* lto-streamer-out.c (produce_symtab): Stream out the newly represented
	aliases.

From-SVN: r174956

	* ipa-prop.c (ipa_make_edge_direct_to_target): Fix code setting varying args.
	(ipa_update_after_lto_read): Likewise.
	(ipa_write_node_info): Do not sream call_with_var_arguments.
	(ipa_read_node_info): Likewise.

From-SVN: r174955

From-SVN: r174954

2011-06-11  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* testsuite/20_util/allocator_traits/requirements/typedefs.cc: Check
	for allocator_type and value_type.

From-SVN: r174953

	* lto-symtab.c (lto_cgraph_replace_node): Kill same body alias code.
	(lto_symtab_resolve_can_prevail_p): Likewise.
	(lto_symtab_merge_cgraph_nodes): Update merging of aliases.
	* cgraph.c (same_body_aliases_done): New global var.
	(cgraph_same_body_alias_1): Rename to ...
	(cgraph_create_function_alias): ... this one; reorg to new
	representation.
	(cgraph_same_body_alias): Use cgraph_create_function_alias;
	record references when asked to.
	(cgraph_add_thunk): Fix formating.
	(cgraph_get_node): Kill same body alias code.
	(cgraph_node_for_asm): Likewise.
	(cgraph_remove_same_body_alias): Remove.
	(cgraph_remove_node): Kill same body alias code.
	(cgraph_mark_address_taken_node): Mark also the aliased function
	as having address taken.
	(dump_cgraph_node): Dump same body aliases.
	(cgraph_for_node_thunks_and_aliases): Update for new alias
	representation.
	(cgraph_for_node_and_aliases): Likewise.
	* cgraph.h (same_body): Kll pointer.
	(same_body_alias): Update comment.
	(same_body_aliases_done): Declare.
	(cgraph_remove_same_body_alias): Remove declaration.
	(cgraph_create_function_alias): Declare.
	(cgraph_process_same_body_aliases): Declare.
	(cgraph_function_with_gimple_body_p): Check for alias.
	(cgraph_can_remove_if_no_direct_calls_p): Look for aliases.
	(cgraph_alias_aliased_node): New function.
	(cgraph_function_node): Update for new aliases.
	(cgraph_function_or_thunk_node): Likewise.
	* ipa-inline-transform.c (can_remove_node_now_p): Look for aliases.
	(inline_call): Remove dead aliases.
	* cgraphunit.c (cgraph_decide_is_function_needed): Disable assembler name
	hack for same body aliases.
	(clone_of_p): Look through aliases.
	(verify_cgraph_node): Verify aliases.
	(cgraph_analyze_function): Analyze aliases; fixup C++ bugs.
	(cgraph_process_same_body_aliases): New function.
	(process_function_and_variable_attributes): Disable weakref warning on
	alias.
	(cgraph_analyze_functions): Handle aliases.
	(cgraph_mark_functions_to_output): Handle aliases same way as thunks.
	(assemble_thunks): Rename to ...
	(assemble_thunks_and_aliases): ... this one; handle aliases, too.
	(cgraph_expand_function): Remove alias output code.
	(cgraph_output_in_order): Skip aliases.
	(cgraph_preserve_function_body_p): Aliases don't need preserving.
	* ipa-ref.c (ipa_ref_use_name): Add alias reference.
	(ipa_record_reference): Do not assert on alias references.
	(ipa_ref_has_aliases_p): New function.
	* ipa-ref.h (enum ipa_ref_use): Add IPA_REF_ALIAS.
	(ipa_ref_has_aliases_p): Declare.
	* lto-cgraph.c (lto_output_node): Handle aliases.
	(input_node): Likewise.
	* lto-streamer-out.c (lto_output): Skip aliases.
	(produce_symtab): Kill same_body_alias code.
	* ipa-utils.c (ipa_reverse_postorder): Add FIXME.
	(ipa_reverse_postorder): Use cgraph_only_called_directly_or_aliased_p.
	* ipa-inline.c (update_caller_keys): Walk aliases.
	(inline_small_functions): Fix thinko in previous patch.
	* ipa.c (cgraph_externally_visible_p): Do not walk aliases.
	(function_and_variable_visibility): Do not walk same body aliases.
	* tree-ssa-structalias.c (associate_varinfo_to_alias): New function.
	(ipa_pta_execute): Use it.

