PR gcov-profile/58306
	* Makefile.in: New functions (modules) are added.
	* libgcov-profiler.c (__gcov_interval_profiler_atomic): New
	function.
	(__gcov_pow2_profiler_atomic): New function.
	(__gcov_one_value_profiler_body): New argument is instroduced.
	(__gcov_one_value_profiler): Call with the new argument.
	(__gcov_one_value_profiler_atomic): Likewise.
	(__gcov_indirect_call_profiler_v2): Likewise.
	(__gcov_time_profiler_atomic): New function.
	(__gcov_average_profiler_atomic): Likewise.
	(__gcov_ior_profiler_atomic): Likewise.
	* libgcov.h: Declare the aforementioned functions.
	PR gcov-profile/58306
	* gcc.dg/tree-prof/val-profiler-threads-1.c: New test.
	PR gcov-profile/58306
	* tree-profile.c (gimple_init_edge_profiler): Create conditionally
	atomic variants of profile update functions.

From-SVN: r239324

	Cherry picked (and modified) from google-4_7 branch
	2012-12-26  Rong Xu  <xur@google.com>
	* common.opt (fprofile-update): Add new flag.
	* coretypes.h: Define enum profile_update.
	* doc/invoke.texi: Document -fprofile-update.
	* gcov-io.h: Declare GCOV_TYPE_ATOMIC_FETCH_ADD and
	GCOV_TYPE_ATOMIC_FETCH_ADD_FN.
	* tree-profile.c (gimple_init_edge_profiler): Generate
	also atomic profiler update.
	(gimple_gen_edge_profiler): Likewise.
	* g++.dg/gcov/gcov-threads-1.C: New test.

From-SVN: r239323

gcc/ChangeLog:
	* toplev.c (finalize): Set aux_info_file, asm_out_file, and
	stack_usage_file to NULL after fclose calls.

From-SVN: r239322

Extend computation of subreg_in_class to constants and plus expressions 
inside SUBREGs, before recursively calling push_reload. SYMBOL_REFs are
also CONSTANT_P, so remove explicit handling of SYMBOL_REFs.

gcc/ChangeLog

	PR target/71873
	* reload.c (push_reload): Compute subreg_in_class for
	subregs of constants and plus expressions. Remove special
	handling of SYMBOL_REFs.

gcc/testsuite/ChangeLog

	PR target/71873
	* gcc.target/avr/pr71873.c: New test.

From-SVN: r239321

The fallback part of HARD_REGNO_CALLER_SAVE_MODE, choose_hard_reg_mode,
returns DFmode for SImode when TARGET_E500_DOUBLE.  This confuses
lra when attempting to save ctr around a call.

	PR target/71680
	* config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Return
	SImode for TARGET_E500_DOUBLE when given SImode.

From-SVN: r239317

	* gccgo.texi (Invoking gccgo): Document -fgo-optimize-allocs and
	-fgo-debug-escae.
	(Compiler Directives): New chapter.
	(Function Names): Describe using //go:linkname.  Suggest using
	-fgo-pkgpath rather than -fgo-prefix.

From-SVN: r239316

    
    Reviewed-on: https://go-review.googlesource.com/26652

From-SVN: r239315

From-SVN: r239314

    
    Implement the go:linkname compiler directive for functions (both
    function definitions and function declarations).  At least for now, give
    an error for code that tries to use go:linkname with a non-function.
    
    Reviewed-on: https://go-review.googlesource.com/26651

From-SVN: r239311

	* config/i3836/avx512fintrin.h (_mm512_cvtsepi64_epi32): Remove
	unused variable __O.

From-SVN: r239310

gcc/c-family/
	* c-common.c (c_common_attribute_table): vector_size affects type
	identity.
gcc/cp/
	* decl2.c (any_dependent_type_attributes_p): New.
	* pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
	* semantics.c (finish_id_expression): Check it.
	* typeck.c (finish_class_member_access_expr): Check it.

From-SVN: r239309

	* g++.dg/gcov/gcov-dump-1.C: New test.
	* g++.dg/gcov/gcov-dump-2.C: New test.

