2015-05-26  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch7.adb (Install_Private_Declarations,
	Swap_Private_Dependents): Ensure that both views of the dependent
	subtype are immediately visible if we are within their scope. This
	may be needed when a procedure body is both the parent of an
	instantiated child unit, and is itself used to inline a local
	function.

2015-05-26  Gary Dismukes  <dismukes@adacore.com>

	* exp_prag.adb, gnat1drv.adb: Minor reformatting.

2015-05-26  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_ch4.adb (Expand_N_Indexed_Component): In the circuit
	detecting exceptions to the rewriting, deal with implicit
	dereferences in the selected component case.

2015-05-26  Bob Duff  <duff@adacore.com>

	* sem_ch13.adb (Analyze_One_Aspect): Do not
	require the expression of the Disable_Controlled aspect to be
	static in a generic template, because 'Enabled is not known
	until the instance.

2015-05-26  Doug Rupp  <rupp@adacore.com>

	* init-vxsim.c: New file for vxsim ZCX
	* sigtramp-vxworks-vxsim.c: Likewise.
	* sigtramp-vxworks.c: Factor out target dependent bits into ...
	* sigtramp-vxworks-target.inc: ... here.
	* sigtramp.h: Add vxsim zcx protos.
	* init.c [vxworks...] (sysLib.h): Include.
	(__gnat_map_signal): Make global.
	 [...i386] (__gnat_error_handler): Call __gnat_vxsim_error_handler if
	on vxsim.
	[...i386] (__gnat_install_handler): Test if on vxsim.

2015-05-26  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch5.adb (Analyze_Iterator_Specification): For an element
	iterator over an array, if the component is aliased, the loop
	variable is aliased as well.

2015-05-26  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch6.adb (Expand_Actuals): For a function call with in-out
	parameters that is rewritten as an expression_with_actions,
	we preserve the original function call node for further use by
	the caller (typically Expand_Call). In the presence of validity
	checks, that function call, though it is labelled Analyzed to
	prevent an infinite recursion, may be rewritten as a temporary
	by Remove_Side_Effects.  Ensure that the caller has access to
	the original function call to continue expansion.
	* atree.ads: Minor typo in comment.

2015-05-26  Javier Miranda  <miranda@adacore.com>

	* sem_util.adb (Check_Function_Writable_Actuals):
	Add missing support to check the violation of writable actuals
	in array aggregates that have a nonstatic range.

From-SVN: r223672

2015-05-26  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch6.adb (Process_Contract_Cases_For): Update the call to
	Expand_Pragma_Contract_Cases.
	* exp_prag.ads, exp_prag.adb (Expand_Contract_Cases): Rename to
	Expand_Pragma_Contract_Cases.
	* sem_ch13.adb (Add_Invariants): Use the original aspect name
	when creating the arguments of pragma Check. This ensures that
	'Class is properly recognized and handled.

From-SVN: r223671

2015-05-26  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop.c (vect_update_vf_for_slp): Split out from ...
	(vect_analyze_loop_operations): ... here.  Remove slp parameter,
	detect whether we apply SLP.  Remove call to
	vect_update_slp_costs_according_to_vf.
	(vect_analyze_loop_2): Call vect_update_vf_for_slp and
	vect_update_slp_costs_according_to_vf from here.  Dispatch
	to vect_slp_analyze_operations to analyze SLP stmts.
	* tree-vect-slp.c (vect_slp_analyze_node_operations): Drop
	unused bb_vec_info parameter, adjust assert.
	(vect_slp_analyze_operations): Pass in the slp instance tree
	instead of bb_vec_info.
	(vect_slp_analyze_bb_1): Adjust call to vect_slp_analyze_operations.
	* tree-vectorizer.h (vect_slp_analyze_operations): Declare.

From-SVN: r223670

	* gnat1drv.adb: Minor adjustments.
	(Adjust_Global_Switches): Disable some related flags in CodePeer mode.
	* sem_ch4.adb (Has_Arbitrary_Evaluation_Order,
	Stop_Subtree_Climbind): Code cleanup.
	* einfo.ads: Minor comment change.

