.hp.com>
PR target/27051
* config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
Victor Kaplansky <victork@il.ibm.com>
PR tree-optimization/26360
* tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
stmts.
2006-06-04 Roger Sayle <roger@eyesopen.com>
Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/27382
* c-common.c (c_common_truthvalue_conversion): Explicitly check
for LABEL_DECL before calling DECL_WEAK.
PR c/27150
* c-typeck.c (build_binary_op): Likewise, explicitly check for
LABEL_DECL and PARM_DECL.
2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
PR c/25161
PR c/27020
* c-decl.c (grokdeclarator): Disallow variably modified types at
file scope. Avoid marking shared array type of constant size as
VLA.
2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c++/27601
* c-common.c (fold_offsetof_1): Handle static members.
2006-06-04 Eric Christopher <echristo@apple.com>
* stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
(debug_rli): Output value for remaining_in_alignment.
(update_alignment_for_field): Unconditionalize
ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
extra alignment code.
(place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
ms_bitfield_layout_p code. Rewrite handling of structure fields.
* tree.h (record_layout_info_s): Remove prev_packed.
* doc/extend.texi (ms_struct): Add documentation of format.
2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
* tree.h: Declare folding_initializer.
* builtins.c (fold_builtin_constant_p): Give definite answer
if folding inside an initializer.
* fold-const.c: Define folding_initializer.
(START_FOLD_INIT): Save and then set folding_initializer.
(END_FOLD_INIT): Restore folding_initializer.
2006-06-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/27039
* fold-const.c (fold_comparison): Handle pointer comparison
again for all comparison codes. Compare offsets in signed
size type.
(fold_binary): Move code from here.
2006-06-03 Roger Sayle <roger@eyesopen.com>
PR target/26223
* config/i386/i386.c (construct_container): Split static issued_error
flag into issued_sse_arg_error, issued_sse_ret_error and
issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
requires the use of x87 registers and the user explicitly
specified the -mno-80387 command line option.
2006-06-02 Geoffrey Keating <geoffk@apple.com>
* config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
HAVE_DECL_SIGALTSTACK.
(MC_FLD): New.
(segv_handler): Use MC_FLD.
* configure.ac: Check for a sigaltstack declaration.
Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
* configure: Regenerate.
* config.in: Regenerate.
2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
PR other/27850
* Makefile.in (stmp-fixinc): Fix typo.
2006-06-02 Roger Sayle <roger@eyesopen.com>
* fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
are type correct. Clean-up.
<REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
<IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
2006-06-01 DJ Delorie <dj@redhat.com>
* config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
shift, as we've disabled the "switch" insn that needs it.
2006-06-01 Per Bothner <bothner@bothner.com>
Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
* c-opts.c (finish_options): Use internal line 0 for <command-line>.
* c-ppoutput.c (cb_define): Don't increment line 0.
2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
* doc/invoke.texi: Add cpu_type power6.
* config.gcc: Add cpu_type power6.
* config/rs6000/rs6000.c (rs6000_override_options): Alias power6
to power5+ with Altivec.
* config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
* config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
2006-05-30 Anatoly Sokolov <aesok@post.ru>
* config/avr/avr.h (SET_ASM_OP): Define.
2006-06-01 Kazu Hirata <kazu@codesourcery.com>
* config/bfin/bfin.c: Fix comment typos.
2006-06-01 Paolo Bonzini <bonzini@gnu.org>
PR 25453
* doc/install.texi: Document --enable-bootstrap and
--disable-bootstrap.
2006-06-01 Paolo Bonzini <bonzini@gnu.org>
* doc/install.texi: Document that InfoZIP can replace jar.
2006-05-31 Roger Sayle <roger@eyesopen.com>
* config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
isn't available, directly generate the simpler x87 patterns without
the (use (const_int 0)).
* config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
implementation isn't available.
(*negdf2_1): Likewise.
(*negxf2_1): XF mode negation is always done using the x87.
(*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
2006-05-31 Roger Sayle <roger@eyesopen.com>
* builtins.c (fold_builtin_cabs): Delete prototype. Require an
additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
cabs(z).
(fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
2006-05-31 Jie Zhang <jie.zhang@analog.com>
* config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
* config/bfin/bfin.c (basic-block.h): Include.
(struct machine_function): New.
(bfin_init_machine_status): New.
(override_options): Initialize init_machine_status.
(bfin_hardware_loop): New.
(MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
(DEF_VEC_P (loop_info)): New.
(DEF_VEC_ALLOC_P (loop_info,heap)): New.
(struct loop_info): New.
(loop_info): New typedef.
(struct loop_work): New.
(loop_work): New typedef.
(DEF_VEC_O (loop_work)): New.
(DEF_VEC_ALLOC_O (loop_work,heap)): New.
(bfin_dump_loops): New.
(bfin_bb_in_loop): New.
(bfin_scan_loop): New.
(bfin_optimize_loop): New.
(bfin_reorg_loops): New.
(bfin_reorg): Use bfin_reorg_loops.
* config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
loop registers.
(I_REGNO_P): Simplify.
(DP_REGNO_P, DPREG_P): New macros.
(REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
(enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
Add LT_REGS, LC_REGS, LB_REGS.
(REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
'l' for LB_REGS.
(REGNO_REG_CLASS): Deal with loop registers.
* config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
letters.
(REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
New constants for loop registers.
(UNSPEC_LSETUP_END): New.
(seq_insns): New define_attr. Set it for appropriate insns.
(movsi_insn): Add alternatives for move from/to
loop count registers.
(doloop_end): New define_expand.
(loop_end): New define_insn.
(define_split for bad doloop_end): New.
(lsetup_with_autoinit): New define_insn.
(lsetup_without_autoinit): New define_insn.
(rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
* config/bfin/predicates.md (lc_register_operand): New.
(lt_register_operand): New.
(lb_register_operand): New.
(nondp_register_operand): New.
(nondp_reg_or_memory_operand): New.
* doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
2006-05-31 Jie Zhang <jie.zhang@analog.com>
* config/bfin/bfin.c (bfin_delegitimize_address): New.
(TARGET_DELEGITIMIZE_ADDRESS): Define.
2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
* Makefile.in (CATALOGS): Add po/ prefix.
* configure: Regenerated.
2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
PR target/27829
* arm.c (arm_print_operand case 'S'): Validate that the operand is
a shift operand before calling shift_op. Avoid redundant call of
shift_op.
2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
DJ Delorie <dj@redhat.com>
* config/m32c/m32c.c (m32c_expand_insv): Check that the value
we're inserting is a singlt-bit constant.
2006-05-30 Roger Sayle <roger@eyesopen.com>
* simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
width to HOST_WIDE_INT to avoid comparison warnings on some targets.
2006-05-30 Roger Sayle <roger@eyesopen.com>
PR tree-optimization/23452
* fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
(fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
complex values and with -ffast-math for FP complex values.
2006-05-30 Kazu Hirata <kazu@codesourcery.com>
* c-common.h: Remove the prototype for yyparse.
* rtl.h: Remove the prototype for init_loop.
2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
* cse.c (validate_canon_reg, cse_insn): Don't change insns without
calling recog.
2006-05-30 Roger Sayle <roger@eyesopen.com>
* simplify-rtx.c (simplify_binary_operation): Unfactor the shift
and rotate cases.
<LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
2006-05-30 Dirk Mueller <dmueller@suse.de>
PR c/27273
* c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
for CONSTANT_CLASS_P expresisons.
2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c/27718
* c-typeck.c (c_expr_sizeof_type): Handle invalid types.
2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/27779
* tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
initial_condition instead of CHREC_LEFT.
2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
* config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
* config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
Make prototypes ISO C90.
2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
Leehod Baruch <leehod.baruch@weizmann.ac.il>
* see.c (see_analyze_one_def): Correct check.
(see_get_extension_data): Check if extension is parallel.
(see_get_extension_reg): Likewise.
2006-05-30 Uros Bizjak <uros@kss-loka.si>
PR target/27790
* config/i386/i386.c (ix86_expand_int_vcond): Force cop0
into register for (code == GTU).
2006-05-29 Roger Sayle <roger@eyesopen.com>
PR tree-optimization/24964
* simplify-rtx.c (simplify_binary_operation_1): Add function comment.
<MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
signaling NaNs. Optimize -x*-x as x*x for all float modes, and
abs(x)*abs(x) as x*x for scalar floating point modes.
2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
PR middle-end/27745
* lambda-code.c (perfect_nestify): Don't copy statements
in the inner loop: move them to the inner loop header.
2006-05-29 Diego Novillo <dnovillo@redhat.com>
PR 26237
* c-tree.texi: Document OpenMP directives and clauses.
2006-05-29 Kazu Hirata <kazu@codesourcery.com>
* varasm.c (globalize_decl): Fix indentation.
2006-05-29 Diego Novillo <dnovillo@redhat.com>
PR 26242
* doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
pass_fre, pass_store_ccp, pass_copy_prop,
pass_store_copy_prop, pass_merge_phi, pass_nrv,
pass_return_slot, pass_object_size, pass_lim,
pass_linear_transform, pass_empty_loop, pass_complete_unroll,
pass_loop_prefetch and pass_stdarg.
2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.opt (mfdpic): New option.
* config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
(EXTRA_MULTILIB_PARTS): Likewise.
(CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
(MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
multilib.
* config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
(CRT_CALL_STATIC_FUNCTION): New.
* config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
-shared.
(CRT_CALL_STATIC_FUNCTION): New.
* config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
FD-PIC moves.
(n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
(print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
(initialize_trampoline): Changed to handle FD-PIC code generation.
(expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
(bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
(override_options): Disallow -mid-shared-library -mfdpic combination.
Can't do unaligned ops if FD-PIC.
Turn off flag_pic if trying to generate non-id-shared-library
non-fdpic code, since it's not supported.
(bfin_assemble_integer): New function.
(TARGET_ASM_INTEGER): Define.
* config/bfin/crti.s (__init, __fini): Save P3 on the stack if
__BFIN_FDPIC__.
* config/bfin/crtn.s: Restore them.
* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
if TARGET_FDPIC.
(DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
(FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
(TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
(CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
call-used.
(enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
FDPIC_REGS and FDPIC_FPTR_REGS.
(REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
* config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
(load_funcdescsi): New pattern.
(call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
2006-05-29 Kazu Hirata <kazu@codesourcery.com>
* gcse.c, rtlanal.c: Remove obsolete comments associated with
loop.c.
* config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
* tree-flow.h: Remove the prototype for add_type_alias.
* tree-ssa-alias.c (add_type_alias): Remove.
2006-05-28 Kazu Hirata <kazu@codesourcery.com>
* cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
config/fr30/fr30.md, config/i386/i386-interix.h,
config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
config/sh/superh64.h, config/v850/v850.c, df-core.c,
df-problems.c, df.h, except.c, final.c, haifa-sched.c,
lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
Follow spelling conventions.
* doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
Follow spelling conventions.
2006-05-27 Richard Guenther <rguenther@suse.de>
PR middle-end/27773
* fold-const.c (fold_plusminus_mult_expr): Use fold_convert
to produce a constant of value 1 of generic type.
2006-05-27 Dirk Mueller <dmueller@suse.de>
* cgraphunit.c (decide_is_function_needed): Fix wrong
PR reference.
2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
PR rtl-optimization/27661
* reload.c (find_reloads): When reloading a VOIDmode constant
as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
use Pmode as mode of the reload register.
2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
* doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
is enabled at -O and above.
2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
PR target/27571
* config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
table data.
2006-05-25 Mark Mitchell <mark@codesourcery.com>
PR c++/20103
* gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
for anonymous variables explicitly declared by front ends.
2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
* tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
(struct alias_info): Add new field ref_all_symbol_mem_tag.
* tree-ssa-alias.c (compute_may_aliases): If the program contains
ref-all pointers, run a finalization pass for them.
(compute_flow_insensitive_aliasing): Skip ref-all pointers.
(finalize_ref_all_pointers): New function.
(is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
regular pointer type to a ref-all pointer type.
(get_tmt_for): Return the special memory tag for ref-all pointers.
2006-05-25 Richard Guenther <rguenther@suse.de>
PR middle-end/27743
* fold-const.c (fold_binary): Do not look at the stripped
op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
* tree-vrp.c (extract_range_from_assert): Set the range to VARYING
for LT and GT if the computed range is effectively empty.
2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR target/27627
* pa/pa-modes.def: Use mips_single_format, mips_double_format and
mips_quad_format formats instead of ieee_single_format,
ieee_double_format and ieee_quad_format formats, respectively.
2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/27639
PR tree-optimization/26719
* tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
call to scev_probably_wraps_p.
* tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
used_in_pointer_arithmetic_p, convert_step): Removed.
(nowrap_type_p): New function.
(scev_probably_wraps_p): Rewritten.
* tree-scalar-evolution.c (instantiate_parameters_1): Do not call
chrec_convert if chrec_convert_aggressive might have been used.
* tree-chrec.c (convert_affine_scev, chrec_convert_1,
scev_direction): New functions.
(chrec_convert): Changed to a wrapper over chrec_convert_1.
* tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
instead of convert_step.
* tree-flow.h (scev_probably_wraps_p): Declaration changed.
(convert_step): Declaration removed.
(convert_affine_scev, nowrap_type_p, scev_direction): Declare.
2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
* df-core.c: Added to header comments.
* df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
df_ur_bb_info, df_urec_bb_info): Added comments.
* df-problems (df_ref_bitmap, ru, rd, lr, ur,
urec, ri problems): Fixed header comments.
(df_ru_transfer_function): Fixed in-out set dyslexia when copying
code from df_rd_transfer_function.
2006-05-23 Richard Sandiford <richard@codesourcery.com>
* libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
(LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
2006-05-23 Joseph Myers <joseph@codesourcery.com>
* expr.c (undefined_operand_subword_p): New.
(emit_move_multi_word): Do not generate move from undefined bits
of a paradoxical subreg.
2006-05-23 Richard Sandiford <richard@codesourcery.com>
PR rtl-optimization/27736
* combine.c (replaced_rhs_value): New variable.
(combine_instructions): Set it.
(distribute_notes): When distributing a note in replaced_rhs_insn,
check whether the value was used in replaced_rhs_value.
2006-05-23 Andrew MacLeod <amacleod@redhat.com>
PR c++/26757
* tree-ssa-loop-im.c (determine_invariantness_stmt): Use
add_referenced_var instead of add_referenced_tmp_var.
* tree-complex.c (create_one_component_var): Use add_referenced_var.
* tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
add_referenced_var.
* tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
tree_optimize_tail_calls_1): Use add_referenced_var.
* tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
* tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
Use add_referenced_var.
* tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
* gimplify.c (force_gimple_operand): Use add_referenced_var.
* tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
Use add_referenced_var.
* tree-dfa.c (struct walk_state): Remove.
(find_referenced_vars): Remove walk state and vars_found hash table.
(make_rename_temp): Use add_referenced_var.
(find_vars_r): Pass less parameters to add_referenced_var.
(referenced_var_p): New. Is var in referenced_var hash table.
(referenced_var_insert): Assert var isn't already in hash table.
(add_referenced_var): Don't need walk_state parameter. Add var if it
isn't already in the hash table.
(add_referenced_tmp_var): Remove.
(find_new_referenced_vars_1): Use add_referenced_var.
* tree-ssa-pre.c (create_expression_by_pieces,
insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
Use add_referenced_var.
* tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
* lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
add_referenced_var.
* tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
vect_create_data_ref_ptr, vect_create_destination_var,
vect_init_vector, vect_build_loop_niters,
vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
Use add_referenced_var.
* tree-outof-ssa.c (create_temp): Use add_referenced_var.
* tree-flow.h (add_referenced_tmp_var): Remove prototype
(add_referenced_var): Add prototype.
* tree-ssa-structalias.c (get_constraint_for,
intra_create_variable_infos): Use add_referenced_var.
2006-05-23 Alexandre Oliva <aoliva@redhat.com>
* simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
big-endian paradoxical subregs.
* var-tracking.c (struct micro_operation_def): Document that,
for modify micro operations, insn is the subsequent instruction.
(var_reg_delete_and_set, var_mem_delete_and_set): Split into...
(var_reg_set, var_mem_set): ... new functions.
(add_stores): Record subsequent insn.
(compute_bb_dataflow): Use new functions for MO_USE.
(emit_notes_in_bb): Use new functions for MO_USE. Emit use
notes after the insn, and modify notes before the insn known
to be the subsequent one.
(vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
2006-05-23 Kazu Hirata <kazu@codesourcery.com>
PR target/27696
* config/i386/i386.c (ix86_expand_builtin): Use
gen_sse3_monitor64 for TARGET_64BIT.
2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/26375
PR rtl-optimization/26855
* df-problems (df_ru_bb_local_compute_process_def): Removed update
to gen set.
(df_ru_bb_local_compute): Reversed statements and removed bogus
comment explaining why they should be in wrong order.
(df_ru_dump, df_rd_dump): Enhanced debug info.
* modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
debug info.
* ddg.c (add_deps_for_def): Converted use of reaching defs to
reaching uses and fixed space problem.
2006-05-23 Jan Hubicka <jh@suse.cz>
* cgraphunit.c (decide_is_function_needed): Also nested functions
and functions declared inline can be optimized out at -O0.
2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
* doc/install.texi (Configuration): Remove reference to CrossGCC
FAQ which was gone.
(Building): Ditto.
2006-05-22 Kazu Hirata <kazu@codesourcery.com>
PR target/27266
* config/i386/i386.c (ix86_expand_branch): Jump to simple if
ix86_compare_emitted is non-NULL.
2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c++/27451
* stmt.c (expand_asm_operands): Skip asm statement with erroneous
clobbers.
2006-05-22 Richard Sandiford <richard@codesourcery.com>
PR rtl-optimization/25514
* combine.c (replaced_rhs_insn): New variable.
(combine_instructions): Set replaced_rhs_insn when trying to replace
a SET_SRC with a REG_EQUAL note.
(distribute_notes): Use replaced_rhs_insn when determining the live
range of a REG_DEAD register.
2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
Anatoly Sokolov <aesok@post.ru>
* config/avr/avr.c (avr_mcu_types): Add support for attiny261,
attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
atmega164p, atmega324p, atmega644p, atmega644, atmega329,
atmega3290, atmega649, atmega6490, atmega406, atmega640,
atmega1280, atmega1281, at90can32, at90can64, at90usb646,
at90usb647, at90usb1286 and at90usb1287 devices.
* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2006-05-22 Richard Sandiford <richard@codesourcery.com>
* mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
2006-05-22 Richard Guenther <rguenther@suse.de>
Revert
2006-01-31 Richard Guenther <rguenther@suse.de>
Paolo Bonzini <bonzini@gnu.org>
* doc/install.texi (--disable-libgcc-math): Document.
2006-05-22 Richard Guenther <rguenther@suse.de>
Revert
2006-01-31 Richard Guenther <rguenther@suse.de>
* doc/invoke.texi (-msselibm): Document.
* target.h (expand_library_builtin): New target hook.
* builtins.c (expand_builtin): Use expand_library_builtin.
(default_expand_library_builtin): New function.
* gcc.c (LINK_GCC_MATH_SPEC): Define.
(LINK_COMMAND_SPEC): Handle %(link_gcc_math).
(link_gcc_math_spec): Declare.
(static_specs): Add link_gcc_math_spec.
* expr.h (default_expand_library_builtin): Declare.
* target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
(TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
* config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
* config/i386/i386.opt (msselibm): New target option.
* config/i386/i386.c (ix86_builtin_function_variants): New array.
(ix86_init_sse_abi_builtins): New function.
(ix86_expand_library_builtin): Likewise.
(TARGET_EXPAND_LIBRARY_BUILTIN): Define.
(override_options): Handle error conditions wrt -msselibm.
(ix86_builtins): Add function codes for SSE2 ABI builtins.
(ix86_init_builtins): Call ix86_init_sse_abi_builtins.
* doc/extend.texi (__builtin_sse2_*): Document new target specific
builtins.
2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c/27420
* c-common.c (self_promoting_args_p): Skip erroneous args.
PR c/26818
* c-decl.c (finish_struct): Skip erroneous fields.
2006-05-22 Nick Clifton <nickc@redhat.com>
* config/cris/cris.opt (march): Remove VarExists attribute.
(max-stackframe=): Likewise.
2006-05-22 Kazu Hirata <kazu@codesourcery.com>
* doc/rtl.texi: Fix a typo.
* see.c: Fix comment typos.
* tree-ssa-structalias.h (alias_info): Remove num_references.
2006-05-21 Mike Stump <mrs@apple.com>
* config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
(BAD2): Add.
(darwin_pragma_options): Use BAD instead.
(darwin_pragma_unused): Likewise.
(darwin_pragma_ms_struct): Likewise.
2006-05-21 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.md (floatsitf2): Remove constraints.
2006-05-21 Kazu Hirata <kazu@codesourcery.com>
PR rtl-optimization/27671
* simplify-rtx.c (simplify_relational_operation_1): Fix
simplifications of (eq/ne (xor x y) y) and
(eq/ne (xor x y) x).
PR tree-optimization/26622.
* fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
on arg1.
2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
* tree-cfg.c: Prune whitespace.
(debug_tree_cfg): Point to correct header containing the
TDF_* defines.
2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
PR middle-end/25776
* cgraphunit.c (verify_cgraph_node): Typo in error message.
2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/25776
* cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
or sorry count is non zero.
2006-05-20 Andreas Schwab <schwab@suse.de>
* config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
2006-05-19 Daniel Berlin <dberlin@dberlin.org>
Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/26855
* df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
multiword refs.
(df_scan_alloc): Added code to properly handle multiword hard
registers and add all_blocks parameter.
(df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
code to properly handle multiword hard registers.
(df_rescan_blocks): Added code to remove deleted blocks from
bitmap.
(df_ref_create_structure, df_ref_record): Added code to properly
handle subregs.
(df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
and set DF_REF_PARTIAL.
(df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
(df_uses_record): Added DF_REF_PARTIAL for subreg.
(df_scan_add_problem): Added flags parameter.
(df_ref_create_structure): Changed switching structure.
(df_bb_refs_record): Fixed case where duplicate artificial refs
were created. Changed location of flags.
(df_record_entry_block_defs): Added code to make stack pointer
live in entry block. Refined cases where frame pointer is needed.
Changed location of flags.
(df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
(df_set_state): Removed function.
(df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
df_insn_create_insn_record, df_insn_refs_delete,
df_ref_create_structure): Formatting changes.
* df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
df_delete_basic_block): New function.
(df_init): Changed location of flags.
(df_add_problem): Added flags parameter and the way flags are
processed.
(df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
debug_df_chain): Improved debugging output.
(df_insn_debug, df_insn_uid_debug): Added multiword reg support.
(df_refs_chain_dump): Removed df parameter.
(df_iterative_dataflow): Added consistency check.
(df_prune_to_subcfg): Made public.
(df_analyze_problem): Added blocks_to_init parameter and made
public.
(df_ref_record, df_bb_refs_record, df_mark_reg,
df_record_exit_block_uses): Whitespace changes.
(df_dump): Whitespace changes.
* df.h: Some reordering to remove forward references.
(df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
(df_ref_flags.DF_REF_CLOBBER): Deleted field.
(dataflow.flags): New field.
(df.flag): Deleted field.
(df_alloc_function): Added additional bitmap parameter.
(df_dependent_problem_function): New type.
(df_problem.changeable_flags): New field.
(df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
(df_mw_hardreg): New struct.
(DF_INSN_UID_MWS): New macro.
(df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
parameter.
(df_add_problem, df_ru_add_problem, df_rd_add_problem,
df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
df_ri_add_problem, df_scan_add_problem): Added flags parameter.
(df_set_state): Removed function.
(df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
* df-problems.c (df_chain_dump): Removed df parameter.
(df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
parameter.
(df_ru_alloc, df_rd_alloc): Now resets all blocks.
(df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
DF_REF_MUST_CLOBBER cases.
(df_ru_bb_local_compute_process_def,
df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
df_lr_bb_local_compute, df_ur_bb_local_compute,
df_chain_create_bb): Made subreg aware.
(df_ru_bb_local_compute, df_rd_bb_local_compute,
df_lr_bb_local_compute, df_lr_bb_local_compute,
df_chain_create_bb): Cleanup to use proper macros.
(df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
code to fixup bitvectors.
(df_ri_alloc): Cleared lifetime.
(df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
df_create_unused_note): New function.
(df_ri_bb_compute, df_ri_compute): Added code to create/update
REG_DEAD and REG_UNUSED notes as well as register information.
(df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
df_chains_dump): Fixed crash if problem was never run.
(df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
df_ri_add_problem): Processes flags in uniform manner.
(df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
df_rd_dump, df_urec_free_bb_info): Formatting changes.
(df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
df_ur_dump, df_urec_free_bb_info, df_urec_dump,
df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
* modulo-sched.c (sms_schedule): Added flag parameter to calls.
* see.c (see_initialize_data): Ditto.
* final.c (rest_of_clean_state) Added regstack_completed.
* rtl.h (regstack_completed): Ditto.
* reg-stack.c (regstack_completed): Ditto.
2006-05-19 Mike Stump <mrs@apple.com>
* c-tree.h (default_conversion): Remove.
* c-common.h (default_conversion): Add.
2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
* tree-vrp.c (valid_value_p): New function.
(adjust_range_with_scev): Fail if the value of bound is not
simple.
2006-05-19 Richard Sandiford <richard@codesourcery.com>
* config/mips/linux-unwind.h: Include <asm/unistd.h>
(mips_fallback_frame_state): Use syscall numbers to determine
the appropriate li instruction for the current ABI. Only use
__NR_sigreturn for o32.
2006-05-19 Nicolas Setton <setton@adacore.com>
* langhooks.h (struct lang_hooks): Add dwarf_name language hook.
* langhooks.c (lhd_dwarf_name): New function.
* langhooks-def.h (lhd_dwarf_name): Declare.
(LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
* dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
* ada/misc.c (gnat_dwarf_name): New function.
(LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
2006-05-19 Richard Sandiford <richard@codesourcery.com>
* libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
libgcc2.h.
(LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
* libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
determine the size of Wtype, etc.
* mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
(swfloatfuncs): New variable.
(dwfloatfuncs): Likewise.
(lib2funcs): Remove floating-point conversion functions from
initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
the set of conversion routines needed. Allow entries to specify
an object name, filename and word size. Update users accordingly.
* Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
* config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
Revert:
2006-02-08 Roger Sayle <roger@eyesopen.com>
PR target/22209
* config/fixtfdi.c: New libgcc source file.
* config/fixunstfdi.c: New source file.
* config/floatditf.c: New source file.
* config/floatunditf.c: New souce file.
* config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
files above instead of config/mips/_tilib.c.
* config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
* pa/pa-hpux11.h (LIB_SPEC): Update comment.
2006-05-18 Mike Stump <mrs@apple.com>
Fix up vla, vm and [*] sematics.
PR c/18740
PR c/7948
PR c/25802
PR c/27673
* c-tree.h (struct c_arg_info): Add had_vla_unspec.
(c_vla_unspec_p): Add.
(c_vla_type_p): Add.
* c-decl.c (struct c_scope): Add had_vla_unspec.
(build_array_declarator): Add support for [*].
(grokdeclarator): Likewise.
(grokparms): Likewise.
(get_parm_info): Likewise.
* c-objc-common.c (c_vla_unspec_p): Likewise.
* c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
* c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
typeof when argument is a variably modified type not inside sizeof or alignof.
(c_parser_direct_declarator_inner): Propagate errors.
(c_parser_sizeof_expression): Add support for [*].
(c_parser_parms_declarator): Initialize had_vla_unspec.
(c_parser_parms_list_declarator): Likewise.
* c-typeck.c (c_vla_type_p): Add.
(composite_type): Add support for vla compositing.
(comptypes_internal): Add support for vla compatibility.
(c_expr_sizeof_expr): Evaluate vla arguments.
* tree.c (variably_modified_type_p): Update comment for [*].
2006-05-18 Michael Matz <matz@suse.de>
PR target/27599
* config.host: Make assignments to host_xmake_file cumulative.
* config.host (*-darwin*): Test $host, not $target.
2006-05-12 Stuart Hastings <stuart@apple.com>
* config/i386/i386.opt (-mstackrealign): New flag.
* config/i386/i386.c (force_align_arg_pointer): New attribute.
(ix86_handle_cconv_attribute): Emit error when
force_align_arg_pointer attribute collides with too many regparms.
(ix86_function_regparm): Limit regparms when used with
force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
Support stack-realigning prologue in non-main functions. Emit
warning for nested functions under -mstackrealign, emit error for
nested functions with force_align_arg_pointer attribute.
* doc/extend.texi (force_align_arg_pointer): Document it.
* doc/invoke.texi (-mstackrealign): Document it.
2006-05-17 Kazu Hirata <kazu@codesourcery.com>
PR rtl-optimization/27477
* combine.c (try_combine): Don't split a parallel consisting
of two sets into two individual sets if both sets reference
cc0.
2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
* config/arm/arm.opt (target_fpe_name): Remove VarExists.
* config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
* doc/options.texi (VarExists): Updated.
2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* unwind-dw2.c: Add declarations for uw_update_context and
uw_frame_state_for.
* pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
detected, advance frame state and context once to skip over stub.
2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
PR middle-end/20256
PR middle-end/26435
* tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
Call rewrite_into_loop_closed_ssa only when something changed.
* lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
* lambda-code.c (can_convert_to_perfect_nest): Declared.
(gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
Test for perfect_nest_p here. Fix formating.
(replace_uses_equiv_to_x_with_y): Fix formating.
(stmt_uses_op): Removed.
(can_convert_to_perfect_nest): Removed loopivs parameter.
Complete the test by checking the scalar dependences.
(perfect_nestify): Remove the test for can_convert_to_perfect_nest.
Fix formating.
2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
PR bootstrap/22541
From Dan Kegel <dank@kegel.com>:
* Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
* tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
if the element type is variably modified without recursing.
2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
PR middle-end/27332
* tree-loop-linear.c (try_interchange_loops): Test for
no data dependences.
2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/27548
* tree-scalar-evolution.c (scev_const_prop): Do not prolong life
range of ssa names that appear on abnormal edges.
* tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
* tree-flow.h (contains_abnormal_ssa_name_p): Declare.
2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
PR middle-end/27620
* expr.c (safe_from_p): Handle CONSTRUCTOR again.
2006-05-17 Jakub Jelinek <jakub@redhat.com>
PR middle-end/27415
* tree.h (OMP_PARALLEL_COMBINED): Define.
* gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
(new_omp_context): Add is_combined_parallel argument.
(gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
new_omp_context caller.
(gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
Adjust gimplify_scan_omp_clauses callers.
(omp_is_private): Issue errors if iteration variable is firstprivate
or reduction in the current context.
* c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
on combined parallel workshare constructs.
2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
* Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
(gcc-options.o): New rule.
* optc-gen.awk: Protect variables for gcc-options.o with
#ifdef GCC_DRIVER/#endif.
2006-05-16 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/27373
* tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
(forward_propagate_addr_expr): Update call.
2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
* doc/options.texi: Move the Negative option.
2006-05-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/22303
* tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
from STRING_CSTs.
(evaluate_stmt): Fall back to fold_const_aggregate_ref, if
ccp_fold did not simplify the statement.
2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
PR driver/26885
* Makefile.in (GCC_OBJS): New.
(OBJS-common): Add opts-common.o.
(xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
(cpp$(exeext)): Likewise.
(gcc.o): Also depend on opts.h.
(opts-common.o): New.
* common.opt (gcoff): Add Negative(gdwarf-2).
(gdwarf-2): Add Negative(gstabs).
(gstabs): Add Negative(gstabs+).
(gstabs+): Add Negative(gvms).
(gvms): Add Negative(gxcoff).
(gxcoff): Add Negative(gxcoff+).
(gxcoff+): Add Negative(gcoff).
* config/i386/i386.opt (m32): Add Negative(m64).
(m64): Add Negative(m32).
* doc/options.texi: Document the Negative option.
* gcc.c: Include "opts.h".
(main): Call prune_options after expandargv.
* optc-gen.awk: Generate common declarations for all flag
variables in options.c. Output the neg_index field.
* opts.c (find_opt): Moved to ...
* opts-common.c: Here. New file.
* opts.h (cl_option): Add a neg_index field.
(find_opt): New.
(prune_options): Likewise.
2006-05-16 Jakub Jelinek <jakub@redhat.com>
PR middle-end/27573
* omp-low.c (expand_omp_parallel): Don't assert
.OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
instead search for it.
PR c/27499
* gimplify.c (gimplify_omp_for): Remove assertion that iteration var
is signed.
2006-05-16 Andreas Schwab <schwab@suse.de>
* doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
defmac.
2006-05-15 Roger Sayle <roger@eyesopen.com>
PR target/26600
* config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
integer constants other than zero are only legitimate on TARGET_64BIT.
<CONST_VECTOR> Only zero vectors are legitimate.
(ix86_cannot_force_const_mem): Integral and vector constants can
always be put in the constant pool.
2006-05-16 DJ Delorie <dj@redhat.com>
* crtstuff.c (__dso_handle): Set section from
TARGET_LBIGCC_SDATA_SECTION if defined.
* doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
* config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
PR target/27599
* config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
host_xmake_file.
2006-05-16 Ben Elliston <bje@au.ibm.com>
* tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
2006-05-15 Per Bothner <per@bothner.com>
* tree.c: (last_annotated_node): Use source_locus typedef.
This permits bootstrapping with --enable-mapped-location.
2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/26830
* tree-into-ssa.c (struct ssa_name_info): Add age field.
(info_for_ssa_name, current_info_for_ssa_name_age,
blocks_to_update): New variables.
(get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
(clear_ssa_name_info, initialize_flags_in_bb,
mark_block_for_update): New functions.
(mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
(insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
prepare_def_site_for): Use mark_block_for_update.
(mark_def_interesting): Assert that the processed block is marked in
blocks_to_update. Do not take blocks argument.
(prepare_use_sites_for, prepare_names_to_update): Do not take blocks
argument.
(rewrite_update_init_block, rewrite_update_stmt): Only process
blocks with statements to rewrite.
(delete_update_ssa): Do not clear SSA_NAME_AUX.
(update_ssa): Initialize and free blocks_to_update. Do not
clear flags on statements. Do not use blocks bitmap.
* tree.h (SSA_NAME_AUX): Removed.
(struct tree_ssa_name): Removed aux field.
* print-tree.c (print_node): Do not print SSA_NAME_AUX.
2006-05-15 Richard Guenther <rguenther@suse.de>
PR tree-optimization/27603
* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
Do computations in original type.
2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
* see.c: Code style changes such as redundant paranthesis,
redundant intialization of local variables etc.
(see_main): Declared now as static.
* doc/invoke.texi: Update that -fsee is not enabled by
default at -O3.
2006-05-15 Jakub Jelinek <jakub@redhat.com>
* omp-low.c (check_omp_nesting_restrictions): New function.
(scan_omp_1): Call it.
PR middle-end/27416
* omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
construct, return *VAR.
2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
PR rtl-optimization/27406
* bt-load.c (migrate_btr_def): Skip the block having abnormal
edges.
2006-05-14 Roger Sayle <roger@eyesopen.com>
PR rtl-optimization/27538
* combine.c (expand_compound_operation): Call gen_lowpart
before calling simplify_shift_const.
2006-05-14 Roger Sayle <roger@eyesopen.com>
PR rtl-optimization/22563
* expmed.c (store_fixed_bit_field): When using AND and IOR to store
a fixed width bitfield, always force the intermediates into psuedos.
2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
PR 27501
* mkconfig.sh: Use operator = instead of == for test.
2006-05-13 Nick Clifton <nickc@redhat.com>
* dwarf2out.c (dbx_reg_number): Check return value from
LEAF_REG_REMAP and only use it if it is valid.
(multiple_reg_loc_descriptor): Likewise.
2006-05-13 Richard Guenther <rguenther@suse.de>
* config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
host_xmake_file.
2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
* df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
information attached to non-INSNs such as NOTEs.
(df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
On contraint.
* config/s390/s390.md: Adjust comment describing On constraint.
2006-05-11 Jan Hubicka <jh@suse.cz>
* cgraphunit.c (decide_is_function_needed): Don't force always_inline
to be output at -O0.
2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR middle-end/27384
* fold-const.c (size_binop): Move sanity check for arguments to
the beginning of the function.
PR middle-end/27488
* fold-const.c (tree_expr_nonnegative_p): Return early on invalid
expression.
2006-05-11 Richard Guenther <rguenther@suse.de>
PR middle-end/27529
* fold-const.c (fold_unary): Handle intermediate conversion
to a pointer type like intermediate conversion to an integer
type in folding of (T1)(T2)var to var.
Match the code to the comment in the final conversion for
(T1)(T2)var to (T1)var regarding to type precision. Rather
than disallow T1 being of pointer type, assert that both T1
and var are of pointer type or not. Make sure not to fall
over the frontends lazyness wrt array to pointer decay though.
2006-05-10 Richard Earnshaw <rearnsha@arm.com>
* arm.c (arm_struct_value_rtx): Delete.
(TARGET_STRUCT_VALUE_RTX): Use the default definition.
(arm_init_cumulative_args): Always initialize nregs to zero.
2006-05-10 Richard Guenther <rguenther@suse.de>
PR tree-optimization/27532
* tree-object-size.c (plus_expr_object_size): Fix typo.
2006-05-10 Kazu Hirata <kazu@codesourcery.com>
PR target/24949
* config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
ashrdi_const, ashrdi3): Use a scratch register.
2006-05-10 Richard Guenther <rguenther@suse.de>
PR tree-optimization/27302
* fold-const.c (operand_equal_p): For two comparisons,
try comparison of one comparison code swapped if that yields
the same code.
2006-05-10 Ben Elliston <bje@au.ibm.com>
* tree-pretty-print.c (pretty_print_string): No need to handle
'\0' as a special character.
* tree.h: Include "hashtab.h".
(iterative_hash_expr): Use hashval_t in its prototype.
* Makefile.in (TREE_H): Add $(HASHTAB_H).
2006-05-09 Steve Ellcey <sje@cup.hp.com>
PR bootstrap/26872
* config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
(hppa*64*-*-hpux11*): Ditto.
(hppa[12]*-*-hpux11*): Ditto.
2006-05-09 David Edelsohn <edelsohn@gnu.org>
PR target/26545
* config/rs6000/aix41.h (TARGET_64BIT): Define.
2006-05-09 Michael Matz <matz@suse.de>
* config.host (<i[34567]86-*-*, x86_64-*-*>): Set
host_extra_gcc_objs and host_xmake_file.
(<*-*-linux*>): Don't overwrite host_xmake_file.
* gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
* config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
(host_detect_local_cpu): Declare.
(CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
* config/i386/i386.c (override_options): Handle -mtune=native
as -mtune=generic.
* config/i386/x-i386: New file.
* config/i386/driver-i386.c: New file.
* doc/invoke.texi (<i386 and x86-64 Options>): Describe
cpu-type "native".
2006-05-09 Dirk Mueller <dmueller@suse.de>
Richard Guenther <rguenther@suse.de>
PR middle-end/27498
* fold-const.c (fold_read_from_constant_string): Relax check
for matching types to matching modes.
2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/27335
* loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
loops.
2006-05-08 Chao-ying Fu <fu@mips.com>
Richard Sandiford <richard@codesourcery.com>
* config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
(vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
* config/mips/mips.md (UNSPEC_SCC): New constant.
* config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
* config/mips/mips.c (mips_reverse_fp_cond_p): New function.
(mips_emit_compare): Use it.
(mips_expand_vcondv2sf): New function.
2006-05-08 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/27093
* tree-ssa-alias.c (recalculate_used_alone): Mark variables for
renaming when they become not-used_alone.
2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
relocation and relocation stubs.
2006-05-08 Eric Christopher <echristo@apple.com>
* unwind-dw2-fde-darwin.c (examine_objects): Only check data
section for ppc.
2006-05-08 Jan Hubicka <jh@suse.cz>
PR middle-end/24561
* cgraphunit.c (decide_is_function_needed): When not optimizing even
unused static functions are needed.
2006-05-08 Roger Sayle <roger@eyesopen.com>
PR target/27158
* reload.c (find_reloads_toplev): Only return the simplified SUBREG
of a reg_equiv_constant if the result is a legitimate constant.
2006-05-08 Uros Bizjak <uros@kss-loka.si>
PR target/27277
* config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
standard 80387 constants, raise the cost to prevent
compress_float_constant() to generate load from memory.
2006-05-08 Kazu Hirata <kazu@codesourcery.com>
* config/arm/constraints.md (c): Fix a typo.
* see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
typos.
2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
PR target/24879
* config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
inline function.
(_mm_mwait): Likewise.
* config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
"mwait".
(sse3_monitor): Make it 32bit only.
(sse3_monitor64): New. 64bit monitor.
2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR target/27421
* config/i386/i386.c (classify_argument): Skip fields with invalid
types.
2006-05-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/27409
* tree-ssa-structalias.c (get_constraint_for_component_ref):
Do not try to find zero-sized subvars.
2006-05-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/27136
* tree-ssa-loop-niter.c (get_val_for): Correct function
comment, assert requirements.
(loop_niter_by_eval): Stop processing if the iterated
value did not simplify.
2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
* opts.c (flag_see): remove its setting at -O3.
2006-05-07 Richard Earnshaw <rearnsha@arm.com>
* genpeep.c (main): Make insn-peep.c depend on flags.h.
* arm/constraints.md: New file.
* arm.h (REG_CLASS_FROM_LETTER_P): Delete.
(CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
(CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
(CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
(CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
(EXTRA_MEMORY_CONSTRAINT): Likewise.
* arm.md: Include constraints.md.
(thumb_movsi_insn): Use satisfies_constraint_J.
(movhi, movqi): Use satisfies_constraint_I.
2006-04-29 Anatoly Sokolov <aesok@post.ru>
* config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
for atmeg a645 device.
2006-05-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/27151
* tree-vect-transform.c (vectorizable_condition): Punt on
values that have a different type than the condition.
2006-05-03 Aldy Hernandez <aldyh@redhat.com>
PR/21391
* c-parser.c (c_parser_cast_expression): Only insert casts into
hash table if pointer.
* function.c (used_types_insert_helper): Rename from
used_types_insert.
(used_types_insert): Call used_types_insert_helper.
* function.h (used_types_insert): Accept only one argument.
2006-05-05 David Edelsohn <edesohn@gnu.org>
* config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
scratch with output modifier.
2006-05-04 David Edelsohn <edelsohn@gnu.org>
PR target/26481
* config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
with output modifier.
2006-05-04 Richard Sandiford <richard@codesourcery.com>
PR target/26765
* config/mips/mips.c (mips_symbolic_address_p): Return true
for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
SYMBOL_GOTTPREL, and SYMBOL_TLS.
2006-05-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/14287
PR tree-optimization/14844
PR tree-optimization/19792
PR tree-optimization/21608
PR tree-optimization/27090
* tree-ssa-pre.c (try_combine_conversion): New function.
(compute_avail): After constructing the value-handle
expression, use try_combine_conversion to combine NOP_EXPRs
with previous value-handle expressions and use the result if it
is available.
2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
* config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2006-05-04 Jan Hubicka <jh@suse.cz>
PR middle-end/25962
* cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/predicates.md (const01_rtx): Tell generator programs
that this only matches CONST_INTs. All users changed to VOIDmode
operands.
* config/bfin/bfin.c: Include "optabs.h".
(bfin_rtx_costs): Some costs for vector operations, to allow combine
to do more work.
(enum bfin_builtins): Add a number of fractional and vector builtins.
(bfin_init_builtins): Likewise.
(struct builtin_description, bdesc_2arg, bdesc_1arg): New.
(safe_vector_operand, bfin_expand_binop_builtin,
bfin_expand_unop_builtin): New functions.
(bfin_expand_builtin): Handle the new builtins.
* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
__ADSPBLACKFIN__.
2006-05-04 Leehod Baruch <leehod@il.ibm.com>
* see.c: New file.
* Makefile.in (OBJS-common): Add see.o.
(see.o): Add dependencies.
* common.opt (fsee): New flag for the see optimization was added.
* opts.c (flag_see): Initialized.
* passes.c (init_optimization_passes, pass_see): New pass.
* rtl.h (see_main): Declaration as extern.
* timevar.def (TV_SEE): New.
* tree-pass.h (pass_see): Declaration as extern.
* invoke.texi (-fsee): Document.
* recog.c (validate_simplify_insn): New function.
* recog.h (validate_simplify_insn): Declaration as extern.
* df-problems.c (df_chain_dump): Check for NULL.
2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
Daniel Berlin <dberlin@dberlin.org>
* cfgrtl.c (insert_insn_bb_end_new): New function.
* basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
* df.h (struct web_entry): Moved from web.c.
(union_defs): Declaration as extern.
(unionfind_root): Likewise.
(unionfind_union): Likewise.
* web.c (struct web_entry): Moved to df.h.
(unionfind_root): Remove static declaration.
(unionfind_union): Likewise.
(union_defs): Likewise and generalize to use callback function.
(web_main): Update arguments for union_defs function call.
2006-05-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26447
* tree-ssa-pre.c (realify_fake_stores): For necessary loads
produce SSA_NAME copies before the store stmt to avoid
breaking exception handling.
2006-05-04 Jakub Jelinek <jakub@redhat.com>
PR middle-end/27388
* gimplify.c (omp_is_private): If var is shared in some outer context,
return false instead of true. Stop searching on parallel context
boundary.
2006-05-03 Alexandre Oliva <aoliva@redhat.com>
PR java/8260
* coverage.c: Use get_gcov_unsigned_t() instead of
unsigned_type_node all over.
2006-05-02 Andrew MacLeod <amacleod@redhat.com>
PR tree-optimization/27381
* tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
maintain the same immediate_use links.
* tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
node rather than segfaulting.
2006-05-03 Jakub Jelinek <jakub@redhat.com>
PR fortran/27395
* gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2006-05-02 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/26626
* tree-ssa-structalias.c (compute_points_to_sets): For now, solve
always.
