PR tree-optimization/77503
	* tree-vect-loop.c (vectorizable_reduction): Record reduction
	code for CONST_COND_REDUCTION at analysis stage and use it at
	transform stage.
	* tree-vectorizer.h (struct _stmt_vec_info): New field.
	(STMT_VINFO_VEC_CONST_COND_REDUC_CODE): New macro.
	* tree-vect-stmts.c (new_stmt_vec_info): Initialize above new
	field.

	gcc/testsuite
	* gcc.dg/vect/pr77503.c: New test.

From-SVN: r240166

2016-09-15  Richard Biener  <rguenther@suse.de>

	PR middle-end/77544
	* fold-const.c (split_tree): Do not split constant ~X.

	* c-c++-common/torture/pr77544.c: New testcase.

From-SVN: r240164

	PR rtl-optimization/77425
	* sched-int.h (sd_iterator_cond): Don't update it_ptr->linkp if list
	is NULL.

From-SVN: r240163

	PR middle-end/77475
	* config/i386/i386.c (ix86_parse_stringop_strategy_string): Simplify,
	use %qs instead of %s where desirable, use argument instead of arg in
	the diagnostic wording, add list of supported strategies and
	spellcheck hint.
	(ix86_option_override_internal): Emit target("m...") instead of
	option("m...") in the diagnostic.  Use %qs instead of %s in invalid
	-march/-mtune option diagnostic.  Add list of supported arches/tunings
	and spellcheck hint.  Remove prefix, suffix and sw variables, use
	main_args_p ? "..." : "..." in diagnostics to make translation
	possible.

	* gcc.target/i386/pr65990.c: Adjust expected diagnostics.
	* gcc.dg/march-generic.c: Likewise.
	* gcc.target/i386/spellcheck-options-1.c: New test.
	* gcc.target/i386/spellcheck-options-2.c: New test.
	* gcc.target/i386/spellcheck-options-3.c: New test.
	* gcc.target/i386/spellcheck-options-4.c: New test.

From-SVN: r240162

	* doc/xml/manual/debug_mode.xml: Minor editorial fixes.
	* doc/html/*: Regenerate.

From-SVN: r240161

	* testsuite/23_containers/vector/debug/insert6_neg.cc: Remove
	-Wno-deprecated.
	* testsuite/util/debug/checks.h (generate_unique<bool>): Specialize.

From-SVN: r240160

From-SVN: r240159

2016-09-15  Richard Biener  <rguenther@suse.de>

	* dwarf2asm.h (dw2_asm_output_offset): Add overload with
	extra offset argument.
	* dwarf2asm.c (dw2_asm_output_offset): Implement that.
	* doc/tm.texi.in (ASM_OUTPUT_DWARF_OFFSET): Adjust documentation
	to reflect new offset parameter.
	* doc/tm.texi: Regenerate.
	* config/darwin.h (ASM_OUTPUT_DWARF_OFFSET): Adjust.
	* config/darwin-protos.h (darwin_asm_output_dwarf_delta): Add
	offset argument.
	(darwin_asm_output_dwarf_offset): Likewise.
	* config/darwin.c (darwin_asm_output_dwarf_delta): Add offset
	argument.
	(darwin_asm_output_dwarf_offset): Pass offset argument through.
	* config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Adjust.
	* config/i386/cygmin.h (ASM_OUTPUT_DWARF_OFFSET): Likewise.

From-SVN: r240158

	* testsuite/23_containers/vector/debug/insert6_neg.cc: Remove
	-Wno-deprecated.
	* testsuite/util/debug/checks.h (generate_unique<bool>): Specialize.

From-SVN: r240157

2016-09-15  Chung-Lin Tang  <cltang@codesourcery.com>

	PR fortran/72743
	* ipa-icf.c (set_alias_uids): New function.
	(sem_variable::merge): Use set_alias_uids to set DECL_PT_UID of
	all the merged variable's referring aliases.

	testsuite/
	* gfortran.dg/goacc/pr72743.f90: New test.

