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|
2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
PR target/39445
* config/i386/i386.c (ix86_expand_push): Don't set memory
alignment.
2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
PR target/39327
* config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
(avx_addsubv4df3): Likewise.
(*avx_addsubv4sf3): Likewise.
(sse3_addsubv4sf3): Likewise.
2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
PR target/38824
* config/i386/i386.md: Compare REGNO on the new peephole2
patterns.
2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
PR debug/39432
* ira-int.h (struct allocno): Fix comment for calls_crossed_num.
* ira-conflicts.c (ira_build_conflicts): Prohibit call used
registers for allocnos created from user-defined variables.
2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
PR target/39181
* config/spu/spu.c (spu_expand_mov): Handle invalid subregs
of non-integer mode as well.
2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
* gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
for functions for which the parameter types are unknown.
2009-03-11 Jakub Jelinek <jakub@redhat.com>
PR target/39137
* cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
macro.
* defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
* config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
* config/i386/i386.c (ix86_local_alignment): For
-m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
long long variables on the stack to avoid dynamic realignment.
Allow the first argument to be a decl rather than type.
* doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
2009-03-11 Nick Clifton <nickc@redhat.com>
PR target/5362
* config/mcore/mcore.opt: Remove deprecated m4align and m8align
options.
Add description to mno-lsim option.
* config/mcore/mcore.h: Remove comment about deprecated m4align
option.
(TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
* doc/invoke.texi: Add description of mno-lsim and
mstack-increment options.
* config/fr30/fr30.opt: Document the -mno-lsim option.
* doc/invoke.texi: Add descriptions of the FR30's -msmall-model
and -mno-lsim options.
2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* fold-const.c (fold_comparison): Only call fold_inf_compare
if the mode supports infinities.
2009-03-11 Jason Merrill <jason@redhat.com>
PR debug/39086
* tree-nrv.c (tree_nrv): Don't do this optimization if the front
end already did. Notice GIMPLE_CALL modifications of the result.
Don't copy debug information from an ignored decl or a decl from
another function.
2009-03-10 Richard Guenther <rguenther@suse.de>
Nathan Froyd <froydnj@codesourcery.com>
PR middle-end/37850
* libgcc2.c (__mulMODE3): Use explicit assignments to form the
result.
(__divMODE3): Likewise.
2009-03-09 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/39394
* gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
DECL_SIZE_UNIT of variable length FIELD_DECLs.
2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* recog.c (verfiy_changes): Disallow renaming of hard regs in
inline asms for register asm ("") declarations.
2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
* fold-const.c (fold_unary): Fix comment.
2009-03-07 Jan Hubicka <jh@suse.cz>
PR target/39361
* tree-inline.c (setup_one_parameter): Do replacement of const argument
by constant in SSA form.
2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
PR middle-end/38028
* function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
determine alignment passed to assign_stack_local.
(assign_parms_unsplit_complex): Likewise.
* except.c (sjlj_build_landing_pads): Likewise.
2009-03-06 Jakub Jelinek <jakub@redhat.com>
PR middle-end/39360
* tree-flow.h (add_referenced_var): Return bool instead of void.
* tree-dfa.c (add_referenced_var): Return result of
referenced_var_check_and_insert call.
* tree-inline.c (expand_call_inline): Call add_referenced_var instead
of referenced_var_check_and_insert.
PR debug/39372
* dwarf2out.c (add_abstract_origin_attribute): Return
origin_die.
(gen_variable_die): Emit DW_AT_location on abstract static variable's
DIE, don't emit it if abstract origin already has it.
* tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
* genpreds.c: (needs_variable): Fix parentheses at variable name
detection.
(write_tm_constrs_h): Indent generated code.
2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
* doc/extend.texi (Function Attributes): Add documentation
for isr attributes.
2009-03-06 Jakub Jelinek <jakub@redhat.com>
PR debug/39387
* dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
take locus from its DECL_SOURCE_LOCATION instead of input_location.
2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
the loop as bad.
2009-03-05 Jakub Jelinek <jakub@redhat.com>
PR debug/39379
* tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
with blocks containing IMPORTED_DECLs in BLOCK_VARS.
2009-03-05 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (R8_REG, R9_REG): New constants.
* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
constants instead of magic numbers.
(HARD_REGNO_CALLER_SAVE_MODE): Ditto.
(QI_REG_P): Ditto.
* config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
(x86_64_ms_abi_int_parameter_registers): Ditto.
(x86_64_int_return_registers): Ditto.
(ix86_maybe_switch_abi): Ditto.
(ix86_expand_call): Ditto for clobbered_registers array.
(ix86_hard_regno_mode_ok): Ditto.
(x86_extended_QIreg_mentioned_p): Ditto.
2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
PR tree-optimization/39349
* cse.c (cse_insn): Fix loop to stop at VOIDmode.
* combine.c (gen_lowpart_for_combine): Use omode when generating
clobber.
2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
PR rtl-optimization/39235
* loop-iv.c (get_simple_loop_desc): Use XCNEW.
2009-03-04 Zdenek Dvorak <ook@ucw.cz>
* graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
2009-03-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39362
* tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
that occur in abnormal PHIs should be varying.
2009-03-04 Zdenek Dvorak <ook@ucw.cz>
* tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
Extend comments.
(simple_iv): Take loop as an argument instead of statement.
* tree-scalar-evolution.h (simple_iv): Declaration changed.
* tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
to simple_iv.
* tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
Ditto.
* tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
* matrix-reorg.c (analyze_transpose): Ditto.
* tree-data-ref.c (dr_analyze_innermost): Ditto.
* tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
* tree-predcom.c (ref_at_iteration): Ditto.
* tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
2009-03-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39358
* tree-ssa-structalias.c (do_sd_constraint): Fix check for
escaped_id and callused_id.
(solve_graph): Likewise.
2009-03-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39339
* tree-sra.c (try_instantiate_multiple_fields): Make it
no longer ICE on the above.
2009-03-03 Joseph Myers <joseph@codesourcery.com>
* emit-rtl.c (adjust_address_1): Reduce offset to a signed value
that fits within Pmode.
2009-03-03 Steve Ellcey <sje@cup.hp.com>
PR middle-end/10109
* tm.texi (LIBCALL_VALUE): Update description.
2009-03-03 Steve Ellcey <sje@cup.hp.com>
PR middle-end/34443
* doc/extend.texi (section): Update description.
2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
PR middle-end/39345
* tree-inline.c (remapped_type): New.
(can_be_nonlocal): Call remapped_type instead of remap_type.
2009-03-03 Jakub Jelinek <jakub@redhat.com>
PR fortran/39354
* gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
2009-03-03 Richard Guenther <rguenther@suse.de>
PR middle-end/39272
* tree.c (tree_nonartificial_location): New function.
* tree.h (tree_nonartificial_location): Declare.
* builtins.c (expand_builtin_memory_chk): Provide location
of the call location for artificial function pieces.
(maybe_emit_chk_warning): Likewise.
(maybe_emit_sprintf_chk_warning): Likewise.
(maybe_emit_free_warning): Likewise.
* expr.c (expand_expr_real_1): Likewise.
2009-03-03 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/39343
* tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
COMPONENT_REF t has ARRAY_TYPE.
2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/39335
* tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
when the type precision of the induction variable should be
larger than the type precision of nit.
(gen_parallel_loop): Update use of canonicalize_loop_ivs.
* graphite.c (graphite_loop_normal_form): Same.
* tree-flow.h (canonicalize_loop_ivs): Update declaration.
2009-03-02 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (ST?_REG, MM?_REG): New constants.
(*call_1_rex64_ms_sysv): Use named constants instead of magic
numbers to describe clobbered registers.
(*call_value_0_rex64_ms_sysv): Ditto.
* config/i386/mmx.md (mmx_emms): Ditto.
(mmx_femms): Ditto.
2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
* config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
of ABI_64.
2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
(spu_section_type_flags): New function.
2009-03-02 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
reg_class_contents of FLOAT_REGS into a temporary.
2009-03-02 Richard Guenther <rguenther@suse.de>
Ira Rosen <irar@il.ibm.com>
PR tree-optimization/39318
* tree-vect-transform.c (vectorizable_call): Transfer the EH region
information to the vectorized statement.
2009-03-01 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
variable. Use defined names instead of magic constants for REX SSE
registers.
2009-03-01 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39331
* omp-low.c (lower_send_shared_vars): Do not receive new
values for the reference of DECL_BY_REFERENCE parms or results.
2009-03-01 Jan Hubicka <jh@suse.cz>
PR debug/39267
* tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
BLOCK_NONLOCALIZED_VAR): New macros.
(tree_block): Add nonlocalized_vars.
* dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
gen_decl_die): Add origin argument. Allow generation of die with
origin at hand only.
(gen_member_die, gen_type_die_with_usage, force_decl_die,
declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
of gen_*.
(gen_block_die): Fix checking for unused blocks.
(process_scope_var): Break out from .... ; work with origins only.
(decls_for_scope) ... here; process nonlocalized list.
(dwarf2out_ignore_block): Look for nonlocalized vars.
* tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
vars.
(dump_scope_block): Dump them.
* tree-inline.c (remap_decls): Handle nonlocalized vars.
(remap_block): Likewise.
(can_be_nonlocal): New predicate.
(copy_bind_expr, copy_gimple_bind): Update use of remap_block.
2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* configure: Regenerate.
2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* optc-gen.awk: No need to duplicate option flags twice.
Reuse help texts for duplicate options which do not have
any.
* gcc.c (display_help): Document --version.
* gcc.c (main): If print_help_list and verbose_flag, ensure
driver output comes before subprocess output.
* optc-gen.awk: Assign all remaining fields to help string,
space-separated, for multi-line help in *.opt.
* doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
-Wno-pedantic-ms-format is for MinGW targets only.
* doc/options.texi (Option file format): Fix bad indentation,
restoring dropped sentence.
2009-02-28 Jan Hubicka <jh@suse.cz>
* tree-inline.c (tree_function_versioning): Output debug info.
2009-02-28 Jan Hubicka <jh@suse.cz>
PR debug/39267
* tree-inline.c (setup_one_parameter): Do not copy propagate
arguments when not optimizing.
2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
PR target/39327
* config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
(avx_addsubv4df3): Likewise.
(*avx_addsubv4sf3): Likewise.
(sse3_addsubv4sf3): Likewise.
(*avx_addsubv2df3): Likewise.