* tree-ssa-operands.c (access_can_touch_variable): Allow
typecasting through union pointers.
2006-05-02 Jakub Jelinek <jakub@redhat.com>
PR c++/26943
* omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
(build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
to find if var will be a global variable even in the nested context.
(omp_copy_decl): Only check for global variable at the end, it might
be overridden in outer contexts.
(scan_sharing_clauses): For global variables don't create a field.
(lower_rec_input_clauses): Do nothing for global shared variables.
Emit a barrier at the end of ILIST if there were any decls in both
firstprivate and lastprivate clauses.
(lower_send_clauses): Do nothing for global variables except for
COPYIN.
2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
* tree.c (unsigned_type_for, signed_type_for): Make sure a type
of the correct signedness is returned.
2006-05-02 Jeff Law <law@redhat.com>
PR tree-optimization/27364
* tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
multiply expressions.
2006-05-02 Tom Tromey <tromey@redhat.com>
* tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2006-05-02 Kazu Hirata <kazu@codesourcery.com>
PR target/27387
* arm.c (arm_output_mi_thunk): Use pc-relative addressing when
-mthumb -fPIC are used.
2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
Joshua Kinard <kumba@gentoo.org>
PR target/25871
* config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
with 64-bit pointers.
2006-05-02 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (add_minipool_forward_ref): Check if insn
and pool overlap.
(create_fix_barrier): Check that a suitable barrier location is
found.
(arm_reorg): Include ftmp->address in allowable range of addresses.
2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
PR ada/27366
* ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
on Cygwin.
2006-05-02 Jakub Jelinek <jakub@redhat.com>
PR middle-end/27337
* gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
around RESULT_DECL for result passed by reference.
(gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
* omp-low.c (use_pointer_for_field): Don't look at
DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
(scan_omp_1): Call remap_decl on RESULT_DECLs.
(lower_rec_input_clauses): Don't allocate VLA memory for the second
time or var for passing by reference for
OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
TREE_ADDRESSABLE variables when passing by reference.
* omp-low.c (dump_omp_region): Fix output formatting.
PR middle-end/27328
* omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
(expand_omp_parallel): Likewise.
* tree-cfg.c (move_sese_region_to_fn): Likewise.
PR middle-end/27325
* omp-low.c (lower_omp_sections): Call maybe_catch_exception
on statement list containing also constructors and destructors.
(lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
PR middle-end/27310
* except.c (duplicate_eh_regions): Fix clearing of
cfun->eh->region_array entries.
2006-05-01 DJ Delorie <dj@redhat.com>
* configure.ac (gcc_cv_nm): Don't use an in-tree nm if
build!=host.
(gcc_cv_objdump): Likewise.
* configure: Regenerated.
2006-05-01 Kazu Hirata <kazu@codesourcery.com>
PR target/27374
* config/arm/vfp.md (*arm_movdi_vfp): Correct the output
templates for case 3 and 4.
2006-05-01 DJ Delorie <dj@redhat.com>
* vec.c: Include bconfig.h when appropriate.
* Makefile.in (build/vec.o): Adjust dependencies.
* mkconfig.sh: Make sure config.h isn't used for build machine
compiles.
2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
* tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
variables.
(mark_phi_for_rewrite): New function.
(insert_phi_nodes_for, mark_use_interesting): Call
mark_phi_for_rewrite.
(rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
(update_ssa): Initialize and free phis_to_rewrite.
2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/27291
* loop-doloop.c (add_test, doloop_modify): Handle the case condition is
folded to a constant.
2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/27283
* tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
not whole # of iteration descriptions.
(niter_for_exit): Return just # of iterations. Fail if # of iterations
uses abnormal ssa name.
(niter_for_single_dom_exit): Ditto.
(find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
return just the number of iterations.
2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/27144
* tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
(record_estimate): Only record constant upper bound.
(infer_loop_bounds_from_undefined): Call
compute_estimated_nb_iterations just once.
(proved_non_wrapping_p): Renamed to ...
(n_of_executions_at_most): ... this. Expect bound to be a constant.
(convert_step_widening, scev_probably_wraps_p): Call
n_of_executions_at_most instead of proved_non_wrapping_p.
(substitute_in_loop_info): Do not replace values in bounds.
* cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
comments.
2006-05-01 Richard Henderson <rth@redhat.com>
PR c/27358
* c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
CPP_PRAGMA.
2006-05-01 Roger Sayle <roger@eyesopen.com>
* c-typeck.c (parser_build_binary_op): Don't call the function
unsigned_conversion_warning to spot operand/result type overflow.
(build_binary_op): Instead, call convert_and_check instead of
convert to report the problem when the operands are promoted.
* c-common.c (unsigned_conversion_warning): Make static.
* c-common.h (unsigned_conversion_warning): Delete prototype.
2006-05-01 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26726
* tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
problem ...
(find_interesting_uses_address): ... we work around here
by folding INDIRECT_REFs in the substituted base.
2006-05-01 Diego Novillo <dnovillo@redhat.com>
* omp-low.c (dump_omp_region): Add newlines.
2006-04-30 Roger Sayle <roger@eyesopen.com>
* common.opt (Woverflow): New command line option.
* c-common.c (constant_expression_warning): Check warn_overflow.
(overflow_waring): Pass OPT_Woverflow to warning.
(unsigned_conversion_warning): Likewise.
(convert_and_check): Likewise.
* doc/invoke.texi: Document new command line option.
2006-04-30 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.c (rs6000_override_options): Enable
TARGET_NO_FP_IN_TOC for section anchors.
(optimization_options): Enable section anchors for all
non-"Objective" languages.
2006-04-28 Eric Christopher <echristo@apple.com>
* config/darwin-c.c (darwin_ms_struct): Move this
(darwin_set_default_type_attributes): and this...
* config/darwin.c: ... here.
* config/darwin.h (darwin_ms_struct): Declare.
2006-04-28 Andrew MacLeod <amacleod@redhat.com>
* tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2006-04-28 Roger Sayle <roger@eyesopen.com>
PR c/25309
* c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
(push_array_bounds): Delete prototype. Change BOUNDS argument to
an unsigned HOST_WIDE_INT.
(print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
array index.
(really_start_incremental_init): No need to call convert because
bitsize_zero_node is already of type bitsizetype.
(push_init_level): Extract the value of constructor_index as an
unsigned HOST_WIDE_INT quantity, using tree_low_cst.
(process_init_element): Likewise.
2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
* gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
value before passing to make_relative_prefix.
2006-04-28 Alan Modra <amodra@bigpond.net.au>
PR middle-end/27260
* builtins.c (expand_builtin_memset): Expand val in original mode.
2006-04-27 Eric Christopher <echristo@apple.com>
* target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
with #ifndef/#endif.
* config/darwin-c.c (darwin_ms_struct): New.
(darwin_pragma_ms_struct): Ditto.
(darwin_set_default_type_attributes): Ditto.
* config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
* config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
Register ms_struct pragma.
* config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
(TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
* config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
darwin_set_default_type_attributes if TARGET_MACHO.
2006-04-27 Andrew MacLeod <amacleod@redhat.com>
PR tree-optimization/26854
* tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
* doc/tree-ssa.texi: Update immuse iterator documentation.
* tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
* tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
* tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
first_safe_imm_use, next_safe_imm_use): Remove.
(end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
(end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
(move_use_after_head): New. Helper function to sort immuses in a stmt.
(link_use_stmts_after): New. Link all immuses in a stmt consescutively.
(first_imm_use_stmt): New. Get first stmt in an immuse list.
(next_imm_use_stmt): New. Get next stmt in an immuse list.
(first_imm_use_on_stmt): New. Get first immuse on a stmt.
(end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
(next_imm_use_on_stmt): New. Move to next immuse on a stmt.
* tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
(perfect_nestify): Use new iterator.
* tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
iterator.
* tree-flow.h (struct immediate_use_iterator_d): Add comments.
(next_imm_name): New field in struct immediate_use_iterator_d.
(FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
(FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
* tree-cfg.c (replace_uses_by): Use new iterator.
* tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
* tree-ssa-operands.c (correct_use_link): Remove.
(finalize_ssa_use_ops): No longer call correct_use_link.
2006-04-27 Stuart Hastings <stuart@apple.com>
* config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
* config/t-darwin (crt3.o): Use it.
* config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
'pmode', use Pmode instead of SImode for SYMBOL_REF.
* config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
support.
2006-04-27 Roger Sayle <roger@eyesopen.com>
* expmed.c (store_fixed_bit_field): If we're not optimizing for
size, force the intermediate into a new pseudo rather instead of
performing both a bitwise AND and a bitwise IOR in memory.
2006-04-27 Richard Guenther <rguenther@suse.de>
PR rtl-optimization/26685
* params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
this one "max-flow-memory-locations".
2006-04-27 Richard Guenther <rguenther@suse.de>
PR tree-optimization/25148
* tree-vrp.c (compare_values): Remove code dealing with
comparisons against type min/max value. Honour overflow
and negative constants in code dealing with comparisons
of plus and minus expressions.
(value_inside_range): Use fold_binary with LE_EXPR and
GE_EXPR rather than compare_values.
2006-04-27 Dirk Mueller <dmueller@suse.de>
* config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
prototype for SSE.
2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
* basic-block.h (safe_insert_insn_on_edge): Removed.
* cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2006-04-26 David Edelsohn <edelsohn@gnu.org>
Paolo Bonzini <bonzini@gnu.org>
PR middle-end/27282
* combine.c (simplify_and_const_int_1): Use gen_int_mode.
(simplify_and_const_int): Same.
2006-04-26 Aldy Hernandez <aldyh@redhat.com>
* tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2006-04-26 Jakub Jelinek <jakub@redhat.com>
PR c/26171
* cgraph.c (cgraph_varpool_finalize_decl): Don't call
cgraph_varpool_assemble_pending_decls if -fopenmp, unless
cgraph_global_info_ready.
PR middle-end/26913
* tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
PR c/25996
* c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
either decl or init is error_mark_node.
PR middle-end/25989
* tree-flow.h (struct omp_region): Add sched_kind.
* omp-low.c (expand_parallel_call): Use region->inner->sched_kind
instead of extracting omp for data.
(expand_omp_for): Save extracted sched_kind.
2006-04-25 Roger Sayle <roger@eyesopen.com>
* expmed.c (store_bit_field): Also check whether the bitsize is
valid for the machine's "insv" instruction before moving the
target into a pseudo for use with the insv.
* config/i386/predicates.md (const8_operand): New predicate.
* config/i386/i386.md (extv, extzv, insv): Use the new
const8_operand predicate where appropriate.
2006-04-25 DJ Delorie <dj@redhat.com>
* doc/install.texi (Specific): Clarify that this is not a list of
supported hosts or targets.
2006-04-25 Richard Sandiford <richard@codesourcery.com>
PR rtl-optimization/26725
* cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
block's BB_DIRTY flag.
2006-04-25 Geoffrey Keating <geoffk@apple.com>
* dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
are no branches.
* dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
to print an integer.
2006-04-25 David Edelsohn <edelsohn@gnu.org>
* varasm.c (align_variable): New function.
(get_block_for_decl): Apply align_variable to DECL before
calculating section information.
(assemble_variable): Split out alignment computation.
2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
* expmed.c (store_bit_field): Handle paradoxical subregs on big endian
machines.
2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
* genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
MODE_PARTIAL_INT mode.
* config/bfin/bfin-modes.def: Add V2PDI and V2SI.
* config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
for CONST_INTs.
(hard_regno_mode_ok): V2PDImode is ok for accumulators.
* config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
V2PDImode.
* config/bfin/predicates.md (const01_operand, vec_shift_operand):
New predicates.
* config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
New constants.
(MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
MACFLAG_IH): Likewise.
(movstricthi_1): Renamed from "*movstricthi".
(load_accumulator, load_accumulator_pair, movsi_insv, insv,
ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
flag_macv2hi_parts, flag_macv2hi_parts_acconly,
flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
* doc/rtl.texi (ss_ashift): Improve wording.
2006-04-24 Geoffrey Keating <geoffk@apple.com>
* dwarf2out.c (verify_marks_clear): New.
(prune_unused_types): Call verify_marks_clear initially, not
prune_unmark_dies.
2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
* rtl.def (SS_ASHIFT, SS_NEG): New codes.
* doc/rtl.texi: Document them.
* simplify-rtx.c (simplify_unary_operation,
simplify_binary_operation_1): Don't abort when we see them.
2006-04-24 Mark Mitchell <mark@codesourcery.com>
Revert:
2006-04-23 Mark Mitchell <mark@codesourcery.com>
* configure.ac: Completely disregard languages that are not
enabled.
* configure: Regenerated.
2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
Richard Guenther <rguenther@suse.de>
PR tree-optimization/27236
* tree-inline.c (copy_body_r): Make sure to copy
TREE_THIS_VOLATILE flag.
2006-04-24 Richard Guenther <rguenther@suse.de>
PR middle-end/26869
* tree-complex.c (update_parameter_components): Don't handle
unused parameters which have no default def.
2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
Richard Guenther <rguenther@suse.de>
PR tree-optimization/27218
* tree-inline.c (expand_call_inline): Strip useless type
conversions for the return slot address.
2006-04-24 Richard Guenther <rguenther@suse.de>
* cfgloop.h (struct loops): Remove unused field array. Reorder
state after num.
(LOOP_PREFETCH): Remove.
2006-04-24 Richard Guenther <rguenther@suse.de>
PR tree-optimization/22525
* value-prof.c (tree_mod_pow2): Remove unnecessary temporary
variable, adjust types of generated expressions.
2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
* Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
(tree-vect-patterns.o): Likewise.
(jump.o): Likewise.
(cselib.o): Likewise.
(loop-doloop.o): Likewise.
(regclass.o): Likewise.
(reload1.o): Likewise.
(explow.o): Replace target.h with $(TARGET_H).
(ipa-prop.o): Likewise.
(ipa-cp.o): Likewise.
(ipa-inline.o): Likewise.
(reorg.o): Likewise.
(reg-stack.o): Likewise.
2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
* tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2006-04-23 Mark Mitchell <mark@codesourcery.com>
* print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
* configure.ac: Completely disregard languages that are not
enabled.
* configure: Regenerated.
PR c++/26534
* c-common.h (c_build_bitfield_integer_type): Declare.
* c-decl.c (c_build_bitfield_integer_type): Move to ...
* c-common.c (c_build_bitfield_integer_type): ... here.
2006-04-23 Roger Sayle <roger@eyesopen.com>
PR target/21283
* config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
a SImode SUBREG of a floating point register after no_new_pseudos.
2006-04-23 Roger Sayle <roger@eyesopen.com>
* config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
identify potentially eliminable registers to additionally catch
VIRTUAL_INCOMING_ARGS_REGNUM.
(addsi3): Update the conditions on when to use addsi_small_int.
2006-04-23 Roger Sayle <roger@eyesopen.com>
PR target/16641
* config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
* fold-const.c (range_predecessor): Use operand_equal_p
as the predicate for equality.
(range_successor): Likewise.
2006-04-22 Kazu Hirata <kazu@codesourcery.com>
Revert:
* config/soft-fp/op-common.h: Fix a typo.
2006-04-22 Frank Ch. Eigler <fche@redhat.com>
PR libmudflap/26864
* common.opt (flag_mudflap_threads): Overload flag_mudflap.
* tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2006-04-22 Kazu Hirata <kazu@codesourcery.com>
* config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
Fix comment typos.
* doc/tm.texi: Fix a typo.
2006-04-21 Geoffrey Keating <geoffk@apple.com>
* dwarf2out.c (struct die_struct): Document that die_sib makes
a circular linked list.
(FOR_EACH_CHILD): New.
(reverse_die_lists): Delete.
(reverse_all_dies): Delete.
(add_dwarf_attr): Correct documentation.
(remove_child_with_prev): New.
(remove_child_TAG): Update for change to die_struct, use
remove_child_with_prev.
(add_child_die): Update for change to die_struct.
(splice_child_die): Use remove_child_with_prev and add_child_die.
(print_die): Use FOR_EACH_CHILD.
(die_checksum): Likewise.
(assign_symbol_names): Likewise.
(output_location_lists): Likewise.
(build_abbrev_table): Likewise.
(calc_die_sizes): Likewise.
(mark_dies): Likewise.
(unmark_dies): Likewise.
(unmark_all_dies): Likewise.
(output_die): Likewise.
(prune_unused_types_mark): Likewise.
(prune_unused_types_walk): Likewise.
(same_die_p): Update for change to die_struct.
(break_out_includes): Likewise.
(prune_unused_types_prune): Likewise.
(add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
(prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
it's already clear.
(dwarf2out_finish): Don't call reverse_all_dies.
2006-04-21 Eric Christopher <echristo@apple.com>
* df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
in comments and function names.
2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c/25875
* c-typeck.c (digest_init): Robustify.
* c-typeck.c (pop_init_level): Simplify.
2006-04-21 Steve Ellcey <sje@cup.hp.com>
* config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2006-04-21 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (arm_override_options): Error on iWMMXt and
hardware floating point.
2006-04-21 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
NON_FLOAT_REGS.
2006-04-21 Nick Clifton <nickc@redhat.com>
* config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
OPT_EXTRA_PARTS.
2006-04-21 Alan Modra <amodra@bigpond.net.au>
PR target/27230
* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
C++ lang type in traceback table for Objective-C++.
* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR mudflap/26789
* tree-mudflap.c (mudflap_finish_file): Skip function when there
were errors. Remove check for erroneous objects.
2006-04-20 Jeff Law <law@redhat.com>
PR tree-optimization/26854
* tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
checking for zero or one use.
* tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
* tree-cfgcleanup.c (merge_phi_nodes): Similarly.
* tree-ssa-reassoc.c (negate_value): Similarly.
(reassociate_bb): Similarly.
2006-04-20 Jakub Jelinek <jakub@redhat.com>
* c-pretty-print.c (pp_c_direct_abstract_declarator): Print
TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2006-04-20 Alan Modra <amodra@bigpond.net.au>
* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
fp regs if the last fp arg doesn't fit in regs.
2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
PR target/27182
* config/sh/sh.md (movsicc_true+3): Tweak condition for the case
that the last insn has the REG_INC note.
2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
Nathan Sidwell <nathan@codesourcery.com>
PR c/26774
* stor-layout.c (update_alignment_for_field): Do not align
ERROR_MARK nodes.
(place_union_field): Place union field at the start of the union.
(place_field): Move ERROR_MARK check later, and use the current
allocation position to maintain monotonicity.
2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
* dominance.c: Include timevar.h.
(calculate_dominance_info): Use TV_DOMINANCE.
* timevar.def (TV_DOMINANCE): New timevar.
* Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
PR rtl-optimization/14261
* ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
move would be an INSV insn.
(noce_process_if_block): Don't optimize if the destination is a
ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.md: Add comments with the instructions emitted
by an insn pattern if macros are used.
2006-04-19 Alan Modra <amodra@bigpond.net.au>
PR rtl-optimization/26026
* fold-const.c (fold_binary): Optimize div and mod where the divisor
is a known power of two shifted left a variable amount.
2006-04-18 Geoffrey Keating <geoffk@apple.com>
* dwarf2out.c (prune_unused_types_update_strings): Don't add strings
to hash table twice when the debug_str section has SECTION_MERGE.
2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
* config/soft-fp: New directory. From glibc.
* config/soft-fp/t-softfp: New.
* config/soft-fp/README: New.
* mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
* Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
(libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
(LIBGCC_DEPS): Add $(SFP_MACHINE).
* config.gcc: Use rs6000/t-fprules-fpbit or
rs6000/t-fprules-softfp and soft-fp/t-softfp together with
rs6000/t-fprules.
* config/rs6000/sfp-machine.h: New. Based on glibc.
* config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
New.
* config/rs6000/t-fprules: Remove fp-bit rules.
* config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
* config/rs6000/t-linux64: Likewise. Remove duplicates from
LIB2FUNCS_EXTRA. Remove fp-bit rules.
(softfp_wrap_start, softfp_wrap_end): New.
2006-04-18 DJ Delorie <dj@redhat.com>
* config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2006-04-18 Devang Patel <dpatel@apple.com>
* doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2006-04-18 Nick Clifton <nickc@redhat.com>
* config/sh/t-symbian: Add rule to build sh-c.o
* config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
(sh_symbian_encode_section_info): Likewise.
2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
* builtins.c (expand_builtin_strcmp): Cover label definition of
do_libcall with HAVE_cmpstrnsi.
2006-04-18 Kazu Hirata <kazu@codesourcery.com>
* function.c (temp_slots_at_level, max_slot_level): Use VEC
instead of VARRAY.
* function.h (temp_slot_p): New.
(function): Change the type of x_used_temp_slots to
VEC(temp_slot_p,gc) *.
2006-04-18 Nick Clifton <nickc@redhat.com>
* config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
flag_strength_reduce.
* doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2006-04-18 Paolo Bonzini <bonzini@gnu.org>
PR target/27117
Partial revert of revision 112637
2006-04-03 Paolo Bonzini <bonzini@gnu.org>
Dale Johannesen <dalej@apple.com>
PR target/19653
* regclass.c (struct reg_pref): Update documentation.
(regclass): Set prefclass to NO_REGS if memory is the best option.
(record_reg_classes): Cope with a prefclass set to NO_REGS.
2006-04-18 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/26821
* tree-ssa-math-opts.c (get_constant_one): New.
(insert_reciprocals): Use it.
2006-04-17 Geoffrey Keating <geoffk@apple.com>
* dwarf2out.c (free_AT): Delete.
(remove_AT): Update string ref counts.
(remove_child_TAG): Don't call free_die.
(free_die): Delete.
(break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
or DW_TAG_GNU_EINCL.
(prune_unused_types_walk_attribs): Reset string refcounts.
(prune_unused_types_update_strings): New.
(prune_unused_types_prune): Don't make unnecessary stores. Don't
call free_die. Do call prune_unused_types_update_strings.
(prune_unused_types): Empty debug_str_hash.
2006-04-17 Roger Sayle <roger@eyesopen.com>
* expr.c (expand_assignment): Optimize away no-op moves where the
source and destination are equal and have no side-effects.
2006-04-17 Richard Guenther <rguenther@suse.de>
PR target/26826
* reload.c (push_reload): Guard calls to get_secondary_mem
for memory subregs.
2006-04-16 Kazu Hirata <kazu@codesourcery.com>
* alias.c (reg_base_value, old_reg_base_value): Change the
type to VEC(rtx,gc) *.
(REG_BASE_VALUE, find_base_value, record_set,
init_alias_analysis): Use VEC instead of VARRAY.
* alias.c (alias_sets): Change the type to
VEC(alias_set_entry,gc) *.
(get_alias_set_entry, new_alias_set, record_alias_subset): Use
VEC instead of VARRAY.
(last_alias_set): Remove.
* cgraph.h (cgraph_edge_p): New.
Update the prototype of cgraph_function_versioning.
* cgraphunit.c (cgraph_copy_node_for_versioning,
cgraph_function_versioning): Use VEC instead of VARRAY.
* ipa-cp.c (ipcp_insert_stage): Likewise.
2006-04-16 Roger Sayle <roger@eyesopen.com>
PR target/26961
* fold-const.c (fold_ternary): When converting "A ? B : C" into either
"A op B" or "A op C", we may need to convert A to the type of B and C.
2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
* target.h (struct gcc_target): Add mode_rep_extended.
* rtlanal.c (num_sign_bit_copies_in_rep): New global.
(init_num_sign_bit_copies_in_rep): Initialize it using
mode_rep_extended.
(truncate_to_mode): Use it.
(init_rtlanal): Call init_num_sign_bit_copies_in_rep.
* targhooks.h (default_mode_rep_extended): Declare it.
* targhooks.c (default_mode_rep_extended): Define it.
* target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
default_mode_rep_extended.
(TARGET_INITIALIZER): Include it.
* doc/tm.texi (Misc): Document it.
* config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
(mips_truncated_to_mode): New function.
2006-04-16 Roger Sayle <roger@eyesopen.com>
PR middle-end/25474
* expr.c (compress_float_constant): Copy the narrow constant into
a new pseudo before extending it to its final width.
2006-04-16 Roger Sayle <roger@eyesopen.com>
Andrew Pinski <pinskia@gcc.gnu.org>
Dale Johannesen <dalej@apple.com>
PR target/24076
* config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
special case code to implement V8HImode and V16QImode with SSE2.
2006-04-15 Roger Sayle <roger@eyesopen.com>
* config/i386/i386.c (ix86_va_start): Ensure all integer constant
trees are constructed with a suitable tree type.
2006-04-15 Roger Sayle <roger@eyesopen.com>
* tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
(integer_onep): Likewise.
(integer_all_onesp): Likewise.
(integer_pow2p): Likewise.
(integer_nonzerop): Likewise.
(real_zerop): Likewise.
(real_onep): Likewise.
(real_twop): Likewise.
(real_minus_onep): Likewise.
(int_size_in_bytes): Likewise.
(host_integerp): Likewise.
2006-04-15 Kazu Hirata <kazu@codesourcery.com>
* cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
jump.c, mips-tfile.c, omp-low.c, sched-int.h,
tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
* tree-ssa-structalias.h (alias_info): Remove num_references.
2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa.md (output_bb patterns): Shorten long branch alternatives by 4.
(output_bvb patterns): Likewise.
* pa.c (output_bb): Use 'bb' insn for long branch case.
(output_bvb): Likewise use '{bvb|bb}' for long branch case.
(output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1. Correct length operand for alternatives 1 and 2.
(output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2006-04-14 Roger Sayle <roger@eyesopen.com>
* tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
were accidentally reverted by r112959.
2006-04-15 Jakub Jelinek <jakub@redhat.com>
PR middle-end/26823
* except.h (eh_region_outermost): New prototype.
* except.c (eh_region_outermost): New function.
* tree-cfg.c (find_outermost_region_in_block): Use it.
2006-04-14 Kazu Hirata <kazu@codesourcery.com>
* local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
of VARRAY.
* reload1.c (reg_equiv_memory_loc_varray): Rename to
reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
(init_reload, reload): Use VEC instead of VARRAY.
* reload.h: Update the prototype for
reg_equiv_memory_loc_varray.
2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
Eric Botcazou <ebotcazou@libertysurf.fr>
* config/sparc/sparc.c (emit_and_preserve): Allocate space for the
register save area.
2005-04-13 Uros Bizjak <uros@kss-loka.si>
PR middle-end/27134
* builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
to expand fallback builtin function call.
2006-04-14 Alan Modra <amodra@bigpond.net.au>
PR middle-end/27095
* builtins.c: (expand_builtin_memset): Stabilize args before expansion
and emit libcall here in case the builtin fails.
(expand_builtin_strcmp): Always emit the libcall here on failure.
2006-04-14 Kazu Hirata <kazu@codesourcery.com>
* basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
* flow.c (reg_n_info): Change the type to
VEC(reg_info_p,heap) *.
* regclass.c (allocate_reg_info, free_reg_info): Use VEC
instead of VARRAY.
* regs.h (reg_info_p): New.
(REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
instead of VARRAY.
2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
* params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
defaulting to 100.
* params.h (MAX_SCHED_READY_INSNS): New macro.
* haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
past MAX_SCHED_READY_INSNS during the first scheduling pass.
(schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
the ready list for 1 cycle during the first scheduling pass.
* doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2006-04-13 Richard Henderson <rth@redhat.com>
PR libgomp/26651
* gimple-low.c (lower_omp_directive): Remove dead code.
(lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
* gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
* omp-low.c (struct omp_region): Move to tree-flow.h.
(root_omp_region): Export.
(omp_regions, lookup_omp_region): Remove.
(determine_parallel_type): Update for struct omp_region changes.
(dump_omp_region): Dump regions with block numbers.
(new_omp_region): Take type and block instead of stmt; malloc
instead of ggc.
(free_omp_region_1, free_omp_regions): New.
(expand_parallel_call): Take entry_stmt as argument; update for
changes to omp_region.
(remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
(remove_exit_barriers): New.
(expand_omp_parallel): Update for struct omp_region changes.
(expand_omp_synch): Likewise.
(expand_omp): Likewise.
(expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
(expand_omp_for_static_chunk): Likewise.
(expand_omp_for): Likewise.
(expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
(expand_omp_sections): Similarly, with GOMP_sections_end.
(expand_omp_single): New.
(build_omp_regions_1): Update for OMP_CONTINUE.
(execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
(lower_omp_sections): Expand with OMP_CONTINUE, do not collect
OMP_SECTIONS_SECTIONS.
(lower_omp_single_simple): Don't emit barrier here.
(lower_omp_single_copy): Likewise.
(lower_omp_single): Fix bindings, and lower to straightline now.
(lower_omp_master, lower_omp_ordered): Likewise.
(lower_omp_critical): Likewise.
(lower_omp_for): Likewise. Emit OMP_CONTINUE.
* tree-cfg.c (make_edges): Collect an omp_region tree, use it for
omp edges, free it afterward.
(make_omp_sections_edges): Remove.
(is_ctrl_altering_stmt): Don't bother checking flag_openmp.
(move_stmt_r): Handle OMP_CONTINUE.
* tree-flow.h (struct omp_region): Move from omp-low.c. Switch
statement pointers to basic blocks. Add type member.
(root_omp_region, new_omp_region, free_omp_regions): Declare.
* tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
* tree-inline.c (estimate_num_insns_1): Likewise.
* tree-pretty-print.c (dump_generic_node): Likewise.
* tree-ssa-operands.c (get_expr_operands): Likewise.
* tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
(OMP_RETURN): Rename from OMP_RETURN_EXPR.
(OMP_CONTINUE): New.
* tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
(OMP_SECTIONS_SECTIONS): Remove.
(OMP_SECTION_LAST): New.
(OMP_RETURN_NOWAIT): New.
2006-04-13 Roger Sayle <roger@eyesopen.com>
* fold-const.c (native_encode_vector, native_interpret_real):
Correct obvious mistakes in the previous check-in.
2006-04-13 Roger Sayle <roger@eyesopen.com>
* fold-const.c (native_encode_expr): New function to encode
the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
or VECTOR_CST into a specified buffer.
(native_encode_int): New function.
(native_encode_real): New function.
(native_encode_complex): New function.
(native_encode_vector): New function.
(native_interpret_expr): Inverse of native_encode_expr to convert
a target representation into an INTEGER_CST, REAL_CST etc...
(native_interpret_int): New function.
(native_interpret_real): New function.
(native_interpret_complex): New function.
(native_interpret_vector): New function.
(fold_view_convert_expr): New function to constant fold/evaluate
a VIEW_CONVERT_EXPR of a suitable constant expression.
(fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
Change call of build1 to fold_build1 when constructing a
VIEW_CONVERT_EXPR.
2006-04-13 Paolo Bonzini <bonzini@gnu.org>
Ulrich Weigand <uweigand@de.ibm.com>
PR target/27006
* config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
to be even.
2006-04-13 Alan Modra <amodra@bigpond.net.au>
PR target/26459
* config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
optimize to lo_sum for DFmode if !TARGET_FPRS.
2006-04-12 Kazu Hirata <kazu@codesourcery.com>
* tree-ssa-alias.c (set_initial_properties, init_alias_info,
delete_alias_info, compute_flow_sensitive_aliasing,
group_aliases): Use VEC instead of VARRAY.
* tree-ssa-structalias.c (update_alias_info): Likewise.
* tree-ssa-structalias.h (alias_info): Change the type of
processed_ptrs to VEC(tree,heap) *.
2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
PR target/27060
* config/sh/lib1funcs.h: New file, broken out of:
* config/sh/lib1funcs.asm.
* config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
New macros.
* config/sh/lib1funcs.asm (udivsi3_i4): Use them.
* config/sh/lib1funcs-Os-4-200.asm: New file.
* config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
* config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
(EXTRA_MULTILIB_PARTS): Include it.
($(T)sdivsi3_i4i-Os-4-200.o): New rule.
($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
* config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
* config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
TARGET_SH2.
2006-04-12 Kazu Hirata <kazu@codesourcery.com>
* Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
* tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
tpa_compact, root_var_init, type_var_init): Use VEC instead of
VARRAY.
* tree-ssa-live.h: Include vecprim.h.
(tree_partition_associator_d): Change the type of
first_partition to VEC(int,heap) *.
(tpa_first_partition): Use VEC instead of VARRAY.
* Makefile.in (GTFILES): Move functions.h after tree.h.
* function.c (reset_block_changes, record_block_change,
check_block_change, free_block_changes): Use VEC instead of
VARRAY.
* function.h (function): Change the type of
ib_boundaries_block to VEC(tree,gc) *.
* tree-inline.c (copy_cfg_body): Initialize
ib_boundaries_block to NULL instead of (varray_type) 0.
2006-04-12 Roger Sayle <roger@eyesopen.com>
* expr.c (emit_group_store): Correct operand order in call to
subreg_lowpart_offset. Always create paradoxical SUBREGs with
a SUBREG_BYTE of zero.
2006-04-12 Richard Guenther <rguenther@suse.de>
* profile.c (compute_branch_probabilities): Remove code
encapsulated in !ir_type (), which are remanents of the
removed RTL profiling code.
* rtl-profile.c: Remove.
2006-04-12 Alan Modra <amodra@bigpond.net.au>
* config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
magic NULL_RTX comment.
(function_arg): Store entire fp arg to mem if any part should go
on stack.
(rs6000_arg_partial_bytes): Adjust for above change.
2006-04-11 Roger Sayle <roger@eyesopen.com>
* dwarf2out.c (output_call_frame_info): Create debug_frame_section
if it hasn't been initialized by dwarf2out_init.
2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
* pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
symbolic constants in branch patterns.
2006-04-11 Roger Sayle <roger@eyesopen.com>
* caller-save.c: #include "addresses.h" after #include "tm_p.h".
2006-04-11 Richard Sandiford <richard@codesourcery.com>
PR rtl-optimization/27073
* gcse.c (try_replace_reg): Revert last change. Continue to search
for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
on the former.
2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
* config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
aggregate types other than record and union types.
(function_arg): Likewise.
(function_arg_pass_by_reference): In 64-bit mode, return 0 for
small arrays.
(function_value): In 64-bit mode, return objects that require it
in FP registers.
2006-04-11 Roger Sayle <roger@eyesopen.com>
* dwarf2out.c (premark_used_types): Remove problematic prototype.
2006-04-11 Jakub Jelinek <jakub@redhat.com>
* gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2006-04-03 Jeff Law <law@redhat.com>
PR/27087
* tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
alias information too.
2006-04-10 Mike Frysinger <vapier@gentoo.org>
* Makefile.in (gcc-cross): Add $(exeext) to target name.
2006-04-10 Aldy Hernandez <aldyh@redhat.com>
PR/21391
* dwarf2out.c (struct die_struct): Add die_perennial_p field.
(premark_used_types_helper): New.
(premark_used_types): New.
(gen_subprogram_die): Call premark_used_types.
(prune_unused_types_walk): Do not prune perennial dies.
* function.c (used_types_insert): New.
* function.h (struct function): Add used_types_hash field.
(used_types_insert): Add prototype.
* Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
* c-parser.c (c_parser_cast_expression): Save casted types in used
types hash table.
2006-04-11 Mark Mitchell <mark@codesourcery.com>
PR target/26459
* config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
rs6000_explicit_options.float_gprs.
2006-04-10 Roger Sayle <roger@eyesopen.com>
* config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
from ix86_expand_vector_init_low_nonzero. Take an additional
one_var argument indicating which element is non-zero. Support
one_var != 0 for V4SFmode and V4SImode by permuting the result.
(ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
with one_var instead of ix86_expand_vector_init_low_nonzero.
2006-04-10 Kazu Hirata <kazu@codesourcery.com>
* Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
global.o, cfglayout.o, lambda-code.o, reg-stack.o,
build/genextract.o): Depend on vecprim.h.
* cfglayout.c, df-problems.c, function.c, genextract.c,
global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
vecprim.h.
* vecprim.h: New.
2006-04-10 Geoffrey Keating <geoffk@apple.com>
* dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
Declare VECs of this type.
(struct die_struct): Make field die_attr a VEC of dw_attr_struct.
(remove_children): Delete.
(add_dwarf_attr): Use VEC routines.
(add_AT_flag): Update for changes to add_dwarf_attr.
(add_AT_int): Likewise.
(add_AT_unsigned): Likewise.
(add_AT_long_long): Likewise.
(add_AT_vec): Likewise.
(add_AT_string): Likewise.
(add_AT_die_ref): Likewise.
(add_AT_fde_ref): Likewise.
(add_AT_loc): Likewise.
(add_AT_loc_list): Likewise.
(add_AT_addr): Likewise.
(add_AT_lbl_id): Likewise.
(add_AT_lineptr): Likewise.
(add_AT_macptr): Likewise.
(add_AT_offset): Likewise.
(add_AT_range_list): Likewise.
(get_AT): Use VEC_iterate.
(remove_AT): Use VEC_ordered_remove.
(free_die): Fold remove_children into here; have it use VEC_iterate.
(print_die): Use VEC_iterate on attrs.
(reverse_die_lists): Don't reverse attr lists.
(die_checksum): Use VEC_iterate on attrs.
(same_die_p): Likewise.
(output_location_lists): Likewise.
(build_abbrev_table): Likewise.
(size_of_die): Likewise.
(unmark_all_dies): Likewise.
(output_abbrev_section): Likewise.
(output_die): Likewise.
(prune_unused_types_walk_attribs): Likewise.
2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
* doc/install.texi (*-*-solaris2*): Point to the configure page.
2006-04-10 Jakub Jelinek <jakub@redhat.com>
PR debug/27057
* dwarf2out.c (is_symbol_die): Return true also for namespaces.
2006-04-09 Roger Sayle <roger@eyesopen.com>
* expr.c (store_constructor): Don't bother clearing target if
we're about to assign a vector to it using vec_init_optab.
2006-04-10 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-alias.c (lhs_may_store_to): New function.
(recalculate_used_alone): Handle LHS of calls.
2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR target/27034
PR target/26508
* config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
* pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
(LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
(PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
(PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
(PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
stubs. Add ".align 8" directives before all ".dword" directives.
(GTHREAD_USE_WEAK): Revise comment.
(TARGET_ATTRIBUTE_WEAK): Define.
* pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
* stublib.c: New file.
PR target/26743
PR target/11254
PR target/10274
* pa.md (cbranch patterns): Revise arguments used in calls to
output_cbranch, output_bb and output_bvd. Add long branch length
attributes.
(fbranch patterns): Handle long branches.
(jump): Revise length check. Revise arguments for output_lbranch call.
Add long branch length attributes.
(decrement_and_branch_until_zero): Add long branch length attributes.
(output_movb, output_parallel_addb and output_parallel_movb patterns):
Likewise. Revise arguments for output_parallel_addb and
output_parallel_movb calls.
* pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
output_parallel_movb and output_parallel_addb): Update prototypes.
* pa.c (output_cbranch): Revise arguments. Correct handling of
nullification in long branches.
(output_lbranch): Add new argument to control extraction of delay
instruction.
(output_bb): Handle long branches.
(output_bvb, output_dbra, output_movb, output_parallel_movb,
output_parallel_addb): Likewise.
2006-04-09 Richard Sandiford <richard@codesourcery.com>
PR rtl-optimization/27073
* gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
not REG_EQUIVs.
2006-04-08 Daniel Berlin <dberlin@dberlin.org>
* tree.h (tree_memory_tag): Add old_used_alone.
(SMT_OLD_USED_ALONE): New macro.
* tree-ssa-alias.c (recalculate_used_alone): Stop
marking things for renaming unnecessarily.
2006-04-08 Kazu Hirata <kazu@codesourcery.com>
* builtins.c, config/arm/arm.c, config/i386/cygwin.h,
config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
spelling convensions.
* config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
typos. Follow spelling conventions.
2006-04-07 DJ Delorie <dj@redhat.com>
* config/m32c/m32c.c (m32c_function_arg): Structures are always
passed on the stack.
(m32c_init_cumulative_args): When a function returns a structure,
always pass the pointer to that return area on the stack.
(m32c_function_arg_advance): Don't increment the parameter number
if we're processing the returned structure pointer.
(pushm_info): Reverse order of registers.
2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
* tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
estimate_numbers_of_iterations_loop): Use build_int_cst instead of
build_int_cst_type.
* tree-chrec.c (chrec_fold_multiply_poly_poly,
chrec_fold_multiply): Same.
* tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
force_expr_to_var_cost): Same.
* tree-mudflap.c (mf_xform_derefs_1): Same.
* tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2006-04-07 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
insn.
2006-04-07 Jan Hubicka <jh@suse.cz>
* ipa-inline.c (cgraph_early_inlining): Collect garbage.
2006-04-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26135
* tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
loads for store copy-prop.
(copy_prop_visit_stmt): Likewise.
2006-04-05 Robert Millan <robertmh@gnu.org>
* config/i386/linux.h: Add a comment to mark macros that are
being overriden in config/k*bsd-gnu.h.
* config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
DYNAMIC_LINKER.
* config/knetbsd-gnu.h: Ditto.
2006-04-06 Jan Hubicka <jh@suse.cz>
PR profile/20815
PR profile/26399
* coverage.c (coverage_checksum_string): Reorganize loop to not read
after buffer.
2006-04-06 Mike Stump <mrs@apple.com>
* builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
for HAVE_nonlocal_goto to be consistent.
(expand_builtin_nonlocal_goto): Likewise.
(expand_builtin_strcmp): Use #ifdef instead of #if
for HAVE_cmpstrnsi to be consistent.
2006-04-05 DJ Delorie <dj@redhat.com>
* config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
vs m32c.
2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
got-relative addressing for anything but SImode.
* config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
even if the calling function doesn't modify them.
2006-04-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26919
* ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
to cgraph_estimate_size_after_inlining.
2006-04-05 Alan Modra <amodra@bigpond.net.au>
* reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
PR tree-optimization/26996
* tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
VECTOR_TYPE variables.
2006-04-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26763
* fold-const.c (fold_comparison): Move folding of
PTR + CST CMP PTR + CST ...
(fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
* doc/install.texi (Prerequisites): Refine some wording on
bootstrapping and ksh.
Move the version numbers of DejaGnu here from the testing section
and fix casing of names.
Fix markup and clarify wording for autogen requirements.
Refer to GCJ instead of just java.
Refer to SVN instead of CVS.
Describe diffutils as useful instead of necessary.
(Downloading the source): Refer to SVN instead of CVS.
Adjust a link to our web site accordingly.
(Configuration): Fix casing of Bison.
(Building): Refer to SVN instead of CVS.
Fix a sentence on the use of Bison and remove duplicate (and
incorrect) version number of Bison requirement.
Remove one redundant list of packages needed for building.
(Specific): Avoid reference to CVS.
2006-04-04 Eric Christopher <echristo@apple.com>
* config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
(TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
(rs6000_handle_struct_attribute): New.
(rs6000_ms_bitfield_layout_p): Ditto.
2006-04-04 Geoffrey Keating <geoffk@apple.com>
* config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
NULL for dso parameter to atexit_common.
2006-04-04 Eric Christopher <echristo@apple.com>
* config/i386/i386.c (machopic_output_stub): Output \t
between instructions and operands.
2006-04-04 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.c (num_insns_constant_wide): Change
satisfies_constraint_[IL] to explicit tests on value.
2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
set_nb_iterations_in_loop): Use build_int_cst instead of
build_int_cst_type.
* tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
build_int_cst instead of convert.
2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
* doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
new value 2 for incoming.
* function.c (expand_function_start): Call struct_value_rtx
with incoming as 2.
* config/sparc/sparc.md: Comment updated_return.
* config/sparc/sparc.opt: Add -mstd-struct-return option.
* config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
struct return if sparc_std_struct_return and incoming is 2.
(print_operand): Do not adjust return if
sparc_std_struct_return.
2006-04-04 Roger Sayle <roger@eyesopen.com>
* builtins.c (fold_builtin_sprintf): Use fold_convert instead of
convert in the middle-end.
* expr.c (store_expr, store_constructor, get_inner_reference,
expand_expr_real_1, string_constant, try_casesi, try_tablejump):
Likewise.
* tree.c (build_range_type): Likewise.
2006-04-04 Tom Tromey <tromey@redhat.com>
* doc/install.texi (Prerequisites): Mention jar.
2006-04-04 Daniel Berlin <dberlin@dberlin.org>
* doc/tree-ssa.texi (Preserving the virtual ssa form): New
subsection.
2006-04-04 Matthias Klose <doko@debian.org>
* Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
PR bootstrap/26764
PR bootstrap/27334
* Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
strings.
2006-04-03 Geoffrey Keating <geoffk@apple.com>
* doc/extend.texi (Function Attributes): Rewrite visibility
attribute documentation.
* doc/invoke.texi (C++ Dialect Options): Rewrite
-fvisibility-inlines-hidden documentation to describe something
entirely different, although in practise compatible.
(Code Gen Options): Warn about system headers in -fvisibility=
documentation.
* doc/extend.texi (Other Builtins): Document that
__builtin_nan is a compile-time constant only when its argument
is valid.
2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
* simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
trying to remove TRUNCATE check if all bits outside the new mode
are identical to the sign bit.
2006-04-03 Jeff Law <law@redhat.com>
* tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
and operand scanning in some common cases.
2006-04-03 Paolo Bonzini <bonzini@gnu.org>
Dale Johannesen <dalej@apple.com>
PR target/19653
* regclass.c (struct reg_pref): Update documentation.
(regclass): Set prefclass to NO_REGS if memory is the best option.
(record_reg_classes): Cope with a prefclass set to NO_REGS.
* reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
into account. For non-registers, equate an empty preferred
reload class to a `!' in the constraint; move the if clause to
do so after those that reject the insn.
(push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
return NO_REGS.
(find_dummy_reload): Likewise.
* doc/tm.texi (Register Classes): Document what it means
if PREFERRED_*_RELOAD_CLASS return NO_REGS.
* config/i386/i386.c (ix86_preferred_reload_class): Force
using SSE registers (and return NO_REGS for floating-point
constants) if math is done with SSE.
(ix86_preferred_output_reload_class): New.