From-SVN: r240155

2016-09-15  Richard Biener  <rguenther@suse.de>

	* gcc.dg/fold-reassoc-2.c: Fix dump scan.

From-SVN: r240154

2016-09-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/77514
	* tree-ssa-pre.c (create_expression_by_pieces): Handle garbage
	only forced_stmts sequence.

	* gcc.dg/torture/pr77514.c: New testcase.

From-SVN: r240153

Iterator to visit SSA
gcc/ChangeLog:

2016-09-15  Kugan Vivekanandarajah  <kuganv@linaro.org>

	* tree-ssanames.h (FOR_EACH_SSA_NAME): New.
	* cfgexpand.c (update_alias_info_with_stack_vars): Use
	FOR_EACH_SSA_NAME to iterate over SSA variables.
	(pass_expand::execute): Likewise.
	* omp-simd-clone.c (ipa_simd_modify_function_body): Likewise.
	* tree-cfg.c (dump_function_to_file): Likewise.
	* tree-into-ssa.c (pass_build_ssa::execute): Likewise.
	(update_ssa): Likewise.
	* tree-ssa-alias.c (dump_alias_info): Likewise.
	* tree-ssa-ccp.c (ccp_finalize): Likewise.
	* tree-ssa-coalesce.c (build_ssa_conflict_graph): Likewise.
	(create_outofssa_var_map): Likewise.
	(coalesce_ssa_name): Likewise.
	* tree-ssa-operands.c (dump_immediate_uses): Likewise.
	* tree-ssa-pre.c (compute_avail): Likewise.
	* tree-ssa-sccvn.c (init_scc_vn): Likewise.
	(scc_vn_restore_ssa_info): Likewise.
	(free_scc_vn): Likwise.
	(run_scc_vn): Likewise.
	* tree-ssa-structalias.c (compute_points_to_sets): Likewise.
	* tree-ssa-ter.c (new_temp_expr_table): Likewise.
	* tree-ssa-copy.c (fini_copy_prop): Likewise.
	* tree-ssa.c (verify_ssa): Likewise.

From-SVN: r240152

From-SVN: r240151

	PR c++/77549
	* name-lookup.c (consider_binding_level): Look through TREE_LIST
	and OVERLOAD.

	* g++.dg/lookup/pr77549.C: New test.

From-SVN: r240148

    
    Reviewed-on: https://go-review.googlesource.com/29154

From-SVN: r240146

gcc/
	* config.gcc (mips*-mti-elf*, mips*-mti-linux*): Set mips32r2
	and mips64r2 as default 32-bit and 64-bit architectures.
	(mips*-img-elf*, mips*-img-linux*): Set mips32r6 and mips64r6
	as default 32-bit and 64-bit architectures.

From-SVN: r240145

2016-09-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * simplify.c (gfc_simplify_repeat): Fix a misplaced closing ')'.

From-SVN: r240142

	* typeck.c (cp_build_unary_op): Diagnose incrementing boolean
	expressions.  Tweak an error message.

	* c-c++-common/gomp/atomic-12.c: Use -Wno-deprecated.
	* c-c++-common/gomp/atomic-13.c: Likewise.
	* c-c++-common/gomp/atomic-14.c: Likewise.
	* g++.dg/cpp1y/lambda-init11.C: Remove invalid code.
	* g++.dg/cpp1z/bool-increment1.C: New test.
	* c-c++-common/pr60439.c: Add dg-warning.
	* g++.dg/expr/bitfield4.C: Likewise.
	* g++.dg/expr/bitfield5.C: Likewise.
	* g++.dg/expr/bitfield6.C: Likewise.
	* g++.dg/expr/bool1.C: Likewise.
	* g++.dg/expr/bool3.C: Likewise.
	* g++.dg/expr/lval3.C: Likewise.
	* g++.dg/expr/lval4.C: Likewise.
	* g++.old-deja/g++.jason/bool5.C: Likewise.
	* g++.dg/expr/bitfield3.C: Adjust dg-error.
	* g++.dg/other/error18.C: Likewise.
	* g++.dg/gomp/atomic-14.C: Likewise.
libgomp/
	* testsuite/libgomp.c++/atomic-3.C: Use -Wno-deprecated.
libstdc++-v3/
	* testsuite/23_containers/vector/debug/insert6_neg.cc: Use
	-Wno-deprecated.

