* dwarf2out.c (struct external_ref, build_local_stub): New.
	(hash_external_ref, external_ref_eq, lookup_external_ref): New.
	(optimize_external_refs, optimize_external_refs_1): New.
	(change_AT_die_ref): New.
	(clone_as_declaration): Add DW_AT_signature when cloning a declaration.
	(build_abbrev_table): Take the external refs hashtable.
	(output_comp_unit): Get it from optimize_external_refs and pass it in.

From-SVN: r187116

	PR middle-end/53093
	* tree-emutls.c (new_emutls_decl): Fix handling of aliases.

From-SVN: r187115

	PR middle-end/53106
	* ipa.c (cgraph_remove_unreachable_nodes): Fix handling of clones.

From-SVN: r187114

From-SVN: r187111

From-SVN: r187110

From-SVN: r187108

	* dwarf2out.c (die_struct): Add comdat_type_p flag.  Use it instead of
	use_debug_types to discriminate the die_id union.
	(print_die, assign_symbol_names, copy_decls_walk): Likewise.
	(build_abbrev_table, output_die): Likewise.
	(prune_unused_types_walk_attribs): Likewise.
	(generate_type_signature, copy_declaration_context): Set it.
	(remove_child_or_replace_with_skeleton): Set it.
	(dwarf2out_start_source_file, dwarf2out_end_source_file): Don't
	check use_debug_types.
	(dwarf2out_finish): Do break_out_includes after .debug_types.

From-SVN: r187107

	* dwarf2out.c (modified_type_die): Use scope_die_for.
	(gen_type_die_with_usage, dwarf2out_finish): Likewise.
	(uses_local_type_r, uses_local_type): New.
	(scope_die_for): Keep a type that uses a local type in local scope.
	Use get_context_die for namespace and type scope.

From-SVN: r187106

	* config/i386/i386.c (ix86_code_end): Set DECL_IGNORED_P on the
	pc thunk.
	* dwarf2out.c (output_aranges): Skip DECL_IGNORED_P functions.
	(dwarf2out_finish): Likewise.

From-SVN: r187105

From-SVN: r187103

        * acinclude.m4 (LIBAT_TEST_ATOMIC_BUILTIN): Handle compilation
        failure in gcc_no_link path.
        * configure: Rebuild.

From-SVN: r187102

builtins.c (get_object_alignment_1): Return whether we can determine the alignment or conservatively assume byte...

2012-05-03  Martin Jambor  <mjambor@suse.cz>

	* builtins.c (get_object_alignment_1): Return whether we can determine
	the alignment or conservatively assume byte alignment.  Return the
	alignment by reference.  Use get_pointer_alignment_1 for dereference
	alignment.
	(get_pointer_alignment_1): Return whether we can determine the
	alignment or conservatively assume byte alignment.  Return the
	alignment by reference.  Use get_ptr_info_alignment to get SSA name
	alignment.
	(get_object_alignment): Update call to get_object_alignment_1.
	(get_object_or_type_alignment): Likewise, fall back to type alignment
	only when it returned false.
	(get_pointer_alignment): Update call to get_pointer_alignment_1.
	* fold-const.c (get_pointer_modulus_and_residue): Update call to
	get_object_alignment_1.
	* ipa-prop.c (ipa_modify_call_arguments): Update call to
	get_pointer_alignment_1.
	* tree-sra.c (build_ref_for_offset): Likewise, fall back to the type
	of MEM_REF or TARGET_MEM_REF only when it returns false.
	* tree-ssa-ccp.c (get_value_from_alignment): Update call to
	get_object_alignment_1.
	(ccp_finalize): Use set_ptr_info_alignment.
	* tree.h (get_object_alignment_1): Update declaration.
	(get_pointer_alignment_1): Likewise.
	* gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment.
	(dump_gimple_stmt): Likewise.
	* tree-flow.h (ptr_info_def): Updated comments of fields align and
	misalign.
	(get_ptr_info_alignment): Declared.
	(mark_ptr_info_alignment_unknown): Likewise.
	(set_ptr_info_alignment): Likewise.
	(adjust_ptr_info_misalignment): Likewise.
	* tree-ssa-address.c (copy_ref_info): Use new access functions to get
	and set alignment of SSA names.
	* tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call
	mark_ptr_info_alignment_unknown.
	* tree-ssanames.c (get_ptr_info_alignment): New function.
	(mark_ptr_info_alignment_unknown): Likewise.
	(set_ptr_info_alignment): Likewise.
	(adjust_ptr_info_misalignment): Likewise.
	(get_ptr_info): Call mark_ptr_info_alignment_unknown.
	* tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
	Likewise.
	(bump_vector_ptr): Likewise.
	* tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment.
	(vectorizable_store): Likewise.
	(vectorizable_load): Likewise.