(sse3_addsubv2df3): Likewise.
(avx_unpckhps256): Correct item selectors.
(avx_unpcklps256): Likewise.
(avx_unpckhpd256): Likewise.
(avx_unpcklpd256): Likewise.
2009-02-28 Jan Hubicka <jh@suse.cz>
* tree-inline.c (expand_call_inline): Avoid duplicate declarations of
static vars.
(copy_arguments_for_versioning): If var is declared don't declare it.
(tree_function_versioning): First setup substitutions and then copy
args.
2009-02-27 Jan Hubicka <jh@suse.cz>
PR debug/39267
* cgraph.h (varpool_output_debug_info): Remove.
* cgraphunit.c (varpool_output_debug_info): Remove.
* dwarf2out.c (deferred_locations_struct): New struct
(deferred_locations): New type.
(deferred_locations_list): New static var.
(deffer_location): New function.
(gen_variable_die): Use it.
(decls_for_scope): Output info on local static vars.
(dwarf2out_finish): Process deferred locations.
* varpool.c (varpool_output_debug_info): Remove.
2009-02-27 Jan Hubicka <jh@suse.cz>
PR debug/39267
* tree.h (TREE_PROTECTED): Fix comment.
(BLOCK_HANDLER_BLOCK): Remove.
(struct tree_block): Remove handler_block add body_block.
(inlined_function_outer_scope_p): New.
(is_body_block): Remove.
* dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
* dwarf2out.c (is_inlined_entry_point): Remove.
(add_high_low_attributes): Use inlined_function_outer_scope_p.
(gen_block_die): Use is_inlined_entry_point check. Remove body block
code.
* langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
* gimplify.c (gimplify_expr): Gimplify body blocks.
* tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
block with multiple subblocks.
(dump_scope_block): Prettier output; dump more flags and info.
(dump_scope_blocks): New.
(remove_unused_locals): Use dump_scope_blocks.
* tree-flow.h (dump_scope_blocks): Declare.
* tree-cfg.c (execute_build_cfg): Dump scope blocks.
* stmt.c (is_body_block): Remove.
* tree-inline.c (remap_block): Copy BODY_BLOCK info.
* langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/39308
* graphite.c (graphite_loop_normal_form): Do not call
number_of_iterations_exit from a gcc_assert.
2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
jumps if COND is NULL.
(find_cond_jump): New function.
(s390_z10_optimize_cmp): Handling for reg-reg compares added.
* gcc/config/s390/s390.md: Remove z10_cobra attribute value.
2009-02-26 Uros Bizjak <ubizjak@gmail.com>
* config/alpha/alpha.h (alpha_expand_mov): Return false if
force_const_mem returns NULL_RTX.
2009-02-26 Jan Hubicka <jh@suse.cz>
PR debug/39267
* cgraph.h (varpool_output_debug_info): Remove.
* cgraphunit.c (varpool_output_debug_info): Remove.
* dwarf2out.c (deferred_locations_struct): New struct
(deferred_locations): New type.
(deferred_locations_list): New static var.
(deffer_location): New function.
(gen_variable_die): Use it.
(decls_for_scope): Output info on local static vars.
(dwarf2out_finish): Process deferred locations.
* varpool.c (varpool_output_debug_info): Remove.
2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
PR rtl-optimization/39241
* jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
to subreg_offset_representable_p.
2009-02-25 Paolo Bonzini <bonzini@gnu.org>
* regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
execute function prototype. Get f and nregs from max_reg_num
and get_insns. Remove the first backward pass as it's dead,
guard the forward pass by flag_expensive_optimizations.
(rest_of_handle_regmove): Delete.
(pass_regmove): Replace it with regmove_optimize.
2009-02-25 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/39259
* tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
calls_alloca function flags.
(copy_bb): Set calls_setjmp and alls_alloca function flags if such
calls are detected.
2009-02-25 Paolo Bonzini <bonzini@gnu.org>
* regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
flags_set_1_rtx, flags_set_1_set): Delete.
(regmove_optimize): Do not call mark_flags_life_zones.
2009-02-24 Julian Brown <julian@codesourcery.com>
PR target/35965
* config/arm/arm.c (require_pic_register): Only set
cfun->machine->pic_reg once per function.
2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
* doc/invoke.texi (Link Options): Document an easier way to pass
options that take arguments to the GNU linker using -Xlinker and -Wl.
2009-02-24 Steve Ellcey <sje@cup.hp.com>
PR target/33785
* doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
2009-02-24 Richard Guenther <rguenther@suse.de>
PR debug/39285
* dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
2009-02-24 Richard Guenther <rguenther@suse.de>
Zdenek Dvorak <ook@ucw.cz>
PR tree-optimization/39233
* tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
from converting them to a generic type.
2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/39260
* graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
contains a condition with a real type.
(build_scop_conditions_1): Conditions are always last_stmt of a bb.
2009-02-23 Jason Merrill <jason@redhat.com>
PR c++/38880
* varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
narrowing_initializer_constant_valid_p.
(narrowing_initializer_constant_valid_p): Don't return
null_pointer_node for adding a pointer to itself.
2009-02-23 Jan Hubicka <jh@suse.cz>
PR c/12245
* ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
resizing.
2009-02-23 Jan Hubicka <jh@suse.cz>
PR tree-optimization/37709
* tree.c (block_ultimate_origin): Move here from dwarf2out.
* tree.h (block_ultimate_origin): Declare.
* dwarf2out.c (block_ultimate_origin): Move to tree.c
* tree-ssa-live.c (remove_unused_scope_block_p):
Eliminate blocks containig no instructions nor live variables nor
nested blocks.
(dump_scope_block): New function.
(remove_unused_locals): Enable removal of dead blocks by default;
enable dumping at TDF_DETAILS.
2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (classify_argument): Don't allow COImode
and OImode.
(function_arg_advance_32): Don't allow OImode.
(function_arg_32): Likewise.
(function_value_32): Likewise.
(return_in_memory_32): Likewise.
(function_arg_64): Remove OImode comment.
2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
PR target/39261
* config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
ix86_expand_vector_set for V4DImode in 64bit mode only.
(ix86_expand_vector_init_one_var): Likewise.
2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
* graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
PR bootstrap/39257
* loop-iv.c: Revert last change.
* emit-rtl.c: Likewise.
2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
PR target/39256
* config/i386/i386.c (type_natural_mode): Remove an extra
space in the warning message.
(function_value_32): Handle 32-byte vector modes.
(return_in_memory_32): Likewise.
2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
* loop-iv.c (truncate_value): New function.
(iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
of lowpart_subreg.
(lowpart_subreg): Move to...
* emit-rtl.c: ...here.
2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
* config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
accidental and undocumented change at revision 140860.
2009-02-21 Joseph Myers <joseph@codesourcery.com>
* config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
take gimple_seq * arguments.
(arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
types_compatible_p langhook.
2009-02-20 Mark Mitchell <mark@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
* config/arm/arm.c (arm_builtin_va_list): New function.
(arm_expand_builtin_va_start): Likewise.
(arm_gimplify_va_arg_expr): Likewise.
(TARGET_BUILD_BUILTIN_VA_LIST): Define.
(TARGET_BUILD_BUILTIN_VA_START): Likewise.
(TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
(va_list_type): New variable.
(arm_mangle_type): Mangle va_list_type appropriately.
2009-02-20 Jakub Jelinek <jakub@redhat.com>
PR middle-end/39157
* Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
* params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
* params.def (loop-invariant-max-bbs-in-loop): New parameter.
* opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
parameter to 1000 for -O1 by default.
* doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
parameter.
* loop-invariant.c: Include params.h.
(move_loop_invariants): Don't call move_single_loop_invariants on
very large loops.
2009-02-20 Jaka Mocnik <jaka@xlab.si>
* calls.c (emit_library_call_value_1): Use slot_offset instead of
offset when calculating bounds for indexing stack_usage_map. Fixes
a buffer overflow with certain target setups.
2009-02-20 Jakub Jelinek <jakub@redhat.com>
PR target/39240
* calls.c (expand_call): Clear try_tail_call if caller and callee
disagree in promotion of function return value.
2009-02-19 Jakub Jelinek <jakub@redhat.com>
PR target/39175
* c-common.c (c_determine_visibility): If visibility changed and
DECL_RTL has been already set, call make_decl_rtl to update symbol
flags.
2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
PR c++/39188
* varasm.c (assemble_variable): Don't check DECL_NAME when
globalizing a variable.
2009-02-19 Joseph Myers <joseph@codesourcery.com>
PR c/38483
* builtins.c (gimplify_va_arg_expr): Evaluate the va_list
expression before any __builtin_trap call.
* c-typeck.c (build_function_call): Convert and check function
arguments before generating a call to a trap. Evaluate the
function arguments before the trap.
2009-02-19 Uros Bizjak <ubizjak@gmail.com>
PR target/39228
* config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
(UNSPEC_FXAM_MEM): New unspec.
(fxam<mode>2_i387_with_temp): New insn and split pattern.
(isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
memory using fxam<mode>2_i387_with_temp to remove excess precision.
2009-02-19 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39207
PR tree-optimization/39074
* tree-ssa-structalias.c (storedanything_id, var_storedanything,
storedanything_tree): New.
(do_ds_constraint): Simplify ANYTHING shortcutting. Update
the STOREDANYTHING solution if the lhs solution contains ANYTHING.
(build_succ_graph): Add edges from STOREDANYTHING to all
non-direct nodes.
(init_base_vars): Initialize STOREDANYTHING.
(compute_points_to_sets): Free substitution info after
building the succ graph.
(ipa_pta_execute): Likewise.
* tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
field.
(do_ds_constraint): Do not add to special var or non-pointer
field solutions.
(type_could_have_pointers): Split out from ...
(could_have_pointers): ... here. For arrays use the element type.
(create_variable_info_for): Initialize may_have_pointers.
(new_var_info): Likewise.
(handle_lhs_call): Make the HEAP variable unknown-sized.
(intra_create_variable_infos): Use a type with pointers for
PARM_NOALIAS, make it unknown-sized.
2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
PR target/39224
* config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
2009-02-18 Jason Merrill <jason@redhat.com>
PR target/39179
* tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
value if DECL_EXTERNAL.
* tree-sra.c (sra_walk_gimple_assign): Likewise.
* target.h (gcc_target::binds_local_p): Clarify "module".