* config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
* config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
* config/i386/i386.md: Remove # register preferences.
2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
PR bootstrap/26992
* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
the type of nb_iter.
(instantiate_parameters_1): Convert the operands before calling
chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
* tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2006-04-02 Roger Sayle <roger@eyesopen.com>
* builtins.c (dummy_object): Use build_int_cst instead of convert.
* tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
instead of convert.
* dojump.c (do_jump): Likewise.
* expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
* gimplify.c (gimple_boolify, gimplify_init_constructor,
gimplify_boolean_expr): Likewise.
* emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
* varasm.c (array_size_for_constructor): Likewise.
* tree-object-size.c (compute_object_offset): Likewise.
2006-04-02 Roger Sayle <roger@eyesopen.com>
PR middle-end/26977
* expr.c (emit_group_store): Check whether simplify_gen_subreg returns
NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
PR tree-optimization/26939
* tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
* tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
at_stmt. Convert the type of operands before calling
build_polynomial_chrec.
(add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
add_to_evolution_1.
(follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
(instantiate_parameters_1): Convert the type of operands before calling
build_polynomial_chrec.
* tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
reset_evolution_in_loop): Insert asserts to check the types of the
operands.
(chrec_type): Moved...
(eq_evolutions_p): Use operand_equal_p.
* tree-chrec.h (build_polynomial_chrec): Insert an assert to check
the types of the operands.
(chrec_type): ...here.
* tree-data-ref.c (create_data_ref): Convert the operands before
calling chrec_replace_initial_condition.
(same_access_functions, analyze_subscript_affine_affine,
analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
(compute_subscript_distance, analyze_ziv_subscript,
analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
analyze_miv_subscript): Convert the operands before calling
chrec_fold_minus or chrec_fold_plus.
2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
* tree-data-ref.c (compute_all_dependences): Use a pointer to
the dependence_relations vector.
(compute_data_dependences_for_loop): Adjust call to
compute_all_dependences.
2006-04-01 Roger Sayle <roger@eyesopen.com>
Richard Henderson <rth@redhat.com>
* gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
gimple_boolify on the condition before calling gimplify_expr.
2006-03-31 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
the frame size. Update to use the new macros.
* config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
* config/xtensa/ieee754-df.S: Likewise.
2006-03-31 Richard Henderson <rth@redhat.com>
* tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
(make_edges): ... here. Control fallthru creation with a local
variable. Do not play with fake edges.
(make_omp_sections_edges): Don't set EDGE_ABNORMAL.
(make_goto_expr_edges): Don't play with fake edges. Make for_call
a boolean.
2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
* dwarf2.h (DW64_CIE_ID): Define.
* dwarf2out.c (DWARF_CIE_ID): Define.
(output_call_frame_info): Output 0xffffffff before standard 8-byte
length header. Use DWARF_CIE_ID.
(value_format): Use DW_FORM_data4 or DW_FORM_data8 for
dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/linux-atomic.asm: New file.
* config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2006-03-31 DJ Delorie <dj@redhat.com>
* config/m32c/cond.md: Set condition flags properly throughout.
* config/m32c/minmax.md: Likewise.
* config/m32c/prologue.md: Likewise.
* config/m32c/bitops.md: Likewise.
* config/m32c/muldiv.md: Likewise.
* config/m32c/mov.md: Likewise.
* config/m32c/addsub.md: Likewise.
* config/m32c/m32c.md: Likewise.
* config/m32c/jump.md: Likewise.
* config/m32c/shift.md: Likewise.
* config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
conditionally output the pattern for this.
* config/m32c/m32c.c (flags_needed_for_conditional): New.
(m32c_compare_redundant): New.
(m32c_output_compare): New.
* config/m32c/m32c-protos.h (m32c_output_compare): New.
* config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
dest, not src. Allow other 4-byte modes.
2006-03-30 Denis Chertykov <denisc@overta.ru>
* doc/md.texi: Refer to avr/constraints.md instead of
avr/avr.h.
2006-03-30 Roger Sayle <roger@eyesopen.com>
* expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
signed vs. unsigned comparison failures on some hosts.
2006-03-31 Alan Modra <amodra@bigpond.net.au>
PR target/26459
* config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
change to FLOAT_REGS.
* config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
(rs6000_override_options): Use it.
(rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
only for -mabi=spe/no-spe and -mabi=altivec.
2006-03-30 Geoffrey Keating <geoffk@apple.com>
* config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
!Zdynamiclib.
2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
* Makefile.in: Rename docdir to gcc_docdir.
2006-03-30 Roger Sayle <roger@eyesopen.com>
PR target/17959
* expr.c (emit_group_store): Optimize group stores into a pseudo
register by using a paradoxical subreg to initialize the destination
if the first or last member of the group specifies a "low part".
2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
PR target/26734
* rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
* target.h (struct gcc_target.speculate_insn): Change type of the
second parameter to 'int'.
* lists.c (alloc_DEPS_LIST): Change signature. Update reference to
the second operand of the DEPS_LIST.
(copy_DEPS_LIST_list): Update reference to the second operand of the
DEPS_LIST.
* rtl.h (alloc_DEPS_LIST): Update signature.
* sched-int.h (ds_t): Change typedef to 'int'.
(DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
* haifa-sched.c (try_ready): Change condition to restore
non-speculative pattern of the instruction.
(process_insn_depend_be_in_spec): Code to keep probability of the
speculative dependence non-decreasing.
2006-03-30 Jie Zhang <jie.zhang@analog.com>
* config/bfin/bfin.c (single_move_for_strmov): Renamed to...
(single_move_for_movmem): ... this. Also change all uses.
(bfin_expand_strmov): Renamed to...
(bfin_expand_movmem): ... this. Also change all uses.
* config/bfin/bfin.md (movstrsi): Renamed to...
(movstrsi): ...this.
2006-03-30 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/26830
* tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
(copy_prop_visit_stmt): Remove write-only variable ann.
(init_copy_prop): Check variable loop depth here. Do not simulate
memory-tag and virtual operand PHIs except for store copy prop.
2006-03-30 Richard Guenther <rguenther@suse.de>
* config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
variants with double arguments.
2006-03-29 David Edelsohn <edelsohn@gnu.org>
* genpreds.c (write_tm_constrs_h): Delete variable p.
* genconditions.c (write_header): Add tm-constrs.h to included
headers.
* genpeep.c (main): Add toplev.h to included headers.
* Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
(build/genpeep.o): Add toplev.h dependency.
* config/rs6000/constraints.md: Add "W" constraint.
2006-03-29 Roger Sayle <roger@eyesopen.com>
* stor-layout.c (mode_for_size_tree): Remove restiction on type
sizes by correctly testing whether the size fits a host integer.
(initialize_sizetypes): Use set_min_and_max_values_for_integral_type
to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
SImode range for the default sizetype and bitsizetype.
2006-03-29 Roger Sayle <roger@eyesopen.com>
* convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
and TREE_CONSTANT_OVERFLOW bits of the argument. Return
quickly if the argument is already of the correct type.
Call fold_build1 instead of build1. Tidy up blank lines.
2006-03-29 David Edelsohn <edelsohn@gnu.org>
* genemit.c (main): Add tm-constrs.h to included headers.
* genoutput.c (output_prologue): Add tm-constrs.h to included headers.
* genpeep.c (main): Add tm-constrs.h to included headers.
* genpreds.c (write_satisfies_constraint_fns): Rename to ...
(write_tm_constrs_h): this and write complete file.
(write_tm_preds_h): Do not emit satisfies_constraint fns.
(write_insn_preds_c): Add tm-constrs.h to included headers.
(gen_constrs): New variable.
(parse_option): Parse "-c".
(main): Invoke write_tm_constrs_h.
* genrecog.c (write_header): Add tm-constrs.h to included headers.
* Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
(object_out_file): Add tm-constrs.h dependency.
(insn-emit.o): Same.
(insn-output.o): Same.
(insn-peep.o): Same.
(insn-preds.o): Same.
(insn-recog.o): Same.
(tm-constsr.h): New target.
(s-constrs-h): New target.
* config/rs6000/constraints.md: New file.
* config/rs6000/rs6000.c: Include tm-constrs.h.
(num_insn_constant_wide): Convert to satisfies_constraint.
(rs6000_rtx_costs): Convert to satisfies_constraint.
* config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
(CONST_OK_FOR_LETTER_P): Delete.
(CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
(EXTRA_CONSTRAINT): Delete.
(EXTRA_MEMORY_CONSTRAINT): Delete.
(EXTRA_ADDRESS_CONSTRAINT): Delete.
* config/rs6000/predicates.md: Convert to satisfies_constraint.
* config/rs6000/rs6000.md: Include constraints.md. Convert to
satisfies_constraint.
* config/i386/i386.c: Include tm-constrs.h.
2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
* tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
* tree-data-ref.c (find_data_references_in_loop,
compute_data_dependences_for_loop): Use pointers to VEC.
(analyze_all_data_dependences): Adjust calls.
* tree-data-ref.h (find_data_references_in_loop,
compute_data_dependences_for_loop): Adjust declarations.
* tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
compute_data_dependences_for_loop.
2006-03-29 Paul Brook <paul@codesourcery.com>
* config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
(movdf_vfp): Ditto.
2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
PR tree-optimization/26859
* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
division by zero.
(convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
for the step after fold_convert.
2006-03-29 Paul Brook <paul@codesourcery.com>
* reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
(inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2006-03-29 Paul Brook <paul@codesourcery.com>
PR middle-end/23623
* targhooks.c (default_narrow_bitfield): New fuction.
* targhooks.h (default_narrow_bitfield): add prototype.
* target.h (gcc_target): Add narrow_volatile_bitfield.
* target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
* stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
* doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
* config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
* config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
tmake_file.
* config/s390/s390.c (S390_scalar_mode_supported_p): New function.
(NR_C_MODES): Add TDmode, DDmode and SDmode.
(s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
(s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
(s390_function_arg_float): Allow SDmode and DDmode values to be
passed in floating point registers.
(s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
check with SCALAR_FLOAT_MODE_P.
(TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/25985
* tree-ssa-loop-niter.c (number_of_iterations_le,
number_of_iterations_ne): Make comments more precise.
(number_of_iterations_cond): Add only_exit argument. Use the
fact that signed variables do not overflow only when only_exit
is true.
(loop_only_exit_p): New.
(number_of_iterations_exit): Pass result of loop_only_exit_p to
number_of_iterations_cond.
2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/26643
* tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
bit_field_refs.
2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
(divsi3_i4_int): Likewise.
2006-03-28 Roger Sayle <roger@eyesopen.com>
* expr.c (emit_group_store): Only create a new pseudo reg if the
quantity it needs to hold isn't already a suitable pseudo.
2006-03-28 Jeff Law <law@redhat.com>
* timevar.def (TV_TREE_PHI_CPROP): New timevar.
* tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2006-03-28 Roger Sayle <roger@eyesopen.com>
* fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
the equivalent ~X & Y, and the symmetry related transformations.
(fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
~X & Y, and symmetry related transforms.
2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
Revert my 2006-03-27 patches.
2006-03-28 Roger Sayle <roger@eyesopen.com>
* fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
~(T1)X, when T1 and T2 are integer types of the same precision
and (T2)X isn't an extension.
2006-03-28 Jeff Law <law@redhat.com>
PR tree-optimization/26796
* tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
need EH edge cleanups rather than purging them immediately.
(eliminate_degenerate_phis): Handle queued EH cleanups.
2006-03-28 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
from parent_var.
2006-03-27 Roger Sayle <roger@eyesopen.com>
PR middle-end/22524
* fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
cast BIT_NOT_EXPR operand to the correct type.
2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
* tree-loop-linear.c: Don't include varray.h.
(gather_interchange_stats, try_interchange_loops,
linear_transform_loops): Use VEC instead of VARRAY.
* lambda-mat.c: Don't include varray.h.
* tree-chrec.c: Same.
* lambda-trans.c: Same.
* tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
VEC instead of VARRAY.
* tree-vectorizer.h: Idem.
* tree-data-ref.c (dump_data_references,
dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
initialize_data_dependence_relation, finalize_ddr_dependent,
compute_all_dependences, find_data_references_in_loop,
compute_data_dependences_for_loop, analyze_all_data_dependences,
free_dependence_relation, free_dependence_relations,
free_data_refs): Idem.
* tree-data-ref.h (data_reference_p, subscript_p): New.
(data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
VEC instead of VARRAY.
(DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
(find_data_references_in_loop, compute_data_dependences_for_loop,
dump_ddrs, dump_dist_dir_vectors, dump_data_references,
dump_data_dependence_relations, free_dependence_relations,
free_data_refs): Adjust declaration.
(lambda_transform_legal_p): Move declaration here...
* tree-vect-analyze.c (vect_analyze_data_ref_dependences,
vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
vect_analyze_data_refs): Use VEC instead of VARRAY.
* lambda.h (lambda_transform_legal_p): ...from here.
* lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
* tree-vect-transform.c (vect_update_inits_of_drs): Idem.
* Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
tree-chrec.o): Don't depend on VARRAY_H.
2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
* rtl.def (Copyright): Update date.
(DEPS_LIST): Change type of the second operand to 'int'.
* target.h (Copyright): Update date.
(struct gcc_target.speculate_insn): Change type of the second parameter
to 'int'.
* lists.c (Copyright): Update date.
(alloc_DEPS_LIST): Change signature. Update reference to the second
operand of the DEPS_LIST.
(copy_DEPS_LIST_list): Update reference to the second operand of the
DEPS_LIST.
* rtl.h (Copyright): Update date.
(alloc_DEPS_LIST): Update signature.
* sched-int.h (Copyright): Update date.
(ds_t): Change typedef to 'int'.
(DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
* haifa-sched.c (Copyright): Update date.
(try_ready): Change condition to restore non-speculative pattern
of the instruction.
(process_insn_depend_be_in_spec): Code to keep probability of the
speculative dependence non-decreasing.
2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
* regrename.c (replace_oldest_value_addr): Initialize a variable to
shut up the compiler.
2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
* config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
to use lib prefix for target.
($(T)libic_invalidate_array_4-200.a): Likewise.
($(T)libic_invalidate_array_4a.a): Likewise.
2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
J"orn Rennecke <joern.rennecke@st.com>
* superh.opt: New file.
* sh.c (boardtype, osruntime): Remove.
* superh.h (SUBTARGET_OPTIONS): Remove.
* config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
* config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
arguments with ^ and/or [].
* config.gcc (sh-*-*): Add quoting to account for quirk of
Solaris /bin/sh.
Replace == with = in enable_incomplete_targets test.
* config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
with MASK_LITTLE_ENDIAN.
* config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
* config/sh/sh.opt: Added to some comments.
* config/sh/superh.h: Removed some chaff.
* config/sh/sh.opt: Add m4-[1234]00* options.
* config/sh/sh.c (sh_handle_option): Likewise.
* config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
(ic_invalidate_array_4-100.o): New rule.
($(T)libic_invalidate_array_4-100.a): Likewise.
(ic_invalidate_array_4-200.o): Likewise.
($(T)libic_invalidate_array_4-200.a): Likewise.
(ic_invalidate_array_4a.o): Likewise.
($(T)libic_invalidate_array_4a.a): Likewise.
* config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
* config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
m4-200*, and m4a*.
* config/sh/crt1.asm: Merged in profiling code.
* config/sh/superh.h (STARTFILE_SPEC): Override.
* config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
* config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
* t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
* config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
* sh.opt (mpretend-cmove): New option.
* sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
* sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
(movsicc): Add TARGET_PRETEND_CMOVE code.
2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390-protos.h (s390_hard_regno_mode_ok,
s390_class_max_nregs): New function prototypes.
* config/s390/s390.c (REGNO_PAIR_OK): New macro.
(s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
* config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2006-03-26 Geoffrey Keating <geoffk@apple.com>
* dwarf2out.c (add_location_or_const_value_attribute): Call
tree_add_const_value_attribute if nothing else works.
(reference_to_unused): New.
(rtl_for_decl_init): Use reference_to_unused to decide whether
to output an initializer.
2006-03-27 Alan Modra <amodra@bigpond.net.au>
PR target/26459
* config/rs6000/rs6000.md (DF reg move peephole): Prevent
peephole removing spe frob_di_df_2.
2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
* tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
(subscript_dependence_tester_1): Declared.
(print_dir_vectors, print_dist_vectors): New.
(debug_data_dependence_relation): New.
(dump_data_dependence_relation): Print more details.
(initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
(analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
(save_dist_v, save_dir_v, add_outer_distances,
build_classic_dist_vector_1): New.
(build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
Don't test for lambda_vector_lexico_pos.
(same_access_functions, add_multivariate_self_dist,
add_other_self_distances, dir_from_dist): New.
(build_classic_dir_vector): Replace implementation almost identical to
build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
dir_from_dist.
(subscript_dependence_tester_1): New.
(subscript_dependence_tester): Handle the lexicographically negative
distance vectors by recomputing the dependence relation.
(compute_affine_dependence): Remove parameter loop_nest_depth.
(compute_self_dependence): Don't call compute_subscript_distance.
(compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
Add a parameter for the loop_nest.
(find_loop_nest_1, find_loop_nest): New.
(compute_data_dependences_for_loop): Compute the loop nest, and give
up if the nest is not well formed.
* tree-data-ref.h (loop_p): New.
(struct data_dependence_relation): Replace size_vect field with
loop_nest, a vec of loops.
(DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
(DDR_LOOP_NEST): New.
(print_dir_vectors, print_dist_vectors,
debug_data_dependence_relation): Declared.
(index_in_loop_nest): New.
* tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
distance.
2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
* simplify-rtx.c (simplify_relational_operation): Call
simplify_relational_operation_1 even if mode is VOIDmode.
2006-03-25 Daniel Berlin <dberlin@dberlin.org>
PR tree-optimization/26804
* tree.h (DECL_CALL_CLOBBERED): New macro.
(tree_decl_common): Add call_clobbered_flag.
* tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
(mark_call_clobbered): Set DECL_CALL_CLOBBERED.
(clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
(mark_non_addressable): Ditto.
* tree-ssa.c (verify_call_clobbered): New function.
(verify_alias_info): Use it.
* tree-pass.h (pass_reset_cc_flags): New prototype.
* tree-ssa-alias.c (pass_reset_cc_flags): New structure.
(reset_cc_flags): New function.
* passes.c (init_optimization_passes): Call reset_cc_flags after
initializing referenced_vars.
2006-03-25 Uros Bizjak <uros@kss-loka.si>
Roger Sayle <roger@eyesopen.com>
PR middle-end/26717
* fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
to 1.0 for non-real operands. Implement A / A optimization for
complex operands.
2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (size_cost): Correct the comment for
cost of storing fp registers.
(i386_cost): Likewise.
(i486_cost): Likewise.
(pentium_cost): Likewise.
(pentiumpro_cost): Likewise.
(k6_cost): Likewise.
(athlon_cost): Likewise.
(k8_cost): Likewise.
(pentium4_cost): Likewise.
(nocona_cost): Likewise.
(generic64_cost): Likewise.
(generic32_cost): Likewise.
2006-03-24 Denis Chertykov <denisc@overta.ru>
* config/avr/avr-protos.h (extra_constraint): Delete.
(extra_constraint_Q): New declaration.
* config/avr/constraints.md: New file.
* config/avr/avr.md: Include it.
(REG_X, REG_Y, REG_Z, REG_W): New constants.
(TMP_REGNO, ZERO_REGNO): Likewise.
(UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
* config/avr/avr.c (avr_reg_class_from_letter): Delete.
(extra_constraint): Delete.
(extra_constraint_Q): Test for memory constraint 'Q'.
* config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
(REG_CLASS_FROM_LETTER): Delete.
(CONST_OK_FOR_LETTER_P): Delete.
(CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
(EXTRA_CONSTRAINT): Delete.
(TMP_REGNO): Delete.
(ZERO_REGNO): Delete.
2006-03-24 Jeff Law <law@redhat.com>
* tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
directly. Call mark_new_vars_to_rename slightly earlier.
2006-03-24 Geoffrey Keating <geoffk@apple.com>
* dwarf2out.c (is_c_family): Understand new DWARF3 language types.
(is_cxx): Likewise.
(gen_compile_unit_die): Use new language types for Objective-C and
Objective-C++.
(dwarf2out_decl): Use is_cxx rather than testing explicitly against
DW_LANG_C_plus_plus.
PR 26793
* config/t-darwin (crt3.o): Work around bug 26840.
* config/darwin-crt3.c: Rewrite.
* config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
* doc/invoke.texi: Document -femit-class-debug-always
* common.opt: Add -femit-class-debug-always.
2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.c (s390_decompose_address): Allow SImode for
index and base register.
(s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
REGNO_OK_FOR_INDEX_P.
* config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
ADDR_REGNO_P.
(REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
REG_OK_FOR_BASE_P): Definitions removed.
2006-03-24 Jakub Jelinek <jakub@redhat.com>
PR middle-end/26611
* gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
set yet or weren't marked as local yet.
2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
* regrename.c (scan_rtx_address): Initialize a variable to shut up
the compiler.
2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
* config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
(rs6000_legitimate_small_data_p): Delete.
* config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
(rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
and make static. Add forward declaration. Update uses.
(rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
of offsettable_memref_p.
* config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2006-03-24 Jeff Law <law@redhat.com>
* tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
around bug in immediate-use iterator.
2006-03-24 Alan Modra <amodra@bigpond.net.au>
PR target/26607
* config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
or __LITTLE_ENDIAN__.
2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
* config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
* config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
* config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
* config/sh/sh.opt (mdiv=): Amend description.
* config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
(TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
(sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
(OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
* config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
(udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
TARGET_DIVIDE_CALL_FP.
2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
* haifa-sched.c (choose_ready): Fix type of the local variable.
Move local variables. Add comment.
(check_reg_live): Change signature. Make callable from debugger.
* sched-int.h (check_reg_live): Update signature.
* sched-ebb.c (check_reg_live): Update parameters.
* sched-rgn.c (check_reg_live): Ditto.
(region_head_or_leaf_p): Check pointer before dereferencing.
* config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
before reload on optimization levels below 1.
2006-03-23 Richard Henderson <rth@redhat.com>
* config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
tls symbols.
PR target/26347
* config/alpha/predicates.md (local_symbolic_operand): Reject
weak symbols.
2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/26795
* tree-ssa-pre.c (create_value_expr_from): Don't reject
expressions which have overflowed constants.
2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
* cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
* cfgloopmanip.c (create_loop_notes): Removed.
* final.c (final_scan_insn): Do not handle loop notes.
* jump.c (squeeze_notes): Ditto.
* cfglayout.c (skip_insns_after_block,
duplicate_insn_chain): Ditto.
* cfgcleanup.c (rest_of_handle_jump2): Do not call
create_loop_notes.
* cfgloop.h (create_loop_notes): Declaration removed.
2006-03-23 Richard Sandiford <richard@codesourcery.com>
* varasm.c (output_constant_pool): Restore fnname and fndecl
arguments.
(assemble_start_function): Adjust call accordingly.
(assemble_end_function): Likewise.
2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR mudflap/26789
* tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
PR mudflap/26790
* tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR driver/22600
* system.h (ICE_EXIT_CODE): New macro.
* diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
(diagnostic_action_after_output): Likewise.
* gcc.c (fatal_ice): New function.
(execute): Use it instead of fatal.
(fancy_abort): Likewise.
* doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2006-03-22 Jeff Law <law@redhat.com>
* loop-unroll.c (analyze_iv_to_split_insn): Handle
iv_analyze_result returning false.
2006-03-22 Jie Zhang <jie.zhang@analog.com>
* config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2006-03-22 Richard Henderson <rth@redhat.com>
PR middle-end/26084
* except.c (duplicate_eh_regions_0): New.
(duplicate_eh_region_1): Duplicate the children of the node as
well as the node itself. Link them up properly.
(duplicate_eh_region_2): Merge into ...
(duplicate_eh_regions): ... here. Take copy_region argument, and
copy only a sub-tree if asked. Simplify copying and fixup.
(eh_region_outer_p): New.
* except.h (duplicate_eh_regions): Update decl.
(eh_region_outer_p): Declare.
* omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
(lower_omp_master): Likewise.
(lower_omp_ordered): Likewise.
* tree-cfg.c (struct move_stmt_d): Add new_label_map.
(move_stmt_r): Use it to remap labels. Handle recursion vs
remap_decls_p properly.
(move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
(find_outermost_region_in_block): New.
(new_label_mapper): New.
(move_sese_region_to_fn): Copy eh information to the new function
properly.
* tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
argument.
* tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
number.
2006-03-22 Richard Sandiford <richard@codesourcery.com>
* doc/md.texi (-mshared): Mention that -mshared code can be linked
into shared libraries.
2006-03-22 Richard Sandiford <richard@codesourcery.com>
* doc/md.texi: Refer to i386/constraints.md instead of
i386/predicates.md.
* config/i386/constraints.md: New file, extracted from...
* config/i386/predicates.md: ...here.
* config/i386/i386.md: Include constraints.md.
2006-03-21 Jason Merrill <jason@redhat.com>
* builtins.c (expand_builtin_fork_or_exec): Fix pasto.
PR middle-end/20297
* expr.c (init_block_move_fn): Force default visibility.
(init_block_clear_fn): Likewise.
* builtins.c (expand_builtin_fork_or_exec): Likewise.
* targhooks.c (default_external_stack_protect_fail): Likewise.
2006-03-21 Richard Sandiford <richard@codesourcery.com>
* config/mips/predicates.md (const_call_insn_operand): Allow direct
calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
* config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
Use TARGET_OLDABI instead of !TARGET_NEWABI.
(loadgp): Use mips_current_loadgp_style.
(loadgp_noshared): New pattern.
(sibcall_internal): Use MIPS_CALL.
(sibcall_value_internal): Likewise.
(sibcall_value_multiple_internal): Likewise.
(call_internal): Likewise.
(call_value_internal): Likewise.
(call_value_multiple_internal): Likewise.
(call_split): Use MIPS_CALL and add an 'S' constraint.
(call_value_split): Likewise.
(call_value_multiple_split): Likewise.
* config/mips/mips.opt (-mabicalls): Tweak docstring.
(-mshared): New option.
* config/mips/mips-protos.h (mips_loadgp_style): New enum.
(mips_current_loadgp_style): Declare.
* config/mips/mips.c (mips_classify_symbol): Avoid using
SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
TARGET_ABSOLUTE_ABICALLS.
(override_options): Adjust comments. Improve the warning that is
issued when -mabicalls and -G are used together.
(mips_file_start): Remove comment.
(mips_current_loadgp_style): New function.
(mips_gnu_local_gp): New variable.
(mips_emit_loadgp): Use mips_current_loadgp_style. Handle
LOADGP_ABSOLUTE.
(mips_output_function_prologue): Use mips_current_laodgp_style.
(mips_expand_prologue): Call mips_emit_loadgp before emitting
the cprestore instruction.
(mips_extra_live_on_entry): Fix reversed test. Don't make $25
live for TARGET_ABSOLUTE_ABICALLS.
* config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
(ASM_SPEC): Pass down -mshared and -mno-shared.
(MIPS_CALL): New macro.
* config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
definition.
* doc/invoke.texi (-mabicalls): Update documentation.
(-mshared): Document.
2006-03-21 Steve Ellcey <sje@cup.hp.com>
* config/ia64/unwind-hpux.c: New file.
* config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2006-03-21 Steve Ellcey <sje@cup.hp.com>
PR libgomp/26384
* config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2006-03-21 Jeff Law <law@redhat.com>
* tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
type conversions of a VR_VARYING source to a wider type.
2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
* config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
tm_file on Solaris 10 and later.
(sparc64-*-solaris2*): Likewise.
(sparc-*-solaris2*): Likewise.
* config/sol26.h: Rename to config/sol2-6.h.
* config/sol2-10.h: New file.
2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/26781
* tree-ssa-pre.c (create_component_ref_by_pieces):
Handle STRING_CST.
2006-03-21 Jakub Jelinek <jakub@redhat.com>
PR c++/26690
* tree.c (get_callee_fndecl): If CALL is error_mark_node,
return it immediately.
2006-03-21 Michael Matz <matz@suse.de>
* genautomata.c (<struct state>, num_out_arcs, presence_signature):
New members.
(remove_arc, add_arc): Update num_out_arcs member.
(set_out_arc_insns_equiv_num): Returns nothing instead of number
of out arcs.
(cache_presence): New function.
(compare_states_for_equiv): New function.
(state_is_differed): Don't take number of outargs, adjust callers.
Use new invariant for speeding up.
(init_equiv_class): Create initial classes based on sorted
input.
(partition_equiv_class): Don't track out_arcs_num.
(evaluate_equiv_classes): Call cache_presence on all states and
sort them.
2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
* config/bfin/bfin.c (bfin_dsp_memref_p): New function.
(bfin_valid_reg_p): Test for pseudos explicitly and use only
REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
callers changed.
* config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
(IREG_P, P_REGNO_P, I_REGNO_P): New macros.
(enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
(BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
macros.
(IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
(REGNO_REG_CLASS): ARGP is in PREGS.
* config/bfin/bfin.md (movhi_insn): Allow for addresses containing
IREGS.
(zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
to deal with those addresses.
* addresses.h: New file.
* caller-save.c: Include "addresses.h".
(init_caller_save): Use new base_reg_class function.
* rtl-factoring.c: Include "addresses.h".
(recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
* recog.c: Include "addresses.h".
(preprocess_constraints): Use new base_reg_class function.
* regrename.c: Include "addresses.h".
(scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
functions. Keep track of a new var INDEX_CODE to compute valid
classes.
(replace_oldest_value_addr): Likewise.
(replace_oldest_value_mem): Use base_reg_class.
* reload.c: Include "addresses.h".
(REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
(find_reloads): Use new base_reg_class function.
(find_reloads_address): Likewise; also use regno_ok_for_base_p.
(find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
all callers and prototype changed.
* reload1.c: Include "addresses.h".
(maybe_fix_stack_asms): Use base_reg_class.
* regclass.c: Include "addresses.h".
(ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
(init_reg_autoinc): Use new base_reg_class function.
(record_reg_classes): Likewise.
(record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
OUTER_CODE and INDEX_CODE. All callers and prototype changed.
Use new args to compute necessary class.
* Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
regrename.o, rtl-factoring.o): Update dependencies.
* doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
(REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
(REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
REG_OK_FOR_INDEX_P): Delete documentation.
2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
* config.gcc (sparc-*-solaris2*): Change the default CPU setting
from V7 to V9 for Solaris 7 and above.
2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
* doc/invoke.texi: Document new flag -fargument-noalias-anything.
* tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
argument pointers may not alias any other storage.
* common.opt: Define option -fargument-noalias-anything.
* tree-ssa-structalias.c (intra_create_variable_infos): Fortran
alias semantics is specified by flag_argument_noalias > 2.
2006-03-20 Jeff Law <law@redhat.com>
* tree-pass.h (pass_phi_only_copy_prop): Delete.
(pass_phi_only_cprop): Declare.
* passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
with phi_only_cprop
* tree-ssa-dom.c (degenerate_phi_result): New function.
(remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
(get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
(eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
(eliminate_degenerate_phis): Likewise.
(pass_phi_only_cprop): New pass descriptor.
* tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
support code. Callers updated.
(execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
(store_copy_prop): Likewise.
(do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2006-03-20 Jason Merrill <jason@redhat.com>
PR c++/21764
* c-pragma.c (visstack): Move out of handle_pragma_visibility.
(push_visibility, pop_visibility): Likewise.
* c-pragma.h: Declare them.
2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
* config/sh/sh.c (find_regmode_weight): Change the type of the first
parameter and use get_ebb_head_tail.
(sh_md_init_global): Adjust uses of find_regmode_weight.
2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
* function.h (struct function) <x_tail_recursion_reentry>:
Rename to x_stack_check_probe_note.
(tail_recursion_reentry): Rename to stack_check_probe_note.
* function.c: Replace tail_recursion_reentry with
stack_check_probe_note everywhere.
(expand_function_start): Only emit a note for
stack_check_probe_note with -fstack-protect.
* stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
* emit-rtl.c (remove_unnecessary_notes): Remove.
(pass_remove_unnecessary_notes): Remove.
* rtl.h (remove_unnecessary_notes): Remove prototype.
* final.c (final_start_function): Don't call remove_unnecessary_notes.
* tree-pass.h (pass_remove_unnecessary_notes): Remove.
* passes.c (pass_remove_unnecessary_notes): Don't run it.
2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/26629
* tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
(valid_in_set): Handle ARRAY_REF.
Change "if min_variant or VH" to asserts.
(create_component_ref_by_pieces): Handle ARRAY_REF.
(create_expression_by_pieces): Likewise.
(can_PRE_operation): ARRAY_REFs can now be PRE'd.
2006-03-20 David Edelsohn <edelsohn@gnu.org>
* genpreds.c (write_insn_extra_address_constraint): Argument `c'
is operand of switch, not str[0].
2006-03-20 Alan Modra <amodra@bigpond.net.au>
* config/rs6000/rs6000.c (rs6000_handle_option): Use
TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2006-03-19 David Edelsohn <edelsohn@gnu.org>
* genpreds.c (write_tm_preds_h): Add semicolon and newline at
end of insn_extra_address_constraint declaration.
2006-03-19 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
(no-sum-in-toc): Same.
* config/rs6000/rs6000.c (rs6000_handle_option): Use new
variables.
* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
NO_FP_IN_TOC for -fPIC instead of mask.
* config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
(BOOT_LDFLAGS): Delete.
(LDFLAGS): Delete.
* config/rs6000/t-aix52: Same.
* config/rs6000/rs6000.md (store_multiple_power): Delete.
(stmsi[345678]_power): New.
2006-03-17 Steve Ellcey <sje@cup.hp.com>
* config/ia64/ia64.opt: Add empty line to end of file.
2006-03-17 Richard Guenther <rguenther@suse.de>
PR middle-end/26721
* builtins.c (get_pointer_alignment): For component style references
adjust alignment to the component type alignment. Make sure
to adjust alignment for component access of constants.
2006-03-17 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.md (strlensi): Emit barrier after
unconditional jump.
2006-03-17 Paul Brook <paul@codesourcery.com>
* doc/install.texi: Docuemnt --with-mode.
* config.gcc: Add --with-mode for arm*-*-*.
* config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
* sh.c (max_labelno_before_reorg): New variable.
(sh_reorg): Initialize it.
(find_barrier): Check max_labelno_before_reorg before using
label_to_alignment. Take length of explicit alignment insns
into account. When seeing a UNSPECV_CONST_END, return it.
* sh.c (fixup_mova): Set mode of affected label to QImode.
(untangle_mova): New function.
(find_barrier): Use it. Check mode of label before decrementing
num_mova.
(sh_reorg): Likewise.
Set mode of all insns back to VOIDmode.
* sh.c (MOVA_LABELREF): New macro.
(mova_p, fixup_mova, sh_reorg): Use it.
(find_barrier, sh_reorg): Don't count num_mova back to 0 unless
ADDR_DIFF_VEC matches mova.
2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
* dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
with ATTRIBUTE_UNUSED.
2006-03-17 Alexandre Oliva <aoliva@redhat.com>
* dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
pointer, instead of assuming it is possible to derive the
correct args size from a call insn.
2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
* rtl.h (CONST_INT_P): Define.
* config/vax/vax.c (print_operand_address): Use CONST_INT_P()
instead of GET_CODE(x) == CONST_INT.
(vax_rtx_costs): Likewise.
(vax_output_int_move): Likewise.
(vax_output_int_add): Likewise.
(legitimate_constant_address_p): Likewise.
(index_term_p): Likewise.
* config/vax/vax.h (PRINT_OPERAND): Likewise.
* config/vax/vax.md (and<mode>3): Likewise.
(ashrsi3): Likewise.
(extv): Likewise.
(movstricthi): Likewise.
(movstrictqi): Likewise.
(rotrsi3): Likewise.
(five unnamed insns): Likewise.
2006-03-16 Geoffrey Keating <geoffk@apple.com>
* doc/tm.texi (SDB and DWARF): Add extra parameter to
ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
* dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
* dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
Pass to ASM_OUTPUT_DWARF_OFFSET.
* dwarf2out.c (debug_frame_section): New.
(output_call_frame_info): Use debug_frame_section. Pass it to
dw2_asm_output_offset.
(output_die): Pass appropriate section to dw2_asm_output_offset.
(output_compilation_unit_header): Likewise.
(output_pubnames): Likewise.
(output_aranges): Likewise.
(enum dw_val_class): Break dw_val_class_lbl_offset into
dw_val_class_lineptr and dw_val_class_macptr.
(add_AT_lbl_offset): Delete.
(add_AT_lineptr): New.
(add_AT_macptr): New.
(AT_lbl): Expect a lineptr or macptr.
(print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
(attr_checksum): Likewise.
(same_dw_val_p): Likewise.
(size_of_die): Likewise.
(value_format): Likewise.
(output_die): Likewise.
(dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
add_AT_lbl_offset.
* config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
* config/i386/i386.c (x86_file_start): Call darwin_file_start.
* config/darwin-protos.h (darwin_file_start): New.
(darwin_asm_output_dwarf_offset): New.
* config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
* config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
darwin_file_start.
* config/darwin.c (darwin_emit_unwind_label): Don't output label
if not EH section; simplify.
(darwin_file_start): New.
(darwin_asm_output_dwarf_offset): New.
* config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
mark as 'debug'.
(DEBUG_INFO_SECTION): Likewise.
(DEBUG_ABBREV_SECTION): Likewise.
(DEBUG_ARANGES_SECTION): Likewise.
(DEBUG_MACINFO_SECTION): Likewise.
(DEBUG_LINE_SECTION): Likewise.
(DEBUG_LOC_SECTION): Likewise.
(DEBUG_PUBNAMES_SECTION): Likewise.
(DEBUG_STR_SECTION): Likewise.
(DEBUG_RANGES_SECTION): Likewise.
(FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
(ASM_OUTPUT_DWARF_OFFSET): New.
2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
* config.gcc (tm_defines): Always add to previous value rather
than replacing it.
2006-03-16 Richard Sandiford <richard@codesourcery.com>
* config/mips/predicates.md (splittable_const_int_operand): New,
split from move_operand.
(splittable_symbolic_operand): New.
(move_operand): Add commentary. Use splittable_const_int_operand.
Inline mips_atomic_symbolic_constant_p.
* config/mips/mips.md: Add combine splitters for handling moves
of splittable_const_int_operands and splittable_symbolic_operands.
* config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
(mips_split_symbol): Declare.
(mips_move_integer): Declare.
* config/mips/mips.c (mips_split_p): Make global.
(TARGET_MIN_ANCHOR_OFFSET): Override default.
(TARGET_MAX_ANCHOR_OFFSET): Likewise.
(TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
(TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
(mips_offset_within_object_p): Handle block symbols.
(mips_atomic_symbolic_constant_p): Delete.
(mips_cannot_force_const_mem): Return false for constants that
mips_legitimize_move can handle.
(mips_use_blocks_for_constant_p): New function.
(mips_split_symbol): Make global.
(mips_move_integer): Likewise. Add a temporary register argument.
(mips_legitimize_const_move): Use splittable_const_int_operand and
splittable_symbolic_operand.
(mips_use_anchors_for_symbol_p): New function.
* config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
(mips_split_p): Declare.
2006-03-16 Richard Sandiford <richard@codesourcery.com>
* config.gcc (mips64*-*-linux*): Keep existing tm_defines.
(mips*-*-linux*): Likewise.
2006-03-16 Roger Sayle <roger@eyesopen.com>
Daniel Speyer <dspeyer@wam.umd.edu>
PR middle-end/18259
* tree-dump.c (dump_real): New function.
(dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
* Makefile.in (REAL_H): New macro for dependencies on real.h.
(tree-dump.o): Add $(REAL_H) to the dependencies.
2006-03-16 Roger Sayle <roger@eyesopen.com>
PR middle-end/21781
* real.c (real_from_string): If the mantissa is zero, don't bother
parsing the exponent as the result should always be zero.
2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
* simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
* config/ia64/ia64.c (stops_p): Added explicit initialization.
(ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
ia64_sched_finish_global): New static functions to implement
hooks from gcc_target.sched.
(spec_check_no, max_uid, pending_data_specs): New static variables.
(ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
ia64_spec_check_src_p): New static functions.
(ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
(TARGET_SCHED_ADJUST_COST): Removed.
(TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
TARGET_SCHED_GEN_CHECK,
TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
TARGET_SCHED_SET_SCHED_FLAGS): New macros.
(update_set_flags, group_barrier_needed, set_src_needs_barrier):
Fixed to handle speculation checks.
(rtx_needs_barrier): Fixed to handle speculative loads and
their checks.
(ia64_variable_issue): Added code to count speculative loads and their
checks.
(ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
speculative loads.
(enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
New enumerations.
(SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
New constants.
(ia64_ld_address_bypass_p): Fixed to handle speculative loads.
(ia64_reorg): Reset stops_p to NULL after it is freed.
* config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
(itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
chk_a.
(data_speculative, control_speculative, check_load): New attributes.
(mov<mode>_advanced, mov<mode>_speculative,
mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
zero_extend<mode>di2_speculative,
zero_extend<mode>di2_speculative_advanced): New patterns for
data and control speculative loads.
(mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
check loads.
(advanced_load_check_clr_<mode>, speculation_check_<mode>):
New pattern for data and control speculation checks.
(MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
Auxiliary definitions for the patterns.
* config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
constraints.
(1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
for speculation.
(1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
* config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
New resource constraints.
(2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
for speculation.
(2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
* config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
msched-in-control-spec, msched-ldc, msched-control-ldc,
msched-spec-verbose, msched-prefer-non-data-spec-insns,
msched-prefer-non-control-spec-insns,
msched-count-spec-in-critical-path): New flags to tune speculative
scheduling.
* doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
msched-in-control-spec, msched-ldc, msched-control-ldc,
msched-spec-verbose, msched-prefer-non-data-spec-insns,
msched-prefer-non-control-spec-insns,
msched-count-spec-in-critical-path): Document new flags.
2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
* target.h (struct spec_info_def): New opaque declaration.
(struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
speculate_insn, needs_block_p, gen_check,
first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
* target-def.h (TARGET_SCHED_ADJUST_COST_2,
TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
gcc_target.sched.
(TARGET_SCHED): Use new macros.
* rtl.h (copy_DEPS_LIST_list): New prototype.
* sched-int.h (struct sched_info): Change signature of new_ready field,
adjust all initializations. New fields: add_remove_insn,
begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
region_head_or_leaf_p.
(struct spec_info_def): New structure declaration.
(spec_info_t): New typedef.
(struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
recovery_block, orig_pat.
(glat_start, glat_end): New variables declaraions.
(TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
New access macros.
(enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
DETACH_LIFE_INFO, USE_GLAT.
(enum SPEC_SCHED_FLAGS): New enumeration.
(NOTE_NOTE_BB_P): New macro.
(extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
attach_life_info, debug_spec_status, check_reg_live): New functions.
(get_block_head_tail): Change signature to get_ebb_head_tail, adjust
all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
sched-ebb.c
(get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
* ddg.c (get_block_head_tail): Adjust all uses.
* modulo-sched.c (get_block_head_tail): Adjust all uses.
(sms_sched_info): Initialize new fields.
(contributes_to_priority): Removed.
* haifa-sched.c (params.h): New include.
(get_block_head_tail): Adjust all uses.
(ISSUE_POINTS): New macro.
(glat_start, glat_end): New global variables.
(spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
old_last_basic_block, before_recovery, current_sched_info_var,
rgn_n_insns, luid): New static variables.
(insn_cost1): New function. Move logic from insn_cost to here.
(find_insn_reg_weight1): New function. Move logic from
find_insn_reg_weight to here.
(reemit_notes, move_insn, max_issue): Change signature.
(move_insn1): Removed.
(extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
extend_bb): New static functions to support extension of scheduler's
data structures.
(generate_recovery_code, process_insn_depend_be_in_spec,
begin_speculative_block, add_to_speculative_block,
init_before_recovery, create_recovery_block, create_check_block_twin,
fix_recovery_deps): New static functions to support
generation of recovery code.
(fix_jump_move, find_fallthru_edge, dump_new_block_header,
restore_bb_notes, move_block_after_check, move_succs): New static
functions to support ebb scheduling.
(init_glat, init_glat1, attach_life_info1, free_glat): New static
functions to support handling of register live information.
(associate_line_notes_with_blocks, change_pattern, speculate_insn,
sched_remove_insn, clear_priorities, calc_priorities, bb_note,
add_jump_dependencies): New static functions.
(check_cfg, has_edge_p, check_sched_flags): New static functions for
consistancy checking.
(debug_spec_status): New function to call from debugger.
(priority): Added code to handle speculation checks.
(rank_for_schedule): Added code to distinguish speculative instructions.
(schedule_insn): Added code to handle speculation checks.
(unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
Fixed to handle ebbs.
(move_insn): Added code to handle ebb scheduling.
(max_issue): Added code to use ISSUE_POINTS of instructions.
(choose_ready): Added code to choose between speculative and
non-speculative instructions.
(schedule_block): Added code to handle ebb scheduling and scheduling of
speculative instructions.
(sched_init): Initialize new variables.
(sched_finish): Free new variables. Print statistics.
(try_ready): Added code to handle speculative instructions.
* lists.c (copy_DEPS_LIST_list): New function.
* sched-deps.c (extend_dependency_caches): New function. Move logic
from create_dependency_caches to here.
(get_dep_weak, ds_merge): Make global.
* genattr.c (main): Code to output prototype for
dfa_clear_single_insn_cache.
* genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
(output_dfa_clean_insn_cache_func): Code to output
dfa_clear_single_insn_cache function.
* sched-ebb.c (target_n_insns): Remove. Adjust all users to use
n_insns.
(can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
Removed.
(n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
New static variables.
(begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
struct sched_info.
(ebb_sched_info): Initialize new fields.
(get_block_head_tail): Adjust all uses.
(compute_jump_reg_dependencies): Fixed to use glat_start.
