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Core DR 342
PR c++/48582
* pt.c (check_valid_ptrmem_cst_expr): A null member pointer value
is valid in C++11.
(convert_nontype_argument): Likewise. Implicitly convert nullptr
and do constant folding.
* mangle.c (write_template_arg_literal): Mangle null member
pointer values as 0.
* call.c (null_member_pointer_value_p): New.
* cp-tree.h: Declare it.
From-SVN: r178144
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From-SVN: r178142
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-Werror=maybe-uninitialized breaking i686-linux bootstrap)
2011-08-28 Mikael Pettersson <mikpe@it.uu.se>
PR bootstrap/50218
* tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Initialize
comp.
From-SVN: r178141
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From-SVN: r178139
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* doc/rtl.texi (simple_return): Document.
(parallel, PATTERN): Here too.
* doc/md.texi (return): Mention it's allowed to expand to simple_return
in some cases.
(simple_return): Document standard pattern.
* gengenrtl.c (special_rtx): SIMPLE_RETURN is special.
* final.c (final_scan_insn): Use ANY_RETURN_P on body.
* reorg.c (function_return_label, function_simple_return_label):
New static variables, replacing...
(end_of_function_label): ... this.
(simplejump_or_return_p): New static function.
(optimize_skip, steal_delay_list_from_fallthrough,
fill_slots_from_thread): Use it.
(relax_delay_slots): Likewise. Use ANY_RETURN_P on body.
(rare_destination, follow_jumps): Use ANY_RETURN_P on body.
(find_end_label): Take a new arg which is one of the two return
rtxs. Depending on which, set either function_return_label or
function_simple_return_label. All callers changed.
(make_return_insns): Make both kinds.
(dbr_schedule): Adjust for two kinds of end labels.
* function.c (emit_return_into_block): Set JUMP_LABEL properly.
* genemit.c (gen_exp): Handle SIMPLE_RETURN.
(gen_expand, gen_split): Use ANY_RETURN_P.
* df-scan.c (df_uses_record): Handle SIMPLE_RETURN.
* rtl.def (SIMPLE_RETURN): New code.
* ifcvt.c (find_if_case_1): Be more careful about
redirecting jumps to the EXIT_BLOCK.
* jump.c (condjump_p, condjump_in_parallel_p, any_condjump_p,
returnjump_p_1): Handle SIMPLE_RETURNs.
* print-rtl.c (print_rtx): Likewise.
* rtl.c (copy_rtx): Likewise.
* bt-load.c (compute_defs_uses_and_gen): Use ANY_RETURN_P.
* combine.c (simplify_set): Likewise.
* resource.c (find_dead_or_set_registers, mark_set_resources):
Likewise.
* emit-rtl.c (verify_rtx_sharing, classify_insn, copy_insn_1,
copy_rtx_if_shared_1, mark_used_flags): Handle SIMPLE_RETURNs.
(init_emit_regs): Initialize simple_return_rtx.
* cfglayout.c (fixup_reorder_chain): Pass a JUMP_LABEL to
force_nonfallthru_and_redirect.
* rtl.h (ANY_RETURN_P): Allow SIMPLE_RETURN.
(GR_SIMPLE_RETURN): New enum value.
(simple_return_rtx): New macro.
* basic-block.h (force_nonfallthru_and_redirect): Adjust
declaration.
* cfgrtl.c (force_nonfallthru_and_redirect): Take a new jump_label
argument. All callers changed. Be careful about what kinds of
returnjumps to generate.
* config/i386/3i86.c (ix86_pad_returns, ix86_count_insn_bb,
ix86_pad_short_function): Likewise.
* config/arm/arm.c (arm_final_prescan_insn): Handle both kinds
of return.
* config/mips/mips.md (any_return): New code_iterator.
(optab): Add cases for return and simple_return.
(return): Expand to a simple_return.
(simple_return): New pattern.
(*<optab>, *<optab>_internal for any_return): New patterns.
(return_internal): Remove.
* config/mips/mips.c (mips_expand_epilogue): Make the last insn
a simple_return_internal.
From-SVN: r178135
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* config/i386/sse.md (*absneg<mode>2): Fix split condition.
