From-SVN: r244719

2017-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch9.adb: minor style fixes in comments.
	* sem_ch9.adb (Analyze_Delay_Relative): in GNATprove mode a delay
	relative statement introduces an implicit dependency on
	Ada.Real_Time.Clock_Time.
	* sem_util.adb: Minor reformatting.

2017-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb (Analyze_Aspect_Specifications): Aspect Alignment
	must be treated as delayed aspect even if the expression is
	a literal, because the aspect affects the freezing and the
	elaboration of the object to which it applies.

2017-01-20  Tristan Gingold  <gingold@adacore.com>

	* s-osinte-vxworks.ads (Interrup_Range): New subtype.

2017-01-20  Ed Schonberg  <schonberg@adacore.com>

	* lib-xref.adb (Generate_Reference): Do not warn about the
	presence of a pragma Unreferenced if the entity appears as the
	actual in a procedure call that does not come from source.

2017-01-20  Pascal Obry  <obry@adacore.com>

	* expect.c, terminals.c: Fix some warnings about unused variables.
	* gsocket.h, adaint.c, adaint.h: Fix some more warnings in the C part
	of the runtime.

2017-01-20  Bob Duff  <duff@adacore.com>

	* exp_attr.adb (Constrained): Apply an access check (check that
	the prefix is not null) when the prefix denotes an object of an
	access type; that is, when there is an implicit dereference.

2017-01-20  Gary Dismukes  <dismukes@adacore.com>

	* s-rident.ads (constant Profile_Info): Remove
	No_Calendar from GNAT_Extended_Ravenscar restrictions.

2017-01-20  Tristan Gingold  <gingold@adacore.com>

	*  s-maccod.ads: Add pragma No_Elaboration_Code_All

From-SVN: r244718

	* omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
	of safelen status.
	* omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
	* passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
	* tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.

From-SVN: r244717

	PR target/71270
	* config/arm/arm.c (neon_valid_immediate): Reject vector constants
	in big-endian mode when they are not a single duplicated value.

From-SVN: r244716

gcc/cp/ChangeLog:
	PR c++/77829
	PR c++/78656
	* cp-tree.h (suggest_alternatives_for): Add bool param.
	(suggest_alternative_in_explicit_scope): New decl.
	* error.c (qualified_name_lookup_error): When SCOPE is a namespace
	that isn't the global one, call new function
	suggest_alternative_in_explicit_scope, only calling
	suggest_alternatives_for if it fails, and disabling near match
	searches fort that case.  When SCOPE is the global namespace,
	pass true for new param to suggest_alternatives_for to allow for
	fuzzy name lookups.
	* lex.c (unqualified_name_lookup_error): Pass true for new param
	to suggest_alternatives_for.
	* name-lookup.c (consider_binding_level): Add forward decl.
	(suggest_alternatives_for): Add "suggest_misspellings" param,
	using it to conditionalize the fuzzy name-lookup code.
	(suggest_alternative_in_explicit_scope): New function.
	* parser.c (cp_parser_primary_expression): When calling
	finish_id_expression, pass location of id_expression rather
	than that of id_expr_token.
	(cp_parser_id_expression): Convert local "unqualified_id" from
	tree to cp_expr to avoid implicitly dropping location information.

gcc/testsuite/ChangeLog:
	PR c++/77829
	PR c++/78656
	* g++.dg/spellcheck-pr77829.C: New test case.
	* g++.dg/spellcheck-pr78656.C: New test case.

From-SVN: r244715

2017-01-20  Richard Biener  <rguenther@suse.de>

	* BASE-VER: Bump to 7.0.1.

From-SVN: r244714

	* omp-low.c (omplow_simd_context): New struct.  Use it...
	(lower_rec_simd_input_clauses): ...here and...
	(lower_rec_input_clauses): ...here to hold common data.  Adjust all
	references to idx, lane, max_vf, is_simt.

From-SVN: r244713

gcc/ChangeLog:

	* config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
	mcpu=nps400.

From-SVN: r244712

2017-01-20  Martin Jambor  <mjambor@suse.cz>
        
        * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
        * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
        gt-hsa-common.h.
        * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
        (GTFILES): Rename hsa.c to hsa-common.c.
        * hsa-brig.c: Change include of hsa.h to hsa-common.h.
        * hsa-dump.c: Likewise.
        * hsa-gen.c: Likewise.
        * hsa-regalloc.c: Likewise.
        * ipa-hsa.c: Likewise.
        * omp-expand.c: Likewise.
        * omp-low.c: Likewise.
        * toplev.c: Likewise.