From-SVN: r223669

2015-05-26  Javier Miranda  <miranda@adacore.com>

	* sem_aggr.adb (Resolve_Aggregate, Resolve_Extension_Aggregate):
	Code cleanup.
	* sem_ch3.adb (Build_Derived_Record_Type,
	Record_Type_Declaration): Code cleanup.
	* sem_ch4.adb (Has_Arbitrary_Evaluation_Order,
	Stop_Subtree_Climbind): Tables which speed up the identification
	of dangerous calls to Ada 2012 functions with writable actuals
	(AI05-0144).
	(Analyze_Arithmetic_Op, Analyze_Call, Analyze_Comparison_Op,
	Analyze_Equality_Op, Analyze_Logical_Op, Analyze_Membership_Op,
	Analyze_Range): Code cleanup.
	(Is_Arbitrary_Evaluation_Order_Construct): Removed.
	(Check_Writable_Actuals): Code cleanup using the added tables.
	* sem_util.adb (Check_Function_Writable_Actuals): Return
	immediately if the node does not have the flag Check_Actuals
	set to True.

2015-05-26  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_ch6.adb (Add_Call_By_Copy_Code): Remove restrictive
	condition in the detection of the effects of Remove_Side_Effects.
	* exp_util.ads (Remove_Side_Effects): Add general and historical note.
	* exp_util.adb (Is_Name_Reference): New predicate.
	(Remove_Side_Effects): Use it in lieu of Is_Object_Reference
	in order to decide whether to use the renaming to capture the
	side effects of the subexpression.
	(Side_Effect_Free): Remove obsolete test.

From-SVN: r223668

2015-05-26  Robert Dewar  <dewar@adacore.com>

	* aspects.ads, aspects.adb: Add aspect Disable_Controlled.
	* einfo.ads, einfo.adb (Disable_Controlled): New flag.
	(Is_Controlled_Active): New function.
	* exp_ch3.adb (Expand_Freeze_Record_Type): Use
	Is_Controlled_Active.
	* exp_util.adb (Needs_Finalization): Finalization not needed
	if Disable_Controlled set.
	* freeze.adb (Freeze_Array_Type): Do not set
	Has_Controlled_Component if the component has Disable_Controlled.
	(Freeze_Record_Type): ditto.
	* sem_ch13.adb (Decorate): Minor reformatting.
	(Analyze_Aspect_Specifications): Implement Disable_Controlled.
	* sem_ch3.adb (Analyze_Object_Declaration): Handle
	Disable_Controlled.
	(Array_Type_Declaration): ditto.
	(Build_Derived_Private_Type): ditto.
	(Build_Derived_Type): ditto.
	(Record_Type_Definition): ditto.
	* snames.ads-tmpl: Add Name_Disable_Controlled.

2015-05-26  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_ch6.adb (Expand_Actuals): Use a constant declaration instead
	of a renaming to capture the return value of a function call.
	(Expand_Simple_Function_Return): Call Remove_Side_Effects
	instead of removing side effects manually before the call to
	_Postconditions.

From-SVN: r223667

From-SVN: r223666

2015-05-26  Robert Dewar  <dewar@adacore.com>

	* exp_ch4.adb (Expand_N_Op_Expon): Deal with problem of wrong
	order in calling Duplicate_Subexpr.
	* einfo.ads: Fix documentation of Object/Value size for scalar types.

From-SVN: r223665

exp_aggr.adb (Build_Array_Aggr_Code, Gen_Assign): If a component is default-initialized and its type has an invariant procedure...

2015-05-26  Ed Schonberg  <schonberg@adacore.com>

	* exp_aggr.adb (Build_Array_Aggr_Code, Gen_Assign):
	If a component is default-initialized and its type has an
	invariant procedure, insert an invariant test after code for
	default-initialization of the component.

