2015-11-20  Alan Hayward <alan.hayward@arm.com>
	
	PR tree-optimization/68413
	* tree-vect-loop.c (vect_analyze_scalar_cycles_1): Cache
	evolution base
	(vectorizable_reduction): Use cached base

From-SVN: r230658

    
    Test case sent as https://golang.org/cl/17081.
    
    Reviewed-on: https://go-review.googlesource.com/17082

From-SVN: r230657

2015-11-20  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (build_new_reduction): Fix trailing whitespace in
	dump-file string.
	(try_create_reduction_list): Same.  Fix typo in dump-file string.

From-SVN: r230655

	* clang-format: Split content of a list to multiple
	lines.

From-SVN: r230654

2015-11-20  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* lib/target-supports.exp
	(check_effective_target_arm_neon_ok_nocache): Add check
	for M profile.

From-SVN: r230653

	* doc/md.texi (Standard Names): Move entry for addptr3 around,
	add entries for addv4, subv4, mulv4, umulv4 and negv3, fixes
	glitch in entries for cbranch4 and jump.

From-SVN: r230651

2015-11-20  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/68373
	* tree-scalar-evolution.c (final_value_replacement_loop): Factor out of ...
	(scev_const_prop): ... here.
	* tree-scalar-evolution.h (final_value_replacement_loop): Declare.
	* tree-parloops.c (try_create_reduction_list): Call
	final_value_replacement_loop.

	* gcc.dg/autopar/pr68373.c: New test.

From-SVN: r230650

	* ChangeLog: Fix whitespace.
	* testsuite/ChangeLog: Ditto.

From-SVN: r230649

From-SVN: r230648

	PR tree-optimization/52272
	* tree-ssa-loop-ivopts.c (struct iv_common_cand): New struct.
	(struct iv_common_cand_hasher): New struct.
	(iv_common_cand_hasher::hash): New function.
	(iv_common_cand_hasher::equal): New function.
	(struct ivopts_data): New fields, iv_common_cand_tab and
	iv_common_cands.
	(tree_ssa_iv_optimize_init): Initialize above fields.
	(record_common_cand, common_cand_cmp): New functions.
	(add_iv_candidate_derived_from_uses): New function.
	(add_iv_candidate_for_use): Record iv_common_cands derived from
	iv use in hash table, instead of adding candidates directly.
	(add_iv_candidate_for_uses): Call add_iv_candidate_derived_from_uses.
	(record_important_candidates): Add important candidates to iv uses'
	related_cands.  Always keep related_cands for future use.
	(try_add_cand_for): Use iv uses' related_cands.
	(free_loop_data, tree_ssa_iv_optimize_finalize): Release new fields
	in struct ivopts_data, iv_common_cand_tab and iv_common_cands.

From-SVN: r230647

	PR c++/67354
	* cp-tree.h (defer_mangling_aliases): Declare.
	(generate_mangling_aliases): New prototype.
	* decl2.c (defer_mangling_aliases): New variable.
	(note_mangling_alias): Use !defer_mangling_aliases
	instead of at_eof.
	(generate_mangling_aliases): No longer static. Clear
	defer_mangling_aliases.
	* optimize.c (maybe_thunk_body): Defer emitting mangling aliases
	if !defer_mangling_aliases until the fns are put into the same
	comdat group.

	* g++.dg/abi/mangle67.C: New test.

From-SVN: r230646

gcc/testsuite/ChangeLog:
	* gcc.target/s390/bswap-1.c: New test.

gcc/ChangeLog:
	* config/s390/s390.md ("bswaphi2"): New pattern.

From-SVN: r230643

gcc/ChangeLog

	* config/s390/s390.md (GPR1_REGNUM): New constant.
	("*trunc<BFP:mode><DFP_ALL:mode>2")
	("*trunc<DFP_ALL:mode><BFP:mode>2")
	("trunc<BFP:mode><DFP_ALL:mode>2")
	("trunc<DFP_ALL:mode><BFP:mode>2")
	("*extend<BFP:mode><DFP_ALL:mode>2")
	("*extend<DFP_ALL:mode><BFP:mode>2")
	("extend<BFP:mode><DFP_ALL:mode>2")
	("extend<DFP_ALL:mode><BFP:mode>2"): Clobber r1.

gcc/testsuite/ChangeLog

	* gcc.target/s390/pfpo.c: New test.