* tree.h (TREE_PUBLIC): Clarify "module".
2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
PR target/38891
* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
initialization for MS_ABI prior to the hunk of !TARGET_MMX.
2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
PR target/39082
* c.opt (Wabi): Support C and ObjC.
(Wpsabi): New.
* c-opts.c (c_common_handle_option): Handle OPT_Wabi.
* config/i386/i386.c (classify_argument): Warn once about the ABI
change when passing union with long double.
* doc/invoke.texi: Update -Wabi for warning psABI changes.
2009-02-18 Joseph Myers <joseph@codesourcery.com>
PR c/35447
* c-parser.c (c_parser_compound_statement): Always enter and leave
a scope.
2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR target/34587
* config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
2009-02-18 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/36922
* tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
* tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
Likewise.
2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
* config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
to 0 for EABI64.
2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
* config/mips/mips.md (type): Reclassify lui_movf as "unknown".
2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
* config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
tree sharing.
2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
Richard Sandiford <rdsandiford@googlemail.com>
* config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
* config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
(loongson_biadd): ...this.
2009-02-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39202
* tree-ssa-structalias.c (do_structure_copy): Before collapsing
a var make sure to follow existing collapses.
2009-02-17 Richard Guenther <rguenther@suse.de>
PR middle-end/39214
* langhooks.c (lhd_print_error_function): Check for NULL block.
2009-02-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39204
* tree-ssa-pre.c (phi_translate_1): Lookup the value-number
of the PHI arg.
2009-02-17 Uros Bizjak <ubizjak@gmail.com>
* config/soft-fp/double.h: Update from glibc CVS.
2009-02-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39207
* tree-ssa-structalias.c (find_what_p_points_to): Do not emit
strict-aliasing warnings for pointers pointing to NULL.
2009-02-16 Joseph Myers <joseph@codesourcery.com>
PR c/35446
* c-parser.c (c_parser_braced_init): Call pop_init_level when
skipping until next close brace.
2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
PR target/37049
* config/i386/i386.c (ix86_expand_push): Set memory alignment
to function argument boundary.
2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
* config/picochip/picochip.md (lea_add): Allow any nonimmediate
in the lea_add. Reload eventually constraints it properly.
* config/picochip/constraints.md : Remove the target constraint
"b", since it is not needed anymore.
2009-02-16 Jakub Jelinek <jakub@redhat.com>
* gthr-dce.h: Uglify function parameter and local variable names.
* gthr-gnat.h: Likewise.
* gthr-mipssde.h: Likewise.
* gthr-nks.h: Likewise.
* gthr-posix95.h: Likewise.
* gthr-posix.h: Likewise.
* gthr-rtems.h: Likewise.
* gthr-single.h: Likewise.
* gthr-solaris.h: Likewise.
* gthr-tpf.h: Likewise.
* gthr-vxworks.h: Likewise.
* gthr-win32.h: Likewise.
2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
PR target/39196
* config/i386/i386.md: Restrict the new peephole2 to move
between MMX/SSE registers.
2009-02-15 Richard Guenther <rguenther@suse.de>
Revert
2009-02-13 Richard Guenther <rguenther@suse.de>
* configure.ac: Enable LFS.
* configure: Re-generate.
* config.in: Likewise.
2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
spu_srqwbyte, spu_srqwbytebc): Define.
* config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
* config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
"shrqby_<mode>"): New insn-and-split patterns.
* config/spu/spu.c (expand_builtin_args): Determine and return
number of operands using spu_builtin_description data.
(spu_expand_builtin_1): Use it.
2009-02-13 Steve Ellcey <sje@cup.hp.com>
PR target/38056
* config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
TARGET_CONST_GP.
2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
PR target/39149
* config/i386/i386.c (override_options): Correct warning
messages for -malign-loops, -malign-jumps and -malign-functions.
2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
PR target/39152
* config/i386/i386.md: Restrict the new peephole2 to move
between the general purpose registers.
2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
PR target/39162
* config/i386/i386.c (type_natural_mode): Add a new argument.
Return the original mode and warn ABI change if vector size is 32byte.
(function_arg_advance): Updated.
(function_arg): Likewise.
(ix86_function_value): Likewise.
(ix86_return_in_memory): Likewise.
(ix86_sol10_return_in_memory): Likewise.
(ix86_gimplify_va_arg): Likewise.
(function_arg_32): Don't warn ABX ABI change here.
(function_arg_64): Likewise.
2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
* loop-iv.c (implies_p): In the final case, test that operands 0
of the two comparisons match.
* config/bfin/bfin.c (find_prev_insn_start): New function.
(bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
(find_next_insn_start): Move.
2009-02-13 Richard Guenther <rguenther@suse.de>
* configure.ac: Enable LFS.
* configure: Re-generate.
* config.in: Likewise.
2009-02-13 Joseph Myers <joseph@codesourcery.com>
PR c/35444
* c-parser.c (c_parser_parms_list_declarator): Discard pending
sizes on syntax error after some arguments have been parsed.
2009-02-12 Jakub Jelinek <jakub@redhat.com>
* doc/invoke.texi (-fira): Remove.
2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
* caller-save.c: Replace regclass.c with reginfo.c in comments.
* recog.c: Likewise.
* rtl.h: Likewise.
2009-02-12 Uros Bizjak <ubizjak@gmail.com>
* longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
(umul_ppmm): Likewise.
(count_leading_zeros): Likewise.
(count_trailing_zeros): Likewise.
(UMUL_TIME): Likewise.
2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
* config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
soft-fp/t-softfp to tmake_file.
* config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
(ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
(ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
IA64_BUILTIN_INFQ]: New.
(ia64_init_builtins): Initialize __builtin_infq,
__builtin_fabsq and __builtin_copysignq if not HPUX.
(ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
* config/ia64/lib1funcs.asm (__divtf3): Define only if
SHARED is defined.
(__fixtfti): Likewise.
(__fixunstfti): Likewise.
(__floattitf): Likewise.
* config/ia64/libgcc-glibc.ver: New.
* config/ia64/t-fprules-softfp: Likewise.
* config/ia64/sfp-machine.h: Likewise.
* config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
(LIBGCC2_TF_CEXT): Likewise.
(TF_SIZE): Likewise.
(TARGET_INIT_LIBFUNCS): Likewise.
* config/ia64/t-glibc (SHLINB_MAPFILES):
Add $(srcdir)/config/ia64/libgcc-glibc.ver.
2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (construct_container): Rewrite processing
BLKmode with X86_64_SSE_CLASS.
2009-02-12 Paolo Bonzini <bonzini@gnu.org>
PR target/39152
* config/i386/i386.md: Replace simplify_replace_rtx with
replace_rtx in the new peephole2.
2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
* doc/invoke.texi (Optimize Options): Stop claiming inlining and
loop unrolling do not happen at -O2.
2009-02-12 Michael Matz <matz@suse.de>
* gcc.c (ASM_DEBUG_SPEC): Check for -g0.
2009-02-12 Jakub Jelinek <jakub@redhat.com>
* dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
for -g3.
2009-02-12 Ben Elliston <bje@au.ibm.com>
* config/rs6000/rs6000.md (allocate_stack): Use _stack form of
patterns when updating the back chain. Missed in the 2009-02-10
change.
2009-02-11 Janis Johnson <janis187@us.ibm.com>
* doc/extend.texi (Decimal Floating Types): Update identifier of
draft TR and list of missing support.
2009-02-11 Jakub Jelinek <jakub@redhat.com>
PR middle-end/39154
* gimplify.c (omp_notice_variable): If adding GOVD_SEEN
bit to variable length decl's flags, add it also to its
pointer replacement variable.
2009-02-11 Uros Bizjak <ubizjak@gmail.com>
Jakub Jelinek <jakub@redhat.com>
PR target/39118
* config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
(memory_blockage): New expander.
(*memory_blockage): New insn pattern.
* config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
instead of general blockage at the end of function prologue when
frame pointer is used to access red zone area. Do not emit blockage
when profiling, it is emitted in generic code.
(ix86_expand_epilogue): Emit memory_blockage at the beginning of
function epilogue when frame pointer is used to access red zone area.
2009-02-11 Paolo Bonzini <bonzini@gnu.org>
PR target/38824
* config/i386/i386.md: Add two new peephole2 to avoid mov followed
by arithmetic with memory operands.
* config/i386/predicates.md (commutative_operator): New.
2009-02-10 Janis Johnson <janis187@us.ibm.com>
* doc/extend.texi (Fixed-Point Types): Break long paragraphs into
bulleted lists.
2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
* alias.h (record_alias_subset): Declare.
* alias.c (record_alias_subset): Make global.
2009-02-10 Nick Clifton <nickc@redhat.com>
* tree-parloops.c: Change license to GPLv3.
* ipa-struct-reorg.c: Change license to GPLv3.
* ipa-struct-reorg.h: Change license to GPLv3.
2009-02-10 Steve Ellcey <sje@cup.hp.com>
PR c/39084
* c-decl.c (start_struct): Return NULL on error.
2009-02-10 Jakub Jelinek <jakub@redhat.com>
PR middle-end/39124
* cfgloopmanip.c (remove_path): Call remove_bbs after
cancel_loop_tree, not before it.
PR target/39139
* function.h (struct function): Add has_local_explicit_reg_vars bit.
* gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
VAR_DECLs were seen.
* tree-ssa-live.c (remove_unused_locals): Recompute
cfun->has_local_explicit_reg_vars.
* tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
copies or clearings if cfun->has_local_explicit_reg_vars.
2009-02-10 Uros Bizjak <ubizjak@gmail.com>
PR target/39118
* config/i386/i386.c (expand_prologue): Emit blockage at the end
of function prologue when frame pointer is used to access
red zone area.
2009-02-10 Richard Guenther <rguenther@suse.de>
PR middle-end/39127
* gimplify.c (gimple_regimplify_operands): Always look if
we need to create a temporary.
2009-02-10 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39132
* tree-loop-distribution.c (todo): New global var.
(generate_memset_zero): Trigger TODO_rebuild_alias.
(tree_loop_distribution): Return todo.
2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
PR target/39119
* config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
(x86_64_reg_class_name): Removed.
(classify_argument): Return 0 if bytes > 32. Return 0 if the
first one isn't X86_64_SSE_CLASS or any other ones aren't
X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
and 3 X86_64_SSEUP_CLASS.