(vec_extract_lo_<mode>): Prevent both operands in memory.
(vec_extract_lo_v16hi): Ditto.
(*vec_extract_v4sf_mem): Add TARGET_SSE insn constraint.
* config/i386/sse.md (mulv16qi3): Attach REG_EQUAL note.
(*sse2_mulv4si3): Ditto.
(mulv2di3): Ditto.
* config/i386/i386.c (legitimize_tls_address): Change REG_EQIV
notes to REG_EQUAL.
From-SVN: r178132
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split insn) with __builtin_ia32_pcmpistri128)
PR target/50202
* config/i386/sse.md (sse4_2_pcmpestr): Emit NOTE_INSN_DELETED note
when all outputs are unused.
(sse4_2_pcmpestr): Ditto.
testsuite/ChangeLog:
PR target/50202
* gcc.target/i386/pr50202.c: New test.
From-SVN: r178130
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From-SVN: r178129
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* config/i386/i386.c (ix86_build_const_vector): Rewrite using loop
with RTVEC_ELT accessor.
From-SVN: r178124
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* config/i386/i386.md (round<mode>2): New expander.
* config/i386/i386.c (enum ix86_builtins): Add
IX86_BUILTIN_ROUND{PS,PD}_AZ{,256}.
(struct builtin_description): Add __builtin_ia32_round{ps,pd}_az{,256}
descriptions.
(ix86_builtin_vectorized_function): Handle BUILT_IN_ROUND{,F} builtins.
testsuite/ChangeLog:
* gcc.target/i386/sse_4_1-round-vec.c: New test.
* gcc.target/i386/sse_4_1-roundf-vec.c: New test.
* gcc.target/i386/avx-round-vec.c: New test.
* gcc.target/i386/avx-roundf-vec.c: New test.
From-SVN: r178123
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PR middle-end/50083
* convert.c (convert_to_integer) <BUIT_IN_ROUND{,F,L}>: Convert
only when TARGET_C99_FUNCTIONS.
<BUILT_IN_NEARBYINT{,F,L}>: Ditto.
<BUILT_IN_RINT{,F,L}>: Ditto.
From-SVN: r178119
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PR lto/50165
* lto-streamer-in.c (canon_file_name): Initialize new_slot->len;
don't call strlen twice, use memcpy.
Co-Authored-By: Jakub Jelinek <jakub@redhat.com>
From-SVN: r178118
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2011-08-26 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/bmi2intrin.h: Allow in <immintrin.h>.
* config/i386/bmiintrin.h: Likewise.
* config/i386/lzcntintrin.h: Likewise.
* config/i386/immintrin.h: Include <lzcntintrin.h>,
<bmiintrin.h> and <bmi2intrin.h>.
From-SVN: r178117
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PR target/50166
* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Check count in main.
* configure: Regenerate.
From-SVN: r178116
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* trans-decl.c (get_proc_pointer_decl): Set DECL_TLS_MODEL
if threadprivate.
* symbol.c (check_conflict): Allow threadprivate attribute with
FL_PROCEDURE if proc_pointer.
* testsuite/libgomp.fortran/threadprivate4.f90: New test.
From-SVN: r178114
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* gcc.target/i386/cmpxchg16b-1.c: Match also space after the
instruction.
From-SVN: r178113
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PR c/50179
* c-typeck.c (c_process_expr_stmt): Skip over nops and
call mark_exp_read even if exprv is ADDR_EXPR.
* c-c++-common/Wunused-var-14.c: New test.
From-SVN: r178110
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df_set_dead_notes_for_mw.
gcc/
* df-problems.c (df_note_bb_compute): Pass uses rather than defs
to df_set_dead_notes_for_mw.
From-SVN: r178109
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2011-08-26 Richard Guenther <rguenther@suse.de>
* varasm.c (decode_addr_const): Handle MEM_REF[&X, OFF].
From-SVN: r178107
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2011-08-26 Tom de Vries <tom@codesourcery.com>
* gcc.dg/tree-ssa/ivopts-lt.c: New test.