From-SVN: r223664

2015-05-26  Gary Dismukes  <dismukes@adacore.com>

	* einfo.ads, sem_util.adb, sem_ch4.adb: Minor reformatting.

2015-05-26  Robert Dewar  <dewar@adacore.com>

	* exp_unst.adb, exp_unst.ads: Change to using Subps table index for
	making AREC entity names unique.

2015-05-26  Ed Schonberg  <schonberg@adacore.com>

	* sem_cat.adb (Has_Stream_Attribute_Definition): If the type
	has aspect specifications, examine the corresponding list of
	representation items to determine whether there is a visible
	stream operation. The attribute definition clause generated from
	the aspect will be inserted at the freeze point of the type,
	which may be in the private part and not directly visible,
	but the aspect makes the operation available to a client.

From-SVN: r223663

2015-05-26  Robert Dewar  <dewar@adacore.com>

	* sem_util.adb: Minor code reorganization.
	* sem_ch6.adb: Minor reformatting.

From-SVN: r223662

From-SVN: r223661

utils.c (maybe_pad_type): Do not apply adjustment to original size for elementary types before issuing...

	* gcc-interface/utils.c (maybe_pad_type): Do not apply adjustment to
	original size for elementary types before issuing the size warning.

From-SVN: r223657

	* gcc-interface/targtyps.c (get_float_words_be): Rename into...
	(get_target_float_words_be): ...this.
	(get_words_be): Rename into...
	(get_target_words_be): ...this.
	(get_bytes_be): Rename into...
	(get_target_bytes_be): ...this.
	(get_bits_be): Rename into...
	(get_target_bits_be): ...this.
	* gcc-interface/gigi.h (standard_datatypes): Remove ADT_ptr_void_type.
	(ptr_void_type_node): Delete.
	(get_target_float_size): Likewise.
	(get_target_double_size): Likewise.
	(get_target_long_double_size): Likewise.
	(get_float_words_be): Likewise.
	(get_words_be): Likewise.
	(get_bytes_be): Likewise.
	(get_bits_be): Likewise.
	(get_target_float_words_be): Declare.
	(get_target_words_be): Likewise.
	(get_target_bytes_be): Likewise.
	(get_target_bits_be): Likewise.
	* gcc-interface/decl.c (gnat_to_gnu_entity): Replace ptr_void_type_node
	with ptr_type_node.
	(intrin_return_compatible_p): Likewise.
	* gcc-interface/trans.c (gigi): Likewise.
	* gcc-interface/utils2.c (maybe_wrap_malloc): Likewise.
	(maybe_wrap_free): Likewise.
	* gcc-interface/utils.c (maybe_pad_type): Remove superfluous space.
	* gcc-interface/misc.c (gnat_init): Do not set ptr_void_type_node.

From-SVN: r223656

	* gcc-interface/decl.c (elaborate_expression): Take a const string
	suffix instead of a tree.
	(elaborate_expression_1): Likewise.
	(elaborate_expression_2): Likewise.
	(gnat_to_gnu_entity): Adjust to above changes.
	(build_subst_list): Likewise.
	(get_entity_char): New static function.

From-SVN: r223655

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Constant>: Move around.
	<E_Exception>: Merge with E_Variable case.
	<E_Variable>: Remove 'object' label.

From-SVN: r223654

	* gcc-interface/decl.c (gnat_to_gnu_entity): Minor tweak.
	* gcc-interface/trans.c (finalize_nrv_unc_r): Use CONSTRUCTOR_ELT.
	* gcc-interface/utils.c (convert): Likewise and simplify.
	(remove_conversions): Likewise.
	* gcc-interface/utils2.c (compare_fat_pointers): Likewise.
	(build_unary_op): Likewise and simplify.