From-SVN: r244711

libgcc/
        * config/aarch64/linux-unwind.h: Always include aarch64-unwind.h.

From-SVN: r244710

	PR libstdc++/72792
	* include/bits/alloc_traits.h (__allocator_traits_base::__diff_type)
	(__allocator_traits_base::__size_type): Remove.
	(allocator_traits::_Ptr): New class template to detect const and void
	pointer types without instantiating pointer_traits::rebind
	unnecessarily.
	(allocator_traits::_Diff): Likewise for detecting difference_type.
	(allocator_traits::_Size): New class template to detect size_type
	without instantiating make_unsigned unnecessarily.
	* include/bits/ptr_traits.h (pointer_traits::element_type): Use
	__detected_or_t instead of __detected_or_t_.
	* include/std/type_traits (__detected_or_t_): Remove.
	* testsuite/20_util/allocator_traits/members/pointers.cc: New test.

From-SVN: r244706

re PR c/64279 (Warning missing for "(cond) ? A : A" / if(cond) expr1; else expr1; // same expression in if and else branch)

	PR c/64279
	* c-common.h (do_warn_duplicated_branches_r): Declare.
	* c-gimplify.c (c_genericize): Walk the function tree calling
	do_warn_duplicated_branches_r.
	* c-warn.c (expr_from_macro_expansion_r): New.
	(do_warn_duplicated_branches): New.
	(do_warn_duplicated_branches_r): New.
	* c.opt (Wduplicated-branches): New option.

	* c-typeck.c (build_conditional_expr): Warn about duplicated branches.

	* call.c (build_conditional_expr_1): Warn about duplicated branches.
	* semantics.c (finish_expr_stmt): Build statement using the proper
	location.

	* doc/invoke.texi: Document -Wduplicated-branches.
	* fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
	COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
	POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
	STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
	return 0 only when not OEP_LEXICOGRAPHIC.
	(fold_build_cleanup_point_expr): Use the expression
	location when building CLEANUP_POINT_EXPR.
	* tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
	* tree.c (add_expr): Handle error_mark_node.

	* c-c++-common/Wduplicated-branches-1.c: New test.
	* c-c++-common/Wduplicated-branches-10.c: New test.
	* c-c++-common/Wduplicated-branches-11.c: New test.
	* c-c++-common/Wduplicated-branches-12.c: New test.
	* c-c++-common/Wduplicated-branches-2.c: New test.
	* c-c++-common/Wduplicated-branches-3.c: New test.
	* c-c++-common/Wduplicated-branches-4.c: New test.
	* c-c++-common/Wduplicated-branches-5.c: New test.
	* c-c++-common/Wduplicated-branches-6.c: New test.
	* c-c++-common/Wduplicated-branches-7.c: New test.
	* c-c++-common/Wduplicated-branches-8.c: New test.
	* c-c++-common/Wduplicated-branches-9.c: New test.
	* c-c++-common/Wimplicit-fallthrough-7.c: Coalesce dg-warning.
	* g++.dg/cpp0x/lambda/lambda-switch.C: Move dg-warning.
	* g++.dg/ext/builtin-object-size3.C: Likewise.
	* g++.dg/gomp/loop-1.C: Likewise.
	* g++.dg/warn/Wduplicated-branches1.C: New test.
	* g++.dg/warn/Wduplicated-branches2.C: New test.

From-SVN: r244705

2017-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* ghost.adb (Mark_Ghost_Clause): New routine.
	(Prune_Node): Do not prune compilation unit nodes.
	(Remove_Ignored_Ghost_Code): Prune the compilation unit node directly.
	This does not touch the node itself, but does prune all its fields.
	* ghost.ads (Mark_Ghost_Clause): New routine.
	* sem_ch8.adb (Analyze_Use_Package): Emit an error when a use
	package clause mentions Ghost and non-Ghost packages. Mark a
	use package clause as Ghost when it mentions a Ghost package.
	(Analyze_Use_Type): Emit an error when a use type clause mentions
	Ghost and non-Ghost types. Mark a use type clause as Ghost when
	it mentions a Ghost type.
	* sem_ch10.adb (Analyze_With_Clause): Mark a with clause as
	Ghost when it withs a Ghost unit.