From-SVN: r178105
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2011-08-26 Zdenek Dvorak <ook@ucw.cz>
Tom de Vries <tom@codesourcery.com>
* tree-ssa-loop-ivopts.c (struct cost_pair): Add comp field.
(struct ivopts_data): Add loop_single_exit_p field.
(niter_for_exit): Change parameter desc_p into return value. Return
desc if desc->may_be_zero. Free desc if unused.
(niter_for_single_dom_exit): Change return type.
(find_induction_variables): Handle changed return type of
niter_for_single_dom_exit. Dump may_be_zero.
(add_candidate_1): Keep original base and step type for IP_ORIGINAL.
(set_use_iv_cost): Add and handle comp parameter.
(determine_use_iv_cost_generic, determine_use_iv_cost_address): Add
comp argument to set_use_iv_cost.
(strip_wrap_conserving_type_conversions, expr_equal_p)
(difference_cannot_overflow_p, iv_elimination_compare_lt): New function.
(may_eliminate_iv): Add comp parameter. Handle new return type of
niter_for_exit. Use loop_single_exit_p. Use iv_elimination_compare_lt.
(determine_use_iv_cost_condition): Add comp argument to set_use_iv_cost
and may_eliminate_iv.
(rewrite_use_compare): Move call to iv_elimination_compare to ...
(may_eliminate_iv): Here.
(tree_ssa_iv_optimize_loop): Initialize loop_single_exit_p.
Co-Authored-By: Tom de Vries <tom@codesourcery.com>
From-SVN: r178104
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TREE_TYPE.
2011-08-26 Tom de Vries <tom@codesourcery.com>
* tree-pretty-print (dump_generic_node): Test for NULL_TREE before
accessing TREE_TYPE.
From-SVN: r178103
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Add conditional compare support for Thumb2.
From-SVN: r178102
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From-SVN: r178101
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2011-08-26 Richard Guenther <rguenther@suse.de>
* expr.c (string_constant): Handle &MEM_REF.
From-SVN: r178100
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2011-08-26 Andrew Stubbs <ams@codesourcery.com>
gcc/
* config/arm/arm.c (struct four_ints): New type.
(count_insns_for_constant): Delete function.
(find_best_start): Delete function.
(optimal_immediate_sequence): New function.
(optimal_immediate_sequence_1): New function.
(arm_gen_constant): Move constant splitting code to
optimal_immediate_sequence.
Rewrite constant negation/invertion code.
gcc/testsuite/
* gcc.target/arm/thumb2-replicated-constant1.c: New file.
* gcc.target/arm/thumb2-replicated-constant2.c: New file.
* gcc.target/arm/thumb2-replicated-constant3.c: New file.
* gcc.target/arm/thumb2-replicated-constant4.c: New file.
2011-08-26 Andrew Stubbs <ams@codesourcery.com>
gcc/
* config/arm/arm-protos.h (const_ok_for_op): Add prototype.
* config/arm/arm.c (const_ok_for_op): Add support for addw/subw.
Remove prototype. Remove static function type.
* config/arm/arm.md (*arm_addsi3): Add addw/subw support.
Add arch attribute.
* config/arm/constraints.md (Pj, PJ): New constraints.
From-SVN: r178099
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From-SVN: r178098
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From-SVN: r178095
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From-SVN: r178091
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From-SVN: r178088
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gfc_done_2)
2011-08-25 Mikael Morin <mikael.morin@gcc.gnu.org>
PR fortran/50050
* expr.c (gfc_free_shape): Do nothing if shape is NULL.
(free_expr0): Remove redundant NULL shape check.
* resolve.c (check_host_association): Ditto.
* trans-expr.c (gfc_trans_subarray_assign): Assert that shape is
non-NULL.
* trans-io.c (transfer_array_component): Ditto.
2011-08-25 Mikael Morin <mikael.morin@gcc.gnu.org>
PR fortran/50050
* gfortran.dg/pointer_comp_init_1.f90: New test.
From-SVN: r178086
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with -fno-asynchronous-unwind-tables and long double)
PR 50132
PR 49864
* cfgcleanup.c (old_insns_match_p): Don't allow cross-jump for
non-constant stack adjutment.