	* lto.c (add_cgraph_node_to_partition_1): Break out from ...
	(add_cgraph_node_to_partition) ... here; walk aliases.
	(lto_1_to_1_map): Remove same body alias code.
	(promote_fn): Likewise.
	(lto_promote_cross_file_statics): Update comment.

	* decl2.c (cp_write_global_declarations): Process aliases; look trhough
	same body aliases.

From-SVN: r174952

2011-06-11  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* testsuite/30_threads/packaged_task/uses_allocator.cc: New.
	* testsuite/30_threads/promise/uses_allocator.cc: Likewise.

From-SVN: r174949

	* config/i386/sse.md (vec_dupv4sf): Correct mode of forced register.
	(*vec_dupv2df): Rename from vec_dupv2df.
	(vec_dupv2df): New expander.

	* config/i386/sse.md (AVX_VEC_DUP_MODE): Rename from AVX256MODE24P.

From-SVN: r174948

From-SVN: r174947

From-SVN: r174946

	* config/i386/i386.md: Use default value in "isa" attribute.
	* config/i386/sse.md: Ditto.
	* config/i386/mmx.md: Ditto.

From-SVN: r174945

frontend-passes.c (optimize_assignment): Follow chains of concatenation operators to the end for removing trailing TRIMS...

2011-05-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

	* frontend-passes.c (optimize_assignment): Follow chains
	of concatenation operators to the end for removing trailing
	TRIMS for assignments.

2011-05-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

	* gfortran.dg/trim_optimize_7.f90:  New test.

From-SVN: r174944

From-SVN: r174943

	* go-gcc.cc: Include "toplev.h".
	(Gcc_backend::immutable_struct): New function.
	(Gcc_backend::immutable_struct_set_init): New function.
	(Gcc_backend::immutable_struct_reference): New function.
	* Make-lang.in (go/go-gcc.o): Depend on toplev.h.

From-SVN: r174941

	* config/arm/ldmstm.md (ldm2_ia, stm2_ia, ldm2_ib, stm2_ib, ldm2_da,
	stm2_da, ldm2_db, stm2_db): Add condition !arm_arch7 to these insns.
	(ldrd, ldrd_reg1, ldrd_reg2 and peephole2): New insn patterns and
	related peephole2.
	(strd, strd_reg1, strd_reg2 and peephole2): New insn patterns and
	related peephole2.

	* config/arm/arm-protos.h (arm_check_ldrd_operands): New prototype.
	(arm_legitimate_ldrd_p): New prototype.
	(arm_output_ldrd): New prototype.

	* config/arm/arm.c (arm_check_ldrd_operands): New function.
	(arm_legitimate_ldrd_p): New function.
	(arm_output_ldrd): New function.

	* gcc.target/arm/pr45335.c: New test.

	* gcc.target/arm/pr45335-2.c: New test.

	* gcc.target/arm/pr45335-3.c: New test.

	* gcc.target/arm/pr40457-1.c: Add another possible output "ldrd".

	* gcc.target/arm/pr40457-2.c: Changed to store 3 words.

	* gcc.target/arm/pr40457-3.c: Changed to store 3 words.

From-SVN: r174940

From-SVN: r174938

From-SVN: r174930

	* cgraph.c (cgraph_set_nothrow_flag_1): Update cgraph after
	setting the nothrow flag.
	* ipa-reference.c (propagate): Skip aliases.
	* ipa-pure-const.c (propagate_pure_const): Skip aliases.
	(propagate_nothrow): Skip aliases; do not update cgraph.
	(local_pure_const): Do not update cgraph.
	* tree-profile.c (tree_profiling): Do fixup_cfg.