From-SVN: r223653

	* gcc-interface/gigi.h (build_atomic_load): Adjust prototype.
	(build_atomic_store): Likewise.
	(build_load_modify_store): Declare.
	(VECTOR_TYPE_P): Delete.
	* gcc-interface/decl.c (gnat_to_gnu_entity): Replace Is_Atomic with
	Is_Atomic_Or_VFA throughout.
	<E_Array_Type>: Build a variant of the XUA type instead of forcing
	TYPE_VOLATILE on it.
	<E_Array_Subtype>: Use the main variant of the base type.
	Do not force TYPE_VOLATILE on the type being built.
	<E_Record_Type>: Likewise.
	<E_Array_Subtype>: Likewise.
	<E_Subprogram_Type>: Rename local variable.
	Add Atomic qualifier in conjunction with Volatile on types if needed.
	Force BLKmode for by-ref types only at the end of the processing.
	Change qualifiers only after changing the mode of the type.  Set
	TYPE_UNIVERSAL_ALIASING_P on the type directly.
	(check_ok_for_atomic_type): Issue specific error message for VFA.
	(gnat_to_gnu_component_type): Replace Is_Atomic with
	Is_Atomic_Or_VFA throughout.
	* gcc-interface/misc.c (gnat_get_alias_set): Test
	TYPE_UNIVERSAL_ALIASING_P on the type directly.
	* gcc-interface/trans.c (lvalue_required_p): Replace Is_Atomic with
	Is_Atomic_Or_VFA throughout.  Add missing guard.
	(node_is_atomic): New predicate.
	(node_has_volatile_full_access): Likewise.
	(gnat_strip_type_conversion): New function.
	(outer_atomic_access_required_p): New predicate.
	(atomic_sync_required_p): Rename into...
	(atomic_access_required_p): ...this.  Add SYNC parameter, scan the
	parent node first and then look for the atomic setting.  Add support
	for Volatile_Full_Access.
	(Call_to_gnu): Add atomic_access and outer_atomic_access parameters
	and adjusts calls to above functions.  Use load-modify-store sequence
	for updates of In/Out and Out parameters if required, as well as for
	moving the result to the target if required.  Add couple of missing
	guards.
	(gnat_to_gnu): Adjust calls to above functions.
	<N_Object_Renaming_Declaration>: If the renamed object has side-effects
	evaluate only its address.
	<N_Assignment_Statement>: Adjust call to Call_to_gnu.  Use load-modify
	store sequence if required.
	<N_Function_Call>: Adjust call to Call_to_gnu.
	(extract_values): Adjust comment.
	* gcc-interface/utils2.c (build_atomic_load): Add SYNC parameter and
	use relaxed memory model if it is not set.
	(build_atomic_store): Likewise.
	(call_is_atomic_load): New predicate.
	(build_load_modify_store): New function.
	(build_binary_op) <MODIFY_EXPR>: Accept SAVE_EXPR on the LHS.
	(gnat_stabilize_reference) <CALL_EXPR>: Deal with atomic loads.

From-SVN: r223652

	* config/i386/i386.h (enum reg_class): Move CLOBBERED_REGS prior to
	Q_REGS.  Expand comment.
	(REG_CLASS_NAMES): Ditto.
	(REG_CLASS_CONTENTS): Ditto.
testsuite:
	* gcc.target/i386/pr66232-1.c: Adjust scan pattern.
	* gcc.target/i386/pr66232-3.c: Likewise.

From-SVN: r223650

	PR target/66274
	* config/i386/i386.c (print_reg): Only print "r" for TARGET_64BIT
	when LEGACY_INT_REGNO_P is processed.

testsuite/ChangeLog:

	PR target/66274
	* gcc.target/i386/pr66274.c: New test.

From-SVN: r223649

From-SVN: r223648

avr.c (avr_out_load_psi_reg_no_disp_tiny): Restore base register if not marked dead/unused, before return.

	* config/avr/avr.c (avr_out_load_psi_reg_no_disp_tiny): Restore base
	register if not marked dead/unused, before return.

