2016-04-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* lib-writ.adb, sem_ch6.adb: Minor reformatting and code cleanup.
	* sem.adb: Fix comment.

From-SVN: r235325

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Analyze_Subtype_Declaration): A subtype
	declaration with no aspects, whose subtype_mark is a subtype
	with predicates, inherits the list of subprograms for the type.

2016-04-21  Arnaud Charlet  <charlet@adacore.com>

	* exp_aggr.adb (Has_Per_Object_Constraint): Refine previous
	change.

2016-04-21  Thomas Quinot  <quinot@adacore.com>

	* g-socket.adb (Raise_Host_Error): Include additional Name parameter.

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* lib-writ.adb (Write_ALI): Do not record in ali file units
	that are present in the files table but not analyzed. These
	units are present because they appear in the context of units
	named in limited_with clauses, and the unit being compiled does
	not depend semantically on them.

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Simplify code to
	create the procedure body for an function returning an array type,
	when generating C code. Reuse the subprogram body rather than
	creating a new one, both as an efficiency measure and because
	in an instance the body may contain global references that must
	be preserved.

From-SVN: r235324

2016-04-21  Marc Glisse  <marc.glisse@inria.fr>

gcc/
	* match.pd (min(int_max, x), max(int_min, x)): New transformations.

gcc/testsuite/
	* gcc.dg/tree-ssa/minmax-1.c: New testcase.

From-SVN: r235323

2016-04-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch3.adb, exp_attr.adb, exp_ch6.adb, exp_aggr.adb: Minor
	reformatting.

From-SVN: r235322

exp_aggr.adb (Component_Check): Extend the check that verifies that the aggregate has no function calls to...

2016-04-21  Javier Miranda  <miranda@adacore.com>

	* exp_aggr.adb (Component_Check): Extend
	the check that verifies that the aggregate has no function
	calls to handle transformations performed by the frontend.
	(Ultimate_Original_Expression): New subprogram.

From-SVN: r235321

2016-04-21  Philippe Gil  <gil@adacore.com>

	* krunch.adb (Krunch): Fix krunching of i-java.

2016-04-21  Arnaud Charlet  <charlet@adacore.com>

	* exp_ch8.adb (Evaluation_Required): Always return
	True when Modify_Tree_For_C.

From-SVN: r235320

	* ipa-inline.c (can_inline_edge_p): Pass caller info to
	ultiimate_alias_target.
	(update_callee_keys): Likewise.
	(lookup_recursive_calls): Likewise.
	(speculation_useful_p): Likewise.

From-SVN: r235319

	PR ipa/70018
	* cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
	(set_nothrow_flag_1): ... this; handle interposition correctly;
	recurse on aliases and thunks.
	(cgraph_node::set_nothrow_flag): New.
	* ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
	functions compiled with non-call exceptions that binds to current
	def.
	(propagate_nothrow): Be safe WRT interposition.
	* cgraph.h (set_nothrow_flag): Update prototype.

	* g++.dg/ipa/nothrow-1.C: New testcase.

From-SVN: r235318

2016-04-21  Eric Botcazou  <ebotcazou@adacore.com>

	* gnatlink.adb (Gnatlink): Robustify detection of Windows target.
	* alloc.ads: Minor comment fixes.
	* einfo.ads: Fix typo.

2016-04-21  Arnaud Charlet  <charlet@adacore.com>

	* exp_aggr.adb (Component_Not_OK_For_Backend): Redo previous
	changes to handle all cases of components depending on the
	discriminant, not just string literals.

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Analyze_Subtype_Declaration): If the subtype
	declaration is the generated declaration for a generic actual,
	inherit predicates from the actual if it is a predicated subtype.

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch6.adb (Rewrite_Function_Call_For_C): If the function is
	inherited and its result is controlling,  introduce a conversion
	on the actual for the corresponding procedure call, to avoid
	spurious type errors.

2016-04-21  Jerome Lambourg  <lambourg@adacore.com>

	* krunch.adb (Krunch): Fix krunching of i-vxworks.