From-SVN: r239308

	* doc/gcov.texi: Change _gcov_dump to __gcov_dump and
	_gcov_reset to __gcov_reset.
	* doc/gcov-tool.texi: Fix typo.
	* libgcov-util.c: Fix typo and GNU coding style.

From-SVN: r239307

	* Makefile.in: Remove __gcov_indirect_call_profiler.
	* libgcov-profiler.c (__gcov_indirect_call_profiler): Remove
	function.
	* libgcov.h: And the declaration of the function.

From-SVN: r239306

	* value-prof.c (gimple_divmod_values_to_profile): Do not
	instrument MOD histogram if a value is not a SSA name.
	* gcc.dg/tree-prof/val-prof-9.c: New test.

From-SVN: r239305

	* gcc.dg/tree-prof/val-prof-8.c: New test.
	* value-prof.c (dump_histogram_value): Swap pow2 and non-pow2
	values.
	* libgcov-profiler.c (__gcov_pow2_profiler): Consider 0 as not
	power of two.

From-SVN: r239304

From-SVN: r239303

2016-08-09  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR bootstrap/72833
        * fixincl.tpl (version-compare): Fix generation with autogen 5.18.
        * inclhack.def (darwin_longjmp_noreturn): New fix.
        * fixincl.x: Regenerated.
        * tests/base/i386/setjmp.h [DARWIN_LONGJMP_NORETURN_CHECK]: new test.

From-SVN: r239301

gcc/

2016-08-04  Renlin Li  <renlin.li@arm.com>

	PR middle-end/64971
	* calls.c (prepare_call_address): Convert funexp to Pmode when
	necessary.
	* config/aarch64/aarch64.md (sibcall): Remove fix for PR 64971.
	(sibcall_value): Likewise.

From-SVN: r239300

	* class.c (check_abi_tags): Don't duplicate tags for conversion ops.

From-SVN: r239299

	* class.c (missing_abi_tags): New.
	(check_abi_tags): Don't check template. Add just_checking mode.
	* mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
	(sorted_abi_tags): Split out from write_abi_tags.
	(struct releasing_vec): New.
	(write_unqualified_name): Only look for the primary
	template for types.  Implement backward compatibility.

From-SVN: r239298

	PR c/7652
gcc/c-family/
	* c-ada-spec.c (dump_generic_ada_node): Add return.
gcc/
	* cselib.c (cselib_expand_value_rtx_1): Add return.
	* gengtype.c (dbgprint_count_type_at): Likewise.
	* hsa-gen.c (gen_hsa_insn_for_internal_fn_call): Likewise.
	* reg-stack.c (get_true_reg): Restructure to avoid fallthrough warning.

From-SVN: r239297

    
    CLONE_NEWNET is needed to compile the syscall tests on GNU/Linux.
    The symbol is not defined in the CentOS 5.11 header files.
    
    Patch from Uros Bizjak.
    
    Reviewed-on: https://go-review.googlesource.com/26630

From-SVN: r239296

2016-08-09  Martin Jambor  <mjambor@suse.cz>

        PR ipa/71981
        * ipa-polymorphic-call.c (get_dynamic_type): Bail out gracefully
        if instance is a MEM_REF.

testsuite/
        PR ipa/71981
        * gcc.dg/ipa/pr71981.c: New test.

From-SVN: r239294

	PR target/72843
	* config/i386/i386.md (*movtf_internal): Use
	lra_in_progress || reload_completed instead of !can_create_pseudo_p
	in the insn constraint.
	(*movxf_internal): Ditto.
	(*movdf_internal): Ditto.
	(*movsf_internal): Ditto.

From-SVN: r239293

	gcc/testsuite
	PR tree-optimization/33707
	* gcc.dg/vect/pr33707.c: New test.

From-SVN: r239292

	PR tree-optimization/72772
	* tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
	for expanded base.

	gcc/testsuite
	PR tree-optimization/pr72772
	* gcc.dg/tree-ssa/pr72772.c: New test.