* expr.c (find_args_size_adjust): Break out from ...
(fixup_args_size_notes): ... here.
* rtl.h (find_args_size_adjust): Declare.
From-SVN: r178084
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From-SVN: r178082
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conversion)
PR c++/50157
* call.c (convert_like_real): Exit early if bad and !tf_error.
From-SVN: r178081
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* config/i386/i386.md (isa): Add sse2, sse2_noavx, sse3,
sse4 and sse4_noavx.
(enabled): Handle sse2, sse2_noavx, sse3, sse4 and sse4_noavx.
(*pushdf_rex64): Change Y2 register constraint to x.
(*movdf_internal_rex64): Ditto.
(*zero_extendsidi2_rex64): Ditto.
(*movdi_internal): Change Y2 register constraint to x
and update "isa" attribute.
(*pushdf): Ditto.
(*movdf internal): Ditto.
(zero_extendsidi2_1): Ditto.
(*truncdfdf_mixed): Ditto.
(*truncxfdf2_mixed): Ditto.
* config/i386/mmx.md (*mov<mode>_internal_rex64): Change Y2
register constraint to x.
(*movv2sf_internal_rex64): Ditto.
(*mov<mode>_internal): Change Y2 register constraint to x
and add "isa" attribute.
(*movv2sf_internal): Ditto.
(*vec_extractv2si_1): Ditto.
* config/i386/sse.md ("vec_set<mode>_0): Change Y2 and Y4 register
constraints to x and update "isa" attribute.
(*vec_interleave_highv2df): Change Y3 registerconstraint
to x and update "isa" attribute.
(*vec_interleave_lowv2df): Ditto.
(*vec_concatv2df): Change Y2 register constraint to x and
update "isa" attribute.
(sse2_loadld): Ditto.
(*vec_extractv2di_1): Ditto.
(*vec_dupv4si): Ditto.
(*vec_dupv2di): Ditto.
(*vec_concatv4si): Ditto.
(vec_concatv2di): Ditto.
* config/i386/constraints.md (Y2): Remove.
(Y3): Ditto.
(Y4): Ditto.
From-SVN: r178073
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2011-08-25 Tobias Burnus <burnus@net-b.de>
* trans-array.c (gfc_conv_descriptor_token): Add assert.
* trans-decl.c (gfc_build_qualified_array,
create_function_arglist): Handle assumed-shape arrays.
* trans-expr.c (gfc_conv_procedure_call): Ditto.
* trans-types.c (gfc_get_array_descriptor_base): Ditto, don't
add "caf_token" to assumed-shape descriptors, new akind argument.
(gfc_get_array_type_bounds): Pass akind.
* trans.h (lang_decl): New elements caf_offset and token.
(GFC_DECL_TOKEN, GFC_DECL_CAF_OFFSET): New macros.
2011-08-25 Tobias Burnus <burnus@net-b.de>
* gfortran.dg/coarray_lib_token_4.f90: New.
From-SVN: r178069
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components.
2011-08-25 Tobias Burnus <burnus@net-b.de>
* trans-array.c (structure_alloc_comps): Fix for allocatable
scalar coarray components.
* trans-expr.c (gfc_conv_component_ref): Ditto.
* trans-type.c (gfc_get_derived_type): Ditto.
2011-08-25 Tobias Burnus <burnus@net-b.de>
* gfortran.dg/coarray/alloc_comp_1.f90: New.
From-SVN: r178068
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From-SVN: r178067
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* regrename.c (scan_rtx_reg, scan_rtx_address, build_def_use,
dump_def_use_chain): Don't declare.
(mark_conflict, create_new_chain): Move before users.
(regrename_optimize): Move to near end of file.
From-SVN: r178065
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* config/avr-protos.h (byte_immediate_operand): Remove Prototype.
(secondary_input_reload_class): Remove Prototype.
* config/avr/avr.c (byte_immediate_operand): Remove Function.
* config/avr/avr.md (setmemhi): Use u8_operand.
(strlenhi): Use const0_rtx for comparison.
* config/avr/avr.h (avr_reg_order): Remove Declaration.