From-SVN: r235317

2016-04-21  Gary Dismukes  <dismukes@adacore.com>

	* exp_aggr.adb: Minor reformatting and code cleanup.

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb (Resolve_Name): Omit quantified expressions from
	resolution, because they introduce local names. Full resolution
	will take place when predicate function is constructed.

From-SVN: r235316

	* tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
	max_loop_iterations_int.
	(tree_unswitch_outer_loop): Likewise.

From-SVN: r235315

exp_aggr.adb (Component_Not_OK_For_Backend): Refine previous change to take into account Per_Object_Constraint field rather...

2016-04-21  Arnaud Charlet  <charlet@adacore.com>

	* exp_aggr.adb (Component_Not_OK_For_Backend): Refine previous
	change to take into account Per_Object_Constraint field rather
	than special casing strings.
	* exp_ch6.adb: Fix typo in Replace_Returns.

From-SVN: r235314

2016-04-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch5.adb: Minor reformatting.

2016-04-21  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_ch2.adb (Expand_Current_Value): Make an appropriate
	character literal if the entity is of a character type.

2016-04-21  Arnaud Charlet  <charlet@adacore.com>

	* exp_aggr.adb (Backend_Processing_Possible): Return False
	when generating C and aggregate contains function calls.

2016-04-21  Tristan Gingold  <gingold@adacore.com>

	* krunch.adb (Krunch): Only partially krunch children of
	Interfaces that aren't known.

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_prag.adb (Make_Inline): Handle properly the instantiation
	of a generic subpprogram that carries an Inline aspect. Place
	inline info on the anonymous subprogram that is constructed in
	the wrapper package.
	(Analyze_Pragma, case Pure): Do not check placement if pragma
	appears within an instantiation, which can be nested at any level.
	* sem_ch12.adb (Analyze_Instance_And_Renamings): Do not copy Freeze
	node from anonymous subprogram to its visible renaming. The
	freeze node will be constructed if the subprogram carries
	delayed aspects.
	(Set_Global): Preserve dimension information if present (from
	code reading).

2016-04-21  Vasiliy Fofanov  <fofanov@adacore.com>

	* gnatlink.adb: Change wording of the warning message on
	problematic filenames to be more neutral. Add a new substring
	"patch" introduced on Windows 10.

From-SVN: r235313

2016-04-21  Philippe Gil  <gil@adacore.com>

	* tracebak.c (__gnat_backtrace): handle bad RIP values (win64 only)

2016-04-21  Javier Miranda  <miranda@adacore.com>

	* exp_aggr.adb (Component_Not_OK_For_Backend): Return true for string
	literals.

2016-04-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.adb (Has_Non_Null_Abstract_State): New routine.
	* einfo.ads New synthesized attribute
	Has_Non_Null_Abstract_State along with occurrences in entities.
	(Has_Non_Null_Abstract_State): New routine.
	* sem_ch7.adb (Unit_Requires_Body): Add local variable
	Requires_Body. A package declaring an abstract state requires
	a body only when the state is non-null and the package contains
	at least one other construct that requires completion in a body.
	* sem_util.adb (Mode_Is_Off): Removed.
	(Requires_State_Refinement): Remove an obsolete check. Code
	cleanup.

2016-04-21  Bob Duff  <duff@adacore.com>

	* sem_attr.adb (Analyze_Attribute): In processing
	the 'Old attribute, a warning is given for infinite recursion. Fix
	the code to not crash when the prefix of 'Old denotes a protected
	function.
	* sem_ch5.adb (Analyze_Iterator_Specification):
	Avoid calling Is_Dependent_Component_Of_Mutable_Object in cases
	where the parameter would not be an object.

2016-04-21  Eric Botcazou  <ebotcazou@adacore.com>

	* sem_eval.adb (Compile_Time_Compare): Be prepared for an empty
	Etype or Underlying_Type of the operands.

2016-04-21  Eric Botcazou  <ebotcazou@adacore.com>

	* atree.adb (Print_Statistics): Protect against overflows and
	print the memory consumption in bytes.
	* table.adb (Reallocate): Do the intermediate calculation of the new
	size using the Memory.size_t type.