2017-01-20  Javier Miranda  <miranda@adacore.com>

	* sem_res.adb (Resolve_Call): If a function call
	returns a limited view of a type and at the point of the call the
	function is not declared in the extended main unit then replace
	it with the non-limited view, which must be available. If the
	called function is in the extended main unit then no action is
	needed since the back-end handles this case.

2017-01-20  Eric Botcazou  <ebotcazou@adacore.com>

	* sem_ch7.adb (Contains_Subp_Or_Const_Refs): Rename into...
	(Contains_Subprograms_Refs): ...this.  Adjust comment
	for constants.	(Is_Subp_Or_Const_Ref): Rename into...
	(Is_Subprogram_Ref): ...this.
	(Has_Referencer): Rename Has_Non_Subp_Const_Referencer variable into
	Has_Non_Subprograms_Referencer and adjust comment.  Remove
	incorrect shortcut for package declarations and bodies.

2017-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Complete_Private_Subtype): If the scope of the
	base type differs from that of the completion and the private
	subtype is an itype (created for a constraint on an access
	type e.g.), set Delayed_Freeze on both to prevent out-of-scope
	anomalies in gigi.

2017-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch6.adb (Analyze_Subprogram_Body_Helper):
	When inheriting the SPARK_Mode of a prior expression function,
	look at the properly resolved entity rather than the initial
	candidate which may denote a homonym.

2017-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_prag.adb (Rewrite_Assertion_Kind): If the name is
	Precondition or Postcondition, and the context is pragma
	Check_Policy, indicate that this Pre-Ada2012 usage is deprecated
	and suggest the standard names Assertion_Policy /Pre /Post
	instead.

From-SVN: r244704

2017-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch10.adb, sem_cat.adb: Minor reformatting.

From-SVN: r244703

2017-01-20  Javier Miranda  <miranda@adacore.com>

	* sem_ch3.adb (Access_Type_Declaration): Protect access to the
	Entity attribute.
	* sem_ch10.adb (Install_Siblings): Skip processing malformed trees.
	* sem_cat.adb (Validate_Categoriztion_Dependency): Skip processing
	malformed trees.

2017-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb (Analyze_Aspect_Specification, case
	Dynamic_Predicate): If the entity E is a subtype that inherits
	a static predicate for its parent P,, the inherited and the
	new predicate combine in the generated predicate function,
	and E only has a dynamic predicate.

2017-01-20  Tristan Gingold  <gingold@adacore.com>

	* s-boustr.ads, s-boustr.adb: New package.
	* Makefile.rtl: Add s-boustr.

2017-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* inline.adb (Process_Formals): Qualify the
	expression of a return statement when it yields a universal type.

2017-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* freeze.adb (Freeze_All): Freeze the default
	expressions of all eligible formal parameters that appear in
	entries, entry families, and protected subprograms.

From-SVN: r244701

From-SVN: r244700

2017-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Check_Nonoverridable_Aspects); Refine check
	for illegal inherited Implicit_Dereference aspects with renamed
	discriminants.

2017-01-20  Javier Miranda  <miranda@adacore.com>

	* debug.adb (switch d.6): do not avoid declaring unreferenced itypes.
	* nlists.ads (Lock_Lists, Unlock_Lists): New subprograms.
	* nlists.adb (Lock_Lists, Unlock_Lists): New subprograms.
	(Set_First, Set_Last, Set_List_Link, Set_Next, Set_Parent,
	Set_Prev, Tree_Read): Adding assertion.
	* atree.ads (Lock_Nodes, Unlock_Nodes): New subprograms.
	* atree.adb (Lock_Nodes, Unlock_Nodes): New subprograms.
	(Set_Analyzed, Set_Check_Actuals, Set_Comes_From_Source,
	Set_Ekind, Set_Error_Posted, Set_Has_Aspects,
	Set_Is_Ignored_Ghost_Node, Set_Original_Node, Set_Paren_Count,
	Set_Parent, Set_Sloc, Set_Nkind, Set_FieldNN, Set_NodeNN,
	Set_ListNN, Set_ElistNN, Set_NameN, Set_StrN, Set_UintNN,
	Set_UrealNN, Set_FlagNNN, Set_NodeN_With_Parent,
	Set_ListN_With_Parent): Adding assertion.