From-SVN: r230642

gcc/testsuite/
	* c-c++-common/attr-simd-3.c: Put xfail (PR68158) on dg-error.
	* c-c++-common/attr-simd.c: Limit scan of dump to x86_64/i?86.

From-SVN: r230641

gcc/c/ChangeLog:
	* c-typeck.c (lookup_field_fuzzy): Move determination of closest
	candidate into a new function, find_closest_identifier.

gcc/cp/ChangeLog:
	* cp-tree.h (lookup_member_fuzzy): New decl.
	* search.c: Include spellcheck.h.
	(class lookup_field_fuzzy_info): New class.
	(lookup_field_fuzzy_info::fuzzy_lookup_fnfields): New.
	(lookup_field_fuzzy_info::fuzzy_lookup_field): New.
	(lookup_field_fuzzy_r): New.
	(lookup_member_fuzzy): New.
	* typeck.c (finish_class_member_access_expr): When issuing
	a "has no member named" error, call lookup_member_fuzzy, and
	offer any result as a suggestion.

gcc/ChangeLog:
	* spellcheck-tree.c (find_closest_identifier): New function, taken
	from c/c-typeck.c:lookup_field_fuzzy, with NULL corrected to
	NULL_TREE in two places.
	* spellcheck.h (find_closest_identifier): New decl.

gcc/testsuite/ChangeLog:
	* g++.dg/spellcheck-fields.C: New file.

From-SVN: r230638

From-SVN: r230637

	gcc/cp/
	* except.c (do_free_exception): Use transactional wrapper.

	libitm/
	* testsuite/libitm.c++/eh-5.C: New.
	* libitm.h (_ITM_cxa_free_exception): New.
	* libitm.map (_ITM_cxa_free_exception): Add it.
	* libitm.texi: Update ABI docs.
	* libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove.
	(gtm_transaction_cp::cxa_uncaught_count): Add.
	(gtm_thread::cxa_unthrown): Remove.
	(gtm_thread::cxa_uncaught_count_ptr): Add.
	(gtm_thread::cxa_uncaught_count): Add.
	(gtm_thread::drop_references_allocations): Rename to...
	(gtm_thread::discard_allocation): ... this and adapt.
	(gtm_thread::init_cpp_exceptions): New.
	* beginend.cc (gtm_thread::gtm_thread): Adapt EH handling.
	(gtm_thread::begin_transaction): Likewise.
	(gtm_transaction_cp::save): Likewise.
	(gtm_thread::trycommit): Likewise.
	* eh_cpp.cc: Add overview comments.
	(__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare.
	(free_any_exception, _ITM_cxa_free_exception): New.
	(gtm_thread::init_cpp_exceptions): Define.
	(_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt.
	(_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise.
	(gtm_thread::revert_cpp_exceptions): Likewise.

From-SVN: r230634

From-SVN: r230633

Co-Authored-By: Sebastian Pop <s.pop@samsung.com>

From-SVN: r230632

Co-Authored-By: Sebastian Pop <s.pop@samsung.com>

From-SVN: r230631

Co-Authored-By: Sebastian Pop <s.pop@samsung.com>

From-SVN: r230630

	PR c++/68422

	* cp-tree.h (PACK_EXPANSION_SIZEOF_P): New.
	* parser.c (cp_parser_sizeof_pack): Set it.
	* pt.c 	(tsubst_copy) [SIZEOF_EXPR]: Likewise.
	(tsubst_pack_expansion): Improve T... shortcut for expression packs.