From-SVN: r235312

2016-04-21  Gary Dismukes  <dismukes@adacore.com>

	* exp_attr.adb (Is_Inline_Floating_Point_Attribute): Suppress
	expansion of Attribute_Machine and Attribute_Model for AAMP.

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* freeze.adb: Disable previous change for now.

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch8.adb (Find_Selected_Component): If prefix has an
	access type and designated type is a limited view, introduce
	an explicit dereference before continuing the analysis, and
	set its type to the non-limited view of the designated type,
	if we are in context where it is available.

From-SVN: r235311

From-SVN: r235310

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* freeze.adb: Freeze profile in ASIS mode.

From-SVN: r235309

2016-04-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_aux.ads, sem_aux.adb (Has_Rep_Item): New variant.
	* sem_util.adb (Inherit_Rep_Item_Chain): Reimplemented.

2016-04-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch6.adb: Minor reformatting.

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb: Minor comment update.

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* freeze.ads, freeze.adb (Freeze_Entity, Freeze_Before): Add
	boolean parameter to determine whether freezing an overloadable
	entity freezes its profile as well. This is required by
	AI05-019. The call to Freeze_Profile within Freeze_Entity is
	conditioned by the value of this flag, whose default is True.
	* sem_attr.adb (Resolve_Attribute, case 'Access): The attribute
	reference freezes the prefix, but it the prefix is a subprogram
	it does not freeze its profile.

From-SVN: r235308

2016-04-21  Javier Miranda  <miranda@adacore.com>

	* exp_util.adb (Build_Procedure_Form): No action needed for
	subprogram renamings since the backend can generate the call
	using the renamed subprogram. This leaves the tree more clean
	to the backend.
	* exp_ch6.adb (Expand_Call): Extend previous patch for
	rewritten-for-c entities to handle subprogram renamings.
	(Rewrite_Function_Call_For_C): Handle subprogram renamings.

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb: Code cleanup.

From-SVN: r235307

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Analyze_Subprogram_Body_Helper): If the body is
	created for SPARK_To_C, the entity must remain invisible so it
	does not overload subsequent references to the original function.
	* exp_ch6.adb (Build_Procedure_Body_Form, Replace_Returns):
	Handle Extended_Return_Statements by replacing it with a block
	with assignments and a simple return statement.
	* exp_util.adb (Build_Procedure_Form): Make procedure entity
	invisible after analyzing declaration, to prevent improper
	overloading.

From-SVN: r235306

sem_ch6.adb (Build_Subprogram_Declaration): Propagate the attribute Rewritten_For_C to the body since since the expander...

2016-04-21  Javier Miranda  <miranda@adacore.com>

	* sem_ch6.adb (Build_Subprogram_Declaration): Propagate the
	attribute Rewritten_For_C to the body since since the expander
	may generate calls using that entity.
	* exp_ch6.adb (Expand_Call): For internally generated
	calls ensure that they reference the entity of the spec
	of the called function.
	(Rewritten_For_C_Func_Id): New subprogram.
	(Rewritten_For_C_Proc_Id): New subprogram.
	(Rewrite_Function_Call_For_C): Invoke the new subprogram to
	ensure that we skip freezing entities.
	* exp_util.adb (Build_Procedure_Form): No action needed if the
	procedure was already built.

From-SVN: r235305

2016-04-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch3.adb, exp_util.adb, sem_ch13.adb, exp_unst.adb: Minor
	reformatting.

2016-04-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_util.adb (Denotes_Iterator): Use root type to determine
	whether the ultimate ancestor is the predefined iterator
	interface pakage.
	* exp_ch5.adb (Expand_Iterator_Over_Container): simplify code
	and avoid reuse of Pack local variable.

2016-04-21  Olivier Hainque  <hainque@adacore.com>

	* system-vxworks-arm.ads, system-vxworks-sparcv9.ads,
	system-vxworks-ppc.ads, system-vxworks-m68k.ads,
	system-vxworks-mips.ads, system-vxworks-x86.ads: Define
	Executable_Extension to ".out".