2017-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_prag.adb (Process_Convention): Diagnose properly a pragma
	import that applies to several homograph subprograms. when one
	of them is declared by a subprogram body.

2017-01-20  Justin Squirek  <squirek@adacore.com>

	* exp_ch6.adb (Expand_Call): Remove optimization
	that nulls out calls to null procedures.

From-SVN: r244699

2017-01-20  Yannick Moy  <moy@adacore.com>

	* inline.adb (Expand_Inlined_Call): Keep more
	precise type of actual for inlining whenever possible. In
	particular, do not switch to the formal type in GNATprove mode in
	some case where the GNAT backend might require it for visibility.

2017-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Check_Non_Overridable_Aspects): An inherited
	aspect Implicit_Dereference can be inherited by a full view if
	the partial view has no discriminants, because there is no way
	to apply the aspect to the partial view.
	(Build_Derived_Record_Type): If derived type renames discriminants
	of the parent, the new discriminant inherits the aspect from
	the old one.
	* sem_ch4.adb (Analyze_Call): Handle properly a parameterless
	call through an access discriminant designating a subprogram.
	* sem_ch5.adb (Analyze_Assignment): (Analyze_Call): Handle
	properly a parameterless call through an access discriminant on
	the left-hand side of an assignment.
	* sem_res.adb (resolve): If an interpreation involves a
	discriminant with an implicit dereference and the expression is an
	entity, resolution takes place later in the appropriate routine.
	* sem_ch13.adb (Analyze_Aspect_Implicit_Dereference): Recognize
	access discriminants that designate a subprogram type.

2017-01-20  Pascal Obry  <obry@adacore.com>

	* a-locale.adb, a-locale.ads: Update Ada.Locales for RM 2012 COR:1:2016

From-SVN: r244698

From-SVN: r244697

2017-01-20  Yannick Moy  <moy@adacore.com>

	* sem_ch10.adb (Check_No_Elab_Code_All): Do not issue an error
	on implicitly with'ed units in GNATprove mode.
	* sinfo.ads (Implicit_With): Document use of flag for implicitly
	with'ed units in GNATprove mode.

2017-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_cat.adb (Validate_Static_Object_Name): In a preelaborated
	unit Do not report an error on a non-static entity that appears
	in the context of a spec expression, such as an aspect expression.

2017-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.adb: Flag298 now denotes Is_Underlying_Full_View.
	(Is_Underlying_Full_View): New routine.
	(Set_Is_Underlying_Full_View): New routine.
	(Write_Entity_Flags): Add an entry for Is_Underlying_Full_View.
	* einfo.ads Add new attribute Is_Underlying_Full_View.
	(Is_Underlying_Full_View): New routine along with pragma Inline.
	(Set_Is_Underlying_Full_View): New routine along with pragma Inline.
	* exp_util.adb (Build_DIC_Procedure_Body): Do not consider
	class-wide types and underlying full views. The first subtype
	is used as the working type for all Itypes, not just array base types.
	(Build_DIC_Procedure_Declaration): Do not consider
	class-wide types and underlying full views. The first subtype
	is used as the working type for all Itypes, not just array
	base types.
	* freeze.adb (Freeze_Entity): Inherit the freeze node of a full
	view or an underlying full view without clobbering the attributes
	of a previous freeze node.
	(Inherit_Freeze_Node): New routine.
	* sem_ch3.adb (Build_Derived_Private_Type): Mark an underlying
	full view as such.
	(Build_Underlying_Full_View): Mark an underlying full view as such.
	* sem_ch7.adb (Install_Private_Declarations): Mark an underlying
	full view as such.

From-SVN: r244696

From-SVN: r244695

2017-01-20  Arnaud Charlet  <charlet@adacore.com>

	* exp_ch3.adb: Reenable code.

2017-01-20  Yannick Moy  <moy@adacore.com>

	* sinfo.ads: Document lack of Do_Division_Check flag
	on float exponentiation.

From-SVN: r244693

2017-01-20  Martin Liska  <mliska@suse.cz>

	PR lto/69188
	* gcc.dg/lto/pr69188_0.c: New test.
	* gcc.dg/lto/pr69188_1.c: New test.
2017-01-20  Martin Liska  <mliska@suse.cz>

	PR lto/69188
	* tree-profile.c (init_ic_make_global_vars): Do not call
	finalize_decl.
	(gimple_init_gcov_profiler): Likewise.