(schedule_ebb): Code to remove unreachable last block.
(schedule_ebbs): Added code to update register live information.
* sched-rgn.c (region_sched_info): Initialize new fields.
(get_block_head_tail): Adjust all uses.
(last_was_jump): Removed. Adjust users.
(begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
Implement new hooks.
(check_dead_notes1): New static function.
(struct region): New fields: dont_calc_deps, has_real_ebb.
(RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
(BB_TO_BLOCK): Fixed to handle EBBs.
(EBB_FIRST_BB, EBB_LAST_BB): New macros.
(ebb_head): New static variable.
(debug_regions, contributes_to_priority): Fixed to handle EBBs.
(find_single_block_regions, find_rgns, find_more_rgns): Initialize
new fields.
(compute_dom_prob_ps): New assertion.
(check_live_1, update_live_1): Fixed to work with glat_start instead of
global_live_at_start.
(init_ready_list): New assertions.
(can_schedule_ready_p): Split update code to begin_schedule_ready.
(new_ready): Add support for BEGIN_CONTROL speculation.
(schedule_insns): Fixed code that updates register live information
to handle EBBs.
(schedule_region): Fixed to handle EBBs.
(init_regions): Use extend_regions and check_dead_notes1.
* params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
* doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
TARGET_SCHED_GEN_CHECK,
TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
TARGET_SCHED_SET_SCHED_FLAGS): Document.
* doc/invoke.texi (max-sched-insn-conflict-delay,
sched-spec-prob-cutoff): Document.
2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
* sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
inter_tick, queue_index.
(struct sched_info): Change signature of init_ready_list field.
Adjust all initializations.
(RESOLVED_DEPS): New access macro.
(ready_add): Remove prototype.
(try_ready): Add prototype.
* sched-rgn.c (init_ready_list): Use try_ready.
(schedule_region): Initialize
current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
* sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
(init_ready_list): Use try_ready.
(schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
* lists.c (remove_list_elem): Remove `static'.
(remove_free_INSN_LIST_elem): New function.
* rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
* haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
(INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
New constants.
(readyp): New variable.
(queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
change_queue_index, resolve_dep): New static functions.
(try_ready): New function. Adjust callers in sched-rgn.c and
sched-ebb.c to use it instead of ready_add.
(clock_var): Move at the begining of file.
(rank_for_schedule): Fix typo.
(queue_insn): Add assertion. Handle QUEUE_INDEX.
(ready_lastpos): Enforce assertion.
(ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
update all callers.
(ready_remove_first, ready_remove): Handle QUEUE_INDEX.
(schedule_insn): Rewrite to use try_ready and resolve_dep.
(queue_to_ready): Use free_INSN_LIST_list.
(early_queue_to_ready): Fix typo.
(schedule_block): Init readyp. Move init_ready_list call after the
initialization of clock_var. Fix error in rejecting insn by
targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
that previously corrected INSN_TICKs. Add code for handling
QUEUE_INDEX.
(set_priorities): Fix typo.
(sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
Clarify comment and code that keeps current_sched_info->next_tail
non-null.
2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
* sched-rgn.c (extend_rgns): New static function.
(find_rgns): Use it.
(gather_region_statistics, print_region_statistics): New static
functions.
* params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
* doc/invoke.texi (max-sched-extend-regions-iters): Document.
2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
Andrey Belevantsev <abel@ispras.ru>
* ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
* lists.c (unused_deps_list): New variable.
(free_list): Add assertions to verify the proper distinguishing
between INSN_LISTs and DEPS_LISTs.
(find_list_elem, remove_list_elem, remove_list_node): New static
functions.
(alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
(alloc_INSN_LIST): Assert that the list we're working on is indeed
an INSN_LIST.
(free_INSN_LIST_node): Likewise.
* modulo-sched.c (current_sched_info): Initialize flags field.
* reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
* rtl.def (DEPS_LIST): Define.
* rtl.h: Declare new functions from lists.c.
* sched-deps.c (spec_dependency_cache): New static variable.
(maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
(add_dependence): Change return type to void. Move the logic to ...
(add_or_update_back_dep_1): ... here. Handle speculative dependencies.
(delete_all_dependences): Add comment about forward_dependency_cache.
Handle spec_dependency_cache. Handle DEPS_LISTs.
(fixup_sched_groups): Clarify the change of priority of output
and anti dependencies.
(sched_analyze_2): Adjust add_dependence calls to create data
speculative dependence.
(add_forward_dependence): Renamed to add_forw_dep, change prototype.
Adjust all callers. Handle DEPS_LISTS.
(compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
presence of speculation.
(init_dependency_caches, free_dependency_caches):
Handle spec_dependency_cache.
(adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
New static functions.
(add_or_update_back_dep, add_or_update_back_forw_dep,
add_back_forw_dep, delete_back_forw_dep): New functions.
* sched-int.h (ds_t, dw_t): New typedefs.
(struct sched_info): Add new field flags.
(struct haifa_insn_data): Add new bitfield has_internal_dep.
Prototype new sched-deps.c functions.
(HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
(BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
New constants.
(enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
New enums.
* sched-rgn.c (current_sched_info): Initialize flags field.
(schedule_insns): Initialize current_sched_info before the sched_init
call.
* sched-ebb.c (current_sched_info): Initialize flags field.
(add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
Call add_or_update_back_dep instead of add_dependence.
Create control speculative dependencies.
(schedule_insns): Initialize current_sched_info before the sched_init
call.
2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
fs->signal_frame.
(sh_fallback_frame_state): Likewise.
2006-03-15 Geoffrey Keating <geoffk@apple.com>
* config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
Do switch on default_use_cxa_atexit.
(powerpc*-*-darwin*): Build crt2.o on powerpc.
* config/darwin-crt3.o: New.
* config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
(STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
OS version.
* config/rs6000/t-darwin: Move crt2.o building to here.
* config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
Mac OS version for using __cxa_get_exception_ptr. Don't test versions
of __cxa_atexit.
2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
* config/vax/vax.c (nonindexed_address_p): Change logical negation
from '! xxx' to '!xxx' for coding-style conformance.
* config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
(EXTRA_CONSTRAINT): Likewise.
* config/vax/vax.md (four unnamed insns): Likewise.
2006-03-15 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (minipool_pad): New.
(add_minipool_forward_ref): Include pool alignment padding in address
calculation.
(push_minipool_fix): Set minipool_pad.
(minipool_pad): Ditto.
2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
* config/vax/vax.c (split_quadword_operands): Use MEM_P()
instead of GET_CODE() == MEM and REG_P() instead of
GET_CODE() == REG.
(print_operand_address): Likewise.
(vax_address_cost): Likewise.
(vax_rtx_costs): Likewise.
(vax_notice_update_cc): Likewise.
(vax_output_int_add): Likewise.
(INDEX_REGISTER_P): Likewise.
(BASE_REGISTER_P): Likewise.
(nonindexed_address_p): Likewise.
(vax_mode_dependent_address_p): Likewise.
* config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
(PRINT_OPERAND): Likewise.
* config/vax/vax.md (ashlsi3): Likewise.
(ashlsi3): Likewise.
(some more unnamed insns): Likewise.
2006-03-15 Kazu Hirata <kazu@codesourcery.com>
* tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
iterator-style macro.
(mark_control_dependent_edges_necessary): Update the use of
EXECUTE_IF_CONTROL_DEPENDENT.
2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
* config/sh/predicates.md (cache_address_operand): Special.
(ua_address_operand): Likewise.
2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
* haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
loop notes.
* sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2006-03-15 Andreas Schwab <schwab@suse.de>
* gensupport.c (identify_predicable_attribute): Don't free p_false
when it is still in use.
2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
* config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
the default setting here.
2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
* tree-pass.h (pass_cfg): Remove.
* alias.c (rest_of_handle_cfg, pass_cfg): Remove.
* passes.c (pass_cfg): Don't run it.
2006-03-14 Kazu Hirata <kazu@codesourcery.com>
* Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
* reg-stack.c (stack_regs_mentioned_data): Change the type to
VEC(char,heap) *.
(stack_regs_mentioned): Update the uses of
stack_regs_mentioned_data. Don't access the array beyond its
end.
(reg_to_stack): Update the uses of stack_regs_mentioned_data.
Don't include gt-reg-stack.h.
* config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
* system.h (UNALIGNED_WORD_ASM_OP): Poison.
* combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
PR middle-end/26684
* reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
STACK_REGS.
2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2006-03-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26672
* tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
SSA form.
2006-03-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26667
* ipa-inline.c (cgraph_check_inline_limits): Walk the correct
node for the callees. Always allow inlining if it will shrink
the function size.
2006-03-14 Richard Guenther <rguenther@suse.de>
PR middle-end/26659
* builtins.c (get_pointer_alignment): Prefer alignment
information from decls over that from types.
2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
PR target/26657
* config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
* config/rs6000/rs6000.opt (mdlmzb): New option.
(msched-prolog, msched-epilog): Use Var not Mask.
* doc/invoke.texi (-mdlmzb): Document.
* config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
MASK_SCHED_PROLOG.
(rs6000_override_options): Enable -mdlmzb for 405 and 440.
* config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
PR rtl-optimization/25739
* bt-load.c (augment_live_range): Free tos pointer.
* gensupport.c (identify_predicable_attribute): Free
p_false pointer.
* gcov.c (create_file_names): Free name pointer.
2006-03-13 Roger Sayle <roger@eyesopen.com>
PR middle-end/26557
* stmt.c (emit_case_nodes): Handle the case where the index is a
CONST_INT, where the comparison mode is specified by the index type.
2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
is defined.
2006-03-13 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
(*branch_fp_inverted): Likewise.
2006-03-13 Jakub Jelinek <jakub@redhat.com>
PR middle-end/25989
* omp-low.c (expand_omp_for_generic): Mark istart0
and iend0 as addressable.
2006-03-13 Jie Zhang <jie.zhang@analog.com>
* config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2006-03-13 Jeff Law <law@redhat.com>
* tree-vrp.c (stmt_interesting_for_vrp): Some statements with
virtual operands are interesting.
(vrp_visit_stmt): Corresponding changes.
2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
of RETS.
* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
* config/bfin/crti.S: Use it instead of __PIC__.
* config/bfin/crtn.S: Likewise.
* config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
not if flag_pic.
Lose 'G' modifier for call operand.
* config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
recognize 'G' modifier.
2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
PR middle-end/18859
* gimplify.c (gimplify_switch_expr): Discard empty ranges.
* stmt.c (expand_case): Likewise.
2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/26254
* loop-invariant.c (seq_insns_valid_p): New function.
(move_invariant_reg): Only emit new code if it is valid.
2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
* cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
Removed.
(force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
(rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
(commit_one_edge_insertion): Do not look for loop notes.
2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
* jump.c (follow_jumps): Do not check for loop notes. Move check for
flag_test_coverage out of loop.
2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
* final.c (shorten_branches): Remove outdated comment, and turn
the if branch that guards it to continue.
2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
* cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
* cfgloop.h (struct loop): Remove unused fields.
2006-03-13 Kazu Hirata <kazu@codesourcery.com>
* doc/invoke.texi (-fdump-rtl-loop): Remove.
(-dL, -fdump-rtl-loop2): Update the dump file names
* doc/invoke.texi: Update dump file names.
2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
* predict.c (estimate_probability): Remove.
* profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
* basic-block.h (estimate_probability): Remove prototype.
* passes.c (finish_optimization_passes): Dump branch prediction or
profiling heuristics to the .profile tree dump.
(init_optimization_passes): Unqueue pass_branch_prob.
* doc/invoke.texi (-fdump-rtl-bp): Remove.
2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
* rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
* rtl.h (LABEL_NEXTREF): Remove field accessor.
2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
* function.h (frame_offset_overflow): Declare.
* function.c (frame_offset_overflow): New function.
(assign_stack_local_1): Call it to detect that the offset overflows.
* cfgexpand.c (alloc_stack_frame_space): Likewise.
2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
* config/sh/sh.c: Include alloc-pool.h.
(label_ref_list_pool): New alloc pool.
(label_ref_list_t): New type for lists of labels.
(struct pool_node): Make wend a label_ref_list_t.
(add_constant): Use the new type, eradicate LABEL_NEXTREF
references.
(dump_table): Likewise.
(sh_reorg): Set up the alloc pool before using add_constant and
dump_table, and destroy it when finishing.
2006-03-11 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips.c: Remove redundant comment.
2006-03-10 Jason Merrill <jason@redhat.com>
PR c/26004
* gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
the target was declared 'register'.
2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
* genpreds.c (write_insn_constraint_len): Change definition of
insn_constraint_len to return size_t to match the declaration.
2006-03-10 DJ Delorie <dj@redhat.com>
* config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
start at zero.
(m32c_expand_insv): Fix test for an AND mask.
2006-03-10 Richard Guenther <rguenther@suse.de>
PR middle-end/26565
* builtins.c (get_pointer_alignment): Handle component
references for field alignment.
2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
* config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
when building with libgloss.
(sh*elf): Implement --without-fp option.
(sh64-superh-linux*): Don't multilib.
2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
* struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
* tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
Set it when one of the replacement functions returned true.
Return TODO_cleanup_cfg if cfgchanged is true.
(pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
* combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
instead of gen_lowpart.
2006-03-09 Richard Sandiford <richard@codesourcery.com>
* config/mips/mips-protos.h (mips_output_conditional_branch): Change
interface.
(mips_output_order_conditional_branch): Declare.
* config/mips/mips.h (MIPS_BRANCH): New macro.
* config/mips/mips.c (gen_conditional_branch): Use VOIDmode
for the comparison. Use gen_condjump.
(mips_output_conditional_branch): Rework interface to take the
asm templates for a direct branch and the inverse of a direct branch.
(mips_output_order_conditional_branch): New function.
(mips_builtin_branch_and_move): New function.
(mips_expand_builtin_compare): Use it. Use VOIDmode for the
branch condition. Use gen_single_cc as the condition for
__builtin_mips_upper_* or __builtin_mips_lower_*.
(mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
Use VOIDmode for the branch condition.
* config/mips/predicates.md (order_operator): New predicate.
* config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
(branch_fp): Rename to...
(*branch_fp): ...this. Remove mode from comparison operator.
Use new mips_output_conditional_branch interface.
(branch_fp_inverted): Rename to...
(*branch_fp_inverted): ...this and update as for *branch_fp.
(*branch_zero<mode>): Rename to...
(*branch_order<mode>): ...this. Remove mode from comparison operator.
Use mips_output_order_conditional_branch. Only accept ordered
comparisons.
(*branch_zero<mode>_inverted): Rename to...
(*branch_order<mode>_inverted): ...this and update as for
*branch_order<mode>.
(*branch_equality<mode>): Accept zero as the second operand to
the equality operator. Use the new mips_output_conditional_branch
interface.
(*branch_equality<mode>_inverted): Likewise.
(condjump): New expander.
* config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
operator.
* config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
(bc1any2t, bc1any2f): Likewise.
(single_cc): New expander.
(*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2006-03-09 Richard Sandiford <richard@codesourcery.com>
* doc/md.texi: Update documentation of MIPS constraints.
* config/mips/constraints.md: New file.
* config/mips/mips.md: Include it.
* config/mips/mips.c (mips_char_to_class): Delete.
(override_options): Don't initialize mips_char_to_class.
* config/mips/mips.h (mips_char_to_class): Delete.
(REG_CLASS_FROM_LETTER): Delete.
(CONST_OK_FOR_LETTER_P): Delete.
(CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
(EXTRA_CONSTRAINT_Y): Delete.
(EXTRA_CONSTRAINT_STR): Delete.
(CONSTRAINT_LEN): Delete.
(EXTRA_MEMORY_CONSTRAINT): Delete.
2006-03-09 Diego Novillo <dnovillo@redhat.com>
* tree-cfg.c (move_block_to_fn): Remove the statements from the
original fn's eh regions.
2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
* fold-const.c (build_range_check): Make sure to use a valid type to
apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
transformation.
(range_predecessor): New static function.
(range_successor): Likewise.
(merge_ranges): Use them to compute predecessors and successors of
range bounds.
2006-03-09 Roger Sayle <roger@eyesopen.com>
PR middle-end/26561
* fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
X op C3, consider whether C3 overflows towards +Inf or -Inf.
2006-03-08 DJ Delorie <dj@redhat.com>
* config/m32c/addsub.md (addqi3): Disparage a0/a1.
(addpsi3): Expand to include memory operands. Remove
reload-specific splits.
* config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
(andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
(andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
(andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
(shift1_qi, shift1_hi, insv): New.
* config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
(cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
cond_to_int): New.
* config/m32c/m32c-protos.h: Update as needed.
* config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
Fail for unrecognized R* constraints.
(m32c_cannot_change_mode_class): Be more picky about pseudos.
(m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
(m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
Add Sp constraint.
(m32c_init_libfuncs): New.
(m32c_legitimate_address_p): Add debug wrapper.
(m32c_rtx_costs): New.
(m32c_address_cost): New.
(conversions): Add 'B' prefix.
(m32c_print_operand): 'h' and 'H' pick lower and upper halves of
operands, or word regnames for QI operands. 'B' prints bit
position.
(m32c_expand_setmemhi): New.
(m32c_expand_movmemhi): New.
(m32c_expand_movstr): New.
(m32c_expand_cmpstr): New.
(m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
(m32c_expand_neg_mulpsi3): Handle non-ints.
(m32c_cmp_flg_0): New.
(m32c_expand_movcc): New.
(m32c_expand_insv): New.
(m32c_scc_pattern): New.
* config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
a0/a1 out of SIregs.
(STORE_FLAG_VALUE): New.
* config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
code macros.
(no_insn): New.
* config/m32c/mov.md: Make constraints more liberal.
(zero_extendqihi2): Optimize r0/r1 case.
* config/m32c/muldiv.md (mulpsi3): Check for intvals.
* config/m32c/predicates.md (m32c_any_operand): New.
(m32c_nonimmediate_operand): New.
(m32c_hl_operand): New.
(m32c_r3_operand): New.
(ap_operand): New.
(ma_operand): New.
(memsym_operand): New.
(memimmed_operand): New.
(a_qi_operand): New.
(m32c_eqne_operator): New.
(m32c_1bit8_operand): New.
(m32c_1bit16_operand): New.
(m32c_1mask8_operand): New.
(m32c_1mask16_operand): New.
* config/m32c/blkmov.md: New file.
* config/m32c/t-m32c (MD_FILES): Add blkmov.
2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
* dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
unsigned to fix signed/unsigned comparison issue in
DWARF2_FRAME_REG_OUT.
(expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
unsigned comparison issue in DWARF2_FRAME_REG_OUT.
* tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
of ptr into the ENABLE_CHECKING section.
2006-03-08 Jeff Law <law@redhat.com>
* tree-vrp.c (infer_value_range): Only count pointer uses
and dereferences if -fdelete-null-pointer-checks is enabled.
* tree-vrp.c (find_assert_locations): Infer value ranges for
single use pointers, but do not create ASSERT_EXPRs for them.
When a non-null range is inferred for a pointer, backwards
propagate that range to other equivalent pointers through the
use-def chain.
2006-03-08 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/26500
* Makefile.in (dvi, html, install-info): Invoke the corresponding
language hook targets.
* ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
objcp/Make-lang.in: Create stub rules for dvi, html, install-info
if language hook targets were missing.
2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-opfinalize.h: Removed.
* Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
dependency.
* tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
(ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
finalize_ssa_v_must_def_ops): New.
2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
* df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
block as parameter.
2006-03-07 Geoffrey Keating <geoffk@apple.com>
* varasm.c (assemble_end_function): Say that 'fnname' is unused.
* config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
addresses with offsets; reorganize.
* dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
(expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
(expand_builtin_init_dwarf_reg_sizes): Likewise.
2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
PR target/26588
* config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2006-03-08 Ben Elliston <bje@au.ibm.com>
* config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2006-03-07 Aldy Hernandez <aldyh@redhat.com>
PR gomp/26238
* doc/passes.texi (Tree-SSA passes): Document omp lowering and
expansion.
2006-03-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26587
* tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2006-03-07 Richard Sandiford <richard@codesourcery.com>
* varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2006-03-07 Richard Sandiford <richard@codesourcery.com>
* hooks.c (hook_bool_mode_rtx_true): New function.
* hooks.h (hook_bool_mode_rtx_true): Declare.
* toplev.c (compile_file): Call output_shared_constant_pool.
* varasm.c (shared_constant_pool): New variable.
(assemble_start_function, assemble_end_function): Remove arguments
from call to output_constant_pool.
(create_constant_pool): New function, split out from...
(init_varasm_status): ...here.
(force_const_mem): Choose between the shared and per-function constant
pools. Set current_function_uses_const_pool when reusing old entries
as well as when creating new ones.
(mark_constant): Ignore data argument.
(mark_constants): Remove pool argument.
(mark_constant_pool): Likewise. Use current_function_uses_const_pool
to decide whether the function uses a constant pool.
(output_constant_pool_contents): New function, split out from...
(output_constant_pool): ...here.
(output_shared_constant_pool): New function.
(init_varasm_once): Initialize shared_constant_pool.
* output.h (output_constant_pool): Delete.
(output_shared_constant_pool): Declare.
* config/s390/s390-protos.h (s390_output_constant_pool): Delete.
* config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2006-03-06 Nick Clifton <nickc@redhat.com>
* config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
flag_strength_reduce.
2006-03-06 Ben Elliston <bje@au.ibm.com>
* config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
x86_64-*-linux* configurations.
* config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
(LIBGCC2_WORDS_BIG_ENDIAN): Define.
2006-03-05 Kazu Hirata <kazu@codesourcery.com>
* tree-ssa-threadupdate.c (rediscover_loops_after_threading):
Remove.
* basic-block.h: Remove the extern for
rediscover_loops_after_threading.
* cfgloop.c (cancel_loop): Make it static.
* cfgloop.h: Remove the prototype for cancel_loop.
* flow.c (recompute_reg_usage): Make it static.
* rtl.h: Remove the prototype for recompute_reg_usage.
* function.c (use_return_register): Make it static.
* function.h: Remove the prototype.
2006-03-05 Kazu Hirata <kazu@codesourcery.com>
* recog.c (volatile_mem_p, validate_change_maybe_volatile):
Remove.
* recog.h: Remove the prototype for
validate_change_maybe_volatile.
2006-03-05 Kazu Hirata <kazu@codesourcery.com>
* rtlanal.c (replace_reg): Remove.
* rtl.h: Remove the prototype for replace_reg.
2006-03-05 Kazu Hirata <kazu@codesourcery.com>
* regclass.c (reg_scan_update): Remove.
(reg_scan_mark_refs): Remove the last argument.
* rtl.h: Remove the prototype for reg_scan_update.
2006-03-04 Kazu Hirata <kazu@codesourcery.com>
* builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
loop-invariant.c, omp-low.c, opts.c, passes.c,
rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
tree-ssa-structalias.c, tree-ssa-threadedge.c,
tree-ssa-threadupdate.c, tree-vect-patterns.c,
tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2006-03-04 Kazu Hirata <kazu@codesourcery.com>
* dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
* dwarf2out.h: Remove the prototype for
dwarf2out_add_library_unit_info.
2006-03-04 Kazu Hirata <kazu@codesourcery.com>
* tree.c (add_var_to_bind_expr): Remove.
* tree.h: Remove the prototype for add_var_to_bind_expr.
2006-03-04 Kazu Hirata <kazu@codesourcery.com>
* regclass.c (n_non_fixed_regs): Remove.
(init_reg_sets_1, globalize_reg): Remove all uses of
n_non_fixed_regs.
* hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2006-03-04 Kazu Hirata <kazu@codesourcery.com>
* rtlanal.c (insns_safe_to_move_p): Remove.
* rtl.h: Remove the prototype for insns_safe_to_move_p.
2006-03-04 Kazu Hirata <kazu@codesourcery.com>
* expmed.c (expand_mult_add): Remove.
* expr.h: Remove the prototype for expand_mult_add.
2006-03-04 Jakub Jelinek <jakub@redhat.com>
* unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
and REG_SAVED_VAL_EXP constants.
* unwind-dw2.c (struct _Unwind_Context): Add by_value array.
(_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
Handle regs stored by value.
(_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
(execute_cfa_program): Handle DW_CFA_val_offset,
DW_CFA_val_offset_sf and DW_CFA_val_expression.
(uw_update_context_1): Handle REG_SAVED_REG with regs stored by
value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
(uw_install_context_1): Handle target regs stored by value.
2006-03-03 Daniel Berlin <dberlin@dberlin.org>
* tree-sra.c (tree_sra): Return todoflags;
(generate_one_element): Set TODO_update_smt_usage if needed.
(pass_sra): Remove TODO_update_smt_usage.
* tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
parameter.
(tree_ssa_forward_propagate_single_use_vars): Return
TODO_update_smt_usage if we need to update SMT usage.
(pass_forwprop): Remove TODO_update_smt_usage.
2006-03-03 Diego Novillo <dnovillo@redhat.com>
* tree-ssa-operands.c: Tidy whitespace. Fix spelling.
(correct_use_link): Remove reference to get_stmt_operands.
(update_stmt_operands): Likewise.
(get_modify_expr_operands): New function factored out of
parse_ssa_operands and get_expr_operands.
Try to create V_MUST_DEFs for LHS by default.
(get_expr_operands) <case MODIFY_EXPR>: Call
get_modify_expr_operands.
<case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
<case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
(parse_ssa_operands) <case MODIFY_EXPR>: Call
get_modify_expr_operands.
2006-03-03 Kazu Hirata <kazu@codesourcery.com>
* tree-dfa.c (referenced_var_lookup_if_exists): Remove.
* tree-flow.h: Remove the prototype for
referenced_var_lookup_if_exists.
2006-03-03 Steve Ellcey <sje@cup.hp.com>
PR rtl-optimization/26345
PR target/19061
* config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2006-03-03 Roger Sayle <roger@eyesopen.com>
PR tree-optimization/26524
* tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
fold_convert to create a constant of the appropriate type.
2006-03-03 Richard Sandiford <richard@codesourcery.com>
* doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
SYMBOL_REF_IN_BLOCK_P.
* doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
of SYMBOL_FLAG_IN_BLOCK.
* gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
instead of SYMBOL_REF_IN_BLOCK_P.
* explow.c (use_anchored_address): Likewise.
* rtl.c (rtx_size): Likewise.
* varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
instead of SYMBOL_FLAG_IN_BLOCK.
(make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
SYMBOL_REF_IN_BLOCK_P.
(assemble_variable): Likewise.
(output_constant_def_contents): Likewise.
(output_constant_pool): Likewise.
(default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
instead of SYMBOL_FLAG_IN_BLOCK.
* rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
SYMBOL_REF_IN_BLOCK_P.
(SYMBOL_REF_BLOCK): Likewise.
(SYMBOL_REF_OFFSET): Likewise.
(BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
SYMBOL_REF_IN_BLOCK_P.
(SYMBOL_FLAG_IN_BLOCK): Replace with...
(SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
(SYMBOL_REF_IN_BLOCK_P): Replace with...
(SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2006-03-03 Jakub Jelinek <jakub@redhat.com>
* config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2006-03-02 Roger Sayle <roger@eyesopen.com>
* simplify-rtx.c (simplify_unary_operation): When simplifying
(neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
that we perform the right shift in the appropriate mode, and
then extend or truncate the result to requested mode.
2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
* gengtype.c (main): Handle double_int type.
* tree.h (struct tree_int_cst): Make type of int_cst double_int.
* double-int.c: New file.
* double-int.h: New file.
* system.h: Include doubleint.h.
* Makefile.in (SYSTEM_H): Include double-int.h.
(double-int.o): Add.
2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
PR bootstrap/26478
* Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
copying over it.
2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
* tree-vrp.c (remove_range_assertions): Do not update statements
unnecessarily.
2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
* cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
cleanup.
* gcse.c (rest_of_handle_gcse): Ditto.
* except.c (gate_handle_eh): Ditto.
* cfgcleanup.c (rest_of_handle_jump2): Ditto.
* basic-block.h (CLEANUP_PRE_LOOP): Remove.
2006-03-02 Eric Christopher <echristo@apple.com>
* config/i386/i386.c (machopic_output_stub): Add indirection to
jump.
2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
* loop.c: Removed.
2006-03-02 David S. Miller <davem@sunset.davemloft.net>
Sun Niagara specific optimizations.
* config.gcc: Recognize niagara as target.
* config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
(TARGET_CPU_niagara): Define.
(CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
(ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
(CPP_CPU_SPEC): Handle -mcpu=niagara.
(ASM_CPU_SPEC): Likewise.
(PROCESSOR_NIAGARA): New enum entry.
(REGISTER_MOVE_COST): Handle Niagara.
(BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
* config/sparc/sparc.c (niagara_costs): New processor_costs entry.
(sparc_override_options): Recognize "niagara", set appropriate
default MASK_* values for it, and align functions to 32-bytes
by default just like ULTRASPARC/ULTRASPARC3.
(sparc_initialize_trampoline): Handle niagara like ultrasparc.
(sparc64_initialize_trampoline): Likewise.
(sparc_use_sched_lookahead): Use zero for niagara.
(sparc_issue_rate): Use one for niagara.
* config/sparc/niagara.md: New file.
* config/sparc/sparc.md: Include it.
* config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
when default cpu is niagara.
(CPP_CPU_SPEC): Handle -mcpu=niagara.
(ASM_CPU_SPEC): Likewise.
* config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
when default cpu is niagara.
(ASM_CPU_SPEC): Handle -mcpu=niagara.
* config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
just like v9/ultrasparc/ultrasparc3.
* doc/invoke.texi: Add documentation for "niagara" and improve
existing documentation for ultrasparc variants.
2006-03-02 Diego Novillo <dnovillo@redhat.com>
* tree-ssa-operands.c (update_stmt_operands): Update documentation.
2006-03-02 Richard Sandiford <richard@codesourcery.com>
* doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
(ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
and say that only one is needed.
* doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
* target.h (have_switchable_bss_sections): New hook.
* explow.c (use_anchored_address): Check that the symbol is in a block.
* varasm.c (tls_comm_section, comm_section, lcomm_section)
(bss_noswitch_section): New variables.
(get_unnamed_section): Add SECTION_UNNAMED to the flags.
(get_noswitch_section): New function.
(get_block_for_section): Allow SECT to be null.
(unlikely_text_section_p): Use SECTION_STYLE.
(bss_initializer_p): New function.
(get_variable_section): Move earlier in file. Take a new argument,
prefer_noswitch_p. Move bss checks from assemble_variable to here.
Return one of the new *_sections in such cases.
(get_block_for_decl): New function, extracting some logic from
use_blocks_for_decl_p.
(change_symbol_section): Remove in favor of...
(change_symbol_block): ...this new function.
(use_blocks_for_decl_p): Remove checks now performed by
get_block_for_decl.
(make_decl_rtl): Use change_symbol_block and get_block_for_decl.
(ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
(emit_local, emit_bss, emit_common): ...these new functions.
Return true if the alignment was honored.
(emit_tls_common): New function.
(asm_emit_uninitialised): Delete.
(assemble_variable_noswitch): New function, split out from...
(assemble_variable): ...here. Don't make decisions about common
variables here. Globalize all public decls that go into non-common
sections. Check whether SYMBOL_REF_BLOCK is null.
(output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
(output_constant_pool): Likewise.
(init_varasm_once): Initialize the new section variables.
(have_global_bss_p): New function.
(categorize_decl_for_section): Use bss_initializer_p.
(switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
(place_block_symbol): Assert that the symbol must be in a block.
* target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
(TARGET_INITIALIZER): Include it.
* rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
* output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
(SECTION_MACH_DEP): Bump by two.
(SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
(unnamed_section): Mention SECTION_UNNAMED in comment.
(named_section): Likewise SECTION_NAMED.
(noswitch_section_callback): New type.
(noswitch_section): New structure.
(section): Add a noswitch_section alternative.
(SECTION_STYLE): New macro.
(tls_comm_section, comm_section, lcomm_section): Declare.
(bss_noswitch_section, have_global_bss_p): Declare.
* config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
* config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
Override.
* config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
* config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
Override.
2006-03-02 Daniel Berlin <dberlin@dberlin.org>
* tree-vrp.c (execute_vrp): Return value.
* regrename.c (rest_of_handle_regrename): Ditto.
* tree-into-ssa.c (rewrite_into_ssa): Ditto.
* tree-complex.c (tree_lower_complex): Ditto.
(tree_lower_complex_O0): Ditto.
* tracer.c (rest_of_handle_tracer): Ditto.
* postreload-gcse.c (rest_of_handle_gcse2): Ditto.
* postreload.c (rest_of_handle_postreload): Ditto.
* tree-tailcall.c (execute_tail_recursion): Ditto.
(execute_tail_calls): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree.h (init_function_for_compilation): Ditto.
* ipa-cp.c (ipcp_driver): Ditto.
* tree-scalar-evolution.c (scev_const_prop): Ditto.
* tree-scalar-evolution.h (scev_const_prop): Ditto.
* final.c (compute_alignments): Ditto.
(rest_of_handle_final): Ditto.
(rest_of_handle_shorten_branches): Ditto.
(rest_of_clean_state): Ditto.
* omp-low.c (execute_expand_omp): Ditto.
(execute_lower_omp): Ditto.
* tree-ssa-dse.c (tree_ssa_dse): Ditto.
* ipa-reference.c (static_execute): Ditto.
* tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
* reorg.c (rest_of_handle_delay_slots): Ditto.
(rest_of_handle_machine_reorg): Ditto.
* cgraphunit.c (rebuild_cgraph_edges): Ditto.
* flow.c (recompute_reg_usage): Ditto.
(rest_of_handle_remove_death_notes): Ditto.
(rest_of_handle_life): Ditto.
(rest_of_handle_flow2): Ditto.
* tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
* tree-ssa-ccp.c (do_ssa_ccp): Ditto.
(do_ssa_store_ccp): Ditto.
(execute_fold_all_builtins): Ditto.
* mode-switching.c (rest_of_handle_mode_switching): Ditto.
* modulo-sched.c (rest_of_handle_sms): Ditto.
* ipa-pure-const.c (static_execute): Ditto.
* cse.c (rest_of_handle_cse): Ditto.
(rest_of_handle_cse2): Ditto.
* web.c (rest_of_handle_web): Ditto.
* tree-stdarg.c (execute_optimize_stdarg): Ditto.
* tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
* tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
* tree-nrv.c (tree_nrv): Ditto.
(execute_return_slot_opt): Ditto.
* tree-ssa-alias.c (compute_may_aliases): Ditto.
(create_structure_vars): Ditto.
* loop-init.c (rtl_loop_init): Ditto.
(rtl_loop_done): Ditto.
(rtl_move_loop_invariants): Ditto.
(rtl_unswitch): Ditto.
(rtl_unroll_and_peel_loops): Ditto.
(rtl_doloop): Ditto.
* gimple-low.c (lower_function_body): Ditto.
(mark_used_blocks): Ditto.
* tree-ssa-sink.c (execute_sink_code): Ditto.
* ipa-inline.c (cgraph_decide_inlining): Ditto.
(cgraph_early_inlining): Ditto.
* global.c (rest_of_handle_global_alloc): Ditto.
* jump.c (cleanup_barriers): Ditto.
(purge_line_number_notes): Ditto.
* ifcvt.c (rest_of_handle_if_conversion): Ditto.
(rest_of_handle_if_after_reload): Ditto.
* tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
(tree_ssa_loop_im): Ditto.
(tree_ssa_loop_unswitch): Ditto.
(tree_vectorize): Ditto.
(tree_linear_transform): Ditto.
(tree_ssa_loop_ivcanon): Ditto.
(tree_ssa_empty_loop): Ditto.
(tree_ssa_loop_bounds): Ditto.
(tree_complete_unroll): Ditto.
(tree_ssa_loop_prefetch): Ditto.
(tree_ssa_loop_ivopts): Ditto.
(tree_ssa_loop_done): Ditto.
* predict.c (tree_estimate_probability): Ditto.
* recog.c (split_all_insns_noflow): Ditto.
(rest_of_handle_peephole2): Ditto.
(rest_of_handle_split_all_insns): Ditto.
* tree-eh.c (lower_eh_constructs): Ditto.
* regmove.c (rest_of_handle_regmove): Ditto.
(rest_of_handle_stack_adjustments): Ditto.
* local-alloc.c (rest_of_handle_local_alloc): Ditto.
* function.c (instantiate_virtual_regs): Ditto.
(init_function_for_compilation): Ditto.
(rest_of_handle_check_leaf_regs): Ditto.
* gcse.c (rest_of_handle_jump_bypass): Ditto.
(rest_of_handle_gcse): Ditto.
* ipa-type-escape.c (type_escape_execute): Ditto.
* alias.c (rest_of_handle_cfg): Ditto.
* tree-if-conv.c (main_tree_if_conversion): Ditto.
* profile.c (rest_of_handle_branch_prob): Ditto.
* tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
* rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
* bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
* tree-dfa.c (find_referenced_vars): Ditto.
* except.c (set_nothrow_function_flags): Ditto.
(convert_to_eh_region_ranges): Ditto.
(rest_of_handle_eh): Ditto.
* emit-rtl.c (unshare_all_rtl): Ditto.
(remove_unnecessary_notes): Ditto.
* except.h (set_nothrow_function_flags): Ditto.
(convert_to_eh_region_ranges): Ditto.
* cfgexpand.c (tree_expand_cfg): Ditto.
* tree-cfgcleanup.c (merge_phi_nodes): Ditto.
* tree-ssa-pre.c (do_pre): Ditto.
(execute_fre): Ditto.
* cfgcleanup.c (rest_of_handle_jump): Ditto.
(rest_of_handle_jump2): Ditto.
* tree-sra.c (tree_sra): Ditto.
* tree-mudflap.c (execute_mudflap_function_ops): Ditto.
(execute_mudflap_function_decls): Ditto.
* tree-ssa-copy.c (do_copy_prop): Ditto.
(do_store_copy_prop): Ditto.
* ipa-prop.h (ipcp_driver): Ditto.
* cfglayout.c (insn_locators_initialize): Ditto.
* tree-ssa-forwprop.c
(tree_ssa_forward_propagate_single_use_vars): Ditto.
* cfglayout.h (insn_locators_initialize): Ditto.
* tree-ssa-dce.c (tree_ssa_dce): Ditto.
* tree-ssa.c (execute_early_warn_uninitialized): Ditto.
(execute_late_warn_uninitialized): Ditto.
* rtl.h (cleanup_barriers): Ditto.
(split_all_insns_noflow): Ditto.
(purge_line_number_notes): Ditto.
(unshare_all_rtl): Ditto.
(remove_unnecessary_notes): Ditto.
(recompute_reg_usage): Ditto.
(variable_tracking_main): Ditto.
* integrate.c (emit_initial_value_sets): Ditto.
* integrate.h (emit_initial_value_sets): Ditto.
* tree-optimize.c (execute_free_datastructures): Ditto
(execute_free_cfg_annotations): Ditto.
(execute_fixup_cfg): Ditto.
(execute_cleanup_cfg_pre_ipa): Ditto.
(execute_cleanup_cfg_post_optimizing): Ditto.
(execute_init_datastructures): Ditto.
* tree-object-size.c (compute_object_sizes): Ditto.
* combine.c (rest_of_handle_combine): Ditto.
* tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
* bb-reorder.c (duplicate_computed_gotos): Ditto.
(rest_of_handle_reorder_blocks): Ditto.
(rest_of_handle_partition_blocks): Ditto.
* var-tracking.c (variable_tracking_main): Ditto.
* tree-profile.c (tree_profiling): Ditto.
* tree-vect-generic.c (expand_vector_operations): Ditto.
* reg-stack.c (rest_of_handle_stack_regs): Ditto.
* sched-rgn.c (rest_of_handle_sched): Ditto.
(rest_of_handle_sched2): Ditto.
* basic-block.h (free_bb_insn): Ditto.
* tree-ssa-structalias.c (ipa_pta_execute): Ditto.
* tree-cfg.c (execute_build_cfg): Ditto.
(remove_useless_stmts): Ditto.
(split_critical_edges): Ditto.
(execute_warn_function_return): Ditto.
(execute_warn_function_noreturn): Ditto.
* tree-ssa-reassoc.c (execute_reassoc): Ditto.
* cfgrtl.c (free_bb_for_insn): Ditto.
* passes.c (execute_one_pass): Run additional
todos returned by execute function.
* tree-pass.h (struct tree_opt_pass): Make execute
return a value.
2006-03-02 Richard Guenther <rguenther@suse.de>
* tree-ssa-alias.c (find_used_portions): Consider taking
the address as making the variable not write-only.
2006-03-02 Nick Clifton <nickc@redhat.com>
* config.gcc (default_use_cxa_atexit): Extend the description of
this configure variable. Set its default value to "yes" for
Linux, NetBSD and ELF targets on the assumption that they will
use C libraries with the __cxa_atexit function.
2006-03-02 Ben Elliston <bje@au.ibm.com>
* config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
parameter as unused to suppress a build warning.
2006-03-02 Ben Elliston <bje@au.ibm.com>
* mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
config/dfp-bit.c.
2006-03-01 Roger Sayle <roger@eyesopen.com>
PR other/26489
* gthr-posix.h (__gthrw2): Define to take three parameters, the
declared name, the weak reference name, and the typeof name.
(__gthrw): Avoid expanding the declared name suffix.
(__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2006-03-01 Jakub Jelinek <jakub@redhat.com>
* dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
from DWARF 3.
(DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
(DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
(DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
(DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
DW_DS_leading_separate, DW_DS_trailing_separate): New.
(DW_END_default, DW_END_big, DW_END_little): New.
(DW_END_lo_user, DW_END_hi_user): Define.
(DW_LNE_lo_user, DW_LNE_hi_user): Define.
(DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
(DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
DW_LANG_D): New.
2006-03-01 Diego Novillo <dnovillo@redhat.com>
* tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
Update all users.
* tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
Update all users.
(TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
Update all users.
* tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
Update all users.
* tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
to 'symbol_mem_tag'.
Update all users.
* doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
rename.
2006-03-01 Roger Sayle <roger@eyesopen.com>
* builtins.c (fold_builtin_copysign): Delete unreachable code.
2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
PR target/25761
* config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
MACHO_DYNAMIC_NO_PIC_P.
(MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
PR target/26389
* config/darwin-protos.h (darwin_asm_output_anchor):
Declare.
* config/darwin-sections.def (cstring_section):
Add SECTION_MERGE to the flags.
(literal4_section): Likewise.
(literal8_section): Likewise.
(objc_selector_refs_section): Likewise.
(objc_cls_refs_section): Likewise.
* config/darwin.c (darwin_asm_output_anchor): New
function.
* config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2006-03-01 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/26443
* tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
to todo and PROP_tmt_usage to properties_destroyed.
* tree-ssa-ccp.c (pass_ccp): Ditto.
(pass_store_ccp): Ditto.
* tree-ssa-dom.c (pass_dominator): Ditto.
2006-03-01 Diego Novillo <dnovillo@redhat.com>
* tree-ssa-operands.c: Cleanup whitespace.
(get_asm_expr_operands): Move before first invocation.
(get_indirect_ref_operands): Likewise.
(get_tmr_operands): Likewise.
(get_call_expr_operands): Likewise.
(append_def): Likewise.
(append_use): Likewise.
(append_v_may_def): Likewise.
(append_v_must_def): Likewise.
(add_call_clobber_ops): Likewise.
(add_call_read_ops): Likewise.
(add_stmt_operand): Likewise.
(add_virtual_operand): Likewise.
(build_ssa_operands): Likewise.
2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/26022
Revert:
PR middle-end/24437
* tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
with a call expr to ...
* fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2006-03-01 Diego Novillo <dnovillo@redhat.com>
* tree-vrp.c (extract_range_from_assert): Remove special
handling for types with super-types.
2006-03-01 Ben Elliston <bje@au.ibm.com>
* config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
and powerpc64-*-linux* configurations.
* config/t-dfprules: New file.
* mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
Compile dfp-bit.c from the source directory using -DWIDTH and
$DFP_CFLAGS to control the compilation of that file, rather than
generating width-specific versions in the build directory.
* Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
(LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2006-02-28 Zack Weinberg <zackw@panix.com>
* doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
continues to work.
2006-02-28 Eric Christopher <echristo@apple.com>
* config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
Set up IN_LIBGCC definition of TARGET_64BIT.
* config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2006-02-28 Roger Sayle <roger@eyesopen.com>
PR middle-end/14752
* c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
cases via the construction of "expr != 0".
2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
* alias.c (alias_invariant, alias_invariant_size): Remove.
(record_base_value): Remove.
(memrefs_conflict_p): Don't look at alias_invariant.
(end_alias_analysis): Don't free it.
* alias.h (record_base_value): Remove prototype.
2006-02-28 Paolo Bonzini <bonzini@gnu.org>
Adam Nemet <anemet@caviumnetworks.com>
* rtl.h (truncated_to_mode): Declare it.
(struct rtl_hooks): Add reg_truncated_to_mode hook.
* rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
(RTL_HOOKS_INITIALIZER): Include it.
* rtlhooks.c (reg_truncated_to_mode_general): New function.
* combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
reg_truncated_to_mode.
* rtlanal.c (truncated_to_mode): Define it.
* simplify-rtx.c (simplify_unary_operation_1): Use it.
2006-02-28 Jeff Law <law@redhat.com>
* tree-chrec.c (chrec_convert_aggressive): Do not eliminate
conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
the range allowed by TYPE_PRECISION.
* tree.h (strct phi_arg_d): Remove unused NONZERO field.
2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
PR tree-optimization/26419
* doc/invoke.texi (ftree-vectorizer-verbose): Add information on
values of n.
2006-02-27 Zack Weinberg <zackw@panix.com>
* doc/md.texi: Fix typo in previous change.
2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
* df.c: Remove.
2006-02-27 Zack Weinberg <zackw@panix.com>
* rtl.def (define_constraint, define_register_constraint)
(define_memory_constraint, define_address_constraint): New MD forms.