From-SVN: r187101

        * config/mh-ppc-aix (LDFLAGS): Quote $(CC).

From-SVN: r187100

	* basic-block.h (struct rtl_bb_info, struct gimple_bb_info): Move
	in front of basic_block_def.
	(struct basic_block_def): Make il.gimple the full struct, not a
	pointer.
	(__assert_gimple_bb_smaller_rtl_bb): Asserting typedef.

	* cfgexpand.c (expand_gimple_basic_block): Clear all il.gimple
	members.
	* gimple-iterator.c (gimple_stmt_iterator): Don't special case
	NULL il.gimple, which can't happen anymore.
	* gimple.h (bb_seq): il.gimple can't be NULL.
	(bb_seq_add): Ditto.
	(set_bb_seq): Adjust.
	(gsi_start_bb, gsi_last_bb): Tidy.
	* lto-streamer-in.c (make_new_block): Don't zero members that
	are zeroed already, don't allocate a gimple_bb_info.
	* tree-cfg.c (create_bb): Don't allocate a gimple_bb_info.
	(remove_bb): Clear all il.gimple members.
	(gimple_verify_flow_info): Adjust for flat il.gimple.
	* tree-flow-inline.h (phi_nodes, phi_nodes_ptr, set_phi_nodes): Adjust.

	* coretypes.h (const_gimple_seq): Remove typedef.
	* gimple.h (gimple_seq_first): Take gimple_seq.
	(gimple_seq_first_stmt): Ditto.
	(gimple_seq_last): Ditto.
	(gimple_seq_last_stmt): Ditto.
	(gimple_seq_empty_p): Ditto.

From-SVN: r187099

/cp
2012-05-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53186
	* call.c (build_over_call): Handle final member functions
	and class types.
	(build_new_method_call_1): Do not handle here.

/testsuite
2012-05-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53186
	* g++.dg/other/final2.C: New.

From-SVN: r187097

2012-05-03  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (valid_in_sets): Remove checking of trapping
	operations.
	(prune_clobbered_mems): Do it here.  Do not uselessly sort
	expressions.
	(compute_avail): Do not add possibly trapping operations to
	EXP_GEN if they might not be executed in the block.

	* gcc.dg/tree-ssa/ssa-pre-27.c: Remove XFAIL.

From-SVN: r187096

	* config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Remove.

From-SVN: r187095

	* gcc.target/i386/hle-cmpxchg-acq-1.c (dg-options): Add -march=x86-64.
	* gcc.target/i386/hle-xadd-acq-1.c (dg-options): Ditto.
	* gcc.target/i386/hle-cmpxchg-rel-1.c (dg-options): Ditto.
	* gcc.target/i386/hle-xadd-rel-1.c (dg-options): Ditto.

From-SVN: r187094

	* tree-switch-conversion.c (gen_inbound_check): Free post-dominance
	information as early as possible.  Update dominance info instead of
	discarding it.

From-SVN: r187093

2012-05-03  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (debug_bitmap_sets_for): New function.
	(union_contains_value): Remove.
	(vro_valid_in_sets): Likewise.
	(op_valid_in_sets): New function.
	(valid_in_sets): Use op_valid_in_sets.
	(insert_into_preds_of_block): Move dumping ...
	(do_regular_insertion): ... here.
	(do_partial_partial_insertion): ... and here.  Dump that
	we've found a partial partial redundancy.
	(insert): Dump the current insert iteration.

From-SVN: r187092

	PR plugins/53126
	* gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
	append program name to it and pass that as first argument
	to make_relative_prefix.  Always pass standard_libexec_prefix
	as last argument to make_relative_prefix.  If
	make_relative_prefix returns NULL, fall back to
	standard_libexec_prefix.

From-SVN: r187090

	* gcc.target/i386/hle-xadd-rel-1.c: Match .byte 0xf3 instead of
	.byte 0xf2.
	* gcc.target/i386/hle-sub-rel-1.c: Likewise.
	* gcc.target/i386/hle-xchg-rel-1.c: Likewise.
	* gcc.target/i386/hle-add-rel-1.c: Likewise.

From-SVN: r187089

	PR debug/53174
	* tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
	removed.

	* gcc.dg/pr53174.c: New test.

From-SVN: r187087

	PR target/53187
	* config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
	mode, return that mode.

	* gcc.target/arm/pr53187.c: New test.
	* gcc.c-torture/compile/pr53187.c: New test.

From-SVN: r187085

	PR target/53194
	* config/i386/i386-c.c (ix86_target_macros_internal): Don't
	define __ATOMIC_HLE_* macros here.
	(ix86_target_macros): But here, using cpp_define_formatted.

From-SVN: r187084

2012-05-03  Richard Guenther  <rguenther@suse.de>

	* gfortran.dg/pr52621.f90: Add -w to avoid diagnostic about
	unsupported prefetching support.