(construct_container): Remove X86_64_AVX_CLASS. Handle 4
registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2009-02-10 Ben Elliston <bje@au.ibm.com>
* config/rs6000/rs6000.md (allocate_stack): Always use an update
form instruction to update the stack back chain word, even if the
user has disabled the generation of update instructions.
(movdi_<mode>_update_stack): New.
(movsi_update_stack): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
always use an update form instruction to update the stack back
chain word.
2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/38953
* graphite.c (if_region_set_false_region): After moving a region in
the false branch of a condition, remove the empty dummy basic block.
(gloog): Remove wrong fix for PR38953.
2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
generation due to implicit sign extension.
2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
PR middle-end/38981
* tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2009-02-09 Richard Guenther <rguenther@suse.de>
PR middle-end/35202
* convert.c (convert_to_real): Disable (float)fn((double)x)
to fnf(x) conversion if errno differences may occur and
-fmath-errno is set.
2009-02-07 Anatoly Sokolov <aesok@post.ru>
* config/avr/avr.c (avr_mcu_t): Add ata6289 device.
* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2009-02-06 Joseph Myers <joseph@codesourcery.com>
PR c/35434
* c-common.c (handle_alias_attribute): Disallow attribute for
anything not a FUNCTION_DECL or VAR_DECL.
2009-02-06 Janis Johnson <janis187@us.ibm.com>
PR c/39035
* real.c (do_compare): Special-case compare of zero against
decimal float value.
2009-02-06 Joseph Myers <joseph@codesourcery.com>
PR c/36432
* c-decl.c (grokdeclarator): Don't treat [] declarators in fields
as indicating flexible array members unless the field itself is
being declarared as the incomplete array.
2009-02-06 Jan Hubicka <jh@suse.cz>
PR tree-optimization/38844
* ipa-inline.c (try_inline): Stop inlining recursion when edge
is already inlined.
2009-02-06 Richard Guenther <rguenther@suse.de>
PR middle-end/38977
* tree-cfg.c (need_fake_edge_p): Force a fake edge for
fork because we may expand it as __gcov_fork.
2009-02-06 Nick Clifton <nickc@redhat.com>
* config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2009-02-06 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/35659
* tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
vn_phi_eq): Shortcut if hashcode does not match.
(vn_reference_op_compute_hash): Do not call iterative_hash_expr for
NULL operands.
* tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
and avoid iterative_hash_expr.
(FOR_EACH_VALUE_ID_IN_SET): New.
(value_id_compare): Remove.
(sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
sort expressions by value id.
2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
PR target/38991
* config/sh/predicates.md (general_movsrc_operand): Don't check
the subreg of system registers here.
2009-02-05 Jakub Jelinek <jakub@redhat.com>
PR c++/39106
* cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
on the copied decl.
2009-02-05 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/39110
* rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
addresses, not aligned ones.
2009-02-05 Daniel Berlin <dberlin@dberlin.org>
Richard Guenther <rguenther@suse.de>
PR tree-optimization/39100
* tree-ssa-structalias.c (do_ds_constraint): Actually do what the
comment says and add edges.
2009-02-05 Joseph Myers <joseph@codesourcery.com>
PR c/35435
* c-common.c (handle_tls_model_attribute): Ignore attribute for
non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
* graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
register_bb_in_sese, new_sese, free_sese): Moved.
(dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
outermost_loop_in_scop, build_scop_iteration_domain,
expand_scalar_variables_ssa_name, get_vdef_before_scop,
limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
Use loop_in_sese_p instead of loop_in_scop_p.
(new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
(new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
(scopdet_basic_block_info): Fix bug in scop detection.
(new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
eq_loop_to_cloog_loop): Remove.
(nb_loops_around_loop_in_scop, nb_loop
ref_nb_loops): Moved here...
* graphite.h (ref_nb_loops): ... from here.
(struct scop): Remove bbs_b bitmap and loop2cloog_loop.
(loop_domain_dim, loop_iteration_vector_dim): Remove.
(SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
* testsuite/gcc.dg/graphite/scop-19.c: New
2009-02-04 Paolo Bonzini <bonzini@gnu.org>
Hans-Peter Nilsson <hp@axis.com>
PR rtl-optimization/37889
* rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
Move offset handling from PLUS to before the switch. Use new
arguments when considering SYMBOL_REFs too.
(rtx_addr_can_trap_p): Pass dummy offset and size.
(enum may_trap_p_flags): Remove.
(may_trap_p_1): Pass size from MEM_SIZE.
PR rtl-optimization/38921
* loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
* rtl.h (may_trap_after_code_motion_p): Delete prototype.
* rtlanal.c (may_trap_after_code_motion_p): Delete.
(may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
AVX Programming Reference (January, 2009)
* config/i386/sse.md (*vpclmulqdq): New.
2009-02-04 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/38977
PR gcov-profile/38292
* calls.c (special_function_p): Disregard __builtin_ prefix.
2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
* config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
non-indexable addresses even before reload.
2009-02-03 Joseph Myers <joseph@codesourcery.com>
PR c/29129
* c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
as having variable size. Do not give an error for unnamed
parameters with [*] declarators. Give a warning for type names
with [*] declarators and mark them as variable size.
* c-parser.c (c_parser_sizeof_expression): Do not give an error
for sizeof applied to [*] type names.
2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR C++/36607
* convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2009-02-03 Jakub Jelinek <jakub@redhat.com>
* gcc.c (process_command): Update copyright notice dates.
* gcov.c (print_version): Likewise.
* gcov-dump.c (print_version): Likewise.
* mips-tfile.c (main): Likewise.
* mips-tdump.c (main): Likewise.
2009-02-03 Joseph Myers <joseph@codesourcery.com>
PR c/35433
* c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
for composite type involving a zero-length array type.
2009-02-03 Jakub Jelinek <jakub@redhat.com>
PR target/35318
* function.c (match_asm_constraints_1): Skip over
initial optional % in the constraint.
PR inline-asm/39059
* c-parser.c (c_parser_postfix_expression): If fixed point is not
supported, don't accept FIXED_CSTs.
* c-decl.c (finish_declspecs): Error if fixed point is not supported
and _Sat is used without _Fract/_Accum. Set specs->type to
integer_type_node for cts_fract/cts_accum if fixed point is not
supported.
2009-02-02 Catherine Moore <clm@codesourcery.com>
* sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
* config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
(ABI_HAS_64BIT_SYMBOLS): Use it.
(DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2009-02-02 Paul Brook <paul@codesourcery.com>
* config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2009-02-02 Jakub Jelinek <jakub@redhat.com>
PR inline-asm/39058
* recog.h (asm_operand_ok): Add constraints argument.
* recog.c (asm_operand_ok): Likewise. If it is set, for digits
recurse on matching constraint.
(check_asm_operands): Pass constraints as 3rd argument to
asm_operand_ok. Don't look up matching constraint here.
* stmt.c (expand_asm_operands): Pass NULL as 3rd argument
to asm_operand_ok.
2009-02-02 Ben Elliston <bje@au.ibm.com>
* doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
TARGET_NARROW_VOLATILE_BITFIELD macro names.
2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
information. Remove some obsolete information. Reorganize.
* config/pa/fptr.c: Revert license to GPL 2.
* config/pa/milli64.S: Likewise.
2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
PR target/38904
* mkmap-flat.awk (END): Use pe_dll command-line arg to pass
LIBRARY name in, instead of hard-coding it.
* config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
extra target make frag to tmake_files according to EH model.
(i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
* config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
frags that define makefile variable EH_MODEL appropriately.
* config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
* config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
to "-sjlj" according to type of EH configured.
(LIBGCC_SONAME): Concatenate it to shared library base name.
* config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
to "_sjlj" according to type of EH configured.
(LIBGCC_SONAME): Concatenate it to shared library base name.
* config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
(SHLIB_LINK): Add missing semicolon to if-else construct.
(SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
string value of "pe_dll" command-line option.
* config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
(SHLIB_SONAME): Use it when overriding t-cygming default.
(SHLIB_IMPLIB): Override t-cygming default.
(SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
string value of "pe_dll" command-line option.
2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
PR target/38952
* config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
(TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2009-01-31 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38937
* tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
computing the transitive closure.
2009-01-30 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39041
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
Propagate variable indices only if the types match for this stmt.
2009-01-30 Jakub Jelinek <jakub@redhat.com>
PR target/39013
* c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
inline but never defined.
2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
* config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
(*insv_h_di_reg_extimm): New insn.
(*insv_l<mode>_reg_extimm): New insn.
2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
* config/picochip/picochip.c (flag_conserve_stack): set
PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
fconserve-stack. Reduce call-overhead used by inliner.
2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
PR/38157
* common.opt (flag_conserve_stack): Initialised to zero.
2009-01-30 Kai Tietz <kai.tietz@onevision.com>
PR/39002
* config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
(ix86_expand_epilogue): Take nsseregs in account to use proper restore
method.
2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
* ira-color.c (allocno_reload_assign): Update comments.
* regmove.c (regmove_optimize): Likewise.
* ra.h: Removed.
2009-01-29 Robert Millan <rmh@aybabtu.com>
* gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
* gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
`MD_UNWIND_SUPPORT'.
* gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2009-01-29 Kazu Hirata <kazu@codesourcery.com>
PR tree-optimization/39007
* tree-loop-distribution.c (generate_builtin): Use
recompute_dominator to compute the immediate dominator of the
basic block just after the loop.
2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
* config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
(ASM_OUTPUT_DWARF_PCREL): Define.
2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
* doc/passes.texi: Remove entries about regclass, local-alloc, and
global. Modify entries about regmove and IRA.
* ra-conflict.c: Remove the file.
* reload.c (push_reload, find_dummy_reload): Remove flag_ira.
* tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
(pass_regclass_init): Rename to pass_reginfo_init.
* cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
* toplev.h (flag_ira): Remove.
* caller-save.c (setup_save_areas): Remove flag_ira.
* ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
* global.c: Remove the file.
* opts.c: (decode_options): Remove flag_ira.
* hard-reg-set.h (losing_caller_save_reg_set): Remove.
* regmove.c: Modify file description.
(find_use_as_address, try_auto_increment): Define them only if
AUTO_INC_DEC is defined.
(replacement_quality, replace_in_call_usage, fixup_match_1,
stable_and_no_regs_but_for_p): Remove.
(reg_set_in_bb): Make it static.
(regmove_optimize): Remove flag_ira and code which worked for
!flag_ira.