From-SVN: r235304

2016-04-21  Javier Miranda  <miranda@adacore.com>

	* frontend.adb: Update call to Unnest_Subprograms.
	* exp_ch6.ads, exp_ch6.adb, exp_unst.ads, exp_unst.adb
	(Unnest_Subprograms): Moved to package exp_unst.
	* exp_unst.ads (Unnest_Subprogram): Moved to the body of the
	package.
	* exp_dbug.adb (Qualify_Entity_Name): Enable qualification of
	enumeration literals when generating C code.

From-SVN: r235303

2016-04-21  Javier Miranda  <miranda@adacore.com>

	* frontend.adb: Remove call to initialize Exp_Ch6.
	* exp_ch6.ads, exp_ch6.adb (Initialize): removed.
	(Unest_Entry/Unest_Bodies): Removed.
	(Unnest_Subprograms): Code cleanup.

2016-04-21  Arnaud Charlet  <charlet@adacore.com>

	* set_targ.adb (Read_Target_Dependent_Values):
	close target description file once its contents is read.
	* s-os_lib.adb (Non_Blocking_Spawn, version with Stdout_File
	and Stderr_File): Close local file descriptors before spawning
	child process.
	* exp_util.adb (Containing_Package_With_Ext_Axioms): Limit scope of
	local variables to make the code easier to understand and avoid
	duplicated calls to Parent and Generic_Parent.

From-SVN: r235302

From-SVN: r235301

re PR c++/55635 (Deallocation function ("operator delete") not called when destructor throws exception)

	cp/
	PR c++/55635
	* init.c (build_vec_delete_1): Protect operator delete call in try
	finally.
	(build_delete): Likewise.
	* optimize.c (build_delete_destructor_body): Likewise.

	testsuite/
	PR c++/55635
	* g++.dg/eh/delete1.C: New.

From-SVN: r235297

Since avx256-unaligned-store-2.c scans typeless SSE stores, add
-mtune-ctrl=sse_typeless_stores to enable typeless SSE stores.

	* gcc.target/i386/avx256-unaligned-store-2.c: Add
	-mtune-ctrl=sse_typeless_stores.

From-SVN: r235296

Since avx_loadups256 and sse_loadups have been replaced by movv8sf_internal
and movv4sf_internal, respectively, we need to scan movv8sf_internal and
movv4sf_internal for load.

	* gcc.target/i386/avx256-unaligned-load-1.c: Update load scan.

From-SVN: r235295

	PR libstdc++/69703
	* src/c++11/codecvt.cc (__codecvt_utf8_base<char16_t>::do_in,
	__codecvt_utf8_utf16_base<char16_t>::do_in): Fix mask operations.

From-SVN: r235293

	PR tree-optimization/69489
	* tree-if-conv.c (phi_convertible_by_degenerating_args): New.
	(if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
	Revise dump message.
	(if_convertible_bb_p): Remove check on edge count of basic block's
	predecessors.

	gcc/testsuite/ChangeLog
	PR tree-optimization/69489
	* gcc.dg/tree-ssa/ifc-pr69489-2.c: New test.

From-SVN: r235292

2016-04-20  Martin Galvan  <martin.galvan@tallertechnologies.com>

	libgcc/
	* config/arm/ieee754-df.S: Fix typos in comments.

From-SVN: r235291

Fix PR c++/69363

gcc/c-family/
	PR c++/69363
	* c-cilkplus.c (c_finish_cilk_clauses): Remove function.
	* c-common.h (c_finish_cilk_clauses): Remove declaration.
gcc/c/
	PR c++/69363
	* c-parser.c (c_parser_cilk_all_clauses): Use c_finish_omp_clauses
	instead of c_finish_cilk_clauses.
	* c-tree.h (c_finish_omp_clauses): Add new default argument.
	* c-typeck.c (c_finish_omp_clauses): Add new argument.  Allow
	floating-point variables in the linear clause for Cilk Plus.
gcc/cp/
	PR c++/69363
	* cp-tree.h (finish_omp_clauses): Add new default argument.
	* parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
	instead of c_finish_cilk_clauses.
	* semantics.c (finish_omp_clauses): Add new argument.  Allow
	floating-point variables in the linear clause for Cilk Plus.
gcc/testsuite/
	PR c++/69363
	* c-c++-common/cilk-plus/PS/clauses3.c: Adjust dg-error string.
	* c-c++-common/cilk-plus/PS/clauses4.c: New test.
	* c-c++-common/cilk-plus/PS/pr69363.c: New test.