From-SVN: r230629

	gcc/
	* config/nvptx/nvptx.h (SUPPORTS_WEAK): Define.
	* config/nvptx/nvptx.c (nvptx_write_function_decl): Support
	DECL_WEAK.
	(nvptx_declare_objec_name): Likewise.

	gcc/testsuite/
	* lib/target-supports.exp (check_weak_available): Add nvptx-*-*.
	* gcc.dg/attr-weakref-1.c: Skip for nvptx-*-*
	* gcc.dg/special/weak-2.c: Likewise.
	* gcc.dg/weak/weak-12.c: Likewise.
	* gcc.dg/weak/weak-15.c: Likewise.
	* gcc.dg/weak/weak-16.c: Likewise.
	* gcc.dg/weak/weak-1.c: Likewise.
	* gcc.dg/weak/weak-2.c: Likewise.
	* gcc.dg/weak/weak-4.c: Likewise.
	* gcc.dg/torture/pr53922.c: Likewise.
	* gcc.dg/torture/pr60092.c: Likewise.

From-SVN: r230628

	PR c/68412
	* c-typeck.c (parser_build_binary_op): Properly handle
	C_MAYBE_CONST_EXPR before calling warn_tautological_cmp.

	* gcc.dg/pr68412-2.c: New test.
	* gcc.dg/pr68412.c: New test.

From-SVN: r230627

With and without this patch passes bootstrap on x86_64-linux with and without ISL.
The problem occurs on systems with older linkers that do not remove dead symbols.

From-SVN: r230625

	* libgomp.oacc-c-c++-common/reduction-dbl.c: New.
	* libgomp.oacc-c-c++-common/reduction-flt.c: New.
	* libgomp.oacc-c-c++-common/reduction-cplx-dbl.c: Use typedef.
	* libgomp.oacc-c-c++-common/reduction-cplx-flt.c: Use typedef.
	* libgomp.oacc-c-c++-common/reduction-2.c: Uncomment broken tests
	and fix.
	* libgomp.oacc-c-c++-common/reduction-3.c: Likewise.
	* libgomp.oacc-c-c++-common/reduction-4.c: Likewise.

From-SVN: r230621

	PR c++/68396

2015-11-19  Ryan Burn  <contact@rnburn.com>

	* pt.c (find_parameter_packs_r) [DECLTYPE_TYPE]: When traversing
	the DECLTYPE_TYPE_EXPR, set type_pack_expansion_p to false.

From-SVN: r230620

2015-11-19  David Edelsohn  <dje.gcc@gmail.com>

        Revert
	2015-11-18  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (use_toc_relative_ref): Ignore
	type-limits warning.

From-SVN: r230619

	* tree.h (desired_pro_or_demotion_p): New function.
	* tree-vrp.c (simplify_cond_using_ranges): Call it.

	* gcc.dg/tree-ssa/vrp98.c: New testcase.
	* gcc.target/avr/uint8-single-reg.c: New testcase.

From-SVN: r230618

2015-11-19  Bob Duff  <duff@adacore.com>
        
	* sem_elab.adb (Check_Internal_Call_Continue): Correction to previous
	change: correctly handle generic formals/actuals that look like
	renamings.

From-SVN: r230617

liboffloadmic/
	* plugin/libgomp-plugin-intelmic.cpp (struct TargetImageDesc): New.
	(ImgDescMap): New typedef.
	(image_descriptors): New static var.
	(init): Allocate image_descriptors.
	(offload): Remove vars2 argument.  Pass NULL to __offload_offload1
	instead of vars2.
	(unregister_main_image): New static function.
	(register_main_image): Call unregister_main_image at exit.
	(GOMP_OFFLOAD_init_device): Print device number, fix offload args.
	(GOMP_OFFLOAD_fini_device): Likewise.
	(get_target_table): Remove vd1g and vd2g, don't pass them to offload.
	(offload_image): Remove declaration of the struct TargetImage.
	Free table.  Insert new descriptor into image_descriptors.
	(GOMP_OFFLOAD_unload_image): Call __offload_unregister_image, free
	the corresponding descriptor, and remove it from address_table and
	image_descriptors.
	(GOMP_OFFLOAD_alloc): Print device number, remove vd1g.
	(GOMP_OFFLOAD_free): Likewise.
	(GOMP_OFFLOAD_host2dev): Print device number, remove vd1g and vd2g.
	(GOMP_OFFLOAD_dev2host): Likewise.
	(GOMP_OFFLOAD_run): Print device number, remove vd1g.
	* plugin/offload_target_main.cpp (__offload_target_table_p1): Remove
	vd2, don't pass it to __offload_target_enter.
	(__offload_target_table_p2): Likewise.
	(__offload_target_alloc): Likewise.
	(__offload_target_free): Likewise.
	(__offload_target_host2tgt_p1): Likewise.
	(__offload_target_host2tgt_p2): Likewise.
	(__offload_target_tgt2host_p1): Likewise.
	(__offload_target_tgt2host_p2): Likewise.
	(__offload_target_run): Likewise.
	(__offload_target_tgt2tgt): Remove vd1g, don't pass it to
	__offload_target_enter.