* gensupport.c (process_rtx): Put define_constraint etc on the
predicate queue.
* genpreds.c (process_define_predicate): Adjust comment. Validate
the name, and call validate_exp to validate the expression.
(mark_mode_tests, write_extract_subexp): Can assume correct input.
(write_predicate_expr): Likewise. NAME argument no longer necessary;
all callers changed.
(validate_exp, needs_variable, struct constraint_data)
(constraints_by_letter_table, first_constraint, last_constraint_ptr)
(FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
(const_dbl_constraints, constraint_max_namelen)
(have_register_constraints, have_memory_constraints)
(have_address_constraints, have_address_constraints)
(have_extra_constraints, have_const_int_constraints)
(have_const_dbl_constraints, mangle, add_constraint)
(process_define_constraint, process_define_register_constraint)
(write_enum_constraint_num, write_lookup_constraint)
(write_insn_constraint_len, write_regclass_for_constraint)
(write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
(write_insn_extra_memory_constraint)
(write_insn_extra_address_constraint)
(write_satisfies_constraint_fns): New.
(write_tm_preds_h): If we have new-style constraint definitions,
prototype the functions generated from them, and define the
old constraint interface (still used by generic code) in terms of
those functions.
(write_insn_preds_c): If we have new-style constraint definitions,
generate all relevant functions from those definitions.
(main): Handle define_constraint etc.
* genoutput.c (struct constraint_data, indep_constraints)
(mdep_constraint_letters, constraints_by_letter_table, note_constraint)
(mdep_constraint_len): New data structures and functions, defined
#ifdef USE_MD_CONSTRAINTS.
(check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
(validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
use new logic to validate operand constraints against constraint
definitions.
(main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
defined.
* defaults.h: If none of the old-style constraint macros are
defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
old-style macros; and poison REG_CLASS_FROM_LETTER,
CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
EXTRA_CONSTRAINT.
* recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
* doc/md.texi: Document new constraint-definition mechanism and the
C interface it provides. Remove references to old mechanism
elsewhere in the document.
(Machine Constraints): Use pathnames relative to gcc directory,
i.e. config/ARCH/FILE. Change i386 section to refer to
config/i386/predicates.md; update that section to match docstrings.
* doc/tm.texi: Move all documentation of the old constraint-
definition macros to their own section, clearly mark as obsolete.
* config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
(u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
definitions.
* config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
(CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
* config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
constraint strings.
(splits and peepholes): Use satisfies_constraint_*.
* config/i386/i386.c (memory_address_length)
(ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2006-02-27 Daniel Berlin <dberlin@dberlin.org>
* lambda-code.c (can_convert_to_perfect_nest): Allow any type of
scalar operation to be put back into the loop.
2006-02-27 Jakub Jelinek <jakub@redhat.com>
PR other/26208
* unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
(extract_cie_info): Handle S flag in augmentation string.
(execute_cfa_program): If context->signal_frame, execute also
fs->pc == context->ra instructions.
(uw_frame_state_for): If context->signal_frame, don't subtract one
from context->ra to find FDE.
(uw_update_context_1): Set context->signal_frame to
fs->signal_frame.
(_Unwind_GetIPInfo): New function.
* unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
* unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
of _Unwind_GetIP.
* unwind-sjlj.c (_Unwind_GetIPInfo): New function.
* unwind-generic.h (_Unwind_GetIPInfo): New prototype.
* unwind-compat.c (_Unwind_GetIPInfo): New function.
* libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
* config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
* config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
* config/i386/linux-unwind.h (x86_fallback_frame_state,
x86_64_fallback_frame_state): Set fs->signal_frame.
* config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
(MD_FROB_UPDATE_CONTEXT): Define unconditionally.
(frob_update_context): Likewise. Workaround missing S flag in
Linux 2.6.12 - 2.6.16 kernel vDSOs.
* config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
Remove the psw_addr + 1 hack.
2006-02-27 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-structalias.c (get_constraint_for): Move code to deal
with aggregates here.
(find_func_aliases): Remove code for &<aggregate> from here.
2006-02-26 Roger Sayle <roger@eyesopen.com>
* fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
(X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
as (X & C) ne/eq 0.
2006-02-26 Roger Sayle <roger@eyesopen.com>
PR middle-end/19983
* real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
* opts.c (decode_options): Do not handle flag_strength_reduce.
(common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
and OPT_fstrength_reduce.
* tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
flag_prefetch_loop_arrays for being nonzero.
* common.opt (floop-optimize, frerun-loop-opt): Resurrected as
no-ops.
(fprefetch-loop-arrays-rtl): Removed.
(flag_prefetch_loop_arrays): Do not specify the value.
* doc/passes.texi: Update documentation of loop optimizer
passes.
* doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
-frerun-loop-opt): Remove.
2006-02-26 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26421
* tree-ssa-alias.c (find_used_portions): Don't treat parameters
in function calls that are ADDR_EXPRs as using the whole structure.
2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
* common.opt (-floop-optimize, -frerun-loop-opt): Remove.
* tree-pass.h (pass_loop_optimize): Remove.
* passes.c (pass_loop_optimize): Never run it.
* toplev.c (backend_init): Don't call init_loop.
* opts.c (flag_loop_optimize_set): Remove.
(decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
(common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
the old RTL loop optimizer when profiling enabled.
* predict.c (tree_estimate_probability): Always strip builtin_expect.
* cfgcleanup.c (try_forward_edges): Don't avoid killing loop
pre-headers for the sake of the old RTL loop optimizer.
* Makefile.in: Remove all references to loop.o.
* doc/invoke.texi: Remove all references to -floop-optimize
and -frerun-loop-opt.
2006-02-26 Zack Weinberg <zackw@panix.com>
* doc/md.texi (Machine Constraints): Refer to all files with paths
relative to gcc directory (i.e. config/CPU/file). Add missing
@table @code ... @end table to M32C subsection.
2006-02-26 Roger Sayle <roger@eyesopen.com>
* fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
(X & 1) == 0.
<BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2006-02-26 Roger Sayle <roger@eyesopen.com>
James A. Morrison <phython@gcc.gnu.org>
PR middle-end/21137
* fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
new constant C2<<C1, or as (X<0) or (X,false) depending upon the
signedness of the shift operation.
2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
PR tree-optimization/26359
* tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2006-02-25 Roger Sayle <roger@eyesopen.com>
* simplify-rtx.c (simplify_relational_operation_1): Simplify
(X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
as X == 0, and some symmetry related transformations.
Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2006-02-25 Roger Sayle <roger@eyesopen.com>
PR middle-end/23673
* fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
symmetry related transformations. Fold (X^C1) == C2 as
X == (C1^C2).
2006-02-25 Juergen Weigert <jw@suse.de>
Richard Guenther <rguenther@suse.de>
* scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
* combine.c (gen_lowpart_or_truncate): Call
simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2006-02-24 Diego Novillo <dnovillo@redhat.com>
* doc/invoke.texi: Move -fopenmp description to "Options for
Code Generation".
Remove reference to -lgomp.
2006-02-24 David Edelsohn <edelsohn@gnu.org>
* doc/install.texi: Require GNU tar version 1.14.
2006-02-24 Geoffrey Keating <geoffk@apple.com>
* doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
* doc/invoke.texi (C++ Dialect Options): Document
-fno-use-cxa-get-exception-ptr.
* configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
* configure: Regenerate.
* c.opt (fuse-cxa-get-exception-ptr): New.
* c-opts.c (c_common_handle_option): Handle
OPT_fuse_cxa_get_exception_ptr.
* c-common.c (flag_use_cxa_atexit): Update documentation.
(flag_use_cxa_get_exception_ptr): New.
* c-common.h (flag_use_cxa_get_exception_ptr): New.
* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
documentation.
(C_COMMON_OVERRIDE_OPTIONS): New.
2006-02-24 Roger Sayle <roger@eyesopen.com>
PR middle-end/24952
* combine.c (try_combine): Explicitly check whether GET_CODE is
a SET or a CLOBBER, instead on checking that it isn't a USE.
2006-02-24 Roger Sayle <roger@eyesopen.com>
* fold-const.c (fold_comparison): New subroutine of fold_binary
containing transformations common to both the equality and
ordering relational operators, factored out of fold_binary.
(fold_binary): Separate out the equality operators (EQ_EXPR
and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
LE_EXPR and GE_EXPR), calling fold_comparison to perform the
transformations common to both.
(fold_div_compare): Fix latent bugs in the previously unreachable
LT_EXPR and GE_EXPR cases.
2006-02-24 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.c (rs6000_init_builtins): Change
decl libname for clog to __clog on AIX.
* config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2006-02-24 Alan Modra <amodra@bigpond.net.au>
PR target/26453
* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
output traceback table for thunks. Localise rs6000_stack_info call.
2006-02-23 Roger Sayle <roger@eyesopen.com>
Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
* gthr-posix.h (__gthrw): Fix typo in comment.
2006-02-23 Geoffrey Keating <geoffk@apple.com>
* doc/cpp.texi (Character sets): Document that we do support
input files to be in any character set.
2006-02-23 Jeff Law <law@redhat.com>
* tree.h (PHI_ARG_NONZERO): Remove.
* tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
(remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
node to the new node.
PR tree-optimization/26425
* tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
min/max, then assume its varying.
2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/26316
* rtlanal.c (enum may_trap_p_flags): New.
(may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
(may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
(may_trap_after_code_motion_p): New function.
* loop-invariant.c (find_identical_invariants): Fix dump formating.
(find_invariant_insn): Use may_trap_after_code_motion_p.
* rtl.h (may_trap_after_code_motion_p): Declare.
2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
* emit-rtl.c (immed_double_const): Cleanup.
2006-02-23 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/26376
* tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
remove assert.
2006-02-23 Jakub Jelinek <jakub@redhat.com>
PR middle-end/26412
* gimplify.c (omp_add_variable): Guard variable size decl test with
DECL_SIZE (decl) check.
2006-02-23 Richard Guenther <rguenther@suse.de>
PR middle-end/26439
* tree-ssa-structalias.c (find_func_aliases): Handle complex types
like aggregate types.
2006-02-23 Jakub Jelinek <jakub@redhat.com>
* configure.ac: Add --with{,out}-long-double-128 configure option.
(TARGET_DEFAULT_LONG_DOUBLE_128): New test.
* configure: Rebuilt.
* config.in: Rebuilt.
* doc/install.texi (Options specification): Document
--with-long-double-128.
* config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
(RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
* config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
(RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2006-02-23 Aldy Hernandez <aldyh@redhat.com>
* config/s390/s390.c (override_options): Handle
TARGET_DEFAULT_LONG_DOUBLE_128.
* config/alpha/alpha.c (override_options): Handle
TARGET_DEFAULT_LONG_DOUBLE_128.
* config/sparc/sparc.c (sparc_override_options): Handle
TARGET_DEFAULT_LONG_DOUBLE_128.
2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
* Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
(real-install-headers-tar, real-install-headers-cpio)
(real-install-headers-cp): New targets.
2006-02-22 Richard Sandiford <richard@codesourcery.com>
* tree.h (variable_section): Delete.
* varasm.c (variable_section): Delete.
2006-02-22 Paolo Bonzini <bonzini@gnu.org>
* install.texi: Add notes on install.texi2html.
(Building in parallel): Do not use footnotes.
2006-02-21 Aldy Hernandez <aldyh@redhat.com>
PR libgomp/26234
* doc/install.texi (Configuration): Document --disable-libgomp.
2006-02-21 Geoffrey Keating <geoffk@apple.com>
* config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2006-02-21 Alexandre Oliva <aoliva@redhat.com>
* config/i386/sse.md (vec_extractv2df_1_sse): New.
(vec_extractv2df_0_sse): New.
2006-02-21 Alexandre Oliva <aoliva@redhat.com>
* defaults.h (CFA_FRAME_BASE_OFFSET): Define.
* config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
* doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
* dwarf2out.c (build_cfa_loc): New offset parameter. Add it
to the result of the expression.
(def_cfa_1): Adjust.
(frame_pointer_cfa_offset): Rename to...
(frame_pointer_fb_offset): ... this. Adjust all uses.
(convert_cfa_to_loc_list): Rename to...
(convert_cfa_to_fb_loc_list): ... this. New offset parameter.
Pass it on to build_cfa_loc.
(compute_frame_pointer_to_cfa_displacement): Rename to...
(compute_frame_pointer_to_fb_displacement): ... this. New
offset parameter. Use it in computation.
(gen_subprogram_die): Compute cfa_fb_offset with the new
macro, and use it to compute the fb loc list and the
displacement.
2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/predicates.md (cc_operand): Delete predicate. All uses
replaced with register_operand.
* config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
non-DREG is expensive.
* config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
* config/bfin/bfin.md (movbi): Fix constraints and template for moves
involving memory.
2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
* doc/install.texi2html: Use set -e.
2006-02-21 Richard Sandiford <richard@codesourcery.com>
* doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
(ASM_OUTPUT_SHARED_LOCAL): Delete.
* doc/invoke.texi (-fshared-data): Delete.
* common.opt (fshared-data): Delete.
* varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
(assemble_static_space): Remove #if 0 code.
* system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
(ASM_OUTPUT_SHARED_LOCAL): Poison.
* config/cris/cris.h: Remove FIXME.
2006-02-21 Paolo Bonzini <bonzini@gnu.org>
* doc/sourcebuild.texi (Front End Directory): No more double-colon
hooks.
2006-02-21 Jakub Jelinek <jakub@redhat.com>
PR middle-end/26379
* combine.c (simplify_shift_const_1): Disable nested shifts
optimization for vector shifts.
2006-02-20 Roger Sayle <roger@eyesopen.com>
PR tree-optimization/26361
* tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
of unsigned integer types.
2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
* tree-chrec.c (eq_evolutions_p): New.
* tree-chrec.h (eq_evolutions_p): Declared.
* tree-data-ref.c: Fix formatting.
(datadep_stats, dependence_stats): New.
(gcd): Moved...
(print_direction_vector): New.
(dump_data_dependence_relation): Use print_direction_vector.
(object_analysis, create_data_ref): Handle COMPONENT_REF.
(compute_subscript_distance): Static.
(initialize_data_dependence_relation): Static. Get the number
of loops surrounding the references from the callers, and initialize
DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
base_object_differ_p analyzers.
(analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
compute_overlap_steps_for_affine_1_2,
analyze_subscript_affine_affine): Count the classified dependences.
Print a message when a test failed.
(can_use_analyze_subscript_affine_affine): New.
(analyze_siv_subscript): Compute the data dependences on symbolic
scevs that verify can_use_analyze_subscript_affine_affine.
(chrec_steps_divide_constant_p): Returns true, false, or unknown.
(analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
Handle symbolic scevs.
(analyze_overlapping_iterations): Let symbolic affine scevs to be
analyzed.
(subscript_dependence_tester): Moved...
(build_classic_dist_vector, build_classic_dir_vector): Don't use
lambda_vector_clear on newly allocated vectors. Get nb_loops from
DDR_SIZE_VECT instead of getting it in parameter.
(subscript_dependence_tester): ... here. Take as a parameter
loop_nest_depth. Call build_classic_dist_vector and
build_classic_dir_vector.
(compute_affine_dependence): Update subscript_dependence_tester
parameters. Update datadep_stats counters. Call
compute_subscript_distance.
(compute_self_dependence): Save the dist and dir vectors. Call
compute_subscript_distance.
(ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
(compute_all_dependences): Reorder parameters as they were before
conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
compute_subscript_distance. Update the use of
compute_affine_dependence and initialize_data_dependence_relation.
(find_data_references_in_loop): Handle COMPONENT_REF.
(compute_data_dependences_for_loop): Initialize dependence_stats.
Don't call build_classic_dist_vector and build_classic_dir_vector.
Update the parameters of initialize_data_dependence_relation and
compute_all_dependences. Print the statistics from datadep_stats.
(analyze_all_data_dependences): Static. Not used until the pass for
checking the data dependences is contributed.
* tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
(initialize_data_dependence_relation, compute_affine_dependence,
analyze_all_data_dependences, compute_subscript_distance): Removed.
(print_direction_vector): New.
* lambda.h (gcd): ... here.
(lambda_vector_gcd): Moved here from gcd_vector.
* lambda-code.c (gcd, gcd_vector): Removed.
(lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
* Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2006-02-20 Diego Novillo <dnovillo@redhat.com>
* ipa-type-escape.c: Tidy some comments and white space.
* tree-ssa-operands.c: Likewise.
2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/25879
* tree-pretty-print.c (debug_tree_chain): Walk the chains.
(dump_decl_name): Do not walk the decl tree chains.
* tree-pass.h (TDF_CHAIN): Remove.
2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
* Makefile.in (C): Remove
(PROTO): Remove
(.PHONY): Remove C and PROTO
2006-02-20 Roger Sayle <roger@eyesopen.com>
PR middle-end/26236
* doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
deprecated CHAR_TYPE tree code.
2006-02-20 Paolo Bonzini <bonzini@gnu.org>
* configure.ac (target_list): Add install-info, dvi, html.
* configure: Regenerate.
* ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
treelang/Make-lang.in: Do not use double-colon rules.
2006-02-20 Daniel Berlin <dberlin@dberlin.org>
* tree.h (struct tree_memory_tag): Add is_used_alone member.
(TMT_USED_ALONE): New macro.
* tree-pass.h (PROP_tmt_usage): New property.
(TODO_update_tmt_usage): New todo.
* tree-ssa-alias.c (updating_used_alone): New variable.
(recalculate_used_alone): New function.
(compute_may_aliases): Set updating_used_alone, call
recalculate_used_alone.
* tree-sra.c (pass_sra): Note that this pass destroys
PROP_tmt_usage, and add TODO_update_tmt_usage.
* tree-ssa-forwprop.c (pass_forwprop): Ditto.
* tree-flow.h (updating_used_alone): Prototype.
(recalculate_used_alone): Ditto.
* passes.c (execute_todo): Add code to set updating_used_alone,
and call recalculate.
* tree-ssa-operands.c (add_virtual_operand): Only append bare def
for clobber if used alone, and add assert to verify used_alone
status.
2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
* config/s390/s390.c (legitimize_pic_address): Assertions checking
for non tls symbols added.
(legitimize_address): Do nothing for PLUS expressions if one of the
addends is a tls symbol reference.
2006-02-20 Paolo Bonzini <bonzini@gnu.org>
PR bootstrap/25476
* Makefile.in (LDFLAGS): Define from autoconf substitution.
* Makefile.in (BOOTSTRAPPING): New.
(quickstrap): New definition if BOOTSTRAPPING=yes.
* Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
* configure.ac: Substitute all_selected_languages with the languages
that were configured. For all the other variables except
lang_specs_files, include all the languages in the tree.
* configure: Regenerate.
* Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
if there is one. Run the commands to run fixincludes in the same
subshell.
* doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
* doc/install.texi: Document exact conventions for searching target tools.
Document --with-build-time-tools. Document toplevel bootstrap. Document
something more about building an Ada cross-compiler. Don't list GNU Make
requirements which affect all platforms.
2006-02-19 Roger Sayle <roger@eyesopen.com>
PR middle-end/19543
* varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
only equivalent if the have both the same mode and precision.
2006-02-20 Ben Elliston <bje@au.ibm.com>
* doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
2006-02-19 Roger Sayle <roger@eyesopen.com>
Steven Bosscher <stevenb.gcc@gmail.com>
* gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
constant pool references to identify stack mode constants.
* rtlanal.c (constant_pool_constant_p): New predicate to check
whether operand is a floating point constant in the pool.
* rtl.h (constant_pool_constant_p): Prototype here.
* loop.c (scan_loop): Avoid hoisting constants from the constant
pool on STACK_REGS targets.
(load_mems): Likewise.
* loop-invariant.c (get_inv_cost): Make hoisting constant pool
loads into x87 registers expensive in terms of register pressure.
2006-02-19 Roger Sayle <roger@eyesopen.com>
* gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
__foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
2006-02-19 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
* config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
2006-02-19 Daniel Berlin <dberlin@dberlin.org>
* doc/invoke.texi: Document -fipa-pta.
* common.opt: Add ipa-pta option.
* tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
(do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
(do_ds_constraint): Ditto.
(get_constraint_for): Only add to referenced_vars if
referenced_vars exists.
(insert_into_field_list): Rewrite to do this unsorted.
(insert_into_field_list_sorted): Rename old insert_into_field_list
to this.
(create_function_info_for): Use insert_into_field_list_sorted.
(create_variable_info_for): Rewrite so it uses unsorted version,
since the field list is sorted.
(intra_create_variable_infos): Only add to referenced_vars if
referenced_vars exists.
(ipa_pta_execute): Init heapvars, and delete when done.
* passes.c (init_optimization_passes): Add call to pass_ipa_pta.
2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* doc/install.texi: Add missing `@samp'.
2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
* config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
Use the arguments.
2006-02-18 Mark Wielaard <mark@klomp.org>
* doc/contrib.texi (Contributors): Add classpath/libgcj hackers
who added new 4.1 features, bug fixes and integration support.
2006-02-18 David Edelsohn <edelsohn@gnu.org>
PR target/26350
* config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
MEM for ABI_V4 pic.
2006-02-18 Richard Sandiford <richard@codesourcery.com>
* cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
* emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
(copy_insn_1): Likewise. Don't copy each field individually.
Reindent.
* read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
of RTX_SIZE.
* reload1.c (eliminate_regs): Use shallow_copy_rtx.
* rtl.c (rtx_size): Rename variable to...
(rtx_code_size): ...this.
(rtx_size): New function.
(rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
(copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
Reindent.
(shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
* rtl.h (rtx_code_size): New variable.
(rtx_size): Change from a variable to a function.
(RTX_SIZE): Rename to...
(RTX_CODE_SIZE): ...this.
PR target/9703
PR tree-optimization/17106
* doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
(Anchored Addresses): New section.
* doc/invoke.texi (-fsection-anchors): Document.
* doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
(SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
* hooks.c (hook_bool_mode_rtx_false): New function.
* hooks.h (hook_bool_mode_rtx_false): Declare.
* gengtype.c (create_optional_field): New function.
(adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
SYMBOL_REF_IN_BLOCK_P is true.
* target.h (output_anchor, use_blocks_for_constant_p): New hooks.
(min_anchor_offset, max_anchor_offset): Likewise.
(use_anchors_for_symbol_p): New hook.
* toplev.c (compile_file): Call output_object_blocks.
(target_supports_section_anchors_p): New function.
(process_options): Check that -fsection-anchors is only used on
targets that support it and when -funit-at-a-time is in effect.
* tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
if the decl doesn't have one.
* dwarf2out.c: Remove instantiations of VEC(rtx,gc).
* expr.c (emit_move_multi_word, emit_move_insn): Pass the result
of force_const_mem through use_anchored_address.
(expand_expr_constant): New function.
(expand_expr_addr_expr_1): Call it. Use the same modifier when
calling expand_expr for INDIRECT_REF.
(expand_expr_real_1): Pass DECL_RTL through use_anchored_address
for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
* expr.h (use_anchored_address): Declare.
* loop-unroll.c: Don't declare rtx vectors here.
* explow.c: Include output.h.
(validize_mem): Call use_anchored_address.
(use_anchored_address): New function.
* common.opt (-fsection-anchors): New switch.
* varasm.c (object_block_htab, anchor_labelno): New variables.
(hash_section, object_block_entry_eq, object_block_entry_hash)
(use_object_blocks_p, get_block_for_section, create_block_symbol)
(use_blocks_for_decl_p, change_symbol_section): New functions.
(get_variable_section): New function, split out from assemble_variable.
(make_decl_rtl): Create a block symbol if use_object_blocks_p and
use_blocks_for_decl_p say so. Use change_symbol_section if the
symbol has already been created.
(assemble_variable_contents): New function, split out from...
(assemble_variable): ...here. Don't output any code for
block symbols; just pass them to place_block_symbol.
Use get_variable_section and assemble_variable_contents.
(get_constant_alignment, get_constant_section, get_constant_size): New
functions, split from output_constant_def_contents.
(build_constant_desc): Create a block symbol if use_object_blocks_p
says so. Or into SYMBOL_REF_FLAGS.
(assemble_constant_contents): New function, split from...
(output_constant_def_contents): ...here. Don't output any code
for block symbols; just pass them to place_section_symbol.
Use get_constant_section and get_constant_alignment.
(force_const_mem): Create a block symbol if use_object_blocks_p and
use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
(output_constant_pool_1): Add an explicit alignment argument.
Don't switch sections here.
(output_constant_pool): Adjust call to output_constant_pool_1.
Switch sections here instead. Don't output anything for block symbols;
just pass them to place_block_symbol.
(init_varasm_once): Initialize object_block_htab.
(default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
(default_asm_output_anchor, default_use_aenchors_for_symbol_p)
(place_block_symbol, get_section_anchor, output_object_block)
(output_object_block_htab, output_object_blocks): New functions.
* target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
(TARGET_ASM_OUT): Include it.
(TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
(TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
(TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
(TARGET_INITIALIZER): Include them.
* rtl.c (rtl_check_failed_block_symbol): New function.
* rtl.h: Include vec.h. Declare heap and gc rtx vectors.
(block_symbol, object_block): New structures.
(rtx_def): Add a block_symbol field to the union.
(BLOCK_SYMBOL_CHECK): New macro.
(rtl_check_failed_block_symbol): Declare.
(SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
(SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
(SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
(SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
* output.h (output_section_symbols): Declare.
(object_block): Name structure.
(place_section_symbol, get_section_anchor, default_asm_output_anchor)
(default_use_anchors_for_symbol_p): Declare.
* Makefile.in (RTL_BASE_H): Add vec.h.
(explow.o): Depend on output.h.
* config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
(TARGET_MAX_ANCHOR_OFFSET): Likewise.
(TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
(rs6000_use_blocks_for_constant_p): New function.
2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/25680
* tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
IMAGPART_EXPR.
2006-02-18 Diego Novillo <dnovillo@redhat.com>
* tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
is_aliased.
Update all users.
2006-02-18 Jakub Jelinek <jakub@redhat.com>
PR middle-end/26334
* stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
instead of DECL_REGISTER.
2006-02-18 Olivier Hainque <hainque@adacore.com>
PR ada/13408
* pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
PR target/24837
* config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
* opth-gen.awk: Handle Var and InverseMask together.
* config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
* config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
(TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
(CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
used together.
(UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
* config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
LINUX_DYNAMIC_LINKER): Define.
(ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
* config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
TARGET_GLIBC.
* config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
(CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
* config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
(TARGET_C99_FUNCTIONS): Don't define.
* config/i386/linux.h (DYNAMIC_LINKER): Rename to
GLIBC_DYNAMIC_LINKER.
(SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
* config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
GLIBC_DYNAMIC_LINKER64): Define.
(LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
LINUX_DYNAMIC_LINKER64.
* config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
* config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
* config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
* config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
(LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
and LINUX_DYNAMIC_LINKER32.
* config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
* config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
* config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
TARGET_GLIBC.
* config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
(GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
(LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
(LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
* config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
LINUX_DYNAMIC_LINKER): Define.
(LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
* config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
GLIBC_DYNAMIC_LINKER64): Define.
(LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
LINUX_DYNAMIC_LINKER64.
* config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
(SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
* config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
LINUX_DYNAMIC_LINKER): Define.
(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
(TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
* config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
(LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
(LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
(TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
* config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
* doc/invoke.texi (-muclibc): Remove caveat about supported
targets.
2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
* doc/cpp.texi (__TIMESTAMP__): Document.
2006-02-17 Roger Sayle <roger@eyesopen.com>
PR middle-end/25600
* fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
C is one less than the width of X (and related transformations).
* simplify-rtx.c (simplify_unary_operation_1): Transform
(neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
depending on STORE_FLAG_VALUE, were C is one less then the
width of X.
2006-02-17 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/26341
* tree-ssa-operands.c (add_virtual_operand): Remove assert
about NAME_MEMORY_TAG's.
2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR target/26255
* pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
with hardware float support, and software float support. Add fcpy
alternative to hardware patterns. Add alternatives to copy between
general and floating-point registers to the 32-bit pattern.
* pa.c (pa_secondary_reload): Don't abort if reload tries to find a
secondary reload to load a QI or HI mode constant into a floating
point register.
* pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
* pa64-regs.h (VALID_FP_MODE_P): Likewise.
2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
PR target/26272
* config/rs6000/darwin.md (load_macho_picbase_si): Add
pc to the pattern.
(load_macho_picbase_di): Likewise.
2006-02-16 Jeff Law <law@redhat.com>
* tree-vrp.c (set_value_range_to_nonnegative): New function.
(vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
(ssa_name_nonzero_p): Likewise.
(get_value_range): Return NULL if VRP is not running.
(extract_range_from_expr): Fallback to tree_expr_XXX_p if
VRP routines do not discover a range.
(vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
* tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
* fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
(tree_expr_nonnegative_p): Similarly.
* tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
(restore_nonzero_vars_to_original_value): Remove.
(unsafe_associative_fp_binop): Remove.
(tree_ssa_dominator_optimize): Remove initialization and
finalization of nonzero_vars and nonzero_vars_stack.
(dom_opt_initialize_block): No longer push marker on
nonzero_vars_stack.
(dom_opt_finalize_block): No longer call
restore_nonzero_vars_to_original_value.
(record_equivalences_from_phis): No longer look for
nonzero PHI arguments.
(cprop_into_successor_phis): No longer propagate nonzero
property into PHI arguments. Lose unused argument. Caller
updated.
(record_equivalences_from_stmt): No longer record nonzero
values for SSA_NAMEs.
(lookup_avail_expr): No longer use nonzero_vars.
* stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
for sizetype when sizetype is unsigned.
2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
PR rtl-optimization/25603
* reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
(regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
* reload1.c (choose_reload_regs): Added call of regno_clobbered_p
with new meaning of SETS.
2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
PR target/20353
PR target/24578
PR target/24837
* config/linux.opt: New file.
* config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
LINUX_DYNAMIC_LINKER): Define.
(TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
* config.gcc (*-*-linux*): Define extra_options.
(*-*-*uclibc*): Define UCLIBC_DEFAULT.
(arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
* config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
GLIBC_DYNAMIC_LINKER.
* config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
(LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
* config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
* doc/invoke.texi (GNU/Linux Options): New section.
2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
* config/sparc/sparc.md (setjmp): Rewrite.
(setjmp_32): Delete.
(setjmp_64): Likewise.
2006-02-16 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-operands.c (access_can_touch_variable): Fix typo in
previous change.
2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
* loop-invariant.c (invariant_for_use, check_dependencies): Fail for
read-write uses.
2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/26296
* Makefile.in (loop-invariant.c): Add except.h dependency.
* loop-invariant.c: Include except.h.
(find_invariant_insn): Ignore insns satisfying can_throw_internal.
2005-02-16 Paul Brook <paul@codesourcery.com>
* reload1.c (emit_reload_insns): Invalidate dead input registers used
for reloads.
2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
PR rtl-optimization/25636
* local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
when deciding whether an insn is an initializing insn.
2006-02-15 Daniel Berlin <dberlin@dberlin.org>
* tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
(tree_code_size): Ditto.
* tree.h (struct tree_memory_tag): Remove parent_var.
(struct tree_struct_field_tag): New.
(SFT_OFFSET): New.
(SFT_SIZE): New.
(union tree_node): Add sft member.
* tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
specially here.
(create_sft): Add size and offset argument, set SFT_OFFSET and
SFT_SIZE.
(create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
* treestruct.def: Add TS_STRUCT_FIELD_TAG.
* tree-flow-inline.h (get_subvar_at): Update for
SFT_OFFSET/SFT_SIZE.
(var_can_have_subvars): Ditto.
(overlap_subvar): Ditto.
* print-tree.c (print_node): Print out interesting things for
SFT's.
* tree-flow.h (struct subvar): Remove offset and size members.
* tree-ssa-operands.c (get_expr_operands): Update for
get_indirect_ref_operands changes.
(get_indirect_ref_operands): Call add_virtual_operand instead of
add_stmt_operand. Only recurse on base var if requested.
(access_can_touch_variable): New function.
(add_stmt_operand): Split virtual operand handling into ...
(add_virtual_operand): Here. Add offset, size, and for_clobber
arguments. Prune alias sets.
(add_call_clobber_ops): Call add_virtual_operand.
2006-02-15 Jakub Jelinek <jakub@redhat.com>
PR middle-end/26300
* combine.c (make_extraction): Bail out if ORIG_POS is negative.
* tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
than TREE_CODE as index into omp_clause_num_ops array.
2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
PR rtl-optimization/26184
* modulo-sched.c (generate_reg_moves): Free bitmap vector
uses_of_defs.
* modulo-sched.c (sms_schedule): Free g_arr pointer.
* modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
must_precede, must_follow and tobe_scheduled.
PR other/26147
* opts.c (common_handle_option): Free new_option pointer.
* df-core.c (df_analyze): Free postorder pointer.
2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
* Makefile.in: Fix the examples about the use of stamps
2006-02-15 Michael Matz <matz@suse.de>
PR middle-end/22275
* stor-layout.c (layout_decl): Zero-width bitfields aren't
influenced by maximum_field_alignment or DECL_PACKED.
(update_alignment_for_field): Ditto.
(place_field): Ditto.
* doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
this behaviour.
2006-02-15 Paolo Bonzini <bonzini@gnu.org>
* cfg.c (dump_flow_info): Get dump flags as an additional parameter.
(debug_flow_info): Pass it.
* alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
* bb-reorder.c (reorder_basic_blocks): Likewise.
* cfgcleanup.c (rest_of_handle_jump2): Likewise.
* cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
* flow.c (life_analysis, recompute_reg_usage): Likewise.
* gcse.c (gcse_main, bypass_jumps): Likewise.
* ifcvt.c (rest_of_handle_if_conversion): Likewise.
* local-alloc.c (rest_of_handle_local_alloc): Likewise.
* loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
* profile.c (compute_branch_probabilities, branch_prob): Likewise.
* rtl.h (dump_flow_info): Adjust prototype.
* tracer.c (rest_of_handle_tracer, tracer): Likewise.
* var-tracking.c (variable_tracking_main): Likewise.
* passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
* tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
options.
2006-02-15 Marcin Dalecki <martin@dalecki.de>
* tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
construction.
2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/26209
* tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
* tree-cfgcleanup.c (cleanup_control_flow): Remove dead
eh edges.
* tree-cfg.c (replace_uses_by): Do not alter cfg.
2006-02-14 Roger Sayle <roger@eyesopen.com>
PR middle-end/23670
* fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
(X,Y) and the corresponding symmetry related transformations.
(fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
(X,Y) and its symmetry related transformations.
2006-02-14 Roger Sayle <roger@eyesopen.com>
* dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
and GEU.
2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
* simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
PR bootstrap/26053
* configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
support COMDAT group.
* configure: Regenerate.
2006-02-14 Roger Sayle <roger@eyesopen.com>
PR middle-end/26279
PR middle-end/26280
PR middle-end/26283
* dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2006-02-14 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/26260
* doc/invoke.texi (max-fields-for-field-sensitive): Document
param.
* params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
* params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
* tree-ssa-structalias.c (create_variable_info_for): Use
MAX_FIELDS_FOR_FIELD_SENSITIVE.
2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
* doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
Document.
* tree-ssa-loop-niter.c (number_of_iterations_ne,
number_of_iterations_lt, number_of_iterations_cond): Remember the shape
of the ending condition.
* tree-ssa-loop-manip.c: Include params.h.
(build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
tree_unroll_loop): New functions.
* tree-pass.h (pass_loop_prefetch): Declare.
* loop.c (rest_of_handle_loop_optimize): Test for
-fprefetch-loop-arrays-rtl.
* tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
* timevar.def (TV_TREE_PREFETCH): New timevar.
* tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
pass_loop_prefetch): New.
* tree-cfgcleanup.c: Include tree-scalar-evolution.h.
(cleanup_tree_cfg_loop): Call scev_reset.
* common.opt (fprefetch-loop-arrays-rtl): Add.
* tree-ssa-loop-prefetch.c: New file.
* tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
(new_temp_expr_table): Initialize expr_vars.
(free_temp_expr_table): Cleanup expr_vars.
(check_replaceable, find_replaceable_in_bb): Prevent accumulating
expressions from being merged into one.
* tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
(struct tree_niter_desc): Add control, bound and cmp fields.
(tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
Declare.
* Makefile.in (tree-ssa-loop-prefetch.o): Add.
(tree-cfgcleanup.o): Add SCEV_H dependency.
(tree-ssa-loop-manip.o): Add PARAMS_H dependency.
* passes.c (init_optimization_passes): Add pass_loop_prefetch.
2006-02-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/26258
* tree-ssa-structalias.c (find_func_aliases): Handle aggregates
in PHI argument processing.
2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
* simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
new expression in the requested machine mode.
2006-02-13 Roger Sayle <roger@eyesopen.com>
* optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
directly, instead let do_compare_rtx_and_jump handle this for us.
* expr.c (expand_expr_real_1): Likewise.
* dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
before do_jump_by_parts_greater.
(do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
* expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/26235
* loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
(invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
format.
2006-02-13 Jeff Law <law@redhat.com>
* tree-vrp.c (extract_range_from_binary_expr): Remove handling of
TRUTH_XOR_EPR.
2006-02-13 Jakub Jelinek <jakub@redhat.com>
PR middle-end/26092
* gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
twice if decl is a builtin. When trying again, call get_callee_fndecl
first to verify it is still a builtin.
2006-02-13 Geoffrey Keating <geoffk@apple.com>
* dwarf2out.c (base_type_die): Don't add AT_name here.
(subrange_type_die): Don't add AT_name here.
(modified_type_die): Rearrange code flow. Do add AT_name here.
2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/26247
PR rtl-optimization/26248
* loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2006-02-13 Richard Sandiford <richard@codesourcery.com>
* config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
* config/fixtfdi.c: Likewise.
* config/fixunstfdi.c: Likewise.
* config/floatditf.c: Likewise.
2006-02-13 Roger Sayle <roger@eyesopen.com>
PR middle-end/24427
* fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
into (X,C2) if C1 is a subset of the bits of C2. Transform
(X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
(X&(C1&~C2))|C2.
<BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2006-02-13 Josh Conner <jconner@apple.com>
PR target/25376
* varasm.c (function_section): Check for section name before
calling select_section on targets that define
USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
unlikely_text_section instead of hot_function_section if
first_function_block_is_cold.
2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
PR middle-end/25335
* reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/26222
* function.c (assign_stack_temp_for_type): Do not reuse stack slots
after tree->rtl expansion.
* loop-invariant.c (move_invariant_reg): Use force_operand on rhs
before passing it to emit_move_insn.
2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
* doc/invoke.texi (-Write-strings): Document that it is enabled by
default.
* c.opt (-Wwrite-strings): Declare variable warn_write_strings.
Clarify documentation.
* c-common.h (warn_write_strings): Remove.
* c-common.c (warn_write_strings): Likewise.
* c-opts.c (c_common_init_options): Enable -Wwrite-strings by
default for C++.
2006-02-12 Roger Sayle <roger@eyesopen.com>
PR middle-end/25724
* dojump.c (do_jump): Call do_compare_rtx_and_jump.
(do_jump_parts_zero_rtx): New function renamed from
do_jump_parts_equality_rtx. Made static. Add a mode argument.
(do_jump_parts_equality_rtx): New function split out from
do_jump_parts_equality. Old implementation renamed as above.
Call do_jump_parts_zero_rtx if either operand is zero.
(do_jump_parts_equality): Call do_jump_parts_equality_rtx to
do all of the heavy lifting.
(do_compare_rtx_and_jump): Handle multi-word comparisons by
calling either do_jump_by_parts_greater_rtx or
do_jump_by_parts_equality_rtx.
* expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
* expmed.c (do_cmp_and_jump): Now multi-word optimization has
moved to do_compare_rtx_and_jump, call it directly.
* stmt.c (do_jump_if_equal): Remove static prototype. Add a
mode argument. Call do_compare_rtx_and_jump.
(emit_case_nodes): Update calls to do_jump_if_equal.
2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/26225
* loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/26232
* loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2006-02-11 Jason Merrill <jason@redhat.com>
PR tree-opt/24365
* tree-inline.c (declare_return_variable): Just don't use the
modify target if it's a gimple complex reg and the return slot
isn't.
2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* doc/contrib.texi: Update my entry.
2006-02-10 Geoffrey Keating <geoffk@apple.com>
* config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2006-02-10 Diego Novillo <dnovillo@redhat.com>
* tree-inline.c (estimate_num_insns_1): Make OpenMP directives
expensive.
2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
* doc/invoke.texi (-floop-optimize2): Removed.
* toplev.c (process_options): Remove handling of flag_loop_optimize2.
* loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
Test flag_branch_on_count_reg only if HAVE_doloop_end.
* common.opt (floop-optimize2): Removed.
(fmove-loop-invariants): Enabled by default.
2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
* tree-if-conv.c (combine_blocks): Free the result of
get_loop_exit_edges.
2006-02-10 Jeff Law <law@redhat.com>
* fold-const.c (tree_expr_nonzero_p): Fix thinko.
PR tree-optimization/26213
* tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
loop trying to follow SSA_NAME_VALUE chains.
2006-02-10 Richard Guenther <rguenther@suse.de>
* tree-dfa.c (get_ref_base_and_extent): When computing maxsize
deal with structures that end in implicitly variable sized arrays.
2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/24762
* df-scan.c (df_bb_refs_record): Record correct registers defined on
eh edges.
2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
(struct ivopts_data): Add regs_used field.
(tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
(ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
instead of loop_data->regs_used;
(free_loop_data): Do not free aux fields for loops.
(tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
and tree_ssa_iv_optimize_finalize.
2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
PR target/26141
* sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
computing the effective result type.
2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
PR inline-asm/16194
* tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
(tree_overlaps_hard_reg_set): Declare.
* stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
type and signature to match function type expected by walk_tree.
(tree_overlaps_hard_reg_set): New function.
(decl_conflicts_with_clobbers_p): Rename to:
(tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
Use tree_overlaps_hard_reg_set. Changed caller.
* doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
* cris.c (cris_md_asm_clobbers): Likewise.
2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
* reload1.c (emit_input_reload_insns): Delete code that tries to
inherit using find_equiv_reg.
2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
* c-common.h (flag_const_strings): Don't declare.
* c-common.c (flag_const_strings): Remove.
* c.opt (fconst_strings): Remove.
* c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
<OPT_Wwrite_strings>: Don't set flag_const_strings.
(c_common_init_options): Don't set flag_const_strings.
* doc/invoke.texi (-fno-const-strings): Remove documentation.
2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
* arm.md (tlobits_cbranch): New pattern.
* arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
testing a single bit.
2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/26179
* tree-ssa-pre.c (create_component_ref_by_pieces):
Handle RETURN_DECL like VAR_DECL.
2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/26134
* fold-const.c (fold_indirect_ref_1): Fold
"*(foo *)&complexfoo" to "__real__ complexfoo"
and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
* tree-flow-inline.h (var_can_have_subvars):
Volatile variables should not have subvariables.
2006-02-09 Diego Novillo <dnovillo@redhat.com>
PR 26180
* tree-vrp.c (vrp_int_const_binop): Detect overflow when
multiplying unsigned values.
Tidy comments.
2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
* config/sparc/sparc.c (tls_call_delay): Fix oversight.
2006-02-08 Jason Merrill <jason@redhat.com>
PR c++/25979
* tree.def: Elaborate on difference from MODIFY_EXPR.
* doc/c-tree.texi (INIT_EXPR): Likewise.
* gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
(gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
(gimplify_target_expr): Likewise.
(gimplify_cond_expr): Remove target handling.
(gimplify_modify_expr): Don't clobber INIT_EXPR code here.
(gimplify_expr): Clobber it here.
(gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
Do return slot optimization if we have an INIT_EXPR.
PR tree-opt/24365
* tree-inline.c (declare_return_variable): Also clear
DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
PR c++/16405
* gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
PR middle-end/22439
* gimplify.c (gimplify_one_sizepos): Fix typo.
2006-02-08 Jeff Law <law@redhat.com>
PR tree-optimization/21417
* tree-ssa-threadedge.c (thread_across_edge): Reject threading
across a backedge if the control statement at the end of the
block is data dependent on other statements in the same block.
(record_temporary_equivalences_from_stmts): Remove over-conservative
test for threading across backedges.
* tree-ssa-dce.c (remove_dead_statement): When removing a dead
control statement, handle all three special cases in the same
manner as they all have the same desired solution. No longer
special case edge flag updating when the post dominator is
the exit block.
2006-02-08 Roger Sayle <roger@eyesopen.com>
* tree.def (CHAR_TYPE): Remove.
* dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
* dwarf2out.c (base_type_die, is_base_type): Likewise.
(gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
(gen_string_type_die): Delete unreachable function.
* tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
* tree.c (build_int_cst_wide, type_contains_placeholder_1,
type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
* tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
* builtins.c (type_to_class): Likewise.
* fold-const.c (fold_convert, build_range_check,
merge_ranges): Likewise.
* expr.c (count_type_elements): Likewise.
* c-pretty-print.c (pp_c_type_specifier): Likewise.
* stor-layout.c (layout_type): Likewise.
* ipa-type-escape.c (type_to_consider): Likewise.
* gimplify.c (omp_firstprivatize_type_sizes,
gimplify_type_sizes): Likewise.
* explow.c (promote_mode): Likewise.
* tree-sra.c (is_sra_scalar_type): Likewise.
* varasm.c (output_constant): Likewise.
* tree-inline.c (remap_type_1): Likewise.
* convert.c (convert_to_pointer, convert_to_real,
convert_to_integer, convert_to_complex): Likewise.
2006-02-08 Daniel Berlin <dberlin@dberlin.org>
* df-scan.c (df_def_record_1): A set destination may
be a parallel regardless of mode.
2006-02-08 Roger Sayle <roger@eyesopen.com>
PR target/22209
* config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
* config/mips/_tilib.c: Remove.
* config/fixtfdi.c: New libgcc source file.
* config/fixunstfdi.c: New source file.
* config/floatditf.c: New source file.