* local-alloc.c: Remove the file.
* common.opt (fira): Remove.
* ira.c: Include except.h.
(eliminable_regset): Move from global.c.
(mark_elimination): Ditto. Remove flag_ira.
(reg_renumber, struct equivalence, reg_equiv, equiv_mem,
equiv_mem_modified, validate_equiv_mem_from_store,
validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
contains_replace_regs, memref_referenced_p, memref_used_between_p,
no_equiv, recorded_label_ref): Move from local-alloc.c.
(update_equiv_regs): Ditto. Make it static.
(print_insn_chain, print_insn_chains): Move it from global.c.
(pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
(build_insn_chain): Ditto. Make it static.
(ra_init_live_subregs): Move from ra-conflict.c. Make it static.
Rename to init_live_subregs.
(gate_ira): Remove flag_ira.
* regclass.c: Rename reginfo.c. Change file description.
(FORBIDDEN_INC_DEC_CLASSES): Remove.
(reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
(init_reg_sets_1): Remove code for evaluation of
reg_class_superclasses and losing_caller_save_reg_set.
(init_regs): Remove init_reg_autoinc.
(struct costs, costs, init_cost, ok_for_index_p_nonstrict,
ok_for_base_p_nonstrict): Remove.
(regclass_init): Rename to reginfo_init. Don't initialize init_cost.
(pass_regclass_init): Rename to pass_reginfo_init. Modify
corresponding entries.
(dump_regclass, record_operand_costs, scan_one_insn,
init_reg_autoinc, regclass, record_reg_classes, copy_cost,
record_address_regs, auto_inc_dec_reg_p): Remove.
(gt-regclass.h): Rename to gt-reginfo.h.
* rtl.h (dump_global_regs, retry_global_alloc,
build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
* Makefile.in (RA_H): Remove.
(OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
Rename regclass.o to reginfo.o.
(regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
gt-reginfo.h.
(global.o, local-alloc.o, ra-conflict.o): Remove entries.
(GTFILES): Rename regclass.c to reginfo.c.
* passes.c (init_optimization_passes): Remove pass_local_alloc and
pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
Remove flag_ira.
(finish_spills): Ditto. Remove code for !flag_ira.
2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
PR middle-end/35854
* doc/invoke.texi (rtl debug options): Complete rewrite.
* auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
to auto_inc_dec".
* mode-switching.c (pass_mode_switching): Rename pass from
"mode-sw" to "mode_sw".
* except.c (pass_convert_to_eh_ranges): Rename pass from
"eh-ranges" to "eh_ranges".
* lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
to "subreg1".
2009-01-29 Andrey Belevantsev <abel@ispras.ru>
Alexander Monakov <amonakov@ispras.ru>
PR middle-end/38857
* sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
register.
(move_exprs_to_boundary): Change return type and pass through
should_move from move_op. Relax assert. Update usage ...
(schedule_expr_on_boundary): ... here. Use should_move instead of
cant_move.
(move_op_orig_expr_found): Indicate that insn was disconnected from
stream.
(code_motion_process_successors): Do not call after_merge_succs
callback if original expression was not found when traversing any of
the branches.
(code_motion_path_driver): Change return type. Update prototype.
(move_op): Update comment. Add a new parameter (should_move). Update
prototype. Set *should_move based on indication provided by
move_op_orig_expr_found.
2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
* doc/invoke.texi (avoid-indexed-addresses): Document new option.
* config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
* config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
* config/rs6000/rs6000.c (rs6000_override_options): Default
avoid-indexed-addresses on for Power6, off for everything else.
(avoiding_indexed_address_p): New function.
(rs6000_legitimize_address): Use it.
(rs6000_legitimate_address): Likewise.
* config/rs6000/rs6000.md (movXX_updateX): Likewise
2009-01-28 Kazu Hirata <kazu@codesourcery.com>
PR tree-optimization/38997
* tree-loop-distribution.c (generate_memset_zero): Use
POINTER_PLUS_EXPR for a pointer addition.
2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
* config/s390/s390.md (bswap<mode>2): New pattern added.
2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
* config/s390/s390.md (*tls_load_31): Added type attribute.
2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
* config/s390/s390.md: Fix a few comments.
2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
* config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
(*tm<mode>_full): Fixed z10prop attribute.
(*tst<mode>_extimm): Fixed z10prop attribute.
(*tst<mode>_cconly_extimm): Fixed z10prop attribute.
(*tstqiCCT_cconly): Fixed z10prop attribute.
(*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
(*movsi_larl): Fixed z10prop attribute.
(*movsi_zarch): Fixed z10prop attribute.
(*movsi_eas): Fixed z10prop attribute.
(*movhi): Fixed z10prop attribute.
(*movqi): Fixed z10prop attribute.
(*movstrictqi): Fixed z10prop attribute.
(*mov<mode>): Fixed z10prop attribute.
(*movcc): Fixed z10prop attribute.
(*sethighpartdi_64): Fixed z10prop attribute.
(*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
(*negdi2_sign_cc): Fixed z10prop attribute.
(*negdi2_sign): Fixed z10prop attribute.
(*absdi2_sign_cc): Fixed z10prop attribute.
(*absdi2_sign): Fixed z10prop attribute.
(*negabsdi2_sign_cc): Fixed z10prop attribute.
(*negabsdi2_sign): Fixed z10prop attribute.
(*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
(*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
(doloop_si64): Fixed z10prop attribute.
(doloop_si31): Fixed z10prop attribute.
(doloop_long): Fixed z10prop attribute.
(indirect_jump): Fixed z10prop attribute.
(nop): Fixed z10prop attribute.
(main_base_64): Fixed z10prop attribute.
(reload_base_64): Fixed z10prop attribute.
2009-01-28 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/38740
* reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
if !optimize.
* config/mips/mips.c (mips_reorg): Likewise.
2009-01-28 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38926
* tree-ssa-pre.c (add_to_value): Assert we add only expressions
with the correct value id to a value.
(do_regular_insertion): Use the value number of edoubleprime
for the value number of the expr.
Revert
2008-08-21 Richard Guenther <rguenther@suse.de>
* tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
a PHI ask VN if it is already available.
* tree-ssa-sccvn.h (vn_phi_lookup): Declare.
* tree-ssa-sccvn.c (vn_phi_lookup): Export.
2009-01-28 Jakub Jelinek <jakub@redhat.com>
PR middle-end/38934
* tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
set to varying whenever max has TREE_OVERFLOW set, similarly
for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2009-01-28 Richard Guenther <rguenther@suse.de>
PR middle-end/38908
* tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
uninitialized aggregate uses in call arguments.
2009-01-28 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/38984
* tree-ssa-structalias.c (get_constraints_for_1): Do not use
the nothing_id variable if -fno-delete-null-pointer-checks.
2009-01-28 Uros Bizjak <ubizjak@gmail.com>
PR target/38988
* config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
(set_got_offset_rex64): Ditto.
2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
PR target/38941
* doc/extend.texi: Improve local variable with asm reg.
2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
* c.opt (Wpacked-bitfield-compat): Change init value to -1.
* c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
was not supplied then set warn_packed_bitfield_compat to the
default value of 1.
* stor-layout.c (place_field): Check warn_packed_bitfield_compat
against 1.
2009-01-27 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38503
* cfgexpand.c (expand_gimple_basic_block): Ignore
GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
* tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
variables that cannot have TBAA applied.
(compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
statements.
2009-01-27 Uros Bizjak <ubizjak@gmail.com>
PR middle-end/38969
* calls.c (initialize_argument_information): Do not wrap complex
arguments in SAVE_EXPR.
2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
* config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
(INSTALL_LIBGCC): Revert typo commit.
2009-01-26 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38745
* tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
from special handling.
2009-01-26 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38745
* tree-ssa.c (execute_update_addresses_taken): Do not include
variables that cannot possibly be a register in not_reg_needs.
Do not clear TREE_ADDRESSABLE on vars that may not become
registers.
* tree-ssa.c (update_alias_info_1): Include those in the set
of addressable vars.
2009-01-26 Richard Guenther <rguenther@suse.de>
PR middle-end/38851
* Makefile.in (tree-ssa-dse.o): Add langhooks.h.
* tree-ssa-dse.c: Include langhooks.h
(execute_simple_dse): Remove stores with zero size.
2009-01-24 Jakub Jelinek <jakub@redhat.com>
PR c/38957
* c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
as PLUS_EXPR.
2009-01-24 Julian Brown <julian@codesourcery.com>
* config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
config/arm/linux-atomic.c.
* config/arm/linux-atomic.c: New.
2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
* config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
* config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
* config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
PR c/38938
* c-opts.c (c_common_handle_option): Update warn_pointer_sign
properly.
2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/38953
* graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
(scop_adjust_phis_for_liveouts): Initialize false_i to zero.
(gloog): Split the exit of the scop when the scop exit is a loop exit.
(graphite_transform_loops): Only call cleanup_tree_cfg if gloog
changed the CFG.
2009-01-24 Paul Brook <paul@codesourcery.com>
* config/arm/neon.md (neon_type): Move to arm.md.
(neon_mov<VSTRUCT>): Add neon_type attribute.
* config/arm/arm.md (neon_type): Move to here.
(conds): Add "unconditioal" and use as default for NEON insns.
2009-01-24 Ben Elliston <bje@au.ibm.com>
* bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
void *' warning from -Wc++-compat.
* Makefile.in (dominance.o-warn): Remove.
2009-01-23 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/38932
* fold-const.c (fold_unary_ignore_overflow): New.
* tree.h (fold_unary_ignore_overflow): Declare.
* tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
* tree-ssa-sccvn.c (visit_reference_op_load,
simplify_unary_expression): Likewise.
2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
* c-decl.c (finish_struct): Move code to set DECL_PACKED after
DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
regardless of their type.
* c-common.c (handle_packed_attribute): Don't ignore packed on
bitfields.
* c.opt (Wpacked-bitfield-compat): New warning option.
* stor-layout.c (place_field): Warn if offset of a field changed.
* doc/extend.texi (packed): Mention the ABI change.
* doc/invoke.texi (-Wpacked-bitfield-compat): Document.
(Warning Options): Add it to the list.
2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
* c-opts.c (c_common_post_options): Fix a typo in comments.
2009-01-22 Steve Ellcey <sje@cup.hp.com>
PR middle-end/38615
* gimplify.c (gimplify_init_constructor): Fix promotion of const
variables to static.