From-SVN: r187082

gcc/testsuite

2012-05-03  Greta Yorsh  <Greta.Yorsh@arm.com>

       * gcc.dg/fixed-point/composite-type.c (dg-options): Add
       option -ftrack-macro-expansion=0.
       * gcc.dg/fixed-point/operator-bitwise.c (dg-options): Add
       option -ftrack-macro-expansion=0.

From-SVN: r187081

builtin-stringop-chk-1.c (dg-options): Replace dg-options for target arm with dg-additional-options.

gcc/testsuite

2012-05-02  Greta Yorsh  <Greta.Yorsh@arm.com>

	* gcc.dg/builtin-stringop-chk-1.c (dg-options): Replace
	dg-options for target arm with dg-additional-options.

From-SVN: r187079

2012-05-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53144
	* tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
	Rename to ...
	(vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
	with SSA name values.
	(vn_reference_lookup_3): Adjust callers.

	* gcc.dg/torture/pr53144.c: New testcase.

From-SVN: r187078

With -march=native generate fma3 instruction by default for AMD processors which support both fma and fma4

From-SVN: r187077

2012-05-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/52864
        * interface.c (compare_parameter_intent): Remove.
        (check_intents): Remove call, handle CLASS pointer.
        (compare_actual_formal): Handle CLASS pointer.

2012-05-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/52864
        * gfortran.dg/pointer_intent_7.f90: New.
        * gfortran.dg/pure_formal_3.f90: New.

From-SVN: r187076

        PR target/53201
        * config/i386/driver-i386.c (host_detect_local_cpu): Add space to
        "-mno-hle".

From-SVN: r187075

	PR bootstrap/53197
	* tree-ssa-dse.c (dse_optimize_stmt): Take pointer to
	iterator.
	(dse_enter_block): Properly iterate the whole sequence even
	if the last statement was removed.

From-SVN: r187074

From-SVN: r187072

	* doc/xml/faq.xml: Update outdated allocator documentation.
	* doc/xml/manual/allocator.xml: Likewise.
	* doc/xml/manual/debug.xml: Likewise.
	* doc/xml/manual/evolution.xml: Likewise.
	* doc/xml/manual/using.xml: Likewise.

From-SVN: r187068

2012-05-02  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/44015
	* include/bits/basic_ios.h: Add tparam markup for
	* doxygen.  include/bits/basic_string.h: Same.
	* include/bits/forward_list.h: Same.
	* include/bits/stl_bvector.h: Same.
	* include/bits/stl_deque.h: Same.
	* include/bits/stl_list.h: Same.  include/bits/stl_map.h:
	* Same.  include/bits/stl_multimap.h: Same.
	* include/bits/stl_multiset.h: Same.
	* include/bits/stl_pair.h: Same.
	* include/bits/stl_queue.h: Same.
	* include/bits/stl_set.h: Same.
	* include/bits/stl_stack.h: Same.
	* include/bits/stl_vector.h: Same.
	* include/bits/unordered_map.h: Same.
	* include/bits/unordered_set.h: Same.  include/std/array:
	* Same.  include/std/atomic: Same.  include/std/fstream:
	* Same.  include/std/istream: Same.  include/std/ostream:
	* Same.  include/std/sstream: Same.
	* include/std/streambuf: Same.
	* testsuite/23_containers/deque/requirements/dr438/*:
          Adjust line numbers.
	* testsuite/23_containers/list/requirements/dr438/*: Same.
	* testsuite/23_containers/vector/requirements/dr438/*: Same.

From-SVN: r187066

	* config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): For pic code,
	unset flag_jump_tables.
	* stmt.c (expand_case): Remove special flag_pic case conditional
	on ASM_OUTPUT_ADDR_DIFF_ELT not being defined.

From-SVN: r187065

s390-common.c (s390_option_optimization_table): Enable -fsched-pressure using -fsched-pressure-algorithm=model by default when...

2012-05-02  Ulrich Weigand  <ulrich.weigand@linaro.org>

	gcc/
	* common/config/s390/s390-common.c (s390_option_optimization_table):
	Enable -fsched-pressure using -fsched-pressure-algorithm=model by
	default when optimizing.

	gcc/testsuite/
	* gcc.target/s390/20030123-1.c: Add missing "volatile".

From-SVN: r187064

2012-05-02  Martin Jambor  <mjambor@suse.cz>

	PR lto/52605
	* dwarf2out.c (dwarf2out_decl): Only lookup die representing context
	of a variable when the contect is a function.

	* gcc/testsuite/g++.dg/lto/pr52605_0.C: New test.

From-SVN: r187063

* crossconfig.m4: Since we know that all TPF builds are cross-
builds and cannot run configuration-time link tests, do not
allow it; just go with known supported linker options.
* configure: Regenerate (called as GLIBCXX_CROSSCONFIG).

From-SVN: r187062