From-SVN: r240141

	* loop-unroll.c (unroll_loop_runtime_iterations): Set probability of succ edge.

From-SVN: r240140

	* c-common.c (check_cxx_fundamental_alignment_constraints): Don't
	limit FIELD_DECL, either.

From-SVN: r240139

re PR c++/77539 (gcc-5/6: comparison of array to nullptr failure in constexpr (fixed by r235506 on trunk))

	PR c++/77539
	* g++.dg/cpp1y/pr77539.C: New.

From-SVN: r240138

	* c-common.c (c_common_truthvalue_conversion): Use false instead of 0.
	* c-common.h (build_unary_op): Change nonconvert parameter type to bool.
	* c-omp.c (c_finish_omp_atomic): Use false instead of 0.

	* c-array-notation.c (create_cmp_incr): Use false instead of 0.
	(fix_array_notation_expr): Likewise.
	* c-decl.c (finish_decl): Likewise.
	* c-parser.c (c_parser_postfix_expression_after_primary): Likewise.
	* c-typeck.c (array_to_pointer_conversion): Use true instead of 1.
	(function_to_pointer_conversion): Use false instead of 0.
	(convert_lvalue_to_rvalue): Likewise.
	(parser_build_unary_op): Likewise.
	(build_atomic_assign): Likewise.
	(build_unary_op): Change nonconvert parameter type to bool, use
	true/false instead of 1/0.
	(build_binary_op): Use true instead of 1.

	* cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
	bool.
	* decl2.c (one_static_initialization_or_destruction): Use true instead
	of 1.
	* init.c (build_vec_init): Use false instead of 0.
	* pt.c (tsubst_copy_and_build): Likewise.
	* semantics.c (simplify_loop_decl_cond): Likewise.
	* typeck.c (rationalize_conditional_expr): Likewise.
	(cp_build_binary_op): Use true instead of 1.
	(cp_build_unary_op): Change nonconvert parameter type to bool.  Use true
	instead of 1.
	(build_unary_op): Change nonconvert parameter type to bool.
	(unary_complex_lvalue): Use false instead of 0.

From-SVN: r240137

libstdc++-v3/ChangeLog:

2016-09-14  Christophe Lyon  <christophe.lyon@linaro.org>

	* testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
	Move dg-do directive before dg-skip.
	* testsuite/21_strings/debug/iterator_self_move_assign_neg.cc:
	Move dg-do directive before dg-require.
	* testsuite/21_strings/debug/self_move_assign_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/57779_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/60587_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/assign1_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/assign2_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/assign3_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/construct1_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/construct2_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/construct3_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/insert1_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/insert2_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/insert3_neg.cc: Likewise.
	* testsuite/23_containers/vector/debug/insert5_neg.cc: Likewise.
	* testsuite/25_algorithms/lower_bound/debug/irreflexive.cc: Likewise.
	* testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
	Likewise.
	* testsuite/25_algorithms/pop_heap/empty2_neg.cc: Likewise.
	* testsuite/25_algorithms/pop_heap/empty_neg.cc: Likewise.
	* testsuite/27_io/objects/char/12048-5.cc: Likewise.
	* testsuite/ext/special_functions/conf_hyperg/check_nan.cc: Likewise.
	* testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.

gcc/testsuite/ChangeLog:

2016-09-14  Christophe Lyon  <christophe.lyon@linaro.org>

	* g++.dg/cpp0x/lambda/lambda-mangle.C: Move dg-do directive before
	dg-require.
	* g++.dg/ext/builtin_alloca.C: Likewise.
	* g++.dg/template/spec35.C: Likewise.
	* gcc.dg/builtins-68.c: Likewise.
	* gcc.misc-tests/gcov-13.c: Likewise.
	* gcc.misc-tests/gcov-14.c: Likewise.