* config/floatunditf.c: New souce file.
* config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
files above instead of config/mips/_tilib.c.
* config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2006-02-08 Jeff Law <law@redhat.com>
PR tree-optimization/26169
* tree-vrp.c (execute_vrp): Perform any queued SSA updates before
threading jumps.
2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
* df.h (DF_REG_SIZE): Return the length of the initialized
part of the array.
2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
* config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
__muldf3): Return a correctly signed zero.
2006-02-08 Paolo Bonzini <bonzini@gnu.org>
* passes.c (register_one_dump_file): Accept the current properties
instead of pass number. Adjust call to dump_register. Remove
duplicated code.
(register_dump_files): Now a wrapper around...
(register_dump_files_1): ... this one. Do not modify the pass
structure.
(next_pass_1): Cosmetic fix.
(execute_todo): Keep second parameter only. Use curr_properties
instead of fetching it from the pass structure. Check and set
last_verified.
(execute_one_pass): Handle TODO_set_props. Use curr_properties
instead of fetching it from the pass structure. Fix calls to
execute_todo. Update curr_properties and initialize .vcg RTL dump
after running the pass. Reset last_verified.
* tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
at the beginning.
(FIRST_AUTO_NUMBERED_DUMP): New.
(dump_register): Remove "num" parameter, assign it within the
function.
(get_dump_file_name): Modify template for dumps.
* tree-dump.h (dump_register): Adjust prototype.
* tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
(PROP_trees): Add PROP_gimple_lomp.
(TODO_set_props): New.
* gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
* tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
* cfgexpand.c (pass_expand): Destroy PROP_trees.
2006-02-08 Jakub Jelinek <jakub@redhat.com>
* config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
(sparc64-*-linux*): Likewise.
* config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
* config/sparc/t-linux: New file.
* config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
__floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
(__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
-m32 -mlong-double-128.
* config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
* config/alpha/t-linux: New file.
* config/alpha/libgcc-alpha-ldbl.ver: New file.
* config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
__LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
(CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
* config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
__LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
(CPP_ARCH32_SPEC): Remove.
2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
PR tree-optimization/26145
* tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
bbs pointer.
2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR target/26109
* pa.c (attr_length_indirect_call): Don't return length 8 for distances
>= 240000 when generating code for SOM runtime.
(output_indirect_call): Don't use "b,l" instruction for indirect calls
to $$dyncall when generating code for SOM runtime..
2006-02-07 Dirk Mueller <dmueller@suse.com>
PR c++/18150
* doc/invoke.texi (-Wsequence-point): Update documentation
that -Wsequence-point is implemented for C++ as well.
2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
* config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
* config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
(LIB_SPEC): Likewise.
* doc/invoke.texi (SPARC options): Document -pthread.
2006-02-07 Geoffrey Keating <geoffk@apple.com>
* config/i386/i386.c (ix86_delegitimize_address): Support Darwin
PIC addresses.
2006-02-07 Roger Sayle <roger@eyesopen.com>
* config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
Correct comment describing BOOLEAN_TYPE.
2006-02-07 Dirk Mueller <dmueller@suse.com>
* c.opt: C++ frontend supports -Wdiv-by-zero.
* c-opts.c (c_common_handle_option): Remove dead case.
2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
* configure.ac (TLS assembler check): Do not enable TLS by
default on SPARC/Solaris before version 10.
* configure: Regenerate.
2006-02-07 David Edelsohn <edelsohn@gnu.org>
* doc/invoke.texi (xl-compat): Document conversion and support
routine names.
2006-02-07 Jeff Law <law@redhat.com>
* tree-vrp.c (find_conditional_asserts): Update comments.
(simplify_stmt_for_jump_threading): New.
(identify_jump_threads, finalize_jump_threads): New.
(vrp_finalize): Call identify_jump_threads.
(execute_vrp): Call finalize_jump_threads.
* tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
(vrp_element, vrp_data, vrp_element_p): Remove.
(vrp_hash_elt, vrp_variables_stack): Remove.
(vrp_hash, vrp_eq, record_range): Remove.
(simplify_cond_and_lookup_avail_expr): Remove.
(extract_range_from_cond): Remove.
(thread_across_edge): Relocated into tree-ssa-threadedge.c.
(simplify_stmt_for_jump_threading): New.
(dom_thread_across_edge): New wrapper.
(tree_ssa_dominator_optimize): No longer initialize or
finalize any of the VRP datastructures. Remove iteration
step and simplify as a result of removal of iteration step.
(pass_dominator): Perform a cfg cleanup after DOM.
(dom_opt_finalize_block): Use the new common routines
for threading jumps. Simplify stack management slightly.
No longer need to unwind VRP state.
(record_equivalences_from_incoming_edge): No longer record
VRP information.
(eliminate_redundant_computations): No longer call
simplify_cond_and_lookup_avail_expr.
* tree-flow.h (potentially_threadable_block): Prototype.
(thread_across_edge): Likewise.
* Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
(tree-ssa-threadedge.o): Add dependencies.
* tree-ssa-threadedge.c: New file.
* passes.c (init_optimization_passes): Merge PHIs before
calling VRP. Run VRP again late in the SSA optimization pipeline.
2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
* df-core.c (df_set_blocks): Do not dereference function pointers.
(df_finish1): Likewise.
(df_hybrid_search_forward): Likewise.
(df_hybrid_search_backward): Likewise.
(df_iterative_dataflow): Likewise.
(df_analyze_problem): Likewise.
(df_compact_blocks): Likewise.
(df_dump): Likewise.
* df-scan.c (df_rescan_blocks): Likewise.
(df_record_entry_block_defs): Likewise.
* genconditions.c (write_conditions): Guard the definition of
'insn_conditions' with the check on GCC version.
(write_writer): Guard the traversal 'insn_conditions' with
the check on GCC version.
2006-02-07 Richard Guenther <rguenther@suse.de>
PR c++/26140
Revert
2006-01-30 Richard Guenther <rguenther@suse.de>
PR c++/23372
* gimplify.c (gimplify_target_expr): Handle easy cases
without creating a temporary.
2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
* sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
use of float in probability computations. Use edge probabilities
in place of statically computed probabilities.
(min_spec_prob): New static variable.
(schedule_insns): Initialize it.
(GET_SRC_PROB): Removed.
* doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2006-02-07 Alexandre Oliva <aoliva@redhat.com>
PR debug/24444
* config/ia64/unwind-ia64.c: Revert last change.
* config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
(INCOMING_FRAME_SP_OFFSET): Define.
2006-02-06 Roger Sayle <roger@eyesopen.com>
* config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2006-02-07 Ben Elliston <bje@au.ibm.com>
* config/i386/i386.c (ix86_scalar_mode_supported_p): New.
(TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
(classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
(ix86_return_in_memory): Handle TDmode.
(ix86_libcall_value): Handle SDmode, DDmode, TDmode.
(ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2006-02-06 Richard Sandiford <richard@codesourcery.com>
* reorg.c (dbr_schedule): Use dump_file instead of file.
2006-02-06 Steve Ellcey <sje@cup.hp.com>
PR target/25917
* config/ia64/predicates.md (extr_len_operand): New predicate.
* config/ia64/ia64.md (extv): Tighten constraints.
(extzv): Ditto.
(*tbit_and_2): Ditto.
(*tbit_and_3): Ditto.
(*tbit_or_2): Ditto.
(*tbit_or_3): Ditto.
(*bit_zero): Ditto.
(*bit_one): Ditto.
2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
PR target/23359
* config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
* tree-vrp.c (execute_vrp): Do not pass dump argument to.
loop_optimizer_init and loop_optimizer_finalize
* tree-ssa-sink.c (execute_sink_code): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
tree_ssa_loop_done): Ditto.
* tree-ssa-pre.c (init_pre, fini_pre): Ditto.
* sched-ebb.c: Include output.h.
(schedule_ebbs): Do not use dump argument.
* value-prof.h (struct profile_hooks): Remove profile_dump_file.
* loop.c (loop_dump_stream): Removed.
(loop_optimize, rest_of_handle_loop_optimize): Do not use dump
argument.
(scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
loop_iterations, strength_reduce, record_biv, record_giv,
final_giv_value, check_final_value, check_ext_dependent_givs,
combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
dump_file instead of loop_dump_stream.
* ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
argument dump_file.
* reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
dump argument.
* flow.c (life_analysis, rest_of_handle_life): Ditto.
* haifa-sched.c: Include output.h
(schedule_insns, sched_init): Do not use dump argument.
* mode-switching.c (optimize_mode_switching): Ditto.
* modulo-sched.c (stats_file): Removed.
(print_node_sched_params): Do not call argument dump_file.
(sms_schedule_by_order, loop_canon_p, sms_schedule,
rest_of_handle_sms): Do not use dump argument. Use dump_file instead
of stats_file.
* cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
use dump argument.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
rtl_loop_init, rtl_loop_done): Ditto.
* global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
* predict.c (combine_predictions_for_bb, tree_estimate_probability):
Ditto.
* recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
* lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
* regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
* emit-rtl.c (renumber_insns): Ditto.
* cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
expand_gimple_basic_block, tree_expand_cfg): Ditto.
* regclass.c (regclass): Ditto.
* tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
remove_ssa_form, rewrite_out_of_ssa): Ditto.
* reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
Ditto.
* sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
* local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
to regclass.
* gcse.c (gcse_file, debug_stderr): Removed.
(gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
rest_of_handle_gcse): Do not use dump argument.
(cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
compute_code_hoist_vbeinout, compute_code_hoist_data,
one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
compute_store_table, build_store_vectors, insert_insn_start_bb,
insert_store, remove_reachable_equiv_notes, replace_store_insn,
store_motion): Use dump_file instead of gcse_file.
* ipa-type-escape.c (type_escape_execute): Remove debugging comments.
* profile.c (profile_dump_file): Removed.
(branch_prob): Use dump_file instead of profile_dump_file.
* ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
dump_file.
* tree-ssa-copy.c (dump_copy_of): Ditto.
* rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
dump file to life_analysis.
* bt-load.c (branch_target_load_optimize): Ditto.
* cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
renumber_insns.
* rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
regclass, dbr_schedule): Declaration changed.
* sched-int.h (sched_init): Declaration changed.
* tree-profile.c (tree_profile_dump_file): Removed.
(tree_profile_hooks): Removed profile_dump_file hook.
* rtl-profile (rtl_profile_dump_file): Removed.
(rtl_profile_hooks): emoved profile_dump_file hook.
* cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
changed.
* c-gimplify.c (c_genericize): Do not call local variable dump_file.
* tree-cfg.c (build_tree_cfg): Ditto.
* Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
* basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
Declaration changed.
* config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
life_analysis and schedule_insns.
* config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
life_analysis.
* config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
dbr_schedule.
* config/mips/mips.c (mips_reorg): Ditto.
* config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
schedule_ebbs.
2006-02-06 Aldy Hernandez <aldyh@redhat.com>
* config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
(s390_mangle_fundamental_type): New.
* config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
Define.
* config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
(alpha_mangle_fundamental_type): New.
* config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
Define.
* config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
Define.
* config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
Define.
* config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
(sparc_mangle_fundamental_type): New.
2006-02-06 Jakub Jelinek <jakub@redhat.com>
* config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
(s390x-*-linux*): Likewise.
* config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
* config/s390/t-linux: New file.
2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
* config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2006-02-06 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
(ANTIC_SAFE_LOADS): New macro.
(find_or_generate_expression): Add prototype.
(set_contains_value): Allow null set for sake of not always having
to allocate ANTIC_SAFE_LOADS.
(phi_translate): Move placement of AGGREGATE_TYPE_P check.
Allow COMPONENT_REF too.
(valid_in_set): Allow COMPONENT_REF.
Check ANTIC_SAFE_LOADS too.
(compute_antic_aux): Print out ANTIC_SAFE_LOADS.
(compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
rename.
(can_PRE_operation): Add COMPONENT_REF.
(create_component_ref_by_pieces): New function.
(create_expression_by_pieces): Use create_component_ref_by_pieces.
(insert_aux): Move AGGREGATE_TYPE_P check here.
(compute_avail): Set bb local stmt uids.
(pass_pre): Use TODO_update_ssa_only_virtuals.
2006-02-06 Ben Elliston <bje@au.ibm.com>
* configure.ac: Unconditionally disable decimal float by default.
* configure: Regenerate.
2006-02-06 Ben Elliston <bje@au.ibm.com>
* read-rtl.c (read_name): Terminate reading on EOF.
2006-02-06 Ben Elliston <bje@au.ibm.com>
* dfp.c (decimal_real_arithmetic): Change second argument type
from int to enum tree_code. Do not always return true, but now
return result of any call to decimal_do helper functions.
* dfp.h (decimal_real_arithmetic): Update prototype.
2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
* config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/25251
* tree-cfg.c (cleanup_dead_labels): Also don't remove
forced labels.
2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
* tree-vrp.c (cfg_loops): Removed.
(adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
Use current_loops instead of cfg_loops. Pass flags to
loop_optimizer_init.
* cfgloopmanip.c (fix_loop_structure): Update only available
information.
* tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
loop_optimizer_init.
* modulo-sched.c (build_loops_structure): Removed.
(sms_schedule): Use loop_optimizer_init.
* loop-init.c (loop_optimizer_init): Use flags to determine
which properties of loops to prepare.
(rtl_loop_init): Pass flags to loop_optimizer_init.
* tree-ssa-sink.c (execute_sink_code): Ditto.
* tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
* tree-ssa-pre.c (init_pre): Ditto.
* cfgloop.h (LOOPS_NORMAL): New.
(loop_optimizer_init): Declaration changed.
2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
* config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
pa/t-pa.
* config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
pa/t-pa.
* config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
pa/x-ada.
* pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
* pa/t-pa64: Delete quadlib.c rule.
* pa/x-ada: Revert last change.
* pa/t-pa: Revert last change. Delete quadlib.c rule.
2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
PR rtl-optimization/26087
* rtlanal.c (canonicalize_condition): Do not cross basic block
boundaries.
2006-02-04 Alexandre Oliva <aoliva@redhat.com>
PR debug/24444
* config/ia64/ia64.c: Include debug.h.
(MAX_ARTIFICIAL_LABEL_BYTES): New.
(ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
(IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
(process_epilogue, process_set, process_for_unwind_directive):
Output unwind info only if requested. Add CFA info if requested.
Add new arguments as needed. Adjust callers.
* config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
incorrect default.
(DWARF2_FRAME_INFO): Define to zero.
* config/ia64/unwind-ia64.c: Remove code that compensated for
the CFA offset error fixed above.
* config/ia64/t-ia64 (ia64.o): Depend on debug.h.
* dwarf2out.c (DWARF2_FRAME_INFO): Define default.
(dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
-funwind-tables and -fexceptions to enable frame info.
(dwarf2out_frame_init): Define initial CFA even if
DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
DWARF2_UNWIND_INFO is nonzero, not just defined.
(dwarf2out_frame_finish): Output non-EH call frame info only
if DWARF2_FRAME_INFO is nonzero.
(convert_cfa_to_loc_list,
compute_frame_pointer_to_cfa_displacement): Define even if
unwind info is not supported.
(gen_subprogram_die): Use the above unconditionally. Remove
legacy alternate code.
* toplev.c (compile_file): Compile in call to
dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
(lang_dependent_init): Ditto for dwarf2out_frame_init.
2006-02-04 David Edelsohn <edelsohn@gnu.org>
Jakub Jelinek <jakub@redhat.com>
* config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
IBM extended float format long double as "g" on powerpc*-linux.
2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR target/25926
* pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
* pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2006-02-03 Jason Merrill <jason@redhat.com>
PR c++/25979
* gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
PR middle-end/25977
* gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
on the return slot if it's an NRV.
2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
(dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
rewrite_use): Do not handle USE_OUTER.
(find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
add_iv_outer_candidates, may_replace_final_value,
determine_use_iv_cost_outer, rewrite_use_outer): Removed.
(find_interesting_uses_op): Functionality of
find_interesting_uses_outer_or_nonlin moved here.
(find_interesting_uses_outside): Use find_interesting_uses_op.
2006-02-03 Alan Modra <amodra@bigpond.net.au>
PR target/25960
* config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
Ulrich Weigand <uweigand@de.ibm.com>
PR target/25864
* config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
"x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
* config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
* config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
and dxr fields.
(z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
(s390_rtx_costs): Use the new fields to calculate rtx costs.
(s390_secondary_input_reload_class, s390_secondary_output_reload_class):
Define secondary reloads for TFmode moves.
(constant_modes): Add TFmode.
(NR_C_MODES): Set to 8.
* config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
builtin define.
(LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
(LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
(HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
* config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
(FPR mode macro): Add TFmode.
(DSF mode macro): New.
(<de>, <dee> mode attributes): Removed.
(<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
"*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
"floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
"*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
"*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
"*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
"*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
"*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
"*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
"*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
"*negabs<mode>2", "sqrt<mode>2"):
Changed <de> to <xde>. R constraint replaced by <Rf>.
("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
<Rf>.
("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
("*movtf_64", "*movtf_31"): New insn definitions followed by 5
splitters.
("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
"extenddftf2", "extendsftf2"): New expanders.
("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
"*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
"*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
* config/s390/s390.opt (mlong-double-128, mlong-double-64):
New options.
* config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
* config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
__fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
__floatditf): Add a GCC_4.1.0 symbol version tag.
* doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
the new options.
2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
PR target/25377
* config/i386/i386.c (ix86_function_ok_for_sibcall):
Use targetm.binds_local_p instead of TREE_PUBLIC.
2006-02-02 Roger Sayle <roger@eyesopen.com>
* tree.h (TYPE_STRING_FLAG): Document that this field may be used
on INTEGER_TYPEs to indicate that it denotes a character type.
* tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
signed_char_type_node, unsigned_char_type_node and char_type_node.
* dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
Daniel Berlin <dberlin@dberlin.org>
* tree-tailcall.c (arg_needs_copy_p): New function.
(eliminate_tail_call): Use arg_needs_copy_p.
(tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
(add_virtual_phis): New function.
2006-02-02 Jakub Jelinek <jakub@redhat.com>
* config/sparc/sparc.c (sparc_output_scratch_registers): Use
#ignore instead of #scratch for %g7 .register directive.
2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
* config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
object files.
2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
* flow.c (calculate_global_regs_live): Assert that there aren't any
EDGE_FAKE edges.
2006-02-02 Paolo Bonzini <bonzini@gnu.org>
* tree-flow-inline.h (bsi_after_labels): Rewrite, return
what its name says.
* lambda-code.c (perfect_nestify): Use bsi_insert_before on
bsi_after_labels iterator.
* tree-if-conv.c (find_phi_replacement_condition,
replace_phi_with_cond_modify_expr): Likewise.
* tree-scalar-evolution.c (scev_const_prop): Likewise.
* tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2006-02-02 Diego Novillo <dnovillo@redhat.com>
* tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2006-02-02 Diego Novillo <dnovillo@redhat.com>
PR 25990
* tree-cfg.c (move_block_to_fn): Clear out the basic block
array after growing it.
2006-02-01 Steve Ellcey <sje@cup.hp.com>
PR middle-end/24901
* fold-const.c (fold_checksum_tree): Change type of buf.
2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
* reload.c (push_secondary_reload): Initialize t_icode.
2006-02-01 Jakub Jelinek <jakub@redhat.com>
* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
-msoft-float -mlong-double-128 only issue a warning, but don't
swich to DFmode long double.
2006-02-01 Hans-Peter Nilsson <hp@axis.com>
* cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
has a constant equivalent, iterate over equivalents for arg0,
calling simplify_relational_operation and if there's a result
cheaper than X, apply fold_rtx and return the result.
2006-02-01 Jan Hubicka <jh@suse.cz>
* opts.c (no_unit_at_a_time_default): New global variable.
(decode_options): Use it.
* opts.h (no_unit_at_a_time_default): Declare.
2006-02-01 Paul Brook <paul@codesourcery.com>
* function.c (assign_parm_setup_reg): Use function argument promotion
rules.
* expr.c (expand_expr_real_1): Use function argument promotion rules
for PARM_DECLs.
2006-02-01 Steve Ellcey <sje@cup.hp.com>
* gcc.c (process_command): Change j to 'unsigned int'.
2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/26001
* expr.c (expand_expr_real_1) <case ARRAY_REF>:
Use the corrected index for the character
out of the string constant.
2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
* mode-switching.c (optimize_mode_switching): Fix size
allocated for bb_info[n_entities].
2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
* gcc.c (main): Correct type that is allocated for
explicit_link_files.
2006-01-31 Jakub Jelinek <jakub@redhat.com>
* config/s390/s390.c (init_alignment_context): Set
ALIAS_SET_MEMORY_BARRIER on the MEM.
* config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
PR middle-end/25933
* loop-unroll.c (unroll_loop_runtime_iterations): Free
dom_bbs pointer.
* tree-ssa-live.c (type_var_init): Allocate bitmap after
call to tpa_init.
2006-01-31 Marcin Dalecki <martin@dalecki.de>
* tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
* regrename.c: Ditto.
* tree-ssa-loop-im.c: Ditto.
* tree-dump.c: Ditto.
* tree-complex.c: Ditto.
* genrecog.c: Ditto.
* tree-ssa-threadupdate.c: Ditto.
* tracer.c: Ditto.
* java/class.c: Ditto.
* java/jcf-parse.c: Ditto.
* java/resource.c: Ditto.
* java/except.c: Ditto.
* java/jvspec.c: Ditto.
* java/jcf-write.c: Ditto.
* java/jcf-path.c: Ditto.
* java/gjavah.c: Ditto.
* java/zextract.c: Ditto.
* java/jcf-io.c: Ditto.
* java/jcf.h: Ditto.
* java/buffer.c: Ditto.
* java/lang.c: Ditto.
* java/parse-scan.y: Ditto.
* java/lex.c: Ditto.
* java/lex.h: Ditto.
* cfgloopmanip.c: Ditto.
* postreload-gcse.c: Ditto.
* tree-ssa-loop-manip.c: Ditto.
* postreload.c: Ditto.
* tree-ssa-loop-ch.c: Ditto.
* loop.c: Ditto.
* ipa-cp.c: Ditto.
* cppspec.c: Ditto.
* diagnostic.c: Ditto.
* final.c: Ditto.
* genoutput.c: Ditto.
* gcc.c: Ditto.
* cfghooks.c: Ditto.
* cfgloopanal.c: Ditto.
* objc/objc-act.c: Ditto.
* gcov.c: Ditto.
* genextract.c: Ditto.
* genautomata.c: Ditto.
* pretty-print.c: Ditto.
* genemit.c: Ditto.
* cgraphunit.c: Ditto.
* flow.c: Ditto.
* df-scan.c: Ditto.
* haifa-sched.c: Ditto.
* dominance.c: Ditto.
* dbxout.c: Ditto.
* tree-ssa-loop-ivopts.c: Ditto.
* df-core.c: Ditto.
* mode-switching.c: Ditto.
* modulo-sched.c: Ditto.
* graph.c: Ditto.
* ipa-pure-const.c: Ditto.
* cse.c: Ditto.
* fix-header.c: Ditto.
* web.c: Ditto.
* tree-stdarg.c: Ditto.
* ipa-utils.c: Ditto.
* loop-init.c: Ditto.
* ipa-inline.c: Ditto.
* cfganal.c: Ditto.
* global.c: Ditto.
* alloc-pool.c: Ditto.
* dwarf2out.c: Ditto.
* opts.c: Ditto.
* genattrtab.c: Ditto.
* tree-ssa-loop-ivcanon.c: Ditto.
* predict.c: Ditto.
* timevar.c: Ditto.
* lcm.c: Ditto.
* fortran/gfortranspec.c: Ditto.
* regmove.c: Ditto.
* local-alloc.c: Ditto.
* langhooks.c: Ditto.
* function.c: Ditto.
* tree-vectorizer.c: Ditto.
* gcse.c: Ditto.
* ipa-type-escape.c: Ditto.
* alias.c: Ditto.
* tree-if-conv.c: Ditto.
* profile.c: Ditto.
* ipa.c: Ditto.
* tree-data-ref.c: Ditto.
* loop-unroll.c: Ditto.
* treelang/treetree.c: Ditto.
* calls.c: Ditto.
* bt-load.c: Ditto.
* ggc-common.c: Ditto.
* except.c: Ditto.
* coverage.c: Ditto.
* cselib.c: Ditto.
* tree-cfgcleanup.c: Ditto.
* tree-ssa-pre.c: Ditto.
* cfgcleanup.c: Ditto.
* loop-invariant.c: Ditto.
* loop-iv.c: Ditto.
* ipa-prop.c: Ditto.
* print-tree.c: Ditto.
* conflict.c: Ditto.
* ggc-page.c: Ditto.
* sched-deps.c: Ditto.
* regclass.c: Ditto.
* tree-object-size.c: Ditto.
* combine.c: Ditto.
* bb-reorder.c: Ditto.
* resource.c: Ditto.
* var-tracking.c: Ditto.
* cfgloop.c: Ditto.
* df-problems.c: Ditto.
* reg-stack.c: Ditto.
* tlink.c: Ditto.
* gccspec.c: Ditto.
* sched-rgn.c: Ditto.
* tree-ssa-structalias.c: Ditto.
* tree-ssa-reassoc.c: Ditto.
* config/darwin-c.c: Ditto.
* config/darwin.c: Ditto.
* config/arm/arm.c: Ditto.
* cfgrtl.c: Ditto.
* collect2.c: Ditto.
* reload1.c: Ditto.
2006-01-31 Nicolas Pitre <nico@cam.org>
* arm.md (smaxsi3): Make aware of smax_m1.
(smax_m1): New.
2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
* config/m68k/lb1sf68.asm: Use moveq to load small constants.
2006-01-31 Richard Guenther <rguenther@suse.de>
* doc/invoke.texi (-msselibm): Document.
* target.h (expand_library_builtin): New target hook.
* builtins.c (expand_builtin): Use expand_library_builtin.
(default_expand_library_builtin): New function.
* gcc.c (LINK_GCC_MATH_SPEC): Define.
(LINK_COMMAND_SPEC): Handle %(link_gcc_math).
(link_gcc_math_spec): Declare.
(static_specs): Add link_gcc_math_spec.
* expr.h (default_expand_library_builtin): Declare.
* target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
(TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
* config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
* config/i386/i386.opt (msselibm): New target option.
* config/i386/i386.c (ix86_builtin_function_variants): New array.
(ix86_init_sse_abi_builtins): New function.
(ix86_expand_library_builtin): Likewise.
(TARGET_EXPAND_LIBRARY_BUILTIN): Define.
(override_options): Handle error conditions wrt -msselibm.
(ix86_builtins): Add function codes for SSE2 ABI builtins.
(ix86_init_builtins): Call ix86_init_sse_abi_builtins.
* doc/extend.texi (__builtin_sse2_*): Document new target specific
builtins.
2006-01-31 Richard Guenther <rguenther@suse.de>
Paolo Bonzini <bonzini@gnu.org>
* doc/install.texi (--disable-libgcc-math): Document.
2006-01-30 Marcin Dalecki <martin@dalecki.de>
* expr.h (expand_normal): new inline function.
* builtins.c: use it, use EXPAND_NORMAL explicitely.
* dojump.c: use it.
* dwarf2out.c: use it.
* expr.c: use it.
* calls.c: use it.
* expmed.c: use it.
* except.c: use it.
* config/sparc/sparc.c: use it.
* config/i386/i386.c: use it.
* config/rs6000/rs6000.c: use it.
* config/arm/arm.c: use it.
* config/mips/mips.c: use it.
* stmt.c: use it, use EXPAND_NORMAL explicitely.
2006-01-30 Roger Sayle <roger@eyesopen.com>
* config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
argv to the appropriate type.
2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
unreachable code.
2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
PR target/26018
* config/s390/s390.c (struct machine_function): New flag
decomposed_literal_pool_addresses_ok_p.
(s390_reorg): Set it before final stage of literal pool transforms.
(s390_decompose_address): Only accept displacements of the form
(minus (label_ref ...) (label_ref ...)) if that flag is set.
2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
* optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
the comparison routine return.
2006-01-30 Michael Matz <matz@suse.de>
* global.c (find_reg): Only evict for global regs.
Take n_refs into account and dump more info.
2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
PR target/14798:
* sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
(pragma_trap, pragma_nosave_low_regs): Likewise.
(current_function_anonymous_args): Likewise.
(sh_deferred_function_attributes): New variable.
(sh_deferred_function_attributes_tail): Likewise.
(print_operand): For '@', look up trap_exit attribute.
(calc_live_regs): Look up trapa_handler attribute. For trapa
handlers, save/restore fpscr, but don't do any other
interrupt-specific saves.
Don't save r0..r7 if the nosave_low_regs attribute is in effect.
Fix check for partially saved registers to check for SHmedia.
(sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
(sh_output_function_epilogue): Don't clear any of the removed
variables.
(sh_insert_attributes): Don't check pragma_interrupt.
Insert deferred attributes. Check that interrupt attribute is
present for other attributes that require its presence.
(sh_attribute_table): Add new attributes trapa_handler and
nosave_low_regs.
(sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
Don't check for pragma_interrupt. Don't store argument.
* sh.h (pragma_interrupt, sp_switch): Don't declare.
(sh_deferred_function_attributes): Declare.
(sh_deferred_function_attributes_tail): Likewise.
* sh.md (sp_switch_1): Add operand. Change generator caller.
(sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
(*return_i): Don't use when trap_exit attribute is in effect.
(*return_trapa): New insn pattern.
* sh-c.c: New file.
* config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
setting c_target_objs and cxx_target_objs.
* t-sh: Add rule for sh-c.o.
2006-01-30 Richard Guenther <rguenther@suse.de>
PR c++/23372
* gimplify.c (gimplify_target_expr): Handle easy cases
without creating a temporary.
2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
* vec.h (safe_grow): Remove duplicated line.
2006-01-29 Diego Novillo <dnovillo@redhat.com>
PR 25874
* omp-low.c (execute_expand_omp): Move CFG cleanup code ...
(expand_omp): ... here.
(expand_omp_parallel): Only remove barriers for combined
parallel+workshare constructs.
2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
Revert
2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
* tree.c (build_qualified_type): Chain the new type to the original
type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
a POINTER_TYPE or a REFERENCE_TYPE respectively.
(build_pointer_type_for_mode): Only return unqualified types.
(build_reference_type_for_mode): Likewise.
2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
* configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
* Makefile.in (CXX_COMPAT_WARN): Define.
* configure: Regenerate.
2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
PR tree-opt/25911
* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
to an if check.
2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
* toplev.c: Fix thinko.
2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
Marcin Dalecki <martin@dalecki.de>
* toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
(push_srcloc): Use XNEW.
(init_asm_output, default_get_pch_validity): Use XNEWVEC.
2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
* df-core.c (df_set_blocks): Deleted all variable.
2006-01-28 Ian Lance Taylor <ian@airs.com>
* cgraphunit.c (cgraph_assemble_pending_functions): Call
cgraph_output_pending_asms.
2006-01-28 Zack Weinberg <zackw@panix.com>
* c.opt: Add -W(no-)overlength-strings.
* doc/invoke.texi: Document it.
* c-opts.c (c_common_handle_option): -pedantic implies
-Woverlength-strings, if not explicitly disabled already.
(c_common_post_options): -Woverlength-strings defaults to off, and
is always off for C++.
* c-common.c (fix_string_type): Issue warning about strings longer
than is portable only if warn_overlength_strings. Rearrange code
a little for clarity.
* configure.in: Check for -Wno-overlength-strings as well before
enabling -pedantic in stage 1.
* Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
(gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
* genconditions.c (write_header, write_one_condition)
(write_conditions, write_writer): Consolidate very long strings
that were broken up to fit in C89 portable limit. Don't use
printf when fputs will do.
2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
* combine.c (simplify_comparison <AND>): Check
TRULY_NOOP_TRUNCATION before start using a subreg.
* config/mips/mips.md (*branch_zero<mode>,
*branch_zero<mode>_inverted, *branch_equality<mode>,
*branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
Remove mode check from comparisons.
2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
* config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2006-01-28 Kazu Hirata <kazu@codesourcery.com>
* expmed.c (const_mult_add_overflow_p): Remove.
* expr.h: Remove the prototype for const_mult_add_overflow_p.
* recog.c (validate_replace_rtx_subexp): Remove.
* recog.h: Remove the prototype for
validate_replace_rtx_subexp.
* integrate.h: Remove the prototype for
copy_decl_for_inlining.
* rtl.h: Remove the prototype for mark_constant_function.
* tree-vectorizer.h: Remove the prototype for
vect_strip_conversion.
* modulo-sched.c (create_partial_schedule,
free_partial_schedule, reset_partial_schedule): Make them
static.
* hooks.c (hook_bool_rtx_int_false): Remove.
* hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2006-01-28 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
and -mlong-double-128 are incompatible.
* config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
* config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
(TARGET_LIBGCC2_CFLAGS): Define.
* config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
(TARGET_LIBGCC2_CFLAGS): Same.
* config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2006-01-28 Kazu Hirata <kazu@codesourcery.com>
PR c/19606.
* c-typeck.c (build_binary_op): Perform implicit casts of
operands before shortening them.
* cfgloopmanip.c (split_loop_bb): Remove.
* cfgloop.h: Remove the prototype for split_loop_bb.
* cfgloop.c (flow_loop_outside_edge_p): Remove.
* cfgloop.h: Remove the prototype for
flow_loop_outside_edge_p.
* emit-rtl.c (init_virtual_regs): Make it static.
* function.h: Remove the prototype for init_virtual_regs.
* recog.c (peephole2_optimize): Make it static.
* recog.h: Remove the prototype for peephole2_optimize.
2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
* df-scan.c (df_record_entry_block_defs): Check if
INCOMING_RETURN_ADDR_RTX is defined.
2006-01-27 Daniel Berlin <dberlin@dberlin.org>
Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/24762
* doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
* targhooks.c (hook_void_bitmap): New hook prototype.
* targhoohs.h (hook_void_bitmap): Ditto.
* bitmap.h (bitmap_head_def): Moved to coretypes.h.
* coretypes.h (bitmap_head_def): Moved from bitmap.h.
* target.h (live_on_entry): New function pointer.
* df-scan.c (df_all_hard_regs): Removed.
(df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
(df_scan_free_internal): Added df->entry_block_defs.
(df_scan_alloc): Ditto.
(df_scan_dump): Ditto.
(df_uses_record): Plumbed flag field properly thru calls.
Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
This part fixes PR24762.
(df_bb_refs_record): Added code to make the frame and arg
pointers live in EH blocks.
(df_refs_record): Added call to df_record_entry_block_defs.
(df_record_entry_block_defs): New function.
* df-core.c: Added comments to describe new artifical defs.
* df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
(entry_block_defs): New field in struct df.
(df_all_hard_regs): Deleted.
* target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
* df-problems.c (df_ru_bb_local_compute_process_def):
Added code to handle artifical defs in the entry to a function.
(df_ru_bb_local_compute): Ditto.
(df_rd_bb_local_compute_process_def): Ditto.
(df_rd_bb_local_compute): Ditto.
(df_lr_bb_local_compute): Ditto.
(df_ur_bb_local_compute): Ditto.
(df_urec_bb_local_compute): Ditto.
(df_chain_create_bb): Ditto.
(df_ur_local_finalize): Removed entry.
(df_urec_init): Ditto.
(df_urec_local_finalize): Ditto.
(df_ri_bb_compute): Added detection of last use of pseudos.
* Makefile.in (df-scan.o): Updated dependencies.
* config/mips/mips-protos.h (mips_set_live_on_entry): Added.
* config/mips/mips.c (mips_set_live_on_entry): Added.
* config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
for target hook.
* dce.c (marked_insn_p): Added code to handle artifical defs.
2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
intrinsic.
(_mm_cvtsi128_si64): Likewise.
(_mm_cvtsd_si64): Likewise.
(_mm_cvttsd_si64): Likewise.
(_mm_cvtsi64_sd): Likewise.
(_mm_cvtsi64_si128): Likewise.
* config/i386/mmintrin.h (_m_from_int64): Likewise.
(_mm_cvtsi64_m64): Likewise.
(_m_to_int64): Likewise.
(_mm_cvtm64_si64): Likewise.
* config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
(_mm_cvttss_si64): Likewise.
(_mm_cvtsi64_ss): Likewise.
(_mm_cvtss_f32): Likewise.
2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
* c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
for pragma redefine_extname.
2006-01-27 Jakub Jelinek <jakub@redhat.com>
PR target/25864
* libgcc-std.ver: Add GCC_4.1.0 symbol version.
* config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
-mno-minimal-toc to previous content.
(bispecs): Remove goal.
* config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
* config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
compatibility aliases on powerpc-*-*gnu*.
* config/rs6000/libgcc-ppc-glibc.ver: New file.
* config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
(TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
(ldblspecs): New goal.
* config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
* mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
_df_to_tf.
* config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
L_sf_to_tf or L_df_to_tf is defined.
2006-01-27 David Edelsohn <edelsohn@gnu.org>
Alan Modra <amodra@bigpond.net.au>
PR target/25864
* config/rs6000/linux.h (POWERPC_LINUX): Define.
* config/rs6000/linux64.h (POWERPC_LINUX): Define.
* config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
* config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
* config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
* config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
(rs6000_override_options): Initialize rs6000_ieeequad.
Initialize TFmode format to ibm_extended_format if not
TARGET_IEEEQUAD.
(rs6000_handle_option): Accept -mabi= ibmlongdouble and
ieeelongdouble.
(rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
(rs6000_return_in_memory): Only return IEEEQUAD in memory.
(function_arg_advance): IBM long double passed in two FPRs, not
split.
(function_arg): IBM long double passed in FPRs.
(rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
(rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
Only multireg GPR aligned.
(rs6000_init_libfuncs): Enable IBM long double functions if not
IEEEQUAD.
(rs6000_generate_compare): Use IBM long double compare if not
TARGET_IEEEQUAD.
* config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
(TARGET_IEEEQUAD): Define.
(CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
not TARGET_IEEEQUAD.
* config/rs6000/rs6000.md: Enable TFmode patterns if
!TARGET_IEEEQUAD.
* config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
* config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
and -mlong-double-128 are incompatible.
* doc/invoke.texi (-mabi): Collect options together. Add
ibmlongdouble and ieeelongdouble.
2006-01-27 Richard Sandiford <richard@codesourcery.com>
* doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
opaque type.
* optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
* varasm.c (make_decl_rtl, build_constant_desc): Likewise.
(force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
* rtl.h (rtunion_def): Remove rt_ptr.
(X0PTR): Delete.
(SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
(SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
* config/i386/winnt.c (i386_pe_mark_dllexport)
(i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2006-01-27 Gabor Loki <loki@gcc.gnu.org>
* cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2006-01-26 Alexandre Oliva <aoliva@redhat.com>
PR other/24829
PR target/24831
* gthr-dce.h: Do not gthrw-ify pthread_once_init,
pthread_key_delete. From John David Anglin. gthrw-ify
pthread_getunique_np only if it it's not a macro. Delete
UNUSED macro.
(__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
__gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
__gthread_objc_condition_signal, __gthread_key_delete): Add
"__attribute__ ((__unused__))" to unused arguments.
(__gthread_recursive_mutex_init_function): Add missing return.
* gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
gthr-posix95.h: Use macro-based approach for name redirection
on targets missing weakref.
2006-01-26 Zack Weinberg <zackw@panix.com>
* genconditions.c (write_header): In generated code, #ifdef out
all includes and fake declarations, except includes of bconfig.h
and system.h, unless GCC_VERSION >= 3001. Do not include
gensupport.h in any case.
(write_conditions): Generate a definition of struct c_test. Add
a comment to the generated #endif.
(write_one_condition): Escape backslashes in string too.
(write_writer): Generated code must escape backslashes and quote
marks (but not newlines) in the strings it writes.
* Makefile.in (build/gencondmd.o): Update dependencies.
2006-01-26 Steve Ellcey <sje@cup.hp.com>
PR target/25961
* Makefile.in (insn-automata.o): Add header file dependencies.
* genautomata.c: Add includes.
2006-01-26 Steve Ellcey <sje@cup.hp.com>
PR target/25961
* Makefile.in (insn-automata.o): Add -Wno-error flag.
2006-01-26 Paolo Bonzini <bonzini@gnu.org>
* configure.ac: Expect target tools paths to be passed from the toplevel
and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
AS_SET_VAR_IF.
* acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2006-01-26 Alexandre Oliva <aoliva@redhat.com>
PR c/25892
* c.opt (Wpointer-sign): Init to -1.
* c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
OPT_pedantic, to 0 otherwise.
* doc/invoke.texi: Update.
2006-01-26 Paolo Bonzini <bonzini@gnu.org>
* config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
constants provided by 80387 instructions in the destination mode.
2006-01-26 Richard Guenther <rguenther@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/21470
partial PR tree-opt/17064
* tree-ssa-structalias.c (intra_create_variable_infos):
Create heap variables for incoming parameters if
flag_argument_noalias > 1.
(find_what_p_points_to): Look through default defs of
parameter decls.
2006-01-26 Jeff Law <law@redhat.com>
PR ada/25900
* tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
within the VR_RANGE, use the VR_RANGE as the result, not the
VR_ANTI_RANGE.
(adjust_range_with_scev): Reject ranges from SCEV which are out of
bounds for the type.
2006-01-26 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-alias.c (maybe_create_global_var): Change
subvar walking to an assertion that we don't have subvar'd variables.
2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
PR C/25861
* c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
Use a new variable, inner. PARM_DECLs are always non-weak.
2006-01-26 Shantonu Sen <ssen@opendarwin.org>
* tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
--disable-checking.
2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
* config/mips/mips.md (*clear_upper32): New combiner pattern.
2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
* arm.md (smaxsi3, sminsi3): Convert to define_expand.
(smax_insn, smin_insn, smax_0, smin_0): New.
2006-01-26 Hans-Peter Nilsson <hp@axis.com>
PR target/25947
* config/cris/cris.c (cris_order_for_addsi3): New function.
* config/cris/cris-protos.h: Prototype it.
* config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
(split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
(split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
(split for "op.S1 [rx=rx+i],ry (swapped)")
(split for "op(s|u).S1 [rx=rx+i],ry")
(split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
Apply cris_order_for_addsi3 when generating addsi3 insns.
2006-01-25 Diego Novillo <dnovillo@redhat.com>
* tree.h (TREE_RANGE_CHECK): Fix range predicate.
(TREE_BLOCK): Add call to EXPR_CHECK.
2006-01-25 Diego Novillo <dnovillo@redhat.com>
PR 25886
* tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
* tree-pretty-print.c (dump_omp_clause): Extract from ...
(dump_omp_clauses): ... here.
(dump_generic_node): Handle OMP_CLAUSE.
* tree.c (omp_clause_num_ops): New.
(omp_clause_code_name): New.
(tree_code_size): Handle OMP_CLAUSE.
(tree_size): Likewise.
(make_node): Document handling of OMP_CLAUSE.
(tree_node_structure): Handle OMP_CLAUSE.
(omp_clause_check_failed): New.
(omp_clause_range_check_failed): New.
(omp_clause_operand_check_failed): New.
(build_omp_clause): New.
(walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
* tree.h (enum omp_clause_code): Declare.
(OMP_CLAUSE_SUBCODE_CHECK): Define.
(OMP_CLAUSE_RANGE_CHECK): Define.
(OMP_CLAUSE_ELT_CHECK): Define.
(omp_clause_check_failed): Declare.
(omp_clause_operand_check_failed): Declare.
(omp_clause_range_check_failed): Declare.
(OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
(OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
(OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
(OMP_CLAUSE_LASTPRIVATE): Likewise.
(OMP_CLAUSE_IF_EXPR): Likewise.
(OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
(OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
(OMP_CLAUSE_REDUCTION_CODE): Likewise.
(OMP_CLAUSE_REDUCTION_INIT): Likewise.
(OMP_CLAUSE_REDUCTION_MERGE): Likewise.
(OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
(OMP_CLAUSE_SCHEDULE_KIND): Likewise.
(OMP_CLAUSE_DEFAULT_KIND): Likewise.
(OMP_CLAUSE_CODE): Define.
(OMP_CLAUSE_SET_CODE): Define.
(OMP_CLAUSE_CODE): Define.
(OMP_CLAUSE_OPERAND): Define.
(struct tree_omp_clause): Declare.
(union tree_node): Add field 'omp_clause'.
* treestruct.def (TS_OMP_CLAUSE): Define.
* tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
(OMP_CLAUSE): Define.
* print-tree.c (print_node): Handle OMP_CLAUSE.
* omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
* c-typeck.c: Likewise.
* gimplify.c: Likewise.
* c-omp.c: Likewise.
* tree-nested.c: Likewise.
* tree-inline.c: Likewise.
* c-parser.c: Likewise.
* gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
clauses.
2006-01-25 Roger Sayle <roger@eyesopen.com>
PR rtl-optimization/25703
* combine.c (try_combine): Handle zero_extract and strict_low_part
of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
* global.c: Fix comment typos.
2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
PR target/25758
* config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
Use output_addr_const instead of assemble_name.
2006-01-25 Paolo Bonzini <bonzini@gnu.org>
* Makefile.in (sched-vis.o): Update dependencies.
* haifa-sched.c (sched_finish): Clear current_sched_info.
* cfg.c (dump_bb_info): New, split from dump_flow_info.
(dump_flow_info): Call it.
* passes.c (execute_todo): Call print_rtl_slim_with_bb to make
a slim RTL dump.
* basic-block.h (dump_bb_info): Declare.
* tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
option, and apply options only for dump files whose TDF_RTL,
TDF_TREE, or TDF_IPA bits match.
* rtl.h: Declare new functions exported from sched-vis.c.
* sched-vis.c: Enable also if scheduling is not used.
(print_value): Print the mode of registers if not inside scheduling.
(print_insn): Make it work outside the scheduler. Beautify the output
a bit.
(dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2006-01-25 Richard Sandiford <richard@codesourcery.com>
* doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
* gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
depending on the value of CONSTANT_POOL_ADDRESS_P.
* optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
SYMBOL_REF_DECL.
* varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
rather than SYMBOL_REF_DECL.
(rtx_constant_pool): Remove const_rtx_sym_htab.
(const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
(init_varasm_status): Don't initialize const_rtx_sym_htab.
(force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
Remove handling of const_rtx_sym_htab.
(find_pool_constant): Delete.
(get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
rather than find_pool_constant.
(get_pool_constant_for_function): Delete.
(get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
find_pool_constant.
* rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
(X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
(SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
(SYMBOL_REF_CONSTANT): New macro.
(get_pool_constant_for_function): Delete.
* config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
rather than SYMBOL_REF_DECL.
(i386_pe_mark_dllimport): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
rather than SYMBOL_REF_DECL.
* config/darwin.c (machopic_indirect_data_reference): Likewise.
(machopic_indirect_call_target): Likewise.
2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
* flow.c (delete_noop_moves): Add missing EOL to dump message.
2006-01-25 Richard Sandiford <richard@codesourcery.com>
* genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2006-01-24 David Daney <ddaney@avtrex.com>
PR java/25816
* configure.ac (enable_tls): New enable option.
(HAVE_AS_TLS): Don't do assembler check if enable_tls set.
* configure: Regenerate.
* doc/install.texi (--enable-tls): Document new option.
(--disable-tls): Ditto.
2006-01-24 Richard Henderson <rth@redehat.com>
* alias.h (ALIAS_SET_MEMORY_BARRIER): New.
* alias.c (true_dependence): Respect it.
(canon_true_dependence, write_dependence_p): Likewise.
* builtins.c (get_builtin_sync_mem): Set it.
2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
* loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
efficient way.
2006-01-24 DJ Delorie <dj@redhat.com>
* expmed.c (store_bit_field): Don't arbitrarily deny using insv
for storing constants in single-bit bitfields.
2006-01-25 Ben Elliston <bje@au.ibm.com>
* dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/25860
* tree-ssa-pre.c (phi_translate): Return NULL
for AGGREGATE_TYPE's.
2006-01-24 Zack Weinberg <zackw@panix.com>
* genautomata.c (process_state_for_insn_equiv_partition):
Use xcalloc for insn_arcs_array.
* vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
(DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2006-01-24 Richard Henderson <rth@redhat.com>
* genextract.c (VEC_safe_set_locstr): Take VEC by reference;
update all callers.
2006-01-23 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/25890
PR rtl-optimization/25905
* combine.c (expand_compound_operation, expand_field_assignment):
Fail if the bitfield's final position is out of bounds.
2006-01-24 Ian Lance Taylor <ian@airs.com>
PR middle-end/25930
* cgraphunit.c (cgraph_output_in_order): Don't clear
cgraph_asm_nodes until after asm strings have been output.
2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
* fix-header.c (read_scan_file): Add new parameter imultilib when
calling register_include_chains.
2006-01-23 Diego Novillo <dnovillo@redhat.com>
* omp-low.c: Update documentation.
2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
Daniel Berlin <dberlin@dberlin.org>
PR tree-opt/25315
PR tree-opt/25857
* tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
return from the function.
2006-01-22 Zack Weinberg <zackw@panix.com>
* rtl.def (match_code): Add second argument.
* genpreds.c (write_extract_subexp): New function.
(write_match_code): Add path argument. Use write_extract_subexp.
(write_predicate_expr): Pass path to write_match_code.
(mark_mode_tests): MATCH_CODE applied to a subexpression does
not perform a mode test.
* genrecog.c (compute_predicate_codes): MATCH_CODE applied to
a subexpression does not constrain the top-level code set.
* read-rtl.c (read_rtx_variadic): New function.
(read_rtx_1): Use it; allow AND and IOR to be variadic.
* doc/md.texi: Document new notation.
* config/i386/predicates.md (cmpsi_operand_1): Fold into ...
(cmpsi_operand): ... here, using new notation.
2006-01-22 Zack Weinberg <zackw@panix.com>
* varray.c: Remove GENERATOR_FILE #ifdefs.
2006-01-22 Zack Weinberg <zackw@panix.com>
* genautomata.c (output_reserved_units_table): Emit nothing if
description->query_units_num is zero. Remove extra blank line.
(output_cpu_unit_reservation_p): Short circuit
if description->query_units_num is zero.
2006-01-22 Zack Weinberg <zackw@panix.com>
* genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
nor any of the random handful of variables that used to be necessary
when this program was linked with rtlanal.o. Prune set of forward
function declarations.
(struct attr_desc): Remove static_p field.
(hash_obstack, temp_obstack, attr_hash_table, attr_printf)
(check_attr_test, make_internal_attr, make_numeric_value): Make static.
(attr_string): Do not read the character one past the length of
the string.
(write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
(struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
(n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
(n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
(make_automaton_attrs): New.
(main): Do not call into genautomata. Call local gen_bypass
and gen_insn_reserv as appropriate. Call make_automaton_attrs.
Remove special case for insn_alts.
* genautomata.c: Include gensupport.h; not genattrtab.h nor
varray.h (leftover from previous change). Prune set of forward
function declarations. Remove state_alts fields from all
structures. Remove state_alts_table from struct automaton.
Make everything except main static. Do not maintain num_dfa_decls.
Do not maintain state_alts fields of various structures.
(process_decls): Don't validate condexp for dm_insn_reserv decls.
(add_arc): Remove state_alts argument. All callers updated.
(output_reserved_units_table): Emit #ifdef here...
(output_tables): ...not here. Don't generate state_alts tables.
(expand_automata): Don't generate attributes.
(write_automata): Don't generate state_alts functions.
(main): New function.
(it_is_empty_reserv_sets, output_state_alts_full_vect_name)
(output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
(AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
(STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
(BYPASS_P_FUNC_NAME, output_state_alts_table)
(output_automata_list_state_alts_code, output_internal_state_alts_func)
(output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
(make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
Delete.
* genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
* genattrtab.h: Delete file.
* Makefile.in (OBJS-common): Add insn-automata.o.
(insn-automata.o): New rule.
(simple_generated_c): Add insn-automata.c.
(build/genattrtab.o, build/genautomata.o): Update dependencies.
(genprogmd): Add automata.
(build/genattrtab): Needs no extra objects nor libraries.
(build/genautomata): Needs build/vec.o and -lm.
2006-01-22 Zack Weinberg <zackw@panix.com>
* genautomata.c (process_state_longest_path, max_dfa_issue_rate)
(output_dfa_max_issue_rate, locked_states_num): Delete.
(struct automaton): Add locked_states field.
(output_dead_lock_vect): Save number of locked states in
automaton->locked_states. If it is zero, don't print anything.
(output_max_insn_queue_index_def): Define max_insn_queue_index const.
(output_internal_dead_lock_func): Only test the dead_lock_vect
for automata that have locked states.
(output_statistics): Always print the number of locked states for
each automaton. Calculate total number of locked states here.
(write_automata): Don't call output_dfa_max_issue_rate.
* genattrtab.c: Define length_unit_log as a const variable.
* genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
max_insn_queue_index const.
* final.c (length_unit_log): Declare const.
* doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2006-01-22 Zack Weinberg <zackw@panix.com>
* genautomata.c: Include vec.h, not varray.h.
Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
VEC_* macros operating on appropriately typed vectors, or to
malloced arrays when the size is known in advance. Const-ify
many char* variables and function arguments. No functional changes.
* Makefile.in (build/varray.o): Delete rule.
(build/genattrtab): Depend on build/vec.o instead of build/varray.o.
(build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2006-01-22 Zack Weinberg <zackw@panix.com>
* gensupport.c: Define get_insn_name and record_insn_name here.
(read_md_rtx): Call record_insn_name as appropriate.
* genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
* genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
* genpreds.c, genrecog.c: Don't define get_insn_name nor
record_insn_name.
* Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
(BUILD_VARRAY): Delete.
(genprognormal): Rename genprogmd. Fold in all programs from
genprognoprint; also attrtab.
(build/genattrtab): Just mention genautomata.o and varray.o.
Reorganize a bit, add comments to make the categories clearer.
2006-01-22 Zack Weinberg <zackw@panix.com>
* genconditions.c (condition_table, add_condition): Delete.
(write_conditions): Don't emit n_insn_conditions nor
insn_elision_unavailable. Issue the gcc version #ifdef here,
inside the table, with no #else clause ...
(write_header): ...not here.
(write_writer): New function.
(main): Don't initialize condition_table. Use add_c_test.
Call write_writer.
* gensupport.c (init_md_reader_args_cb): Handle multiple input
files on the command line.
(maybe_eval_c_test): Don't check insn_elision_unavailable.
Return -1 if there is no entry in the table, don't abort.
(add_c_test, traverse_c_tests): New functions.
* gensupport.h (insn_elision_unavailable, insn_conditions)
(n_insn_conditions): Delete declarations.
(add_c_test, traverse_c_tests): Declare.
* read-rtl.c: Include gensupport.h.
(read_conditions): New function.
(read_rtx): If read_rtx_1 returns 0, treat as EOF.
(read_rtx_1): If we get EOF when we were looking for an initial
open paren, return 0. Call read_conditions when appropriate.
* Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
dummy-conditions.o. Eliminate references to insn-conditions.o,
or change them to build/gencondmd.o, as appropriate. Remove
insn-constants.h from $(simple_generated_h) and insn-conditions.c
from $(simple_generated_c). For all files remaining in those
two lists, add insn-conditions.md to the generator command line.
Give insn-constants.h/s-constants their own rules. Add rules
for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
(build/read-rtl.o): Depend on gensupport.h.
(genprognormal): Include preds.
(genprogearly): Rename genprognoprint; only difference is now that
they don't link with $(BUILD_PRINT).
* dummy-conditions.c: Delete.
2006-01-22 Zack Weinberg <zackw@panix.com>
* genextract.c: Don't include insn-config.h. Do include vec.h.
Declare vectors of int, char, and locstr.
(locstr): New typedef.
(struct extraction): Make all array fields into bare pointers.
(insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
(insn_code_number): Delete.
(accum_extract): New struct.
(VEC_safe_set_locstr, VEC_char_to_string): New functions.
(gen_insn): Take insn_code_number as an argument. Use an
accum_extract structure instead of loading data directly into
a struct extraction, and having to know how big it might get.
(walk_rtx): Operate entirely on an accum_extract structure.
(print_path): Avoid unnecessary use of printf.
(print_header): New function, split out of main. Distinguish
more carefully between an unrecognizable insn and an insn that
has the code number of a define_expand.
(main): Pass insn_code_number to gen_insn. Call print_header
only after parsing. Avoid unnecessary use of printf.
* Makefile.in (build/vec.o): New rule.
(build/genextract): Depend on build/vec.o.
(build/genextract.o): Don't depend on insn-config.h.
2006-01-22 Zack Weinberg <zackw@panix.com>
* Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
$(RUN_GEN). Use pattern rules to factor out as much boilerplate as
practical. Eliminate per-generator-program link rules.
2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
PR middle-end/24437
* tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
with a call expr to ...
* fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2006-01-23 Richard Guenther <rguenther@suse.de>
* cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
before make_edge with conditional EDGE_TRUE_VALUE.
2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
Jan Hubicka <jh@suse.cz>
Richard Guenther <rguenther@suse.de>
PR rtl-optimization/25654
* cfgexpand.c (aggregate_contains_union_type): New function.
(add_alias_set_conflicts): Call it. Make sure to add conflicts
for structure variables that contain a union type.
2006-01-23 Richard Sandiford <richard@codesourcery.com>
* gengtype.c (new_structure): Return the structure.
(create_option): Add an extra "next" argument.
(create_field): New function.
(adjust_field_rtx_def): Use create_option and create_field.
Remove a now-unnecessary call to find_structure.
(adjust_field_tree_def): Likewise.
(note_yacc_type): Remove an unnecessary call to find_structure.
* gengtype.h (new_structure): Return the structure.
(create_option): Add an extra argument.
* gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
(option): Adjust calls to create_option.
2006-01-22 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/aix.h (STACK_BOUNDARY): Define.
2006-01-22 Paul Brook <paul@codesourcery.com>
Peter Barada <peter@the-baradas.com>
* config/m68k/m68k.md: Add Coldfire FPU support.
Define FP mode macro and associated attributes.
Use it for float mode patterns.
* config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
(LIBCALL_VALUE): Use m68k_libcall_value.
* config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
(m68k_function_value): Ditto.
(emit_move_sequence): Ditto.
* config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
* config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
* config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
(MULTILIB_EXCEPTIONS): Ditto.
* config/m68k/m68k.opt: Add mcfv4e.
* config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
(m68k_compute_frame_layout): Include space for ColdFire FPU regs.
(m68k_output_function_prologue): Save ColdFire FPU registers.
(m68k_output_function_epilogue): Restore ColdFire FPU registers.
(force_mode, fp_reg_operand, emit_move_sequence): New functions.
(m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
ColdFire FPU registers.
(m68k_libcall_value, m68k_function_value): New functions.
* config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
(LIBCALL_VALUE): Use m68k_libcall_value.
* config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
(MASK_COLDFIRE): Add MASK_CFV4E.
(TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
(MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
(REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
(GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
(GO_IF_LEGITIMATE_ADDRESS): Use it.
(LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
* doc/invoke.tex: Document -mcfv4e on m68k.
2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
* doc/contribute.texi: Change CVS to SVN and update the corresponding
URL.
2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
PR c++/16190
* c-opts.c (c_common_handle_option): Don't include
-Wnon-virtual-dtor in -Wall; enable if -Weffc++.
* doc/invoke.texi (C++ Dialect Options): Document that
-Wnon-virtual-dtor is no longer included in -Wall.
2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
* gcov.c (print_version), gcov-dump.c (print_version),
mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
dates.
2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
* df-scan.c (problem_SCAN): Added NULL reset function.
(df_scan_reset_blocks): Added code to call reset block function
(df_bb_refs_delete) Fixed comment.
(df_insn_refs_delete): Made tolerant of deleting non existent info
for dataflow problems that need to be reset.
* df-core.c (df_set_blocks): Ditto.
* df.h (struct df_problem): Added reset_fun.
* df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
(df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
functions to clear out all references to def-use or use-def chains.
2006-01-21 Ben Elliston <bje@au.ibm.com>
* varasm.c (assemble_real): Initialise data array.
2006-01-20 Paul Brook <paul@codesourcery.com>
Merge from csl-arm-branch.
2005-09-21 Kazu Hirata <kazu@codesourcery.com>
* config/arm/arm.md (movdi): Force operands[1] to a register
if we have a non-register source.
(*arm_movdi, *movdf_soft_insn): Require that one of the
operands be a register.
* config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
* config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2006-01-20 DJ Delorie <dj@redhat.com>
* varasm.c (initializer_constant_valid_p): Allow pointers
initialized from integer constants of lesser precision.
(output_constant): Allow non-int-sized pointer modes to be
initialized from integer constants.
2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
PR libstdc++/25524
* cppdefault.h (struct default_include): Add multilib flag.
* cppdefault.c (cpp_include_defaults): Set it.
* c.opt (-imultilib): New option.
* c-opts.c (imultilib): New.
(c_common_handle_option): Handle -imultilib.
(c_common_post_options): Likewise.
* c-incpath.c (add_standard_paths, register_include_chains):
Likewise.
* c-incpath.h (register_include_chains): Add extra parameter.
* gcc.c (do_spec_1): Generate -imultilib option.
(The Specs Language): Update %I description.
(process_command): Update copyright notice.
* doc/cppopts.texi (-imultilib): Document.
* doc/invoke.texi (-imultilib): Include in option summary.
(%I): Update specs documentation.
2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
* loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2006-01-20 Richard Sandiford <richard@codesourcery.com>
* stmt.c (case_bit_test_cmp): Stabilize the sort using code
label numbers.
2006-01-20 Richard Guenther <rguenther@suse.de>
Steven Bosscher <stevenb.gcc@gmail.com>
PR rtl-optimization/24626
* cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
EDGE_TRUE_VALUE if in RTL mode.
Revert
2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
* cfgrtl.c (rtl_verify_flow_info_1): Fix.
2006-01-20 Dirk Mueller <dmueller@suse.com>
PR c++/5520
* c-parser.c (c_parser_if_body): Use build_empty_stmt()
instead of a special NOP marker.
* c-typeck.c (c_finish_if_stmt): Remove obsoleted special
NOP marker handling.
* c-common.h (empty_body_warning): Add forward declaration.
* c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
Now uses IS_EMPTY_STMT() instead of special NOP markers.
2006-01-20 Paul Brook <paul@codesourcery.com>
* Makefile.in (lang_checks): Keep going if mkdir fails.
2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
* df-scan.c (df_scan_free_bb_info): Added basic block parameter to
be able to clean out basic block when not necessary.
(df_scan_free): Fixed to properly delete information if df is
unused before calling df_finish.
(df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
or comment typos.
(df_bb_refs_delete): New function.
(df_refs_delete): Moved per block code to df_bb_refs_delete.
* df-core.c (df_set_blocks): Added code to properly clean out
unused blocks if they are not part of the blocks to consider.
Added additional null check.
(df_compact_blocks): Added basic block parameter to free_bb_fun to
be able to clean out basic block when not necessary
* df.h (df_free_bb_function): Ditto.
(df_bb_refs_delete): New function.
* df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
basic block parameter to be able to clean out basic block when not
necessary.
(df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
(df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
Fixed to properly delete information if df is unused before
calling df_finish.
2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/25799
* df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
Corrected confluence operator to remove bits from op2 before oring
with op1 rather than removing bits from op1.
(df_ru_transfer_function): Corrected test on wrong bitmap which
caused infinite loop. Both of these problems were introduced in
the dataflow rewrite.
2006-01-19 DJ Delorie <dj@redhat.com>
* reload1.c (find_reload_regs): Note the details of reload
failures in the dump file.
(spill_failure): Likewise.
2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
* loop-iv.c: Include df.h and hashtab.h.
(enum iv_grd_result): New enum.
(DF_REF_IV, DF_REF_IV_SET): New macros.
(struct biv_entry): New.
(df, bivs): New global variables.
(struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
Removed.
(clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
analyzed_for_bivness_p, record_biv): New functions.
(iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
iv_analyze, biv_p, iv_analysis_done): Work with df representation of
UD chains.
(iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
analysed.
(iv_number_of_iterations): Use new interface to iv analysis.
* loop-unroll.c: Do not include varray.h.
(analyze_iv_to_split_insn): Use new interface to iv
analysis.
* loop-unswitch.c (may_unswitch_on): Ditto.
* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
* df.h (df_find_use): Declare.
* optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
outmode.
* cfgloop.h (struct rtx_iv): Remove analysed field.
(iv_get_reaching_def): Removed.
(iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
* Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
(loop-iv.o): Add df.h and hashtab.h dependency.
* df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2006-01-20 Alan Modra <amodra@bigpond.net.au>
PR target/25668
* libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
Double TFmode.
(__floatundisf, __floatundidf): Likewise.
* libgcc2.h (IS_IBM_EXTENDED): Define.
2006-01-19 DJ Delorie <dj@redhat.com>
* config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2006-01-19 Paul Brook <paul@codesourcery.com>
* config/arm/arm.c (arm_compute_func_type): Treat all functions
as nothrow when unwinding tables are disabled.
2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR testsuite/25171
* c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
of bit-field" when in system header.
2006-01-19 DJ Delorie <dj@redhat.com>
* config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
the 16 bit shift limit of the m16c.
2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
PR target/22099
* config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
* config/i386/i386.c (output_set_got): Output the label if we have one
for the TARGET_DEEP_BRANCH_PREDICTION case.
2006-01-19 Jan Hubicka <jh@suse.cz>
H.J. Lu <hongjiu.lu@intel.com>
Evandro Menezes <evandro.menezes@amd.com>
* invoke.texi (generic): Document
(i686) Update.
* config.gcc: Make x86_64-* and i686-* default to generic tunning.
* i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
(x86_use_incdec, x86_pad_returns): New variables
(TARGET_CPU_DEFAULT_generic): New constant
(TARGET_CPU_DEFAULT_NAMES): Add generic.
(enum processor_type): Add generic32 and generic64.
* i386.md (cpu attribute): Add generic32/generic64
(movhi splitter): Behave sanely when both partial_reg_dependency and
partial_reg_stall are set.
(K8 splitters): Enable for generic as well.
* predicates.md (incdec_operand): Use TARGET_INCDEC
(aligned_operand): Avoid memory mismatch stalls.
* athlon.md: Enable for generic64, new patterns for 128bit moves.
* ppro.md: Enable for generic32
* i386.c (generic64_cost, generic32_cost): New.
(m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
(x86_use_leave): Enable for generic64. (x86_use_sahf,
x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
x86_partial_reg_dependency, x86_memory_mismatch_stall,
x86_accumulate_outgoing_args, x86_prologue_using_move,
x86_epilogue_using_move, x86_arch_always_fancy_math_387,
x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
Enable for generic.
(x86_use_incdec, x86_pad_returns): New.
(override_options): Add generic32 and generic64, translate "generic"
to generic32/generic64 and "i686" to "generic32", refuse
"generic32"/"generic64" as arch target.
(ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
(ix86_reorg): Honor PAD_RETURNS.
2006-01-19 Diego Novillo <dnovillo@redhat.com>
* tree-pretty-print.c (dump_generic_node): Handle
OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
* cgraph.c (cgraph_expand_queue): Rename from
cgraph_analyze_queue. Update all users.
* cgraphunit.c (cgraph_assemble_pending_functions): Process
cgraph_expand_queue.
(cgraph_expand_all_functions): Likewise.
(cgraph_finalize_pending_functions): Remove. Update callers.
* tree.h (OMP_DIRECTIVE_P): Define.
(OMP_PARALLEL_FN): Define.
(OMP_PARALLEL_DATA_ARG): Define.
(OMP_SECTIONS_SECTIONS): Define.
* tree-pass.h (pass_expand_omp): Declare.
* omp-low.c (struct omp_region): Declare.
(struct omp_context): Remove fields 'parallel_type',
'parallel_start_ix' and 'parallel_start_additional_args'.
Update all users.
(struct omp_for_data): Rename from struct expand_omp_for_data.
(omp_regions): New static variable.
(root_omp_region): New static variable.
(find_omp_clause): Make static.
(is_in_combined_parallel_ctx): Remove.
(is_combined_parallel): New.
(extract_omp_for_data): Move earlier in the file.
(workshare_safe_to_combine_p): New.
(get_ws_args_for): New.
(determine_parallel_type): Move earlier in the file.
(omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
child function.
(omp_copy_decl): Likewise.
(create_omp_child_function): Likewise.
(lookup_omp_region): New.
(dump_omp_region): New.
(debug_omp_region): New.
(debug_all_omp_regions): New.
(new_omp_region): New.
(scan_omp_parallel): If parallel_nesting_level > 1, the
directive is nested within another parallel directive.
Set OMP_PARALLEL_FN.
(scan_omp_for): Do not try to handle combined parallel+for
cases.
Remove FIXME comment.
(scan_omp_nested): Remove.
(scan_omp_1): Do not call scan_omp_nested when
parallel_nesting_level is > 1.
Do not change the DECL_CONTEXT of local variables found.
(lookup_decl_in_outer_ctx): New.
(lower_rec_input_clauses): Rename from expand_rec_input_clauses.
(lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
(lower_reduction_clauses): Rename from expand_reduction_clauses.
(lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
If CTX is nested, lookup VAR in the outer context when
building copy assignment.
(lower_send_clauses): Rename from expand_send_clauses.
If CTX is nested, lookup VAR in the outer context when
building copy assignments.
(lower_send_shared_vars): Rename from expand_send_shared_vars.
If CTX is nested, lookup VAR in the outer context when
building copy assignments.
(expand_parallel_call): Rename from build_parallel_call.
Handle combined parallel+workshare cases.
Re-implement to emit code into the CFG.
(list2chain): New.
(expand_omp_parallel): Re-implement to emit code into the CFG.
Call move_sese_region_to_fn to outline the sub-graph
containing the parallel region.
(expand_omp_for_1): Remove.
(expand_omp_for_generic): Re-implement to emit code into the
CFG.
(expand_omp_for_static_nochunk): Likewise.
(expand_omp_for_static_chunk): Likewise.
(expand_omp_for): Likewise.
(expand_omp_sections): Likewise.
(remove_exit_barriers): New.
(expand_omp_synch): New.
(expand_omp): New.
(build_omp_regions_1): New.
(build_omp_regions): New.
(execute_expand_omp): New.
(gate_expand_omp): New.
(pass_expand_omp): Define.
(lower_omp_sections): Rename from expand_omp_sections.
Set OMP_SECTIONS_SECTIONS.
(lower_omp_single_simple): Rename from expand_omp_single_simple.
(lower_omp_single_copy): Rename from expand_omp_single_copy.
(lower_omp_single): Rename from expand_omp_simple.
(lower_omp_master): Rename from expand_omp_master.
(lower_omp_ordered): Rename from expand_omp_ordered.
(lower_omp_critical): Rename from expand_omp_critical.
(lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
(lower_omp_for): Re-implement.
(lower_omp_parallel): Re-implement.
(lower_regimplify): Rename from expand_regimplify.
(lower_omp_1): Rename from expand_omp_1.
If there are syntax errors in the program, replace every
OpenMP directive with NOP.
Call lower_omp_* instead of expand_omp_*.
(lower_omp): Rename from expand_omp.
* tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
* tree-gimple.h (enum omp_parallel_type): Remove.
(gimple_boolify): Declare extern.
(find_omp_clause, determine_parallel_type): Remove.
* gimple-low.c (lower_omp_directive): New.
(lower_stmt): Call it.
(record_vars_into): Move from ...
(record_vars): ... here.
Call record_vars_into with current_function_decl.
* gimplify.c (struct gimplify_ctx): Remove fields
combined_pre_p and combined_ctxp. Update users.
(get_formal_tmp_var): Add documentation.
(gimple_boolify): Make extern.
(gimplify_expr_in_ctx): Remove. Update callers.
(gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
will always be a BIND_EXPR.
(gimplify_expr): Handle OMP_RETURN_EXPR.
* tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
(OMP_PARALLEL): Add 3 operands.
(OMP_SECTIONS): Add 1 operand.
(OMP_RETURN_EXPR): Define.
* tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
(copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
* tree-iterator.c (alloc_stmt_list): Assert that we are not
creating a circular free list.
(free_stmt_list): Assert that we are not freeing stmt_list_cache.
* tree-flow.h (move_sese_region_to_fn): Declare.
(record_vars_into): Declare.
* tree-cfg.c (make_omp_sections_edges): New.
(make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
OMP_SECTIONS and OMP_SECTION.
(is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
(set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
(verify_stmt): Do not handle OMP_DIRECTIVE_P.
(gather_blocks_in_sese_region): New.
(struct move_stmt_d): Declare.
(move_stmt_r): New.
(move_block_to_fn): New.
(move_sese_region_to_fn): New.
* passes.c (init_optimization_passes): Schedule
pass_expand_omp after pass_init_datastructures.
* tree-ssa-operands.c (get_expr_operands): Handle
OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2006-01-19 Jeff Law <law@redhat.com>
* tree-vrp.c (extract_range_from_assert): Refine the result range
if the variable referenced by the ASSERT_EXPR has a range and
either the tentative result range or the previous range is a
VR_ANTI_RANGE.
2006-01-19 Richard Sandiford <richard@codesourcery.com>
* c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2006-01-19 Jan Hubicka <jh@suse.cz>
* tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2006-01-19 Paolo Bonzini <bonzini@gnu.org>
* combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
(expand_compound_operation, expand_field_assignment): Fail if the
bit lengths of an extract operation are out of range.
(make_extraction): Compute wanted_inner_mode based on the position
and length of the extraction. Make it extraction_mode for non-constant
positions, and do not modify offset in that case. When generating a
new MEM, use a mode that can hold the extraction while keeping correct
alignment. Remove code that supported MEMs wrapped by USEs.
(simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.md ("Y", "y"): New mode attribute.
("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
"*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
"*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
"*addsi3_imm_cc", "*addsi3_carry1_cc",
"*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
"*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
"*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
"*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
"*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
"*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
"addsi3", "subsi3"): Insn patterns removed.
("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
"*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
"*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
"*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
"*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
"*sub<mode>3_cconly2"): New insn patterns.
("addsi3", "subsi3"): New expanders.
2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
* Makefile.in (tree-vect-patterns.o): Add rule for new file.
* tree-vect-analyze.c (vect_determine_vectorization_factor): Use
existing STMT_VINFO_VECTYPE if available.
(vect_mark_relevant): Add special handling for stmts that are
marked as STMT_VINFO_IN_PATTERN_P.
(vect_analyze_loop): Call vect_pattern_recog.
* tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
* tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
stmt_info.
(STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
(vect_recog_func_ptr): New function-pointer type.
* tree-vect-patterns.c: New file.
(vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
(vect_recog_dot_prod_pattern, vect_pattern_recog):
(vect_pattern_recog_1): New functions.
(vect_pattern_recog_funcs): New array of function pointers.
* tree-vectorizer.h (ternary_op): New enum value.
* tree-vect-transform.c (vect_create_epilog_for_reduction): Added
declaration. Revised documentation. Removed redundant dump prints.
Removed redundant argument. Added support for reduction patterns.
(vectorizable_reduction): Added support for reduction patterns.
(vect_transform_stmt): Added support for patterns.
* expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
* genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
* optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
(expand_widen_pattern_expr): New function.
(init_optabs): Initialize new optabs udot_prod_optab,
sdot_prod_optab.
* optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
(sdot_prod_optab, udot_prod_optab): Define new optabs.
(expand_widen_pattern_expr): New function declaration.
* tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
tree-codes.
* tree-inline.c (estimate_num_insns_1): Added cases for new
tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
* tree-pretty-print.c (dump_generic_node): Likewise.
(op_prio): Likewise.
(op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
* tree-ssa-operands.c (get_expr_operands): Added case for
DOT_PROD_EXPR.
* tree-vect-patterns.c (widened_name_p): New function.
(vect_recog_dot_prod_pattern): Added function implementation.
* tree-vect-transform.c (get_initial_def_for_reduction): Added
cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
* config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
* config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
* expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
* genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
* optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
(init_optabs): Initialize new optabs widen_ssum_optab,
widen_usum_optab.
* optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
(widen_ssum_optab, widen_usum_optab): Define new optabs.
* tree-vect-generic.c: (expand_vector_operations_1): Check type of
use instead of type of def.
* tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
function implementation.
* config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
widen_ssumv8hi): New.
* doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
patterns.
2006-01-19 Richard Sandiford <richard@codesourcery.com>
PR c/25805
* c-decl.c (add_flexible_array_elts_to_size): New function.
(finish_decl): Use it.
2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
* diagnostic.h: Include options.h.
* config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
dependancies for diagnostic.h.
* Makefile.in (DIAGNOSTIC_H): Add options.h.
2006-01-16 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
(ssa_ro_call_cache_valid): Ditto.
* tree-ssa-alias.c (sort_tags_by_id): New function.
(init_transitive_clobber_worklist): Ditto.
(add_to_worklist): Ditto.
(mark_aliases_call_clobbered): Ditto.
(compute_tag_properties): Ditto.
(set_initial_properties): Ditto.
(compute_call_clobbered): Ditto.
(compute_may_aliases): Call compute_call_clobbered and grouping.
(compute_flow_sensitive_aliasing): Remove clobbering related code.
(compute_flow_insensitive_aliasing): Grouping now happens in our
caller.
(setup_pointers_and_addressables): Remove clobbering related code.
(add_may_alias): Ditto.
(replace_may_alias): Ditto.
(get_nmt_for): Ditto.
(create_global_var):
(is_escape_site): Return an escape_type enumeration.
* tree-flow-inline.h (is_call_clobbered): Global var does not
imply call clobbered.
(mark_call_clobbered): Take a reason for marking this. Remove
marking of globalness, and cache invalidation.
(clear_call_clobbered): Remove cache invalidation code.
* tree-dfa.c (dump_variable): If details is on, dump the reason
for escaping.
* tree-outof-ssa.c (create_temp): Copy escape mask from original
variable.
* tree-flow.h (struct ptr_info_def): Add escape mask member.
(struct var_ann_d): Ditto.
(enum escape_type): New.
(mark_call_clobbered): Adjust prototype.
* tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
are never call clobbered.
Record reasons for escaping.
* tree-ssa-structalias.h (is_escape_site): Update prototype.
* tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
(ssa_ro_call_cache_valid): Ditto.
(clobbered_v_may_defs): Ditto.
(clobbered_vuses): Ditto.
(ro_call_vuses): Ditto.
(clobber_stats): New.
(init_ssa_operands): Zero out clobber stats.
(fini_ssa_operands): Print out clobber stats.
(get_call_expr_operands): Pass callee fndecl to
add_call_read_ops).
(add_call_clobber_ops): Remove use of cache.
Add use of PURE_CONST information.
(add_call_read_ops): Remove use of cache.
Add use of static not_read information.
2006-01-18 Alexandre Oliva <aoliva@redhat.com>
Introduce TLS descriptors for i386 and x86_64.
* config/i386/i386.h (TARGET_GNU2_TLS): New macro.
(TARGET_ANY_GNU_TLS): New macro.
(enum tls_dialect): Added TLS_DIALECT_GNU2.
(struct machine_function): Add tls_descriptor_call_expanded_p.
(ix86_tls_descriptor_calls_expande_in_cfun): New macro.
(ix86_current_function_calls_tls_descriptor): Likewise.
* config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
(override_options): Introduce gnu2 tls dialect.
(ix86_frame_pointer_required): Functions containing TLSCALLs are
not leaves.
(ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
Likewise.
(legitimize_tls_address): Adjust logic for GNU2 TLS.
(ix86_init_machine_status): Initialize new field.
(ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
(ix86_tls_module_base): New.
* config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
* config/i386/i386.md (UNSPEC_TLSDESC): New constant.
(tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
(tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
(tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
(*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
(tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
(*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
* config/i386/predicates.md (tls_modbase_operand): New.
(tp_or_register_operand): New.
2006-01-18 Daniel Berlin <dberlin@dberlin.org>
* ipa-reference.c (check_operand): Allow FUNCTION_DECL.
(look_for_address_of): Ditto.
(ipa_init): Walk the function decls.
(static_execute): Don't set readonly on FUNCTION_DECL's.
2006-01-18 Roger Sayle <roger@eyesopen.com>
* config/i386/i386.md (shift spliter): Fix a a typo in the splitter
for shifts where the source and destination registers are different.
2006-01-18 Paul Brook <paul@codesourcery.com>
Merge from csl-arm-branch.
2005-03-14 Julian Brown <julian@codesourcery.com>
* config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
(aeabi_llsl): Likewise.
(ashrdi3): Likewise.
(aeabi_lasr): Likewise.
(lshrdi3): Likewise.
(aeabi_llsr): Likewise.
2005-03-10 Julian Brown <julian@codesourcery.com>
* config.gcc: Disable shared libgcc for SymbianOS.
* config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2006-01-18 DJ Delorie <dj@redhat.com>
* c-pragma.c (handle_pragma_diagnostic): New.
(init_pragma): Register it.
* doc/extend.texi: Document it.
* diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
* diagnostic.h (diagnostic_classify_diagnostic): Declare.
(diagnostic_context): Add classify_diagnostic[].
* diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
as errors if they're overridden to DK_WARNING.
(diagnostic_initialize): Initialize classify_diagnostic[].
(diagnostic_set_kind_override): New.
(diagnostic_report_diagnostic): Check for kind changes.
* opts.c (common_handle_option): Take lang_mask. Update callers.
Handle OPT_Werror_.
* common.opt (Werror=): New.
* doc/invoke.texi: Document -Werror=*
2006-01-18 Jeff Law <law@redhat.com>
* tree-vrp.c (test_for_singularity): Correct test for new
min limit. Use operand_equal_p rather than pointer equality
for testing if new min/max values are equal.
* tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
using range information until after propagation and folding.
2006-01-18 Richard Henderson <rth@redhat.com>
Aldy Hernandez <aldyh@redhat.com>
Jakub Jelinek <jakub@redhat.com>
Diego Novillo <dnovillo@redhat.com>
* omp-low.c: New file.
* c-omp.c: New file.
2006-01-18 Richard Henderson <rth@redhat.com>
Jakub Jelinek <jakub@redhat.com>
Diego Novillo <dnovillo@redhat.com>
* doc/invoke.texi: Document -fopenmp.
* tree-dump.h (debug_function): Declare.
* hooks.c (hook_bool_tree_bool_false): New function.
(hook_tree_tree_null): Remove.
(hook_tree_tree_tree_null): New.
* hooks.h: Update to match.
* tree-pretty-print.c (debug_tree_chain): New.
(print_generic_expr): Handle TDF_CHAIN.
(dump_generic_node): Handle BLOCK.
Do not abort with incomplete SWITCH_EXPRs.
Do not dump body of an OpenMP directive if TDF_SLIM is given.
<case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
print space after directive name.
<OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
Handle OMP_MASTER and OMP_ORDERED.
Handle printing of OMP_BODY just in one place, goto
dump_omp_body in the rest of OMP_* nodes that have
OMP_BODY.
Don't handle clause nodes here. Update omp statements to
use dump_omp_clauses.
Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
Adjust output for GOMP_PARALLEL.
(dump_omp_clauses): New.
(print_declaration): Dump DECL_VALUE_EXPR.
(op_symbol_1): Split out of op_symbol.
(dumping_stmts): Remove. Update all users.
* cgraph.c (cgraph_analyze_queue): New.
(cgraph_add_new_function): New.
* cgraph.h (cgraph_analyze_queue): Declare.
(cgraph_add_new_function): Declare.
(cgraph_lower_function): Remove.
* tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
and TYPE_P nodes in its default clause.
(empty_body_p): New.
(tree_range_check_failed): New.
(build5_stat): New.
* tree.h (OMP_CLAUSE_REDUCTION_INIT,
OMP_CLAUSE_REDUCTION_MERGE,
OMP_CLAUSE_REDUCTION_PLACEHOLDER,
OMP_CLAUSE_PRIVATE_DEBUG,
OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
(TREE_RANGE_CHECK): New.
(empty_body_p): Declare.
(enum omp_clause_default_kind): New.
(build_string_literal): Declare.
(enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
(build5_stat, build5): Declare.
* tree-pass.h (TDF_CHAIN): Define.
* tree-pass.h (PROP_gimple_lomp): Define.
(pass_lower_omp): Declare.
* diagnostic.h (debug_tree_chain): Declare.
* builtins.c (get_builtin_sync_mode): Use 0 as last argument to
mode_for_size.
(expand_builtin): Handle sync BUILT_IN_*_16 builtins.
* builtins.c (build_string_literal): Make extern.
* gcc.c (include_spec_function): New.
(static_spec_functions): Add it.
(main): Move load of libgomp.spec ...
(LINK_COMMAND_SPEC): ... here.
(link_gomp_spec): New.
(static_specs): Include it.
(LINK_COMMAND_SPEC): Add link_gomp.
(GOMP_SELF_SPECS): New.
(driver_self_specs): Include it.
(switch_matches): Don't mark inline.
(main): Load libgomp.spec.
* tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
* tree-gimple.h (enum omp_parallel): Declare.
(determine_parallel_type): Declare.
(omp_firstprivatize_variable): Declare.
(omp_reduction_init): Declare.
(diagnose_omp_structured_block_errors): Declare.
(struct walk_stmt_info): Add want_return_expr.
(struct walk_stmt_info): Add want_bind_expr, want_locations.
(find_omp_clause): Declare.
(insert_field_into_struct): Declare.
(struct walk_stmt_info): Move from tree-nested.c
(walk_stmts): Declare.
* c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
to 200505.
* cgraphunit.c (cgraph_lower_function): Make static.
(cgraph_finalize_pending_functions): New.
(cgraph_finalize_function): Call it.
(cgraph_finalize_compilation_unit): Likewise.
* builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
(BT_FN_UINT_UINT): New.
(DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
DEF_FUNCTION_TYPE_VAR_4): Document.
(BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
BT_FN_VOID_OMPFN_PTR_UINT_UINT,
BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
* builtins.def: Update DEF_BUILTIN comment to include COND argument.
Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
into separate files.
(DEF_GOMP_BUILTIN): New.
(BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
* sync-builtins.def: New file, moved from builtins.def.
* omp-builtins.def: New file, moved from builtins.def.
* c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
* gimple-low.c (lower_function_body): Clear data.
(lower_stmt): Do not handle COMPOUND_EXPR.
Remove call to print_node_brief.
* c-tree.h (c_finish_omp_clauses): New prototype.
(C_DECL_THREADPRIVATE_P): Define.
(lookup_name_no_remap, c_omp_remap_private): Remove
(c_begin_omp_parallel, c_finish_omp_parallel): Update.
(check_for_loop_decls): Update decl.
(lookup_name_no_remap, c_omp_remap_private): Declare.
(build_indirect_ref, build_modify_expr, pushdecl,
pushdecl_top_level): Move to c-common.h.
* dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
before the switch, but just in the 2 places that need it.
* c-decl.c (diagnose_mismatched_decls): Do not check for
mismatched thread-local attributes when OLDDECL is marked
threadprivate and NEWDECL has no thread-local attributes.
(merge_decls): Merge C_DECL_THREADPRIVATE_P.
(c_gimple_diagnostics_recursively): Rename from
c_warn_unused_result_recursively. Invoke
diagnose_omp_structured_block_errors.
(check_for_loop_decls): Return a singular decl found.
* langhooks.c (lhd_omp_predetermined_sharing): Return
OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
(lhd_omp_firstprivatize_type_sizes): New.
(lhd_omp_assignment): New.
(lhd_omp_predetermined_sharing): New.
* langhooks.h (struct gimplify_omp_ctx): Forward declare.
(struct lang_hooks_for_types): Add
omp_firstprivatize_type_sizes, omp_privatize_by_reference,
omp_predetermined_sharing, omp_disregard_value_expr,
omp_private_debug_clause, omp_clause_default_ctor,
omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
(c_finish_omp_clauses): New.
(c_finish_bc_stmt): Diagnose break within omp for.
(c_begin_omp_parallel, c_finish_omp_parallel): New.
(build_unary_op): Return error_mark after reporting
a readonly_error.
(build_modify_expr): Likewise.
* gimplify.c: Include optabs.h and pointer-set.h.
(enum gimplify_omp_var_data): Declare.
(struct gimplify_omp_ctx): Declare.
(struct gimplify_ctx): Add fields prev_context, combined_pre_p
and combined_ctxp.
(gimplify_ctxp, gimplify_omp_ctxp): New local variables.
(push_gimplify_context, pop_gimplify_context): Allow nesting.
(splay_tree_compare_decl_uid): New.
(new_omp_context): New.
(delete_omp_context): New.
(gimple_add_tmp_var): Call omp_add_variable.
(gimplify_bind_expr): Likewise.
(gimplify_var_or_parm_decl): If omp_notice_variable returned
true, disregard DECL_VALUE_EXPR on the decl if any.
(gimplify_expr_in_ctx): New.
(omp_firstprivatize_variable, omp_firstprivatize_type_sizes
omp_add_variable, omp_notice_variable, omp_is_private
gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
gimplify_adjust_omp_clauses, gimplify_omp_parallel
gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
gimplify_omp_atomic_fetch_op, goa_stabilize_expr
gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
gimplify_omp_atomic): New.
(gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
OMP_CRITICAL and OMP_ATOMIC.
(gimplify_body): Verify gimplify_ctxp is empty after gimplification.
* c-pragma.h (enum pragma_kind): Add
PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
PRAGMA_OMP_THREADPRIVATE.
* tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
* print-tree.c (print_node): Dump DECL_VALUE_EXPR.
* tree-ssa-dce.c (find_control_dependence): Do not assume that
ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
* tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
OpenMP directives.
(struct nesting_info): Add field_map,
suppress_expansion, debug_var_chain.
(create_nesting_tree): Initialize them.
(lookup_field_for_decl): Use field_map.
(get_nonlocal_debug_decl, get_local_debug_decl): New.
(convert_local_omp_clauses): New.
(finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
(walk_body): Split out of walk_function.
(convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
(convert_nonlocal_reference): Handle omp statements.
(convert_local_reference): Likewise.
(unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
(unnest_nesting_tree): New.
(lower_nested_functions): Call it.
(insert_field_into_struct): Make extern.
(struct walk_stmt_info): Move to tree-gimple.h.
(walk_stmts): Make extern.
* omp-builtins.def: New file.
* tree-iterator.c (expr_only): Clarify comment.
* c-common.h (pushdecl_top_level, pushdecl,
build_modify_expr, build_indirect_ref,
c_finish_omp_master, c_finish_omp_critical,
c_finish_omp_ordered, c_finish_omp_barrier,
c_finish_omp_atomic, c_finish_omp_flush,
c_finish_omp_for, c_split_parallel_clauses,
omp_clause_default_kind, c_omp_sharing_predetermined,
c_omp_remap_decl): Declare.
* Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
(OBJS-common): Add omp-low.o.
(c-omp.o, omp-low.o): Add.
(gimplify.o): Add dependency on $(OPTABS_H).
(GTFILES): Add omp-low.c.
(gt-stringpool.h): Add.
* tree-cfg.c (set_bb_for_stmt): Do not update the
block-to-labels map if we are currently expanding to RTL.
(tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
checks.
Handle IDENTIFIER_NODE.
(tree_verify_flow_info): Do not ICE when emitting error
messages about invalid labels.
(dump_function_to_file): Reset CFUN before emitting the body
of the function.
(debug_function): New.
* passes.c (init_optimization_passes): Schedule
pass_lower_omp.
* langhooks-def.h (lhd_omp_predetermined_sharing,
lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
Declare.
(LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
(LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
(LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
LANG_HOOKS_OMP_PREDETERMINED_SHARING,
LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
(LANG_HOOK_DECLS): Use them.
2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
Richard Henderson <rth@redhat.com>
Jakub Jelinek <jakub@redhat.com>
Diego Novillo <dnovillo@redhat.com>
* c-parser.c (pragma_omp_clause): Define.