From-SVN: r223647

From-SVN: r223646

	* gcc-interface/ada-tree.h (DECL_RENAMING_GLOBAL_P): Rename into...
	(DECL_GLOBAL_NONCONSTANT_RENAMING_P): ...this.
	* gcc-interface/gigi.h (record_global_renaming_pointer): Delete.
	(invalidate_global_renaming_pointers): Likewise.
	(record_global_nonconstant_renaming): New.
	(invalidate_global_nonconstant_renamings): Likewise.
	(get_inner_constant_reference): Likewise.
	(gnat_constant_reference_p): Likewise.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Adjust to above
	and register the renaming pointer only if the object is non-constant.
	(elaborate_expression_1): Call get_inner_constant_reference instead
	of get_inner_reference.
	* gcc-interface/trans.c (fold_constant_decl_in_expr): Minor tweak.
	(Identifier_to_gnu): Adjust to above and do not recheck the renamed
	object before substituting it.
	(Compilation_Unit_to_gnu): Adjust to above renaming.  Minor tweaks.
	(gnat_to_gnu) <N_Object_Renaming_Declaration>: Do not return the
	result at the global level.
	(N_Exception_Renaming_Declaration): Likewise.
	* gcc-interface/utils.c (global_renaming_pointers): Rename into...
	(global_nonconstant_renamings): ...this.
	(destroy_gnat_utils): Adjust to above renaming.
	(record_global_renaming_pointer): Rename into...
	(record_global_nonconstant_renaming): ...this.
	(invalidate_global_renaming_pointers): Rename into...
	(invalidate_global_nonconstant_renamings): ...this and do not recheck
	the renamed object before invalidating.
	* gcc-interface/utils2.c (gnat_stabilize_reference): Minor tweak.
	(get_inner_constant_reference): New public function.
	(gnat_constant_reference_p): New predicate.

From-SVN: r223644

2015-05-25  Javier Miranda  <miranda@adacore.com>

	* einfo.ads, einfo.adb (Has_Out_Or_In_Out_Parameter): This attribute
	is now present in subprograms, generic subprograms, entries and
	entry families.
	* sem_ch6.adb (Set_Formal_Mode): Set As_Out_Or_In_Out_Parameter
	on entries, entry families, subprograms and generic subprograms.
	* sem_ch12.adb (Analyze_Generic_Subprogram_Declaration):
	Minor code reorganization to ensure that the Ekind attribute
	of the subprogram entity is set before its formals are
	processed. Required to allow the use of the attribute
	Has_Out_Or_In_Out_Parameter on the subprogram entity.
	* sem_aggr.adb (Resolve_Aggregate, Resolve_Extension_Aggregate):
	Perform the check on writable actuals only if the value of some
	component of the aggregate involves calling a function with
	out-mode parameters.
	(Resolve_Record_Aggregate): Propagate the Check_Actuals flag to the
	internally built aggregate.
	* sem_ch3.adb (Build_Derived_Record_Type, Record_Type_Declaration):
	Perform the check on writable actuals only if the initialization of
	some component involves calling a function with out-mode parameters.
	* sem_ch4.adb (Analyze_Arithmetic_Op, Analyze_Comparison_Op,
	Analyze_Equality_Op, Analyze_Logical_Op, Analyze_Membership_Op,
	Analyze_Range): Check writable actuals only if the
	subtrees have a call to a function with out-mode parameters
	(Analyze_Call.Check_Writable_Actuals): New subprogram. If the call
	has out or in-out parameters then mark its outermost enclosing
	construct as a node on which the writable actuals check must
	be performed.
	(Analyze_Call): Check if the flag must be set and if the outermost
	enclosing construct.
	* sem_util.adb (Check_Function_Writable_Actuals): Code cleanup
	and reorganization. We skip processing aggregate discriminants
	since their precise analysis involves two phases traversal.
	* sem_res.adb (Resolve_Actuals, Resolve_Arithmetic_Op,
	Resolve_Logical_Op, Resolve_Membership_Op): Remove call to
	check_writable_actuals.