From-SVN: r235290

	PR tree-optimization/56625
	PR tree-optimization/69489
	* tree-data-ref.h (DR_INNERMOST): New macro.
	* tree-if-conv.c (innermost_loop_behavior_hash): New class for
	hashing struct innermost_loop_behavior.
	(ref_DR_map): Remove.
	(innermost_DR_map): New map.
	(baseref_DR_map): Revise comment.
	(hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
	to innermost_DR_map accroding to its innermost loop behavior.
	(ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
	to its innermost loop behavior.
	(if_convertible_loop_p_1): Remove intialization for ref_DR_map.
	Add initialization for innermost_DR_map.  Record memory reference
	in DR_BASE_ADDRESS if the reference is compound one or it doesn't
	have innermost loop behavior.
	(if_convertible_loop_p): Remove release for ref_DR_map.  Release
	innermost_DR_map.

	gcc/testsuite/ChangeLog
	PR tree-optimization/56625
	PR tree-optimization/69489
	* gcc.dg/vect/pr56625.c: New test.
	* gcc.dg/tree-ssa/ifc-pr69489-1.c: New test.

From-SVN: r235289

	* semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
	TARGET_EXPR.

From-SVN: r235288

Gcc uses the same -march= for both -m32 and -m64 on x86-64 unless
--with-arch-32= is used.  There is no need for -march=i486 to compile
32-bit libatomic on x86-64.

	PR target/70454
	* configure.tgt (XCFLAGS): Don't add -march=i486 to compile
	32-bit x86 target library on x86-64.

From-SVN: r235287

	* config/i386/i386.md (*lea<mode>_general_1): Rename from
	*lea_general_1.  Use explicit SWI12 mode interator.
	(*lea<mode>_general_2): Rename from *lea_general_2.
	Use explicit SWI12 mode interator.
	(*lea<mode>_general_3): Rename from *lea_general_3.
	Use explicit SWI12 mode interator.
	(*lea<SWI12:mode>_general_4): Split from *lea_general_4.
	Use explicit SWI12 mode interator.
	(*lea<SWI48:mode>_general_4): Split from *lea_general_4.
	Use explicit SWI48 mode interator.

From-SVN: r235286

Since mov<mode>_internal patterns handle both aligned/unaligned load
and store, we can simplify ix86_avx256_split_vector_move_misalign and
ix86_expand_vector_move_misalign.

	* config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
	Short-cut unaligned load and store cases.  Handle all integer
	vector modes.
	(ix86_expand_vector_move_misalign): Short-cut unaligned load
	and store cases.  Call ix86_avx256_split_vector_move_misalign
	directly without checking mode class.

From-SVN: r235283

2016-04-20  Andrew Pinski  <apinski@cavium.com>
            Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/64971
	* config/aarch64/aarch64.md (sibcall): Force call
	address to be DImode for ILP32.
	(sibcall_value): Likewise.

	* gcc.c-torture/compile/pr37433-1.c: New testcase.


Co-Authored-By: Kyrylo Tkachov <kyrylo.tkachov@arm.com>

From-SVN: r235281

	* doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.

From-SVN: r235275

2016-04-20  Richard Biener  <rguenther@suse.de>

	* gimple-match.h (maybe_build_generic_op): Adjust prototype.
	* gimple-match-head.c (maybe_build_generic_op): Pass all ops
	by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
	(maybe_push_res_to_seq): Adjust.
	* gimple-fold.c (maybe_build_generic_op): Likewise.

From-SVN: r235274