From-SVN: r230614

	PR c++/67409
	* decl.c (identify_goto): Add LOC and DIAG_KIND arguments, call
	emit_diagnostic instead of permerror.
	(check_previous_goto_1): Adjust identify_goto callers, treat all
	cases but crossing initialization and entering scope of decl with
	non-trivial dtor as unconditional hard errors.
	(check_goto): Use identify_goto.  Treat all cases but crossing
	initialization and entering scope of decl with non-trivial dtor
	as unconditional hard errors.

	* g++.dg/eh/goto3.C: New test.

Co-Authored-By: Manuel López-Ibáñez <manu@gcc.gnu.org>

From-SVN: r230613

	* fwprop.c (update_uses): Use flag_checking instead of
	gcc_checking_assert.

From-SVN: r230612

gcc/ChangeLog:
	* doc/gty.texi (Support for inheritance): Fix missing
	parentheses in example.

From-SVN: r230609

	PR tree-optimization/68431
	* tree-vrp.c (extract_range_from_binary_expr_1): Fix condition.

	* gcc.dg/tree-ssa/pr68431.c: New test.

From-SVN: r230608

	gcc/cp/
	* parser.h (struct cp_omp_declare_simd_data): Add clauses member.
	(struct cp_parser): Change type the of oacc_routine to
	cp_omp_declare_simd_data.
	* parser.c (cp_ensure_no_oacc_routine): Rework to use
	cp_omp_declare_simd_data.
	(cp_parser_simple_declaration): Remove boolean first.  Update call to
	cp_parser_init_declarator. Don't NULL out oacc_routine.
	(cp_parser_init_declarator): Remove boolean first parameter.  Update
	calls to cp_finalize_oacc_routine.
	(cp_parser_late_return_type_opt): Handle acc routines. 
	(cp_parser_member_declaration): Remove first variable.  Handle
	acc routines like omp declare simd.
	(cp_parser_function_definition_from_specifiers_and_declarator): Update
	call to cp_finalize_oacc_routine.
	(cp_parser_single_declaration): Update call to
	cp_parser_init_declarator.
	(cp_parser_save_member_function_body): Remove first_decl parameter.
	Update call to cp_finalize_oacc_routine.
	(cp_parser_finish_oacc_routine): Delete.
	(cp_parser_oacc_routine): Rework to use cp_omp_declare_simd_data.
	(cp_parser_late_parsing_oacc_routine): New function.
	(cp_finalize_oacc_routine): Remove first argument.  Add more error
	handling and set the acc routine and 'omp declare target' attributes.
	(cp_parser_pragma): Remove unnecessary call to
	cp_ensure_no_oacc_routine.

From-SVN: r230607

	* config/nvptx/nvptx.md (atomic_compare_and_swap<mode>_1,
	atomic_exchange<mode>): Input values can be immediates.

From-SVN: r230606

	PR lto/61313
	* configure.ac (PLUGIN_LD_SUFFIX): Do not touch the value specified
	by the user.
	* configure: Regenerate.

From-SVN: r230603

	* clang-format: Enhance list of FOR_EACH macros.

From-SVN: r230602

	* .gitignore: Add .clang-format to ignored files.
	* Makefile.in: Add clang-format.
	* Makefile.tpl: Likewise.
	* clang-format: New file.

From-SVN: r230601