* doc/invoke.texi (-fmerge-all-constants): Update description.
2009-01-22 Uros Bizjak <ubizjak@gmail.com>
PR target/38931
* config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
(*movdi_1_rex64): Use type "mmx" for alternative 5.
2009-01-22 Richard Earnshaw <rearnsha@arm.com>
* arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
a word boundary.
(LOCAL_ALIGNMENT): Similarly.
2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
Joseph Myers <joseph@codesourcery.com>
* config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
* config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
* config/arm/arm-tune.md: Regenerate.
* doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
-march=iwmmxt2.
2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
* config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
version number to five.
2009-01-22 Dodji Seketeli <dodji@redhat.com>
PR c++/38930
* c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
* c-common.c (set_underlying_type): Likewise.
(is_typedef_decl ): Likewise
* tree.h: Likewise
(set_underlying_type): Likewise.
(is_typedef_type): Likewise.
2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/38587
* ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
crossing setjmps.
2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
PR bootstrap/37660
* config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
(LIBGCC_SPEC): Don't define.
(REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2009-01-21 Uros Bizjak <ubizjak@gmail.com>
PR rtl-optimization/38879
* alias.c (base_alias_check): Unaligned access via AND address can
alias all surrounding object types except those with sizes equal
or wider than the size of unaligned access.
2009-01-21 Dodji Seketeli <dodji@redhat.com>
PR c++/26693
* c-decl.c: (clone_underlying_type): Move this ...
* c-common.c (set_underlying_type): ... here.
Also, make sure the function properly sets TYPE_STUB_DECL() on
the newly created typedef variant type.
(is_typedef_decl ): New entry point.
* tree.h: Added a new member member_types_needing_access_check to
struct tree_decl_non_common.
(set_underlying_type): New entry point.
(is_typedef_type): Likewise.
2009-01-21 Bingfeng Mei <bmei@broadcom.com>
* alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
Check whether two instructions have memory references that
belong to conflicting alias sets. walk_mems_1 and walk_mems_2
are helper functions for traversing.
* alias.h (insn_alias_sets_confilict_p): New prototypes.
* ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
not to draw dependency edge for instructions with non-conflicting
alias sets.
2009-01-20 Joseph Myers <joseph@codesourcery.com>
PR other/38758
* longlong.h: Update copyright years. Use soft-fp license notice.
Sync __clz_tab declaration with glibc.
2009-01-20 Steve Ellcey <sje@cup.hp.com>
PR target/30687
* doc/extend.texi (syscall_linkage): New.
(version_id): Modify.
2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
Richard Guenther <rguenther@suse.de>
PR tree-optimization/38747
PR tree-optimization/38748
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
conversion if the base address is an indirect reference and the
aliasing sets could cause issues.
2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
* common.opt (fgraphite, fgraphite-identity): Add comment for
explaining why these options are not documented.
2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
* graphite.c (stmt_simple_for_scop_p): Also handle cases when
gimple_call_lhs is NULL.
2009-01-20 Paolo Bonzini <bonzini@gnu.org>
PR target/38868
* emit-rtl.c (adjust_address_1): Make sure memref is never
overwritten.
2009-01-20 Ben Elliston <bje@au.ibm.com>
* libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
const qualifier from arg parameter. Remove unnecessary cast to char *.
* gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
const qualifier from arg 2.
2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
* config/darwin.h: Add static-libgfortran to LINK_SPEC.
2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
PR c/38869
* rtl.h (reinit_regs): New prototype.
* regclass.c: Include ira.h.
(reinit_regs): New.
* Makefile.in (regclass.o): Add ira.h.
* config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
PR target/38736
* c-common.c (handle_aligned_attribute): Use
ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
default alignment value.
* c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
* defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
* config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
* doc/extend.texi: Update __attribute__ ((aligned)). Document
__BIGGEST_ALIGNMENT__.
* doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2009-01-18 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38819
* tree-flow.h (operation_could_trap_helper_p): Declare.
* tree-eh.c (operation_could_trap_helper_p): Export.
* tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
* tree-ssa-sccvn.c (vn_nary_may_trap): New function.
* tree-ssa-pre.c (insert_into_preds_of_block): Check if we
are about to insert a possibly trapping instruction and fail
in this case.
2009-01-18 Andreas Schwab <schwab@suse.de>
* doc/install.texi (Configuration): Remove obsolete paragraph
about use of --with-gnu-ld with --with-gnu-as.
2009-01-18 Kazu Hirata <kazu@codesourcery.com>
* doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
Follow spelling conventions.
2009-01-18 Ben Elliston <bje@au.ibm.com>
* bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
C++ warning about implicit conversion from void * to struct
bitmap_head_def *.
(bitmap_obstack_free): Likewise for bitmap_element *.
* Makefile.in (bitmap.o-warn): Remove.
2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
* Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
Tobias Grosser <tobi.grosser@amd.com>
* graphite.c (graphite_trans_scop_block): Do not block single
nested loops.
2009-01-16 Alexandre Oliva <aoliva@redhat.com>
* ebitmap.h (ebitmap_iter_init): Initialize all fields.
* ipa-struct-reorg.c (gen_struct_type): Replace known-true
test with assertion.
2009-01-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38835
PR middle-end/36227
* fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
and INT + PTR -> (INT)(PTR p+ INT) folding.
* tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
PR target/38554
* expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
the subreg from a lowpart subreg if it is also casting the value.
2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
Tobias Grosser <tobi.grosser@amd.com>
* graphite.c (compare_prefix_loops): New.
(build_scop_canonical_schedules): Rewritten.
(graphite_transform_loops): Move build_scop_canonical_schedules
after build_scop_iteration_domain.
2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
Tobias Grosser <tobi.grosser@amd.com>
* graphite.c (add_conditions_to_domain): Add the loops to
the dimension of the iteration domain. Do copy the domain
only when it exists.
(build_scop_conditions_1): Do not call add_conditions_to_domain.
(add_conditions_to_constraints): New.
(can_generate_code_stmt, can_generate_code): Removed.
(gloog): Do not call can_generate_code.
(graphite_transform_loops): Call add_conditions_to_constraints
after building the iteration domain.
2009-01-16 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/38789
* tree-ssa-threadedge.c
(record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
__builtin_constant_p.
2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
* dce.c (delete_unmarked_insns): Reversed the order that insns are
examined before deleting them.
2009-01-16 Richard Earnshaw <rearnsha@arm.com>
* function.c (aggregate_value_p): Correctly extract the function
type from CALL_EXPR_FN lookup.
2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
* config/picochip/picochip.c (picochip_override_options): Revert
CFI asm flag disable commited previously.
2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
Tobias Grosser <tobi.grosser@amd.com>
Jan Sjodin <jan.sjodin@amd.com>
* graphite.c (scan_tree_for_params): On substractions negate
all the coefficients of the term.
(clast_to_gcc_expression_red): New. Handle reduction expressions
of more than two operands.
(clast_to_gcc_expression): Call clast_to_gcc_expression_red.
(get_vdef_before_scop): Handle also the case of default definitions.
2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
* caller-save.c (add_used_regs_1, add_used_regs): New functions.
(insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
Also use them when walking CALL_INSN_FUNCTION_USAGE.
2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
Joey Ye <joey.ye@intel.com>
PR middle-end/37843
* cfgexpand.c (expand_stack_alignment): Don't update stack
boundary nor check incoming stack boundary here.
(gimple_expand_cfg): Update stack boundary and check incoming
stack boundary here.
2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
* dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2009-01-14 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/38245
* calls.c (expand_call): Add stack arguments to
CALL_INSN_FUNCTION_USAGE even for pure calls (when
ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
in regs and partially in memory or BLKmode arguments.
(emit_library_call_value_1): Add stack arguments to
CALL_INSN_FUNCTION_USAGE even for pure calls (when
ACCUMULATE_OUTGOING_ARGS).
* dce.c: Include tm_p.h.
(find_call_stack_args): New function.
(deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
argument.
(mark_insn): Call find_call_stack_args for CALL_Ps.
(prescan_insns_for_dce): Walk insns backwards in bb rather than
forwards. Allocate and free arg_stores bitmap if needed, pass it
down to deletable_insn_p, don't mark stores set in arg_stores
bitmap, clear the bitmap at the beginning of each bb.
* Makefile.in (dce.o): Depend on $(TM_P_H).
2009-01-14 Michael Meissner <gnu@the-meissners.org>
PR target/22599
* config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
to make sure the insn is a conditional test (bug 22599). Reformat a
few long lines.
2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/38431
* graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
(scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
(gloog): Do not call cleanup_tree_cfg.
(graphite_transform_loops): Call cleanup_tree_cfg after all
scops have been code generated.
2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
* doc/gty.texi (Invoking the garbage collector): Added new node
and section documenting ggc_collect.
2009-01-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38826
PR middle-end/38477
* tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
initialization notes only if we actually emitted a warning.
(intra_create_variable_infos): Add constraints for a result decl
that is passed by hidden reference.
(build_pred_graph): Mark all related variables non-direct on
address-taking.
2009-01-14 Nick Clifton <nickc@redhat.com>
* ira-conflicts.c: Include addresses.h for the definition of
base_reg_class.
(ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
* Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
PR target/38811
* Makefile.in (ira-lives.o): Add except.h.
* ira-lives.c: Include except.h.
(process_bb_node_lives): Process can_throw_internal.
2009-01-13 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/38774
* combine.c (simplify_set): When undoing cc_use change, don't do
PUT_CODE on the newly created comparison, but instead put back the
old comparison.
2009-01-13 Joseph Myers <joseph@codesourcery.com>
* doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
values. Remove duplicate arm8 entry.
2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/38786
* graphite.c (expand_scalar_variables_ssa_name): New, outlined from
the SSA_NAME case of expand_scalar_variables_expr.
Set the type of an expression to the type of its assign statement.
(expand_scalar_variables_expr): Also gather the scalar computation
used to index the memory access. Do not pass loop_p.
Fix comment. Stop recursion on tcc_constant or tcc_declaration.
(expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
the gimple_stmt_iterator where it inserts new code.
Do not pass loop_p.
(copy_bb_and_scalar_dependences): Do not pass loop_p.
(translate_clast): Update call to copy_bb_and_scalar_dependences.
2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
* graphite.h (debug_value): Removed.
* graphite.c (debug_value): Removed.