(c_parser_declaration_or_fndef): Document OpenMP syntax.
(c_parser_compound_statement): Likewise.
(c_parser_statement): Likewise.
(c_parser_pragma): Handle omp pragmas.
(OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
(c_parser_omp_clause_name, check_no_duplicate_clause,
c_parser_omp_variable_list,
c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
c_parser_omp_clause_copyprivate,
c_parser_omp_clause_default,
c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
c_parser_omp_clause_lastprivate,
c_parser_omp_clause_nowait,
c_parser_omp_clause_num_threads,
c_parser_omp_clause_ordered, c_parser_omp_clause_private,
c_parser_omp_clause_reduction,
c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
c_parser_omp_all_clauses, c_parser_omp_structured_block,
c_parser_omp_atomic, c_parser_omp_barrier,
c_parser_omp_critical, c_parser_omp_flush,
c_parser_omp_for_loop, c_parser_omp_for,
c_parser_omp_master, c_parser_omp_ordered,
c_parser_omp_sections_scope, c_parser_omp_sections,
c_parser_omp_parallel, c_parser_omp_single,
c_parser_omp_construct, c_parser_omp_threadprivate): New.
* c-pragma.c (init_pragma): Do omp pragma registration here.
* c.opt (fopenmp): New flag.
2006-01-18 Eric Christopher <echristo@apple.com>
* gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
* config/darwin.h (GOMP_SELF_SPECS): Define.
2006-01-18 Kazu Hirata <kazu@codesourcery.com>
* rtl.h: Remove the prototype for reg_alloc.
2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR target/25731
* config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
hppa[12]*-*-hpux11*): Override default shared libgcc version for both
sjlj and dwarf2 exception handling.
* pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
* pa/pa.c (function_value): Treat complex and vector types as
aggregates.
(function_arg): Likewise. Only pass scalar floats in the floating
point argument registers.
* pa/t-slibgcc-dwarf-ver: New file.
* pa/t-slibgcc-sjlj-ver: New file.
* pa/t-slibgcc-elf-ver: Delete file.
2006-01-19 Alan Modra <amodra@bigpond.net.au>
* config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
unlikely_test_section_p test.
2006-01-18 Kazu Hirata <kazu@codesourcery.com>
* mode-switching.c (optimize_mode_switching): Make it static.
* basic-block.h: Remove the prototype for
optimize_mode_switching.
* modulo-sched.c (sms_schedule): Make it static.
* rtl.h: Remove the prototype for sms_schedule.
* postreload-gcse.c (gcse_after_reload_main): Make it static.
* rtl.h: Remove the prototype for gcse_after_reload_main.
* reg-stack.c (reg_to_stack): Make it static.
* rtl.h: Remove the prototype for reg_to_stack.
* regrename.c (regrename_optimize, copyprop_hardreg_forward):
Make them static.
* rtl.h: Remove the prototypes for regrename_optimize and
copyprop_hardreg_forward.
2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
* config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
Test against the appropriate null constant for the mode.
If 'fixup_overlap' is true, swap the operands if they overlap.
(alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
* config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
alpha_split_tmode_pair and adjust for above change.
* config/alpha/alpha.md (movtf_internal): Adjust call to
alpha_split_tfmode_pair and rely on it to swap the operands.
(movti_internal): New insn and post-reload splitter.
(movti): New expander.
2006-01-18 Philippe De Muyter <phdm@macqel.be>
* config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
operands.
2006-01-18 Kazu Hirata <kazu@codesourcery.com>
* rtlanal.c (global_reg_mentioned_p_1,
global_reg_mentioned_p): Remove.
* rtl.h: Remove the prototype for global_reg_mentioned_p.
* flow.c (initialize_uninitialized_subregs): Make it static.
* rtl.h: Remove the prototype for
initialize_uninitialized_subregs.
* function.c (instantiate_virtual_regs): Make it static.
* function.h: Remove the prototype for
instantiate_virtual_regs.
* regmove.c (regmove_optimize, combine_stack_adjustments):
Make them static.
* rtl.h: Remove the prototypes for regmove_optimize and
combine_stack_adjustments.
2006-01-17 Roger Sayle <roger@eyesopen.com>
* config/i386/i386.c (COSTS_N_BYTES): New macro.
(size_cost): Encode costs in bytes so that a reg-reg addition is
equivalent to COSTS_N_INSNS(1).
(override_options): Use the size_cost.branch_cost as the default
ix86_branch_cost when optimizing for size.
2006-01-18 Ben Elliston <bje@au.ibm.com>
* Makefile.in (D32PBIT_FUNCS): New.
(D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
(libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
D64PBIT_FUNCS and D128PBIT_FUNCS.
(LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
* mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
D128PBIT are set.
(decnumber_dep): Define.
* doc/libgcc.texi (Decimal float library routines): New node.
* config/dfp-bit.h, config/dfp-bit.c: New files.
2006-01-18 Ben Elliston <bje@au.ibm.com>
* expr.c (emit_move_change_mode): Always adjust addresses, not
just during reload. Copy replacements only during reload.
(emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
emit_move_via_integer.
2006-01-17 Shantonu Sen <ssen@opendarwin.org>
* Makefile.in (check-%, check-consistency): Use $${srcdir}
instead of $(srcdir) and ${srcdir}.
2006-01-17 Richard Earnshaw <rearnsha@arm.com>
PR target/592
PR middle-end/11135
* arm.h (struct machine_function): Add pic_reg.
* arm.c (arm_pic_register): Make unsigned.
(arm_override_options): Only set arm_pic_register if
TARGET_SINGLE_PIC_BASE.
(use_return_insn): Only test for a pic register if it is fixed.
(arm_compute_save_reg0_reg12_mask): Likewise.
(thumb_compute_save_reg_mask): Likewise.
(legitimate_pic_operand): Factor out some known invariants.
(legitimize_pic_address): If we don't have a fixed pic register,
then set up a pseudo in the function entry sequence. Handle the
pic base being in a pseudo.
(arm_load_pic_register): Handle the pic register being in a pseudo.
(arm_expand_prologue): Only set up the pic register if it is fixed.
(thumb_expand_prologue): Likewise.
* arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
(pic_load_addr_based_insn): Likewise.
(builtin_setjmp_receiver): Don't restore the pic base if it isn't
fixed.
2006-01-18 Ben Elliston <bje@au.ibm.com>
* config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
decimal float modes for all floating point registers.
* config/rs6000/predicates.md (reg_or_mem_operand): Pair up
match_code "mem" with match_test "macho_lo_sum_memory_operand".
2006-01-17 Jakub Jelinek <jakub@redhat.com>
PR c/25682
* c-typeck.c (build_unary_op): Fold offsetof-like expressions
even when the pointer is not NULL.
2006-01-16 Ian Lance Taylor <ian@airs.com>
* common.opt (ftoplevel-reorder): New option.
* cgraph.c (cgraph_asm_nodes): New global variable.
(cgraph_asm_last_node): New static variable.
(cgraph_order): New global variable.
(cgraph_create_node): Set new order field.
(cgraph_varpool_node): Likewise.
(decide_is_variable_needed): Return true if not
flag_toplevel_reorder.
(cgraph_add_asm_node): New function.
* cgraph.h (struct cgraph_node): Add order field.
(struct cgraph_varpool_node): Add order field.
(struct cgraph_asm_node): Define.
(cgraph_asm_nodes, cgraph_order): Declare.
(cgraph_add_asm_node): Declare.
* cgraphunit.c (cgraph_varpool_assemble_decl): New static
function.
(cgraph_varpool_assemble_pending_decls): Call it.
(cgraph_output_pending_asms): New static function.
(cgraph_finalize_compilation_unit): Call it.
(struct cgraph_order_sort): Define.
(cgraph_output_in_order): New static function.
(cgraph_optimize): Call cgraph_output_pending_asms. Add code for
!flag_toplevel_reorder case.
* c-parser.c: Include "cgraph.h".
(c_parser_asm_definition): Call cgraph_add_asm_node rather than
assemble_asm.
* Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
than -fno-unit-at-a-time.
* doc/invoke.texi (Option Summary): Mention
-fno-toplevel-reorder.
(Optimize Options): Document -fno-toplevel-reorder. Mention it in
-funit-at-a-time documentation.
2006-01-17 Hans-Peter Nilsson <hp@axis.com>
Kazu Hirata <kazu@codesourcery.com>
* Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2006-01-17 Kazu Hirata <kazu@codesourcery.com>
* Makefile.in (FUNCTION_H): New. Use it instead of
function.h throughout the file.
* function.h: Include tree.h.
2006-01-17 Ben Elliston <bje@au.ibm.com>
* recog.c: Separate some functions with whitespace.
2006-01-16 Richard Henderson <rth@redhat.com>
Merge from gomp branch:
* Makefile.in (TREE_INLINE_H): New. Use it as needed.
* tree-inline.h (struct copy_body_data): Move from tree-inline.c
and rename from struct inline_data. Rename callee* to dst*;
caller* to src*; add copy_decl hook, transform_call_graph_edges,
transform_new_cfg, transform_return_to_modify, and
transform_lang_insert_block flags; remove cloning_p, versioning_p,
update_clones_p.
(copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
(copy_decl_for_dup): Remove.
* tree-inline.c (struct inline_data): Move to header.
(insert_decl_map): Export.
(remap_decl): Update for member name changes. Use copy_decl hook.
Allow for replacement to be a non-decl. Remove dead code.
(remap_type_1): Check for existing mapping.
(remap_type): Export.
(remap_decls): Update for member name changes.
(remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
(copy_body, setup_one_parameter, declare_return_variable): Likewise.
(expand_call_inline, optimize_inline_calls, clone_body): Likewise.
(copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
(tree_function_versioning, build_duplicate_type): Likewise.
(copy_body_r): Likewise. Export.
(copy_decl_for_dup): Split into ...
(copy_decl_for_dup_finish, copy_decl_to_var,
copy_decl_no_change, copy_decl_maybe_to_var): ... these.
(replace_ref_tree, inlining_p): Remove.
2006-01-16 Kazu Hirata <kazu@codesourcery.com>
* ifcvt.c (if_convert): Make it static.
* rtl.h: Remove the prototype for if_convert.
* local-alloc.c (local_alloc): Make it static.
* rtl.h: Remove the prototype for local_alloc.
* loop.c (loop_optimize): Make it static.
* cfgloop.h: Remove the prototype for loop_optimize.
* rtl.h: Likewise.
2006-01-16 DJ Delorie <dj@redhat.com>
* reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
mems.
2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa.md: Disparage copies between general and floating-point registers
in 32-bit move patterns.
2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
PR testsuite/25741
* Makefile.in (check-%): Depend on site.exp instead of
$(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
directories.
2006-01-16 Kazu Hirata <kazu@codesourcery.com>
* global.c (global_alloc): Make it static.
* rtl.h: Remove the prototype for global_alloc.
2006-01-16 Richard Guenther <rguenther@suse.de>
* tree-ssa-alias.c (struct used_part): Add write_only field.
(get_or_create_used_part_for): Initialize it to true.
(create_overlap_variables_for): Don't create structure variables
for structures that only are written to.
(find_used_portions): Handle MODIFY_EXPR to track whether a
structure is only written to.
2006-01-16 Kazu Hirata <kazu@codesourcery.com>
* bb-reorder.c (partition_hot_cold_basic_blocks): Make it
static.
* basic-block.h: Remove the prototype for
partition_hot_cold_basic_blocks.
2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
* cppspec.c (lang_specific_spec_functions): Remove.
* gcc.c (lookup_spec_function): Use static_spec_functions directly.
* gcc.h (lang_specific_spec_functions): Remove.
* gccspec.c (lang_specific_spec_functions): Remove.
2006-01-16 Paolo Bonzini <bonzini@gnu.org>
* combine.c (record_value_for_reg): Invalidate registers
if INSN is null.
(record_dead_and_set_regs_1): Likewise, by passing them to
record_value_for_reg.
(record_dead_and_set_regs): Invalidate stores made by a
call. We do not combine across a call, but we still
relied on equivalences.
2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
* tree-vrp.c (extract_range_from_binary_expr): Cope with
vrp_int_const_binop returning non-constant nodes.
2006-01-16 Paul Brook <paul@codesourcery.com>
* config/m68k/m68k.c (output_move_const_into_data_reg):
Output correct mnemonic for mvz and mvs.
2006-01-16 Gabor Loki <loki@gcc.gnu.org>
* rtl-factoring.c: Add sequence abstraction algorithm.
* cfgcleanup.c (outgoing_edges_match): Extra checks.
(try_crossjump_to_edge): Avoid deleting preserve label when redirecting
ABNORMAL edges.
(block_has_preserve_label): New function.
* common.opt: Register new pass.
* Makefile.in: Ditto.
* passes.c: Ditto.
* timevar.def: Ditto.
* tree-pass.h: Ditto.
* emit-rtl.c (make_jump_insn_raw): Remove forward decl.
* rtl.h (make_jump_insn_raw): Add forward decl.
* doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
Roger Sayle <roger@eyesopen.com>
* fold-const.c (fold_minmax): New static function.
(fold_binary) <MIN_EXPR>: Call it.
<MAX_EXPR>: Likewise.
* stor-layout.c (place_field): Use DECL_SIZE consistently
in the computation of the new record size.
2006-01-16 Kazu Hirata <kazu@codesourcery.com>
* cse.c (cse_condition_code_reg): Make it static.
* rtl.h: Remove the prototype for cse_condition_code_reg.
* combine.c (combine_instructions): Make it static.
* rtl.h: Remove the prototype for combine_instructions.
2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR target/25168
* tree.c (get_file_function_name_long): Concatenate the first global
object name with a string derived from the input filename of the object
for type "F".
2006-01-16 Ben Elliston <bje@au.ibm.com>
* config/i386/winnt-stubs.c: Update FSF address.
* config/xtensa/ieee754-df.S: Ditto.
* config/xtensa/ieee754-sf.S: Ditto.
2006-01-14 Ian Lance Taylor <ian@airs.com>
* ifcvt.c (noce_init_if_info): New static function, broken out of
noce_process_if_block.
(noce_process_if_block): Call noce_init_if_info.
(check_cond_move_block): New static function.
(cond_move_process_if_block): New static function.
(process_if_block): Call cond_move_process_if_block.
2006-01-15 Kazu Hirata <kazu@codesourcery.com>
* cselib.c (hash_table): Rename to cselib_hash_table.
(cselib_clear_table, discard_useless_values,
remove_useless_values, cselib_lookup_mem, cselib_lookup,
cselib_init, cselib_finish): Adjust uses of hash_table.
2006-01-14 Kazu Hirata <kazu@codesourcery.com>
PR tree-optimization/25485
* tree-vrp.c (extract_range_from_binary_expr): Handle cases
where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
is known to be false and true, respectively.
2006-01-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/22548
PR tree-optimization/22555
PR tree-optimization/22501
* Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
* params.def (salias-max-array-elements): New parameter.
* params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
* doc/invoke.texi (salias-max-array-elements): Document.
* tree-flow-inline.h (var_can_have_subvars): We also handle
arrays now.
* tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
COMPONENT_REF.
* tree-ssa-structalias.c (params.h): Include.
(push_fields_onto_fieldstack): Handle ARRAY_TYPE.
(find_func_aliases): Handle multiple constraints from ARRAY_REF.
(get_constraint_for): For ADDR_EXPR operating on something
containing an ARRAY_REF, add all subvars to the solution.
(handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
* tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
for creating MUST_DEFs.
(get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
functions.
(number_of_iterations_ne, number_of_iterations_lt_to_ne,
assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
number_of_iterations_le): New functions.
(number_of_iterations_special): Removed.
(number_of_iterations_exit): Do not use number_of_iterations_special.
* tree.c (unsigned_type_for): Always return integer type.
2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
Richard Guenther <rguenther@suse.de>
PR rtl-optimization/24257
* gcse.c (find_moveable_store): Only consider a store movable
when the SET_SRC of the insn can be assigned to a register.
2006-01-14 Ian Lance Taylor <ian@airs.com>
* tree.c (tree_not_class_check_failed): New function.
* tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
(tree_not_class_check_failed): Declare.
2006-01-13 Ian Lance Taylor <ian@airs.com>
* reload1.c (do_output_reload): Add assertion rejecting a
CALL_INSN.
2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
* combine.c (struct reg_stat): Add new fields truncation_label and
truncated_to_mode.
(record_value_for_reg): Reset truncated_to_mode.
(record_truncated_value): New function.
(check_promoted_subreg): Call it. Rename to check_conversions.
(combine_instructions): Rename check_promoted_subreg to
check_conversions.
(reg_truncated_to_mode): New function.
(make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
(gen_lowpart_or_truncate): New function.
(force_to_mode): Use it instead of gen_lowpart.
2006-01-13 Diego Novillo <dnovillo@redhat.com>
* tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
VAR is a tag, not its type tag.
2006-01-13 Alexandre Oliva <aoliva@redhat.com>
* config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
alternatives to match style of other entries.
(*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2006-01-13 Daniel Berlin <dberlin@dberlin.org>
PR tree-optimization/25771
* tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
SSA_NAMES.
2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/24365
* tree-inline.c (declare_return_variable): If the return variable
was marked as a non gimple complex, set the return slot variable
to be a non gimple comple variable.
2006-01-13 Richard Guenther <rguenther@suse.de>
* builtins.c (expand_builtin_sincos): New function.
(expand_builtin_mathfn_3): Remove dead code, sin and cos
do not set errno.
(expand_builtin): Expand sincos using expand_builtin_sincos.
2006-01-12 DJ Delorie <dj@redhat.com>
* config/m32c/shift.md: Rewrite: Allow arbitrary operands for
shift counts, separate SI shifts for m32c vs m16c, pass shift type
so that constant shifts can be split.
* config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
(m32c_valid_pointer_mode): Make static.
(shift_gen_func_for): New.
(m32c_prepare_shift): Use it. Split large const shifts into
multiple shifts.
* config/m32c/predicates.md (shiftcount_operand): Allow more
general operands.
(longshiftcount_operand): New.
* doc/md.texi (Machine Constraints): Document In6.
2006-01-13 Ben Elliston <bje@au.ibm.com>
* doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
documentation.
2006-01-12 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
to try to avoid clobbering pieces of structures when we know
something about the whole structure.
* tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2006-01-13 Ben Elliston <bje@au.ibm.com>
* doc/rtl.texi (Insns): Remove statement that libcalls cannot
return in memory, as this is no limitation is no longer present.
2006-01-12 DJ Delorie <dj@redhat.com>
* config/m32c/addsub.md (addhi3): Add two more alternatives, for
mova with fb, and for fb+0 -> An.
* config/m32c/mov.md (peephole2): Fix enabling logic.
* config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
FINI_ARRAY_SECTION_ASM_OP): Define.
* config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
variable.
(m32c_legitimize_reload_address): New logic to reload FB to An.
(m32c_output_reg_push): Add newline.
(m32c_output_reg_pop): Likewise.
2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
* struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
* config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2006-01-11 Kazu Hirata <kazu@codesourcery.com>
* config/sh/predicates.md (sh_rep_vec): Add parallel to
match_code.
2006-01-11 Ben Elliston <bje@au.ibm.com>
* rtlanal.c (find_reg_note): Assert insn is not null.
2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
* df-scan.c (df_hard_reg_init): Move declaration of i outside
ifdef.
2006-01-11 Jeff Law <law@redhat.com>
* tree-ssa-threadupdate.c (threaded_edges): New VEC to
hold edge pairs.
(mark_threaded_blocks, register_jump_thread): New functions.
(thread_through_all_blocks): Remove unwanted argument. No
longer rely on e->aux to communicate thread target info.
Call mark_threaded_blocks. Release the threaded_blocks
bitmap and threaded_edges vector when complete.
* tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
(threaded_blocks): Remove.
(tree_ssa_dominator_optimize): Remove initialization and
finalization of threaded_blocks. Simplify call to
thread_through_all_blocks.
(thread_across_edge): Call register_jump_thread rather than
storing thread information into e->aux.
(free_all_edge_infos): Simplify now that e->aux is no longer
used to communicate with thread_through_all_blocks.
* tree-flow.h (thread_through_all_blocks): Update prototype.
(register_jump_thread): Prototype.
2006-01-11 Kazu Hirata <kazu@codesourcery.com>
* df-core.c (df_compact_blocks, df_bb_replace): Use
SET_BASIC_BLOCK instead of BASIC_BLOCK.
2006-01-11 Richard Guenther <rguenther@suse.de>
PR tree-optimization/25734
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
stop propagation after successful propagation to the LHS.
2006-01-11 Kazu Hirata <kazu@codesourcery.com>
* basic-block.h (control_flow_graph): Change the type of
x_basic_block_info to VEC(basic_block,gc) *.
(BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
basic_block_info.
(SET_BASIC_BLOCK): New.
* cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
* cfgbuild.c (find_basic_blocks): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
* cfgrtl.c (create_basic_block_structure,
rtl_create_basic_block): Likewise.
* ifcvt.c (find_if_case_1): Likewise.
* tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
Likewise.
2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
* Makefile.in: Removed rotted odf.c entry.
2006-01-11 Hans-Peter Nilsson <hp@axis.com>
PR target/25706
* config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
output pattern modifier, not %e.
* config/cris/cris.c (cris_op_str): Update comment about pattern
modifier.
(cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
before falling through into...
<case 'E'>: Redefined from old 'e' case.
2006-01-11 Jan Hubicka <jh@suse.cz>
PR target/25042
* i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2006-01-11 Jan Hubicka <jh@suse.cz>
* i386.h (TARGET_DECOMPOSE_LEA): Kill.
* i386.c (x86_decompose_lea): Kill.
(ix86_rtx_costs): Kill.
2006-01-11 Jan Hubicka <jh@suse.cz>
* cgraph.c (cgraph_insert_node_to_hashtable): New function.
* cgraph.h (cgraph_node): Add inline_decl.
(cgraph_insert_node_to_hashtable): Declare.
(save_inline_function_body): Declare.
* cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
clones.
(cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
(cgraph_function_versioning): Update call of tree_function_versioning.
(save_inline_function_body): New function.
* function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
* ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
(cgraph_default_inline_p): Likewise.
(cgraph_decide_inlining_incrementally): Likewise.
* tree-inline.c (inline_data): Kill saving_p add update_clones_p.
(copy_bb): Kill saving; do updating of clones.
(copy_cfg_body): Kill saving.
(initialize_inlined-parameters): Likewise.
(expand_call_inline): Likewise.
(save_body): Kill.
(tree_function_versioning): New parameter "update_clones".
(inlining_p): Kill saving.
* tree-inline.h (tree_function_versioning): Update prototype.
* tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
saving.
2006-01-11 Ian Lance Taylor <ian@airs.com>
* combine.c (struct undo): Remove is_int. Enumify types of undos.
Allow undoing set of machine mode.
(do_SUBST): Use enums instead of is_int.
(do_SUBST_MODE): New function.
(SUBST_MODE): New macro.
(try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
reg and trying to replace reg_regno_rtx with a new register.
(undo_all): Use new enums, handle undoing a PUT_MODE change.
(simplify_set): Use SUBST_MODE.
(distribute_notes): Remove code that tried to update reg notes
for regno_reg_rtx changes.
2006-01-11 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/23109
PR tree-optimization/23948
PR tree-optimization/24123
* Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
* tree-cfg.c (single_noncomplex_succ): New.
* tree-flow.h (single_noncomplex_succ): Declare it.
* tree-ssa-math-opts.c (enum place_reciprocal): Remove.
* tree-ssa-math-opts.c (enum place_reciprocal): Remove.
(struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
insert_bb, register_division_in, insert_reciprocals,
replace_reciprocal, free_bb): New.
(execute_cse_reciprocals_1): Rewritten.
(execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
Do not commit any edge insertion. Always compute dominators and
create the allocation pool.
* target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
* target.h (struct gcc_target): Add min_divistions_for_recip_mul.
* targhooks.c (default_min_divistions_for_recip_mul): New.
* targhooks.h (default_min_divistions_for_recip_mul): New prototype.
* passes.c (init_optimization_passes): Run recip after tree loop
optimizations.
* doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2006-01-11 Danny Berlin <dberlin@dberlin.org>
Kenneth Zadeck <zadeck@naturalbridge.com>
* df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
DF_SCAN_POST_ALLOC): New macros.
(df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
df_free_bb_function, df_local_compute_function, df_init_function,
df_dataflow_function, df_confluence_function_0,
df_confluence_function_n, df_transfer_function,
df_finalizer_function, df_free_function, df_dump_problem_function,
df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
df_urec_bb_info, ) New types.
(df_invalidated_by_call, df_all_hard_regs, df_state) New public
variables.
(df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
df_analyze_simple_change_some_blocks,
df_analyze_simple_change_one_block, df_compact_blocks,
df_bb_replace, df_bb_regno_last_use_find,
df_bb_regno_first_def_find, df_bb_regno_last_def_find,
df_insn_regno_def_p, df_find_def, df_find_use,
df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
debug_df_chain, df_get_dependent_problem, df_chain_create,
df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
df_grow_bb_info, df_chain_dump, df_print_bb_index,
df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
df_rescan_blocks, df_ref_create, df_get_artificial_defs,
df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
df_ref_remove, df_insn_refs_delete, df_refs_delete,
df_reorganize_refs, df_set_state, df_hard_reg_init,
df_read_modify_subreg_p) New public functions.
* df-core.c: The core dataflow solver and glue routines for rtl
dataflow.
(df_init, df_add_problem, df_set_blocks, df_finish,
df_hybrid_search_forward, df_hybrid_search_backward,
df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
df_bb_regno_last_use_find, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
df_reg_defined, df_find_use, df_reg_used, df_dump,
df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
debug_df_useno, reset_df_after_reload): New functions.
* df-scan.c: The scanning fuctions, once in df.c, completely
rewritten so that they now fully model the functionality of
register usage at the backend.
(df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
df_grow_insn_info, df_rescan_blocks, df_ref_create,
df_get_artificial_defs, df_get_artificial_uses,
df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
df_refs_delete, df_reorganize_refs, df_set_state,
df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
df_def_record_1, df_defs_record, df_uses_record,
df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
df_record_exit_block_uses, df_hard_reg_init): New functions.
* df-problems.c: Seven concrete dataflow problems that use the
scanning in df-scan.c and are solved by the engine in df-core.c.
(df_get_dependent_problem, df_chain_create, df_chain_unlink,
df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
df_ru_free_bb_info, df_ru_alloc,
df_ru_bb_local_compute_process_def,
df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
df_ru_transfer_function, df_ru_free, df_ru_dump,
df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
df_rd_free_bb_info, df_rd_alloc,
df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
df_rd_transfer_function, df_rd_free, df_rd_dump,
df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
df_lr_local_compute, df_lr_init, df_lr_confluence_0,
df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
df_urec_mark_reg_change, df_urec_check_earlyclobber,
df_urec_mark_reg_use_for_earlyclobber,
df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
df_urec_local_compute, df_urec_init, df_urec_local_finalize,
df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
df_urec_dump, df_urec_add_problem, df_chain_alloc,
df_chain_create_bb_process_use, df_chain_create_bb,
df_chain_finalize, df_chain_free, df_chains_dump,
df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
df_reg_lifetime): New functions.
* df.c: Deleted file.
* ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
consistent with new df api.
* modulo-sched.c (sms_schedule, rest_of_handle_sms,
rest_of_handle_sms): Ditto.
* web.c (unionfind_union, union_defs, entry_register, web_main):
Ditto.
* loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
invariant_expr_equal_p, find_defs, check_dependencies,
find_invariant_insn, find_invariants_to_move, move_invariant_reg,
free_inv_motion_data, move_loop_invariants): Ditto.
* Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
Update dependencies.
(odf.c): Added defective entry that was deleted later in day.
* sched-deps.c (sched_analyze_1): Ditto.
2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
* tree-ssa-operands.c (get_expr_operands): Record addressable
variables directly. Do not call add_stmt_operands for CONST_DECLs
and ARRAY_DECLs.
(get_indirect_ref_operands): Remove handling of *(&a + offset) case.
(add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2006-01-11 Ben Elliston <bje@au.ibm.com>
* config/i386/i386.c (ix86_return_in_memory): Fix comment: this
function returns true in the positive case.
2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR target/20754
* config/pa/pa.md: Create separate 32 and 64-bit move patterns
for SI, DI, SF and DF modes. Add alternatives to copy between
general and floating point registers to the 32-bit patterns.
* config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
* config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
(SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
generating 64-bit code.
* config/pa/pa.c (output_move_double): Handle copies between general
and floating registers.
2006-01-10 Stuart Hastings <stuart@apple.com>
* config/i386/i386.md (set_got): Update.
(set_got_labelled): New. (UNSPEC_LD_MPIC): New.
(builtin_setjmp_receiver): Mach-O support.
* config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
(GOT_SYMBOL_NAME): Define.
(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
(TARGET_DEEP_BRANCH_PREDICTION): Remove.
* config/i386/i386.c (override_options): Revise for Darwin.
(USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
support. (darwin_x86_file_end): New. (output_set_got): Add label
parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
* config/i386/i386-protos.h (output_set_got): Likewise.
* config/darwin.c (machopic_legitimize_pic_address): Update
regs_ever_live[].
2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
when MODE isn't BLKmode.
2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
PR rtl-optimization/25367
* config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2006-01-10 Hans-Peter Nilsson <hp@axis.com>
PR target/25718
* config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
for a negative bound.
2006-01-10 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (get_constraint_for_component_ref):
Never override with anything constraint.
2006-01-10 Jan Beulich <jbeulich@novell.com>
* config/i386/i386.c (ix86_data_alignment): Don't force alignment to
256 bits when optimize_size.
2006-01-10 Jan Beulich <jbeulich@novell.com>
* config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
MASK_ALIGN_DOUBLE.
* config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
* config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
arguments.
2006-01-10 Ben Elliston <bje@au.ibm.com>
* config/rs6000/predicates.md (easy_fp_constant): Discount decimal
float modes.
* config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
(TARGET_SCALAR_MODE_SUPPORTED_P): Define.
(USE_FP_FOR_ARG): Reject decimal float modes.
(function_arg_advance): Likewise.
(output_toc): Handle emitting TDmode, DDmode and SDmode constants.
(rs6000_handle_altivec_attribute): Do not permit decimal floating
point types in AltiVec vectors.
(rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
(rs6000_libcall_value): Likewise.
2006-01-09 Bob Wilson <bob.wilson@acm.org>
* config/xtensa/ieee754-df.S: New file.
* config/xtensa/ieee754-sf.S: New file.
* config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
(LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
* config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2006-01-09 Kazu Hirata <kazu@codesourcery.com>
* config/sh/predicates.md (binary_float_operator,
binary_logical_operator, commutative_float_operator,
equality_comparison_operator, greater_comparison_operator,
less_comparison_operator, logical_operator,
noncommutative_float_operator, shift_operator,
symbol_ref_operand, unary_float_operator): Remove redundant
conditionals.
2006-01-09 Jeff Law <law@redhat.com>
* tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
code to propagate the RHS of a cast into COND_EXPR_COND. Remove
now unused arguments. Callers updated.
(eliminate_redundant_computations): Remove now unused arguments,
callers updated.
(local_fold): Remove, no longer used.
(find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
and moved to...
* tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
(simplify_cond): New function.
(forward_propagate_into_cond): Call simplify_cond.
2006-01-09 Alexandre Oliva <aoliva@redhat.com>
* config/i386/sse.md (*vec_extractv2di_1_sse2): New.
(*vec_extractv2di_1_sse): New.
2006-01-09 Ben Elliston <bje@au.ibm.com>
* config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2006-01-08 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (get_constraint_for): Remove
anyoffset argument.
(get_constraint_for_component_ref): Likewise.
(do_deref): Likewise.
(get_constraint_for): Likewise.
(do_structure_copy): Likewise.
(handle_ptr_arith): Likewise.
(find_func_aliases): Likewise. Remove unused need_anyoffset
variable.
2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (CONST_OK_FOR_K16): Define.
(CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
(EXTRA_CONSTRAINT_C16): Remove.
(EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
(EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
* config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
constants of SHmedia. Handle nested constant expressions of
SHmedia correctly.
(andcosts): Fix the costs for SHmedia constants.
(sh_rtx_costs): Take account of outer_code for SHmedia constants.
* config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
(*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
(*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
(movv4hi_i, movv2si_i): Likewise.
(movsi_const): Adjust the second operand of ior so to match with
the Csu constraint.
(movdi_const, movdi_const_32bit): Likewise.
(movdi_const_16bit+1): Don't sign-extend LOW.
(movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
step.
(*double_shori): Fix the split condition. Use GEN_INT instead
of get_int_mode calls. Mask lower 16-bit of the argument of
the last GEN_INT.
(sym2GOTPLT): Remove.
(symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
gen_rtx_UNSPEC.
* config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
instead of EXTRA_CONSTRAINT_C16.
2006-01-07 Ian Lance Taylor <ian@airs.com>
David Edelsohn <edelsohn@gnu.org>
PR rtl-optimization/25662
* optabs.c (simplify_expand_binop): Use simplify_binary_operation
for constant operands instead of simplify_gen_binary.
* simplify-rtx.c (simplify_gen_binary): Swap commutative operands
after trying simplify_binary_operation
2006-01-06 Daniel Berlin <dberlin@dberlin.org>
* tree.c (iterative_hash_expr): Hash decls based on UID.
2006-01-06 Eric Christopher <echristo@apple.com>
* doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
(TARGET_UNWIND_EMIT): Fix spelling.
* target.h (gcc_target): Add except_table_label.
* except.c (output_function_exception_table): Use.
* varasm.c (default_emit_except_table_label): New.
* target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
define.
(asm_out): Add here.
* output.h (default_emit_except_table_label): Prototype.
* config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
* config/darwin.c (darwin_emit_except_table_label): Define.
* config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
PR tree-optimization/18527
* tree-ssa-loop-niter.c (number_of_iterations_cond,
number_of_iterations_special, number_of_iterations_exit):
Move base and step of an iv to a single structure. Add
no_overflow flag, and use it in # of iterations analysis.
* tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
folded_casts argument.
(simple_iv): Pass base and step in a structure. Set no_overflow
flag.
(scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
Evaluate expensiveness of computing # of iterations instead of
the final expression.
* tree-scalar-evolution.h (affine_iv): New structure.
(simple_iv): Declaration changed.
* tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
* tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
find_givs_in_stmt): Changed due to simple_iv change.
2006-01-06 Jeff Law <law@redhat.com>
PR ada/24994
* tree-cfg.c (bsi_replace): Rename final argument from
PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
change (stmt -> orig_stmt).
* tree-eh.c (verify_eh_throw_stmt_node): New function.
(bsi_remove): Add new argument. Remove EH information
if requested.
(verify_eh_throw_table_statements): New function.
(bsi_remove): Add new argument REMOVE_EH_INFO. All callers
updated.
* tree-optimize.c (execute_free_cfg_annotations): Verify
the EH throw statement table after removing annotations.
* except.h (verify_eh_throw_table_statements): Prototype.
* tree-flow.h (bsi_remove): Update prototype.
* tree-vrp.c (remove_range_assertions): Add new argument to
bsi_remove call.
* tree-ssa-loop-im.c (move_computations_stmt): Likewise.
* tree-complex.c (expand_complex_div_wide): Likewise.
* tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
* tree-tailcall.c (eliminate_tailcall): Likewise.
* tree-ssa-dse.c (dse_optimize_stmt): Likewise.
* tree-ssa-loop-ivopts.c (remove_statement): Likewise.
* tree-nrv.c (tree_nrv): Likewise.
* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
* tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
(combine_blocks): Likewise.
* tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
* tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
(cleanup_control_flow): Likewise.
(remove_forwarder_block): Likewise.
* tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
* tree-sra.c (sra_replace): Likewise.
* tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
(forward_propagate_single_use_vars): Likewise.
* tree-ssa-dce.c (remove_dead_stmt): Likewise.
* tree-inline.c (expand_call_inline): Likewise.
* tree-vect-transform.c (vect_transform_loop): Likewise.
* tree-outof-ssa.c (rewrite_trees): Likewise.
* tree-cfg.c (make_goto_expr_edges): Likewise.
(cleanup_dead_labels): Likewise.
(tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
(bsi_move_before, bsi_move_after): Likewise.
(bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
(tree_redirect_edge_and_branch, tree_split_block): Likewise.
2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/25528
* tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
and IMAGPART_EXPR.
* tree-flow-inline.h (var_can_have_subvars): Handle complex types
on non gimple variables. Also add checks at the top for decls and
mtags.
* tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
complex types.
* tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
and IMAGPART_EXPR for creating MUST_DEFs.
(get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
and NAME_MEMORY_TAG separately from the DECLs.
2006-01-06 Richard Guenther <rguenther@suse.de>
* tree-dfa.c (mark_new_vars_to_rename): Create stmt
annotation, if necessary.
* tree-ssa-pre.c (create_expression_by_pieces): Remove
redundant calls to update_stmt.
* tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
Likewise.
2006-01-05 Richard Henderson <rth@redhat.com>
* c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
* c-typeck.c: Update copyright date.
2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
* c-typeck.c (build_c_cast): Always warn when casting
from a pointer to an integer of different size, even if
the node was constant.
2006-01-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/22555
* tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
if one structure field is an array.
* tree-ssa-operands.c (get_expr_operands): Continue scanning
operands even if we found a subvar, but ignore VOPs in this
case.
* tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
for renaming.
* tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2006-01-05 Richard Earnshaw <rearnsha@arm.com>
PR middle-end/24998
* arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2006-01-05 Richard Guenther <rguenther@suse.de>
Diego Novillo <dnovillo@redhat.com>
* tree-pass.h (TODO_remove_unused_locals): Define.
* gimple-low.c (expand_var_p, remove_useless_vars,
pass_remove_useless_vars): Remove. Update all users.
* tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
(remove_unused_locals): New function.
* tree-flow.h (remove_unused_locals): Declare.
* passes.c (execute_todo): Call remove_unused_locals if
TODO_remove_unused_locals is set.
* tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
* tree-ssa-dce.c (pass_dce): Likewise.
* tree-outof-ssa.c (pass_del_ssa): Likewise.
2006-01-05 Richard Guenther <rguenther@suse.de>
* tree-flow.h (struct fieldoff): Decompose field to
type, size and decl.
* tree-ssa-alias.c (create_sft): Take type as parameter.
(create_overlap_variables_for): Store type, size and decl
in the fieldoff structure.
* tree-ssa-structalias.c (fieldoff_compare): Adjust users
of struct fieldoff.
(push_fields_onto_fieldstack): Likewise.
(create_variable_info_for): Likewise. Use offset for the
SFT name if the decl is not available.
2006-01-04 Paul Brook <paul@codesourcery.com>
* config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2006-01-04 Daniel Berlin <dberlin@dberlin.org>
* lambda-code.c (can_put_in_inner_loop): Relax
restrictions.
(can_put_after_inner_loop): New function.
(can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
(perfect_nestify): Change to make copies and modify uses.
2006-01-04 Richard Henderson <rth@redhat.com>
Merge from gomp branch:
* c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
via integer constant.
(pragma_lex): Remove.
* c-pch.c (c_common_pch_pragma): Accept the name as an argument,
rather than parsing it.
* c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
handle_pragma_extern_prefix): Add %< %> quotes.
(registered_pragmas): New.
(c_register_pragma_1): New.
(c_register_pragma): Use it.
(c_register_pragma_with_expansion): Likewise.
(c_invoke_pragma_handler): New.
(init_pragma): Use cpp_register_deferred_pragma directly for
pch_preprocess.
* c-pragma.h (enum pragma_kind): New.
(pragma_handler): New.
(c_invoke_pragma_handler): Declare.
* c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
CPP_PRAGMA_EOL.
* c-common.h (c_common_pch_pragma): Update decl.
* Makefile.in (c-parser.o): Update dependencies.
(GTFILES): Add c-pragma.h.
* c-parser.c (struct c_token): Add pragma_kind.
(struct c_parser): Add in_pragma.
(c_lex_one_token): Always initialize keyword and pragma_kind.
Extract data for CPP_PRAGMA.
(c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
(c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
Don't allow CPP_PRAGMA_EOL if in_pragma.
(c_parser_consume_pragma): New.
(c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
(c_parser_skip_to_end_of_parameter): Likewise.
(c_parser_skip_to_end_of_block_or_statement): Likewise.
(c_parser_skip_to_pragma_eol): New.
(c_parser_external_declaration): Handle CPP_PRAGMA.
(c_parser_compound_statement_nostart): Likewise.
(c_parser_statement_after_labels): Likewise.
(c_parser_pragma): New.
(pragma_lex): Likewise.
(c_parser_pragma_pch_preprocess): New.
(c_parser_new): Merge into ...
(c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2006-01-04 Jeff Law <law@redhat.com>
PR ada/24994
* tree-cfg.c (bsi_replace): Remove the original statement
from the EH throw statement table.
2006-01-04 Jakub Jelinek <jakub@redhat.com>
* config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
make the prototype extern "C" and add throw ().
PR target/25554
* config/i386/i386.md (testqi_ext_3): Ensure len is positive
and pos non-negative and pos + len <= 32.
(testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
drop pos + len < HOST_BITS_PER_WIDE_INT test.
(testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
PR c/25559
* c-common.c (handle_vector_size_attribute): Reject zero vector size
as well as sizes not multiple of component size.
PR debug/25562
* function.c (instantiate_expr): New function.
(instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
walk its DECL_VALUE_EXPR with instantiate_expr.
* dwarf2out.c (loc_descriptor_from_tree_1): Don't add
DW_OP_deref{,_size} if address isn't going to be added.
2006-01-04 Ben Elliston <bje@au.ibm.com>
* config/fp-bit.h: Use top-of-file comment from libgcc2.c.
* config/fp-bit.c: Likewise.
2006-01-03 Daniel Berlin <dberlin@dberlin.org>
* dominance.c: Add comment about why we use DFS numbering
of dominance tree.
2006-01-03 Jakub Jelinek <jakub@redhat.com>
Richard Henderson <rth@redhat.com>
Merge from gomp-branch:
* varasm.c (assemble_variable): Handle thread-local COMMON data.
* defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2006-01-03 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/25578
* combine.c (combine_simplify_rtx, force_to_mode): Don't
pass a parameter to simplify_shift_const if changing ASHIFTRT
to LSHIFTRT.
2006-01-03 Adrian Straetling <straetling@de.ibm.com>
* builtins.c (get_builtin_sync_mem): New function.
(expand_builtin_sync_operation, expand_builtin_compare_and_swap,
expand_builtin_lock_test_and_set, expand_builtin_lock_release):
Call get_builtin_sync_mem to generate mem rtx.
2006-01-03 Richard Guenther <rguenther@suse.de>
PR c/25183
* stmt.c (add_case_node): Make sure to clear overflow flags
from ranges.
2006-01-03 Jakub Jelinek <jakub@redhat.com>
Merge from gomp-branch.
* config/sparc/sync.md: New file.
* config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
UNSPECV_LDSTUB): New constants.
* config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
* config/sparc/predicates.md (memory_reg_operand): New predicate.
* config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
prototype.
2006-01-03 Roger Sayle <roger@eyesopen.com>
* combine.c (reg_subword_p): New predicate to test whether the
destination of a set refers to a subword/piece of a register.
(try_combine): Generalize the code to merge the setting of a
pseudo to a constant followed by a set of a subword of that
register to a constant.
2006-01-03 Kazu Hirata <kazu@codesourcery.com>
* basic-block.h (control_flow_graph): Change the type of
x_label_to_block_map to VEC(basic_block,gc) *.
* tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
* tree-ssa-propagate.c (cfg_blocks): Change the type to
VEC(basic_block,heap) *.
(cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
ssa_prop_fini): Adjust the uses of cfg_blocks.
2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
* fold-const.c (operand_equal_p): Accept a NULL operand 0 for
COMPONENT_REFs.
* emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
hashing trees instead of a pointer hash.
(mem_attrs_htab_eq): Do a deep compare instead of a pointer
compare for MEM_EXPR.
PR rtl-optimization/25130
* cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
when comparing MEMs for GCSE
2006-01-03 Ben Elliston <bje@au.ibm.com>
* targhooks.h (default_decimal_float_supported_p): Declare.
* targhooks.c (default_decimal_float_supported_p): Define.
* target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
`default_decimal_float_supported_p'.
* doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
* combine.c (apply_distributive_law <SUBREG>): Check
TRULY_NOOP_TRUNCATION.
2006-01-02 Geoffrey Keating <geoffk@apple.com>
* dwarf2out.c (have_switched_text_section): Delete.
(have_multiple_function_sections): New.
(have_location_lists): Make 'bool'.
(add_AT_loc_list): Use 'true' not '1'.
(dwarf2out_switch_text_section): Set have_multiple_function_sections.
(output_loc_list): Use have_multiple_function_sections.
(output_ranges): Likewise.
(dwarf2out_begin_function): Set have_multiple_function_sections if
necessary.
(dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
Check function_section rather than DECL_SECTION_NAME.
(dwarf2out_finish): Use have_multiple_function_sections.
Don't clear have_location_lists.
2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
Jan Hubicka <jh@suse.cz>
* cfglayout.c (fixup_reorder_chain): Remove kludge for the
case of conditional jump jumping to the next instruction.
* cfgrtl.c (force_nonfallthru_and_redirect): Accept all
cases of conditional jump jumping to the next instruction.
2006-01-02 Jan Hubicka <jh@suse.cz>
* i386.c (*_cost): Add COSTS_N_INSNS.
(ix86_rtx_costs): Do not use COSTS_N_INSNS.
2006-01-02 Paolo Bonzini <bonzini@gnu.org>
PR target/25259
* Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
* config/arm/arm.c (all_fpus): Fix comment typo.
* config/darwin.c: Likewise.
* config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
* config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
* config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2006-01-01 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
(rs6000_split_compare_and_swapqhi): New.
* config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
(sync_compare_and_swapqhi_internal): New.
* config/rs6000/rs6000-protos.h: Declare.
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