From-SVN: r223643

2015-05-25  Andreas Tobler  <andreast@gcc.gnu.org>

        * gcc.target/i386/pr64317.c: Use 'dg-require-effective-target ia32'
	and 'dg-require-effective-target pie'.

From-SVN: r223642

From-SVN: r223640

	cp/
	PR c++/66243
	* decl.c (build_enumerator): Don't silently convert scoped enums.

	testsuite/
	PR c++/66243
	* g++.dg/cpp0x/pr66243.C: New.

From-SVN: r223636

From-SVN: r223635

From-SVN: r223634

	PR lto/66180
	* ipa-devirt.c (type_with_linkage): Check that TYPE_STUB_DECL
	is set; check for assembler name at LTO time.
	(type_in_anonymous_namespace): Remove hacks, check that all
	anonymous types are called "<anon>"
	(odr_type_p): Simplify; add check for "<anon>"
	(odr_subtypes_equivalent): Add odr_type_p check.
	* tree.c (need_assembler_name_p): Even anonymous namespace needs
	assembler name.
	* mangle.c (mangle_decl): Mangle anonymous namespace types as
	"<anon>".
	* g++.dg/lto/pr66180_0.C: New testcase.
	* g++.dg/lto/pr66180_1.C: New testcase.

From-SVN: r223633

	PR fortran/66257
gcc/fortran/
	* resolve.c (resolve_actual_arglist): Don't throw an error
	if the argument with procedure pointer component is not a variable.
gcc/testsuite/
	* typebound_call_27.f90: New file.

From-SVN: r223631

	* ipa-utils.h (method_class_type): Remove.
	* cgraphunit.c (walk_polymorphic_call_targets): Use TYPE_METHOD_BASETYPE.
	* ipa-devirt.c (type_in_anonymous_namespace_p): Check that it is called
	on main variants only.
	(method_class_type): Remove.
	(update_type_inheritance_graph): Use TYPE_METHOD_BASETYPE.
	(build_type_inheritance_graph): Likewise.
	* ipa-icf.c (sem_function::equals_wpa): Likewise.
	* pa-polymorphic-call.c (decl_maybe_in_construction_p, 
	check_stmt_for_type_change): Use TYPE_METHOD_BASETYPE.

From-SVN: r223629

	* tree.c (prototype_p, virtual_method_call_p, obj_type_ref_class,
	is_typedef_decl, typedef_variant_p): Constify.
	* tree.h (prototype_p, virtual_method_call_p, obj_type_ref_class,
	is_typedef_decl, typedef_variant_p): Constify.

From-SVN: r223628

gcc/ChangeLog:

2015-05-23  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* defaults.h (gen_tablejump): New function.
	(HAVE_tablejump): Add default value.
	* expr.c: Adjust.
	* stmt.c: Likewise.

From-SVN: r223625

gcc/ChangeLog:

2015-05-23  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* defaults.h (gen_store_multiple): New function.
	(HAVE_store_multiple): Add default value.
	* expr.c (move_block_from_reg): Adjust.

From-SVN: r223624

gcc/ChangeLog:

2015-05-23  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* defaults.h (gen_load_multiple): New function.
	(HAVE_load_multiple): Add default value.
	* expr.c (move_block_to_reg): Adjust.

From-SVN: r223623

gcc/ChangeLog:

2015-05-23  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* defaults.h (gen_mem_signal_fence): New function.
	(HAVE_mem_signal_fence): Add default value.
	* optabs.c: Adjust.

From-SVN: r223622

gcc/ChangeLog:

2015-05-23  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* defaults.h (gen_memory_barrier): New function.
	(HAVE_memory_barrier): Add default value.
	* optabs.c: Adjust.

From-SVN: r223621

gcc/ChangeLog:

2015-05-23  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* defaults.h (gen_mem_thread_fence): New function.
	(HAVE_mem_thread_fence): Add default definition.
	* optabs.c: Adjust.

From-SVN: r223620