From-SVN: r178064
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* config/avr/avr.c (reg_class_tab): Make local to
avr_regno_reg_class. Return smallest register class available.
From-SVN: r178063
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* config/avr/avr.c (STR_PREFIX_P): New Define.
(avr_asm_declare_function_name): Use it.
(avr_asm_named_section): Use it.
(avr_section_type_flags): Use it.
From-SVN: r178062
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2011-08-25 Richard Guenther <rguenther@suse.de>
* gcc.dg/Wshadow-3.c: Restore original content destroyed by r148442.
From-SVN: r178061
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* doc/md.texi (automata_option): Document collapse-ndfa.
* genautomata.c (COLLAPSE_OPTION): New macro.
(collapse_flag): New static variable.
(struct description): New member normal_decls_num.
(struct automaton): New members advance_ainsn and collapse_ainsn.
(gen_automata_option): Check for COLLAPSE_OPTION.
(collapse_ndfa_insn_decl): New static variable.
(add_collapse_ndfa_insn_decl, special_decl_p): New functions.
(find_arc): If insn is the collapse-ndfa insn, accept any arc we
find.
(transform_insn_regexps): Call add_collapse_ndfa_insn_decl if
necessary. Use normal_decls_num rather than decls_num, remove
test for special decls.
(create_alt_states, form_ainsn_with_same_reservs): Use
special_decl_p.
(make_automaton); Likewise. Use the new advance_cycle_insn member
of struct automaton.
(create_composed_state): Disallow advance-cycle arcs if collapse_flag
is set.
(NDFA_to_DFA): Don't create composed states for the collapse-ndfa
transition. Create the necessary transitions for it.
(create_ainsns): Return void. Take an automaton_t argument, and
update its ainsn_list, advance_ainsn and collapse_ainsn members. All
callers changed.
(COLLAPSE_NDFA_VALUE_NAME): New macro.
(output_tables): Output code to define it.
(output_internal_insn_code_evaluation): Output code to accept
const0_rtx as collapse-ndfa transition.
(output_default_latencies, output_print_reservation_func,
output_print_description): Reorganize loops to use normal_decls_num
as loop bound; remove special case for advance_cycle_insn_decl.
(initiate_automaton_gen): Handle COLLAPSE_OPTION.
(check_automata_insn_issues): Check for collapse_ainsn.
(expand_automate): Allocate sufficient space. Initialize
normal_decls_num.
From-SVN: r178059
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* config/avr/avr.md: Fix indentation from r177991.
From-SVN: r178058
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* regrename.c (struct du_head): Remove member terminated.
(create_new_chain): Don't initialize it.
(scan_rtx_reg): Don't set or test it, test the open_chains_set
bitmap instead.
(tick, this_tick): New global variables, moved out of
regrename_optimize.
(current_id, open_chains, closed_chains, open_chains_set,
live_in_chains, live_hard_regs): Reorder declarations.
(dump_def_use_chain): Move function earlier in the file.
(rename_chains): New static function, broken out of
regrename_optimize.
(regrename_optimize): Use it. Remove #if 0'ed code.
From-SVN: r178057
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2011-08-25 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
* varasm.c: (default_binds_local_p_1): Commentary typo fix.
From-SVN: r178055
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From-SVN: r178053
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gccgo: fixes to ast-dump, refactoring of export and ast-dump
to implement a common interface for writing basic
type literals and added flags for optimization.
* lang.opt: Add fgo-optimize-.
* go-lang.c (go_langhook_handle_option): Handle OPT_fgo_optimize.
* go-c.h (go_enable_optimize): Declare.
* Make-lang.in (GO_OBJS): Add go/go-optimize.o.
(GO_EXPORT_H): Define.
(GO_IMPORT_H): Add $(GO_EXPORT_H).
(GO_AST_DUMP_H): Define.
(go/ast-dump.o, go/statements.o): Use GO_AST_DUMP_H.
(go/export.o, go/gogo.o, go/import.o): Use GO_EXPORT_H.
(go/types.o): Likewise.
(go/expressions.o): Use GO_AST_DUMP_H and GO_EXPORT_H.
(go/go-optimize.o): New target.
From-SVN: r178046
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From-SVN: r178040
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