From-SVN: r239291

	PR tree-optimization/72772
	* tree-ssa-loop-niter.h (simplify_using_initial_conditions): Delete
	parameter STOP.
	* tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Delete
	parameter STOP and update calls.  Move expand_simple_operations
	function call from here...
	(simplify_using_initial_conditions): ...to here.  Delete parameter
	STOP.
	(tree_simplify_using_condition): Delete parameter STOP.
	* tree-scalar-evolution.c (simple_iv_with_niters): Update call to
	simplify_using_initial_conditions.

From-SVN: r239290

	* constexpr.c (cxx_eval_constant_expression): Check
	COMPLETE_TYPE_P before calling is_really_empty_class.
	* class.c (is_really_empty_class): Don't call complete_type.

From-SVN: r239289

gcc/
	PR rtl-optimization/66669
	* gcc.dg/loop-8.c: Skip for MIPS due to extra invariants.

From-SVN: r239288

	* typeck.c (cp_build_addr_expr_1): Remove special *this handling.

From-SVN: r239285

    
    Rewrite the compiler directive support to recognize all the compiler
    directives implemented by the current gc compiler.  The directives other
    than go:linkname are now turned into GOPRAGMA flags attached to a
    function or function declaration.  The go:linkname directive is turned
    into a map attached to the Lex object.  No new directives are actually
    implemented yet, they are just recognized.
    
    Reviewed-on: https://go-review.googlesource.com/26610

From-SVN: r239282

gcc/
	PR c/65345
	* config/mips/mips.c (mips_atomic_assign_expand_fenv):
	Use create_tmp_var_raw instead of create_tmp_var.

From-SVN: r239278

2016-08-09  Richard Biener  <rguenther@suse.de>

	* tree-ssa-threadbackward.c (profitable_jump_thread_path):
        Treat same SSA names related.

From-SVN: r239276

re PR tree-optimization/72824 (Signed floating point zero semantics broken at optimization level -O3 (tree-loop-distribute-patterns))

	PR tree-optimization/72824
	* tree-loop-distribution.c (const_with_all_bytes_same): Verify
	real_zerop is not negative.

	* gcc.c-torture/execute/ieee/pr72824.c: New test.

From-SVN: r239275

re PR tree-optimization/71802 (gcc ICE at -O3 on valid code on x86_64-linux-gnu in expand_LOOP_VECTORIZED)

2016-08-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71802
	* tree-cfgcleanup.c (cleanup_tree_cfg_bb): Make sure to catch
	all merge opportunities with the predecessor.

	* gcc.dg/torture/pr71802.c: New testcase.

From-SVN: r239274

re PR target/68273 (Wrong code on mips/mipsel due to (invalid?) peeking at alignments in function_arg.)

2016-08-09  Richard Biener  <rguenther@suse.de>

	PR ipa/68273
	* ipa-prop.c (ipa_modify_formal_parameters): Build
	parameter types with natural alignment also for the
	over-aligned case.

From-SVN: r239273

	PR c++/72809
	* rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
	builtin aggregate types without TYPE_BINFO.

	* g++.dg/eh/stdarg1.C: New test.

From-SVN: r239272

gcc/c-family/
	* c-cppbuiltin.c (c_cpp_builtins): Update __cpp_constexpr for
	C++17 constexpr lambdas.
gcc/cp/
	* class.c (finalize_literal_type_property): Handle lambdas.
	* constexpr.c (is_valid_constexpr_fn): Likewise.  No longer static.
	(explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
	lambdas.
	(cxx_eval_constant_expression): Handle capture proxy.
	(var_in_constexpr_fn): Don't check for C++14.
	(var_in_maybe_constexpr_fn): New.
	(potential_constant_expression_1): Use it.  Check DECL_EXPR for
	declarations not allowed in constexpr function.
	* decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
	(finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
	* lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
	(maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
	(lambda_static_thunk_p): New.
	* parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
	(CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
	(cp_parser_decl_specifier_seq): Handle it.
	(cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
	* pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
	(tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
	* error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
	(dump_expr) [FUNCTION_DECL]: Pass it.

From-SVN: r239268

	PR c++/67131
	* class.c (is_really_empty_class): Call complete_type.
	* constexpr.c (cxx_eval_constant_expression): Check
	is_really_empty_class.
	(potential_constant_expression_1): Likewise.  Check for error type.

From-SVN: r239267