From-SVN: r240135

2016-09-13  Jim MacArthur  <jim.macarthur@codethink.co.uk>

	* gcc/testsuite/gfortran.dg/dec_structure_14.f90: New testcase.

From-SVN: r240134

2016-09-14  Segher Boessenkool  <segher@kernel.crashing.org>

	* target.def (lra_p): Change commentary (for the manual) for the
	new default.
	* doc/tm.texi: Regenerate.

From-SVN: r240133

A few targets already always want LRA; those then do not need to override
the default anymore.


2016-09-14  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/aarch64/aarch64.c (TARGET_LRA_P): Delete macro.
	* config/arm/arm.c (TARGET_LRA_P): Delete macro.
	* config/i386/i386.c (TARGET_LRA_P): Delete macro.
	* config/nds32/nds32.c (TARGET_LRA_P): Delete macro.

From-SVN: r240132

Since all targets now define TARGET_LRA_P, this does not change behaviour
for any existing target.  Newly added ports will by default use LRA now.


2016-09-14  Segher Boessenkool  <segher@kernel.crashing.org>

	* targhooks.c (default_lra_p): Return true instead of false.

From-SVN: r240131

This patch adds a TARGET_LRA_P (defined to hook_bool_void_false) to
every target that didn't yet override the hook.  No functional change.


2016-09-14  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/alpha/alpha.c (TARGET_LRA_P): New macro, defined to
	hook_bool_void_false.
	* config/avr/avr.c: Ditto.
	* config/bfin/bfin.c: Ditto.
	* config/c6x/c6x.c: Ditto.
	* config/cr16/cr16.c: Ditto.
	* config/cris/cris.c: Ditto.
	* config/epiphany/epiphany.c: Ditto.
	* config/fr30/fr30.c: Ditto.
	* config/frv/frv.c: Ditto.
	* config/h8300/h8300.c: Ditto.
	* config/ia64/ia64.c: Ditto.
	* config/iq2000/iq2000.c: Ditto.
	* config/lm32/lm32.c: Ditto.
	* config/m32c/m32c.c: Ditto.
	* config/m32r/m32r.c: Ditto.
	* config/m68k/m68k.c: Ditto.
	* config/mcore/mcore.c: Ditto.
	* config/microblaze/microblaze.c: Ditto.
	* config/mmix/mmix.c: Ditto.
	* config/mn10300/mn10300.c: Ditto.
	* config/moxie/moxie.c: Ditto.
	* config/msp430/msp430.c: Ditto.
	* config/nios2/nios2.c: Ditto.
	* config/nvptx/nvptx.c: Ditto.
	* config/pa/pa.c: Ditto.
	* config/pdp11/pdp11.c: Ditto.
	* config/rl78/rl78.c: Ditto.
	* config/sparc/sparc.c: Ditto.
	* config/spu/spu.c: Ditto.
	* config/stormy16/stormy16.c: Ditto.
	* config/tilegx/tilegx.c: Ditto.
	* config/tilepro/tilepro.c: Ditto.
	* config/v850/v850.c: Ditto.
	* config/vax/vax.c: Ditto.
	* config/visium/visium.c: Ditto.
	* config/xtensa/xtensa.c: Ditto.