2009-01-13 Richard Earnshaw <rearnsha@arm.com>
* config/arm/arm.c (output_move_double): Don't synthesize thumb-2
ldrd/strd with two 32-bit instructions.
2009-01-13 Richard Earnshaw <rearnsha@arm.com>
* config/arm/arm.c (struct processors): Pass for speed down into
cost helper functions.
(const_ok_for_op): Handle COMPARE and inequality nodes.
(arm_rtx_costs_1): Rewrite.
(arm_size_rtx_costs): Update prototype.
(arm_rtx_costs): Pass speed down to helper functions.
(arm_slowmul_rtx_costs): Rework cost calculations.
(arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
(arm_9e_rtx_costs): Likewise.
2009-01-13 Uros Bizjak <ubizjak@gmail.com>
* config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
relocations of local symbols wider than UNITS_PER_WORD are not valid.
(alpha_legitimize_address): Do not split local symbols wider than
UNITS_PER_WORD into HIGH/LO_SUM parts.
2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
PR bootstrap/38580
* gcc.c (process_command): Replace call to execvp with calls
to pex_one and exit.
2009-01-03 Anatoly Sokolov <aesok@post.ru>
PR target/29141
* config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
* config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
variant for devices with 3-byte PC.
(__tablejump_elpm__) : New.
2009-01-12 Jakub Jelinek <jakub@redhat.com>
PR c/32041
* c-parser.c (c_parser_postfix_expression): Allow `->' in
offsetof member-designator, handle it as `[0].'.
2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
function when not using named sections on targets with named sections
if branch distance is less than 262132.
2009-01-12 Richard Earnshaw <rearnsha@arm.com>
* combine.c (combine_instructions): Recompute
optimize_this_for_speed_p for each BB in the main combine loop.
2009-01-12 Tomas Bily <tbily@suse.cz>
PR middlend/38385
* tree-loop-distribution.c (prop_phis): New function.
(generate_builtin): Call prop_phis.
* testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2009-01-12 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/38807
* tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
* expmed.c (store_bit_field_1): Properly truncate the paradoxical
subreg of op0 to the original op0.
2009-01-11 Laurent GUERBY <laurent@guerby.net>
* doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
PR debug/7055
* gcc/mips-tfile.c (parse_def): Fix parsing of def strings
starting with digits.
2009-01-10 Jakub Jelinek <jakub@redhat.com>
PR target/38695
* config/arm/arm.c (arm_is_long_call_p): Don't call
arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
* regrename.c (regrename_optimize): Fix dumping.
(find_oldest_value_reg): Preserve REG_POINTER.
(copy_hardreg_forward_1): Likewise.
2009-01-09 Diego Novillo <dnovillo@google.com>
* gimple.h (struct gimple_statement_base) <uid>: Document
the restrictions on its use.
(gimple_uid): Tidy.
(gimple_set_uid): Tidy.
2009-01-09 Jakub Jelinek <jakub@redhat.com>
* config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
zero guard even if align_bytes != 0 and count is smaller than
size_needed.
2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38495
* ira-emit.c (print_move_list, ira_debug_move_list): New functions.
(add_range_and_copies_from_move_list): Print all added ranges.
Add ranges to memory optimized destination.
2009-01-09 Jakub Jelinek <jakub@redhat.com>
PR target/38686
PR target/38708
* config/i386/i386.c (override_options): Reject
-mstringop-strategy=rep_8byte with -m32.
(ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
to 1. Do count comparison against epilogue_size_needed at compile
time even when count_exp was constant forced into register. For
size_needed don't jump to epilogue, instead just avoid aligning
and invoke the body algorithm. If need_zero_guard, add zero guard
even if count is non-zero, but smaller than size_needed + number of
bytes that could be stored for alignment.
(ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
to 1. If need_zero_guard, add zero guard even if count is non-zero,
but smaller than size_needed + number of bytes that could be stored
for alignment. Compare size_needed with epilogue_size_needed instead
of desired_align - align, don't adjust size_needed, pass
epilogue_size_needed to the epilogue expanders.
PR c/35742
* c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa.c (last_address): Change to unsigned.
(update_total_code_bytes): Change argument to unsigned. Don't
check if insn addresses are set.
(pa_output_function_epilogue): Set last_address to UINT_MAX if insn
addresses are not set.
(pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2009-01-09 Nick Clifton <nickc@redhat.com>
* config/sh/symbian.c: Replace uses of DECL_INLINE with
DECL_DECLARED_INLINE_P.
2009-01-09 Jakub Jelinek <jakub@redhat.com>
PR middle-end/38347
* dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
GET_MODE (op0) in operand_subword_force calls.
PR middle-end/38771
* fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
fold_convert arg0 operands to TREE_TYPE (op0) first.
2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
* params.def (ira-max-conflict-table-size): Decrease default value
to 1000.
2009-01-08 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/37031
* lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
on parameter_set.
(build_access_matrix): Reserve correct size for AM_MATRIX vector,
allocate it using gc instead of heap, use VEC_quick_push instead of
VEC_safe_push.
* graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
instead of heap, use VEC_quick_push instead of VEC_safe_push.
* tree-data-ref.h (struct access_matrix): Change matrix to gc
allocated vector from heap allocated.
* lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
* tree-loop-linear.c (linear_transform_loops): Allocate nest
vector only after perfect_loop_nest_depth call.
2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
Jan Sjodin <jan.sjodin@amd.com>
PR tree-optimization/38559
* graphite.c (debug_value, copy_constraint,
swap_constraint_variables, scale_constraint_variable, ): New.
(get_lower_bound, get_upper_bound): Removed.
(graphite_trans_bb_strip_mine): Clean up this code that works
only for constant number of iterations. Fully copy upper and
lower bound constraints, not only the constant part of them.
* graphite.h (debug_value): Declared.
2009-01-08 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/37194
* tree-vect-transform.c (vect_estimate_min_profitable_iters):
Don't add the cost of cost model guard in prologue to scalar
outside cost in case of known number of iterations.
2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
Alan Modra <amodra@bigpond.net.au>
* config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
non-word-aligned REG+CONST addressing.
2009-01-07 Uros Bizjak <ubizjak@gmail.com>
PR target/38706
* config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
free_after_compilation when outputting a thunk.
(alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
Do not call free_after_compilation here.
2009-01-07 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
(ix86_valid_target_attribute_inner_p): Ditto.
2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
PR tree-optimization/38492
PR tree-optimization/38498
* tree-check.c (operator_is_linear, scev_is_linear_expression): New.
* tree-chrec.h (scev_is_linear_expression): Declared.
* graphite.c (graphite_cannot_represent_loop_niter): New.
(scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
(graphite_loop_normal_form): Use gcc_assert.
(scan_tree_for_params): Use CASE_CONVERT.
(phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
(build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
Use gcc_assert. Discard scops that contain unhandled cases.
(build_scop_conditions): Return a boolean status for unhandled cases.
(strip_mine_profitable_p): Print the loop number, not its depth.
(is_interchange_valid): Pass the depth of the loop nest, don't
recompute it wrongly.
(graphite_trans_bb_block): Same.
(graphite_trans_bb_block): Print tentative of loop blocking.
(graphite_trans_scop_block): Do not print that the loop has been
blocked.
(graphite_transform_loops): Do not handle scops that contain condition
scalar phi nodes.
2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
AVX Programming Reference (December, 2008)
* config/i386/avxintrin.h (_mm256_stream_si256): New.
(_mm256_stream_pd): Likewise.
(_mm256_stream_ps): Likewise.
* config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
(ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
(bdesc_special_args): Add __builtin_ia32_movntdq256,
__builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
(ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
(ix86_expand_special_args_builtin): Likewise.
* config/i386/sse.md (AVXMODEDI): New.
(avx_movnt<mode>): Likewise.
(avx_movnt<mode>): Likewise.
(<sse>_movnt<mode>): Remove AVX support.
(sse2_movntv2di): Likewise.
2009-01-07 Richard Guenther <rguenther@suse.de>
PR middle-end/38751
* fold-const.c (extract_muldiv): Remove obsolete comment.
(fold_plusminus_mult_expr): Undo MINUS_EXPR
to PLUS_EXPR canonicalization for the canonicalization.
2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
* doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
hosted cross-compilers generating less efficient code.
2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
* function.h (rtl_data): Add a dbr_scheduled_p field.
* reorg.c (dbr_schedule): Set it.
(gate_handle_delay_slots): Check it.
* config/mips/mips.c (mips_base_delayed_branch): Delete.
(mips_reorg): Check flag_delayed_branch instead of
mips_base_delayed_branch.
(mips_override_options): Don't set mips_base_delayed_branch
or flag_delayed_branch.
2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
PR rtl-optimization/38426.
* ira.c (ira): Set current_function_is_leaf earlier.
2009-01-06 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/38722
* combine.c (try_combine): Don't modify PATTERN (i3) and notes
too early, only set a flag and modify after last possible
undo_all point.
2009-01-06 Janis Johnson <janis187@us.ibm.com>
PR c/34252
* ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
* real.c (decimal_single_format): Correct values of emin and emax.
(decimal_double_format): Ditto.
(decimal_quad_format): Ditto.
* c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
computation of DECnn_MIN and DECnn_MAX for corrected values of
emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
__DECnn_MIN__, and adjust its computation for the corrected value
of emin.
2009-01-06 Jan Hubicka <jh@suse.cz>
PR target/38744
* config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
* doc/contrib.texi (Contributors): Slightly adjust the end note.
Add Robert Clark to the list of testers.
2009-01-06 Jan Hubicka <jh@suse.cz>
Kai Tietz <kai.tietz@onevision.com>
* config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
* config/i386/i386.c (ix86_expand_call): Add clobbers.
2009-01-06 Jan Hubicka <jh@suse.cz>
Kai Tietz <kai.tietz@onevision.com>
* config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
for w64 ABI.
* config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
(ix86_nsaved_regs): Count only general purpose regs.
(ix86_nsaved_sseregs): New.
(ix86_compute_frame_layout): Update nsseregs; set preferred alignment
to 16 for w64; compute padding and size of sse reg save area.
(ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
general purpose regs.
(ix86_emit_save_sse_regs_using_mov): New.
(ix86_expand_prologue): Save SSE regs if needed.
(ix86_emit_restore_regs_using_mov): Use only general purpose regs.
(ix86_emit_restore_sse_regs_using_mov): New.