From-SVN: r174929

/cp
2011-06-10  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/41769
	* decl.c (grokdeclarator): Reject operator names in parameters.

/testsuite
2011-06-10  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/41769
	* g++.dg/parse/error39.C: New.

From-SVN: r174927

	* ipa.c (cgraph_non_local_node_p_1): Break out from ...;
	(cgraph_local_node_p): ... here; handle aliases.
	(has_addr_references_p): Break out from ...;
	(cgraph_remove_unreachable_nodes) ... here.

From-SVN: r174925

	* opts.c (default_options): Enlist OPT_finline_functions_called_once.
	* common.opt (flag_inline_functions_called_once):Do not initialize to 1.

From-SVN: r174924

	* decl2.c (clear_decl_external): New functoin.
	(cp_write_global_declarations): Use it.

From-SVN: r174922

	* gcc/testsuite/gcc.target/arm/20090811-1.c: Skip for incompatible
	options, do not override other options.
	* gcc/testsuite/gcc.target/arm/combine-cmp-shift.c: Skip for
	incompatible options.
	* gcc/testsuite/gcc.target/arm/pr45094.c: Likewise.
	* gcc/testsuite/gcc.target/arm/scd42-1.c: Likewise.
	* gcc/testsuite/gcc.target/arm/scd42-3.c: Likewise.
	* gcc/testsuite/gcc.target/arm/thumb-ltu.c: Likewise.

From-SVN: r174920

	(check_effective_target_arm_neon_fp16_ok_nocache): Return 0 if
	multilib flags use -mfpu with a value other than neon-fp16.

From-SVN: r174919

2011-06-10  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/ext/throw_allocator.h: Use noexcept.
	* include/ext/pool_allocator.h: Likewise.
	* include/ext/bitmap_allocator.h: Likewise.
	* include/ext/new_allocator.h: Likewise.
	* include/ext/malloc_allocator.h: Likewise.
	* include/ext/array_allocator.h: Likewise.
	* include/ext/mt_allocator.h: Likewise.
	* include/ext/extptr_allocator.h: Likewise.
	* testsuite/util/testsuite_allocator.h: Likewise; do not include
	<cassert> directly, include <testsuite_hooks.h> instead.

From-SVN: r174918

2011-06-10  Benjamin Kosnik  <bkoz@redhat.com>

	* include/ext/pb_ds/*: Doxygen markup redo.
	* include/Makefile.am: Fold in constructors_destructor_fn_imps.hpp.
	* include/Makefile.in: Regenerate.

From-SVN: r174917

	* ipa-cp.c (ipcp_versionable_function_p): Thunks are not versionable.
	(ipcp_initialize_node_lattices): Do not deal with aliases; Do not try to
	propagate through thunks.
	(ipcp_change_tops_to_bottom): Do not deal with aliases.

From-SVN: r174916

	* ipa-prop.c (ipa_write_node_info): Stream jump functions for indirect
	calls.
	(ipa_read_node_info): Likewise.

From-SVN: r174915

2011-06-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR lto/49302
	* tree-ssa-math-opts.c (powi_as_mults): Minor cleanup.
	(build_and_insert_call): Likewise.
	(build_and_insert_ref): New.
	(gimple_expand_builtin_pow): Minor cleanup.
	(gimple_expand_builtin_cabs): New.
	(execute_cse_sincos): Add case for BUILT_IN_CABS.

From-SVN: r174912

	* ipa-cp.c (ipcp_versionable_function_p): Aliases are not versionable.
	(ipcp_cloning_candidate_p): Aliases are not clonning candidates.
	(ipcp_initialize_node_lattices): We don't propagate through an aliases.
	(ipcp_propagate_stage): Skip aliases when propagating.
	(ipcp_need_redirect_p): Skip aliases.
	(ipcp_insert_stage): Use FOR_EACH_FUNCTION_WITH_GIMPLE_BODY and
	collect_callers_of_node.
	* ipa-prop.c (ipa_init_func_list): Do not analyze datastructures
	for aliases.
	(ipa_compute_jump_functions): Look through aliases.