From-SVN: r240130

	PR sanitizer/68260
	* tsan.c: Include target.h.
	(enum tsan_atomic_action): Add bool_clear and bool_test_and_set.
	(BOOL_CLEAR, BOOL_TEST_AND_SET): Define.
	(tsan_atomic_table): Add BUILT_IN_ATOMIC_CLEAR and
	BUILT_IN_ATOMIC_TEST_AND_SET entries.
	(instrument_builtin_call): Handle bool_clear and bool_test_and_set.

	* c-c++-common/tsan/pr68260.c: New test.

From-SVN: r240129

	    Martin Liska  <mliska@suse.cz>

	PR middle-end/77574
	* predict.c (force_edge_cold): Add braces to a condition.

Co-Authored-By: Martin Liska <mliska@suse.cz>

From-SVN: r240128

From-SVN: r240127

2016-09-13  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR rtl-optimization/77289
        * lra-constraints.c (get_final_hard_regno): Removed.
        (get_hard_regno): Add new parameter final_p.
        (get_reg_class): Directly call lra_get_elimination_hard_regno.
        (operands_match_p): Adjust call to get_hard_regno.
        (uses_hard_regs_p): Likewise.
        (process_alt_operands): Likewise.

From-SVN: r240124

2016-09-13  Joe Seymour  <joe.s@somniumtech.com>

gcc/
PR target/70713
* config/msp430/msp430.c (msp430_start_function): Emit an error
if a function is both weak and specifies an interrupt number.

gcc/testsuite/
PR target/70713
* gcc.target/msp430/function-attributes-1.c: New test.
* gcc.target/msp430/function-attributes-2.c: New test.
* gcc.target/msp430/function-attributes-3.c: New test.

From-SVN: r240123

	* include/bits/stl_uninitialized.h (utility): New include
	in C++17 mode.
	(uninitialized_default_construct): New.
	(uninitialized_default_construct_n): Likewise.
	(uninitialized_value_construct): Likewise.
	(uninitialized_value_construct_n): Likewise.
	(uninitialized_move): Likewise.
	(uninitialized_move_n): Likewise.
	(destroy_at, destroy, destroy_n): Likewise.
	* testsuite/20_util/specialized_algorithms/memory_management_tools/1.cc:
	New.

From-SVN: r240122

	Implement P0028R4, C++17 using attribute namespaces without repetition
	* parser.c (cp_parser_std_attribute): Add ATTR_NS argument.  Diagnose
	non-NULL ATTR_NS with scoped attribute token.  Handle non-NULL
	ATTR_NS with non-scoped attribute tokens.  Allow named ops in
	identifier after ::.
	(cp_parser_std_attribute_list): Add ATTR_NS argument, pass it down
	to cp_parser_std_attribute calls.
	(cp_parser_std_attribute_spec): Parse optional C++17
	attribute-using-prefix, adjust grammar in function comment.

	* g++.dg/cpp0x/gen-attrs-61.C: New test.
	* g++.dg/cpp1z/gen-attrs1.C: New test.

From-SVN: r240121

	PR tree-optimization/77454
	* tree-ssa-dom.c (optimize_stmt): Set modified flag on stmt after
	changing GIMPLE_COND.  Move update_stmt_if_modified call after this.
	Formatting fix.

	* gcc.dg/pr77454.c: New test.

From-SVN: r240120

	PR c++/77553
	* constexpr.c (cxx_fold_pointer_plus_expression): New function.
	(cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
	(cxx_eval_pointer_plus_expression): Remove.
	(cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
	call cxx_eval_pointer_plus_expression.

	* g++.dg/cpp1y/constexpr-77553.C: New test.

From-SVN: r240119

2016-09-13  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77420
	* module.c (load_equiv):  Revert revision 240063.

2016-09-13  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77420
	* gfortran.dg/pr77420.f90: Revert revision 240063 by removing test.

From-SVN: r240118

Committed on behalf of:

  Tamar Christina  <tamar.christina@arm.com>

gcc/

	* config/aarch64/aarch64-builtins.c 
	(aarch64_init_simd_builtins): Fix builtin type signature printing.

From-SVN: r240117