From-SVN: r244692

2017-01-20  Martin Liska  <mliska@suse.cz>

	PR ipa/71190
	* cgraph.h (maybe_create_reference): Remove argument and
	update comment.
	* cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
	argument.
	* ipa-cp.c (create_specialized_node): Likewise.
	* symtab.c (symtab_node::maybe_create_reference): Handle
	VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.

From-SVN: r244687

2017-01-20  Martin Liska  <mliska@suse.cz>

	* read-rtl-function.c (function_reader::create_function): Use
	build_decl instread of build_decl_stat.

From-SVN: r244686

gcc/
	* config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
	* config/i386/avx512dqintrin.h: Ditto.
	* config/i386/avx512fintrin.h: Ditto.
	* config/i386/i386-builtin-types.def: Add new types.
	* gcc/config/i386/i386.c: Handle new types.
	* config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
	(__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
	(__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
	(__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
	(__builtin_ia32_kshiftridi): New.
	* config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.

gcc/testsuite/
	* gcc.target/i386/avx512bw-kshiftld-1.c: New test.
	* gcc.target/i386/avx512bw-kshiftlq-1.c: Ditto.
	* gcc.target/i386/avx512dq-kshiftlb-1.c: Ditto.
	* gcc.target/i386/avx512f-kshiftlw-1.c: Ditto.
	* gcc.target/i386/avx512bw-kshiftrd-1.c: Ditto.
	* gcc.target/i386/avx512bw-kshiftrq-1.c: Ditto.
	* gcc.target/i386/avx512dq-kshiftrb-1.c: Ditto.
	* gcc.target/i386/avx512f-kshiftrw-1.c: Ditto.
	* gcc.target/i386/avx512bw-kshiftld-2.c: Ditto.
	* gcc.target/i386/avx512bw-kshiftlq-2.c: Ditto.
	* gcc.target/i386/avx512bw-kshiftrd-2.c: Ditto.
	* gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
	* gcc.target/i386/avx512dq-kshiftlb-2.c: Ditto.
	* gcc.target/i386/avx512dq-kshiftrb-2.c: Ditto.
	* gcc.target/i386/avx512f-kshiftlw-2.c: Ditto.
	* gcc.target/i386/avx512f-kshiftrw-2.c: Ditto.
	* gcc.target/i386/avx-1.c: Test new intrinsics.
	* gcc.target/i386/sse-13.c: Ditto.
	* gcc.target/i386/sse-23.c: Ditto.

From-SVN: r244685

	PR other/79046
liboffloadmic/
	* aclocal.m4: Regenerated.
	* Makefile.in: Regenerated.
libcilkrts/
	* aclocal.m4: Regenerated.
	* Makefile.in: Regenerated.

From-SVN: r244684

2017-01-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71264
	* gcc.dg/vect/pr71264.c: Make sure memory is aligned.

From-SVN: r244683

	* cp-tree.h (TEMPLATE_TYPE_PARM_FOR_CLASS): New.
	* pt.c (push_template_decl_real): Set it.
	(maybe_adjust_types_for_deduction): Check it.
	(rewrite_template_parm): Copy it.

From-SVN: r244682

	* call.c (joust): Prefer deduction guides to constructors.
	* pt.c (build_deduction_guide): Set DECL_ARTIFICIAL.
	(deduction_guide_p): Check DECL_P.

From-SVN: r244681

	PR libstdc++/72792
	PR libstdc++/72793
	* include/bits/alloc_traits.h (__allocator_traits_base::__rebind):
	Replace with class template using void_t.
	(__alloc_rebind): Define in terms of
	__allocator_traits_base::__rebind.
	(allocator_traits): Remove unconditional static_assert for
	rebind_alloc.
	* include/bits/ptr_traits.h (__replace_first_arg): Remove type member.
	(pointer_traits::__rebind): Replace with class template using void_t.
	(pointer_traits::rebind): Define in terms of __rebind.
	(pointer_traits): Remove unconditional static_assert for rebind.
	* testsuite/20_util/allocator_traits/members/rebind_alloc.cc: New test.
	* testsuite/20_util/pointer_traits/rebind.cc: New test.

From-SVN: r244680

	PR go/79146
    crypto/elliptic: explicitly ignore p256_s390x.go
    
    The file only works if used in conjunction with assembly code not
    (yet) written for gccgo.
    