From-SVN: r174911

	* gcc.dg/torture/tls/tls.exp: Load torture-options.exp.
	Run tests with -fpic/-fPIC, -pie -fpie/-fPIE if supported.

From-SVN: r174910

	gcc:
	* doc/sourcebuild.texi (Effective-Target Keywords, pie): Document it.

	gcc/testsuite:
	* lib/target-supports.exp (check_effective_target_pie): New proc.
	* gcc.dg/pie-link.c: Use target pie.

From-SVN: r174909

	* ira-costs.c: Remove #ifdefs on dead FORBIDDEN_INC_DEC_CLASSES.
	Adjust comments.
	* system.h (FORBIDDEN_INC_DEC_CLASSES): Poison.

From-SVN: r174908

From-SVN: r174907

2011-06-10  Jason Merrill  <jason@redhat.com>

	* testsuite/20_util/bind/ref_neg.cc: Remove dg-excess-errors,
	fix dg-error markup.

From-SVN: r174906

ipa-cp.c (ipcp_process_devirtualization_opportunities): Update call of gimple_get_virt_method_for_binfo.

	* ipa-cp.c (ipcp_process_devirtualization_opportunities):
	Update call of gimple_get_virt_method_for_binfo.
	* gimple-fold.c (gimple_get_virt_method_for_binfo): Remove
	refuse_thunks parameter.
	(gimple_fold_call): Update.
	* ipa-prop.c (try_make_edge_direct_virtual_call): Update.

From-SVN: r174905

	* tree-sra.c (all_callers_have_enough_arguments_p): Rename to ...
	(not_all_callers_have_enough_arguments_p): ... this one; turn into
	worker for cgraph_for_node_and_aliases.
	(convert_callers_for_node): Break out from ...
	(convert_callers): ... here.
	(modify_function): Use collect_callers_of_node.
	(ipa_early_sra): Use cgraph_for_node_and_aliases.

From-SVN: r174904

2011-06-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49361
	* fold-const.c (fold_binary_loc): Only fold x * x to pow (x, 2.0)
	when not already in gimple form.

From-SVN: r174903

2011-06-10  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/49344
	* tree-ssa-math-opts.c (convert_mult_to_fma): Use
	FOR_EACH_PHI_OR_STMT_USE.

From-SVN: r174902

	* ipa-inline-transform.c (can_remove_node_now_p): Move out of...
	(clone_inlined_nodes): ... here.
	(inline_call): Use cgraph_function_or_thunk_node; redirect edge
	to real destination prior inlining.
	* ipa-inline.c (caller_growth_limits, can_inline_edge_p,
	can_early_inline_edge_p, want_early_inline_function_p,
	want_early_inline_function_p, want_inline_small_function_p,
	want_inline_self_recursive_call_p, want_inline_function_called_once_p,
	edge_badness, update_all_callee_keys, lookup_recursive_calls,
	add_new_edges_to_heap, inline_small_functions, flatten_function,
	inline_always_inline_functions, early_inline_small_functions): Use
	cgraph_function_or_thunk_node.
	* ipa-inline-analysis.c (evaluate_conditions_for_edge,
	dump_inline_edge_summary, estimate_function_body_sizes): Likewise.
	(do_estimate_edge_growth_1): Break out from ...
	(do_estimate_growth) ... here; walk aliases.
	(inline_generate_summary): Skip aliases.

From-SVN: r174901

tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Scan stmts forward when combining, visit inserted stmts when a stmt was changed.

2011-06-10  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (ssa_forward_propagate_and_combine):
	Scan stmts forward when combining, visit inserted stmts when
	a stmt was changed.

From-SVN: r174900