(ix86_expand_epilogue): Save SSE regs if needed.
2009-01-06 Jan Hubicka <jh@suse.cz>
Kai Tietz <kai.tietz@onevision.com>
* config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
* config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
functions when accumulate outgoing args is off.
2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
PR bootstrap/38742
* ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
before using pseudos_have_intersected_live_ranges_p.
* ira-int.h (ira_assert): Always define.
2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
AVX Programming Reference (December, 2008)
* config/i386/avxintrin.h (_mm_permute2_pd): Removed.
(_mm256_permute2_pd): Likewise.
(_mm_permute2_ps): Likewise.
(_mm256_permute2_ps): Likewise.
* config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
* config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
* config/i386/i386.c (ix86_builtins): Remove
IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
(ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
(bdesc_args): Remove __builtin_ia32_vpermil2pd,
__builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
__builtin_ia32_vpermil2ps256.
(ix86_init_mmx_sse_builtins): Updated.
(ix86_expand_args_builtin): Likewise.
2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
* pa.c (output_call): Relocate non-jump insns in the delay slot of
long absolute calls when generating PA 2.0 code.
2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/38583
* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
* params.def (ira-max-conflict-table-size): New.
* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
* ira.h (ira_conflicts_p): New external definition.
* ira-conflicts.c (build_conflict_bit_table): Do not build too big
table. Report this. Return result of building.
(ira_build_conflicts): Use ira_conflicts_p. Check result of
building conflict table.
* ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
(ira_color): Use ira_conflicts_p.
* global.c: Include ira.h.
(pseudo_for_reload_consideration_p, build_insn_chain): Use
ira_conflicts_p.
* Makefile.in (global.o): Add ira.h.
* ira-build.c (mark_all_loops_for_removal,
propagate_some_info_from_allocno): New.
(remove_unnecessary_allocnos): Call
propagate_some_info_from_allocno.
(remove_low_level_allocnos): New.
(remove_unnecessary_regions): Add parameter. Call
mark_all_loops_for_removal and remove_low_level_allocnos. Pass
parameter to remove_unnecessary_regions.
(ira_build): Remove all regions but root if the conflict table was
not built. Update conflict hard regs for allocnos crossing calls.
* ira.c (ira_conflicts_p): New global.
(ira): Define and use ira_conflicts_p.
* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
count_spilled_pseudo, find_reg, alter_reg, finish_spills,
emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2009-01-06 Ben Elliston <bje@au.ibm.com>
* gengtype-lex.l (YY_NO_INPUT): Define.
2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR c/34911
* c-common.c (handle_vector_size_attribute): Also reject
BOOLEAN_TYPE types.
2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
PR tree-optimization/38492
* graphite.c (rename_map_elt, debug_rename_elt,
debug_rename_map_1, debug_rename_map, new_rename_map_elt,
rename_map_elt_info, eq_rename_map_elts,
get_new_name_from_old_name, bb_in_sese_p): Moved around.
(sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
(sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
(sese_build_livein_liveouts): New.
(new_sese, free_sese): New.
(new_scop): Call new_sese.
(free_scop): Call free_sese.
(rename_variables_from_edge, rename_phis_end_scop): Removed.
(register_old_new_names): Renamed register_old_and_new_names.
(register_scop_liveout_renames, add_loop_exit_phis,
insert_loop_close_phis, struct igp,
default_liveout_before_guard, add_guard_exit_phis,
insert_guard_phis, copy_renames): New.
(translate_clast): Call insert_loop_close_phis and insert_guard_phis.
(sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
(rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
(scop_adjust_phis_for_liveouts): New.
(gloog): Call scop_adjust_phis_for_liveouts.
* graphite.h (struct sese): Documented. Added fields liveout,
num_ver and livein.
(SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
(new_sese, free_sese, sese_build_livein_liveouts): Declared.
(struct scop): Added field liveout_renames.
(SCOP_LIVEOUT_RENAMES): New.
2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
PR tree-optimization/38510
* graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
(translate_clast): Call recompute_all_dominators before
graphite_verify.
(gloog): Call recompute_all_dominators before graphite_verify.
2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
Jan Sjodin <jan.sjodin@amd.com>
PR tree-optimization/38500
* graphite.c (create_sese_edges): Call fix_loop_structure after
splitting blocks.
2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
* config.gcc: Add m32r*-*-rtems*.
* config/m32r/rtems.h: New file.
2009-01-05 Ben Elliston <bje@au.ibm.com>
* Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
(.po.pox): Likewise.
(po/gcc.pot): Likewise.
2009-01-04 David S. Miller <davem@davemloft.net>
* config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
(STARTING_FRAME_OFFSET): Always set to zero.
2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
* tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
* tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
fixed-point types, and vectors of the same.
2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
* config/mips/sync.md (*mb_barrier): Rename to...
(*memory_barrier): ...this.
2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
* doc/extend.texi (Function Attributes): Move @cindex after @item
for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
and put in alphabetical order. Fix 'target' name and put in order.
* doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
typos.
2009-01-04 Uros Bizjak <ubizjak@gmail.com>
* config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
(memory_barrier): Expand as unspec instead of unspec_volatile.
Remove mem:BLK from insn operands. Use Pmode scratch register.
(*memory_barrier): Define as unspec instead of unspec_volatile.
Use (match_dup 0) as input operand.
* config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
* config/sparc/sync.md (memory_barrier): Expand as unspec instead of
unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
scratch register. Remove operand 1.
(*stbar): Define as unspec instead of unspec_volatile.
Use (match_dup 0) as input operand, remove (const_int 8).
(*membar): Define as unspec instead of unspec_volatile.
Use (match_dup 0) as input operand, remove input operand 2.
* config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
(memory_barrier): Expand as unspec instead of unspec_volatile.
Remove mem:BLK from insn operands. Use Pmode scratch register.
(*memory_barrier): Define as unspec instead of unspec_volatile.
Use (match_dup 0) as input operand.
* config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
Remove mem:BLK from insn operands. Use Pmode scratch register.
Set volatile flag on operand 0.
(*memory_barrier): New insn pattern.
* config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
insn operands.
(*memory_barrier): Use (match_dup 0) as input operand.
* config/mips/sync.md (memory_barrier): Redefine as expander pattern.
Remove mem:BLK from insn operands. Use Pmode scratch register.
Set volatile flag on operand 0.
(*mb_internal): New insn pattern.
* config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
PR middle-end/38586
* function.c (struct temp_slot): Move to the section of the file
that deals with temp slots. Remove field 'address'.
(temp_slot_address_table): New hash table of address -> temp slot.
(struct temp_slot_address_entry): New struct, items for the table.
(temp_slot_address_compute_hash, temp_slot_address_hash,
temp_slot_address_eq, insert_temp_slot_address): Support functions
for the new table.
(find_temp_slot_from_address): Rewrite to use the new hash table.
(remove_unused_temp_slot_addresses): Remove addresses of temp
slots that have been made available.
(remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
worker function for remove_unused_temp_slot_addresses.
(assign_stack_temp_for_type): Don't clear the temp slot address list.
Add the temp slot address to the address -> temp slot map.
(update_temp_slot_address): Update via insert_temp_slot_address.
(free_temp_slots): Call remove_unused_temp_slot_addresses.
(pop_temp_slots): Likewise.
(init_temp_slots): Allocate the address -> temp slot map, or empty
the map if it is already allocated.
(prepare_function_start): Initialize temp slot processing.
2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
PR middle-end/38584
* cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
Calculate the size of all stack vars assuming no packing of stack
vars will happen, replacing a quadratic algorithm with a linear one.
2009-01-03 Jakub Jelinek <jakub@redhat.com>
PR target/38707
* expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
can't be used.
2009-01-03 Diego Novillo <dnovillo@google.com>
* doc/contrib.texi: Update contributions.
2009-01-03 Jakub Jelinek <jakub@redhat.com>
PR c++/38705
* builtins.c (fold_builtin_memory_op): Give up if either operand
is volatile. Set srctype or desttype to non-qualified version
of the other type.
PR c/38700
* builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
and FUNCTION_DECLs.
2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
PR rtl-optimization/35805
* df-problems.c (df_lr_finalize): Add recursive call to resolve lr
problem if fast dce is able to remove any instructions.
* dce.c (dce_process_block): Fix dump message.
2009-01-02 Mark Mitchell <mark@codesourcery.com>
PR 33649
* tree-ssa-pre.c (compute_antic): Correct loop bounds.
2009-01-02 Jakub Jelinek <jakub@redhat.com>
PR middle-end/38690
* tree-flow.h (op_code_prio, op_prio): New prototypes.
* tree-pretty-print.c (op_code_prio): New function.
(op_prio): No longer static. Use op_code_prio.
* gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
Use op_prio and op_code_prio to determine if () should be
printed around operand(s) or not.
* gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
pp_character instead of pp_string for single letter printing.
2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
* doc/extend.texi: Fix '#pragma GCC option' typo.
2009-01-02 Richard Guenther <rguenther@suse.de>
* doc/install.texi (--enable-checking): Mention different
default for stage1.
(--enable-stage1-checking): Document.
2009-01-01 Andrew Pinski <pinskia@gmail.com>
PR middle-end/30142
* tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
case to be an error.
2009-01-02 Ben Elliston <bje@au.ibm.com>
* config/fp-bit.h (pack_d): Constify argument.
* config/fp-bit.c (makenan): Constify return type. Remove casts.
(isnan): Constify argument.
(isinf): Likewise.
(iszero): Likewise.
(pack_d): Likewise.
(_fpadd_parts): Constify return type.
(_fpmul_parts): Likewise.
(_fpdiv_parts): Likewise.
2009-01-01 Jakub Jelinek <jakub@redhat.com>
PR c/36489
* c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
warn about overwriting initializer with side-effects or
-Woverride-init if !IMPLICIT.
(output_init_element): Likewise. Pass IMPLICIT down to
add_pending_init.
(process_init_element): Add IMPLICIT argument. Pass it down
to output_init_element.
(push_init_element, pop_init_level, set_designator): Adjust
process_init_element callers.
(set_nonincremental_init, set_nonincremental_init_from_string):
Adjust add_pending_init callers.
(output_pending_init_elements): Adjust output_init_element callers.
* c-tree.h (process_init_element): Adjust prototype.
* c-parser.c (c_parser_initelt, c_parser_initval): Adjust
process_init_element callers.
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