    Fixes GCC PR 79146.

    Reviewed-on: https://go-review.googlesource.com/35477

From-SVN: r244679

	PR libstdc++/69321
	* include/experimental/any (__any_caster): Avoid instantiating
	manager function for types that can't be stored in any.
	* include/std/any (__any_caster): Likewise.
	* testsuite/20_util/any/misc/any_cast.cc: Test non-copyable type.
	* testsuite/experimental/any/misc/any_cast.cc: Likewise.

From-SVN: r244678

I foolishly tested this with r241087 reverted.  After that revision
default_stack_protect_guard is no longer called if the compiler defaults
to using the TLS guard, which of course is the wrong thing to do if
there is some other way to enable the global guard.

This fixes it.


	PR target/78875
	PR target/79140
	* config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
	define to rs6000_init_stack_protect_guard.
	(rs6000_init_stack_protect_guard): New function.

From-SVN: r244677

gcc/
2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
	    Yunqiang Su  <yunqiang.su@imgtec.com>

	* config.gcc (supported_defaults): Add madd4.
	(with_madd4): Add validation.
	(all_defaults): Add madd4.
	* config/mips/mips.opt (mmadd4): New option.
	* gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
	mmadd4.
	(TARGET_CPU_CPP_BUILTINS): Add builtin_define for
	__mips_no_madd4.
	(ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
	(ISA_HAS_FUSED_MADD4): Likewise.
	* gcc/doc/invoke.texi (-mmadd4): Document the new option.
	* gcc/doc/install.texi (--with-madd4): Document the new option.

gcc/testsuite/
2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>

	* gcc.target/mips/madd4-1.c: New file.
	* gcc.target/mips/madd4-2.c: Likewise.
	* gcc.target/mips/mips.exp (mips_option_groups): Add ghost option
	HAS_MADD4.
	(mips_option_groups): Add -m[no-]madd4.
	(mips-dg-init): Detect default -mno-madd4.
	(mips-dg-options): Handle HAS_MADD4 arch upgrade/downgrade.
	* gcc.target/mips/mips-ps-type.c: Add -mmadd4 test option.
	* gcc.target/mips/mips-ps-type-2.c: Likewise.
	* gcc.target/mips/nmadd-1.c: Likewise.
	* gcc.target/mips/nmadd-2.c: Likewise.
	* gcc.target/mips/nmadd-3.c: Likewise.

Co-Authored-By: Yunqiang Su <yunqiang.su@imgtec.com>

From-SVN: r244676

	PR libstdc++/64903
	* include/bits/stl_algo.h (is_partitioned): Use increment instead of
	std::advance.

From-SVN: r244675

From-SVN: r244674

libgcc/
	* config/aarch64/aarch64-unwind.h: New file.
	(DWARF_REGNUM_AARCH64_RA_STATE): Define.
	(MD_POST_EXTRACT_ROOT_ADDR): New target marcro and define it on AArch64.
	(MD_POST_EXTRACT_FRAME_ADDR): Likewise.
	(MD_POST_FROB_EH_HANDLER_ADDR): Likewise.
	(MD_FROB_UPDATE_CONTEXT): Define it on AArch64.
	(aarch64_post_extract_frame_addr): New function.
	(aarch64_post_frob_eh_handler_addr): New function.
	(aarch64_frob_update_context): New function.
	* config/aarch64/linux-unwind.h: Include aarch64-unwind.h
	* config.host (aarch64*-*-elf, aarch64*-*-rtems*,
	aarch64*-*-freebsd*):
	Initialize md_unwind_header to include aarch64-unwind.h.
	* unwind-dw2.c (struct _Unwind_Context): Define "RA_A_SIGNED_BIT".
	(execute_cfa_program): Multiplex DW_CFA_GNU_window_save for
	__aarch64__.
	(uw_update_context): Honor MD_POST_EXTRACT_FRAME_ADDR.
	(uw_init_context_1): Honor MD_POST_EXTRACT_ROOT_ADDR.
	(uw_frob_return_addr): New function.
	(uw_install_context): Use uw_frob_return_addr.

From-SVN: r244673

From-SVN: r244672

gcc/
	* config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
	entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
	AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
	(aarch64_init_pauth_hint_builtins): New.
	(aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
	(aarch64_expand_builtin): Expand new builtins.

From-SVN: r244669