* gcc-interface/trans.c (unchecked_conversion_lhs_nop): New predicate.
	(gnat_to_gnu) <N_Unchecked_Type_Conversion>: Return the expression
	if the conversion is on the LHS of an assignment and a no-op.
	<all> Do not convert the result to the result type if the Parent
	node is such a conversion.

From-SVN: r146450

	* cp-tree.h (base_access): Change typedef to int.
	* parser.c (cp_parser_omp_flush): Change 0 to OMP_CLAUSE_ERROR.
	(cp_parser_omp_threadprivate): Likewise.
	* pt.c (unify_pack_expansion): Add casts to enum type.

From-SVN: r146448

	* gcc-interface/ada-tree.h (DECL_HAS_REP_P): Delete.
	* gcc-interface/decl.c (gnat_to_gnu_entity): Add support for extension
	of types with unknown discriminants.
	(substitute_in_type): Rewrite and restrict to formal substitutions.
	* gcc-interface/utils.c (create_field_decl): Do not set DECL_HAS_REP_P.
	(update_pointer_to): Update comment.

From-SVN: r146447

From-SVN: r146446

	* module.c (import_iso_c_binding_module): Add casts to enum type.
	* trans-intrinsic.c (gfc_conv_intrinsic_minmax): Change op to enum
	tree_code.
	(gfc_conv_intrinsic_anyall): Likewise.
	(gfc_conv_intrinsic_arith): Likewise.
	(gfc_conv_intrinsic_minmaxloc): Likewise.
	(gfc_conv_intrinsic_minmaxval): Likewise.
	(gfc_conv_intrinsic_bitop): Likewise.
	(gfc_conv_intrinsic_singlebitop): Likewise.
	(gfc_conv_intrinsic_strcmp): Likewise.

From-SVN: r146445

2009-04-20  Joey Ye  <joey.ye@intel.com>
	    Xuepeng Guo <xuepeng.guo@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.

	* config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
	(IX86_LEA_PRIORITY): Likewise.
	(distance_non_agu_define): New function.
	(distance_agu_use): Likewise.
	(ix86_lea_for_add_ok): Likewise.
	(ix86_dep_by_shift_count): Likewise.

	* config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
	should split for LEA.

	* config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
	function.
	(ix86_dep_by_shift_count): Likewise.

Co-Authored-By: H.J. Lu <hongjiu.lu@intel.com>
Co-Authored-By: Xuepeng Guo <xuepeng.guo@intel.com>

From-SVN: r146443

2009-04-20  Richard Guenther  <rguenther@suse.de>

	* expr.c (handled_component_p): Move ...
	* tree.h (handled_component_p): ... here.
	* tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
	ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
	and REALPART_EXPR to be in one group.

From-SVN: r146427

2009-04-20  Richard Guenther  <rguenther@suse.de>

	* basic-block.h (get_all_dominated_blocks): Declare.
	* dominance.c (get_all_dominated_blocks): New function.
	* tree-cfg.c (get_all_dominated_blocks): Remove.
	(remove_edge_and_dominated_blocks): Adjust.
	* tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
	(tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
	instead of recursing.

From-SVN: r146425

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch8.adb (Use_One_Package): In an instance, if two
	potentially_use_visible and non-overloadable homonyms are available
	from  the actuals of distinct formal packages, retain the current one,
	which was visible in the generic, to prevent spurious visibility
	errors.
	(End_Use_Package): Restore use_visibility when needed.

2009-04-20  Sergey Rybin  <rybin@adacore.com>

	* gnat_ugn.texi, vms_data.ads: Update doc.

From-SVN: r146424

2009-04-20  Arnaud Charlet  <charlet@adacore.com>

	* gcc-interface/Make-lang.in: Update dependencies

	* gcc-interface/Makefile.in: Link run-time against winsock2 lib under
	Windows.

From-SVN: r146423

2009-04-20  Robert Dewar  <dewar@adacore.com>

	* checks.ads: Fix documentation of range check handling

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch8.adb (Use_One_Type): Use proper entity on warning message for
	a redundant use_type clause.

From-SVN: r146422

sem_ch6.adb (Analye_Subprogram_Declaration): Code reorganization, for better handling of null procedures.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Analye_Subprogram_Declaration): Code reorganization,
	for better handling of null procedures.
	(Check_Overriding_Indicator): Do not emit a warning on a missing
	overriding indicator on an operator when the type of which the operator
	is a primitive is private.

From-SVN: r146421

sem_attr.adb (Eval_Attribute, [...]): Catch more cases where this attribute can be evaluated at compile time.

2009-04-20  Robert Dewar  <dewar@adacore.com>

	* sem_attr.adb (Eval_Attribute, case Length): Catch more cases where
	this attribute can be evaluated at compile time.
	(Eval_Attribute, case Range_Length): Same improvement

	* sem_eval.ads, sem_eval.adb (Compile_Time_Compare): New procedure

From-SVN: r146420

	* cgraph.h (cgraph_node_ptr): New type for vector functions.
	(struct cgraph_node_set_def): New type.
	(cgraph_node_set) New type. Also declare vector functions.
	(struct cgraph_node_set_element_def): New type.
	(cgraph_node_set_element): Ditto.
	(cgraph_node_set_iterator): New iterator type.
	(cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
	cgraph_node_set_remove, dump_cgraph_node_set,
	debug_cgraph_node_set): New prototypes.
	(csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
	cgraph_node_set_size): New inlines.
	* tree-pass.h (struct cgraph_node_set_def): New decl to avoid
	including cgraph.h.
	(struct ipa_opt_pass): Add struct cgraph_node_set_def
	argument to function 'write_summary'.
	* ipa.c: Include ggc.h.
	(hash_cgraph_node_set_element,
	eq_cgraph_node_set_element, cgraph_node_set_new,
	cgraph_node_set_add, cgraph_node_set_remove,
	cgraph_node_set_find, dump_cgraph_node_set,
	debug_cgraph_node_set): New functions.
	* Makefile.in (ipa.o): Add dependency on GGC_H.

From-SVN: r146418

2009-04-20  Bob Duff  <duff@adacore.com>

	* sem.adb, gnat1drv.adb, debug.adb: Use the -gnatd.W switch to control
	debugging output.

2009-04-20  Robert Dewar  <dewar@adacore.com>

	* sem_attr.adb: Minor reformatting

	* gnatcmd.adb: Minor reformatting

From-SVN: r146417

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch4.adb (Analyze_User_Defined_Binary_Op): If left operand is
	overloaded and one interpretation matches the context, label the
	operand with the type of first formal.

2009-04-20  Bob Duff  <duff@adacore.com>

	* debug.ads: Minor comment fix.

	* debug.adb: Minor comment fixes.

2009-04-20  Javier Miranda  <miranda@adacore.com>

	* rtsfind.ads (RE_Null_Id): New entity of package Ada.Exceptions

	* exp_ch6.adb (Expand_Inlined_Call): Undo previous patch.

	* exp_ch11.adb (Expand_N_Raise_Statement): When the raise stmt
	is expanded into a call to Raise_Exception, avoid passing the
	exception-name'identity in runtimes in which this argument
	is not used.

From-SVN: r146416

2009-04-20  Jerome Lambourg  <lambourg@adacore.com>

	* impunit.adb: Add i-cil and i-cilobj packages, now needed by the
	generated bindings for cil.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_aggr.adb (Resolve_Record_Aggregate): If the type has unknown
	discriminants, collect components from the Underlying_Record_View,
	which will be used in the expansion of the aggregate into assignments.

	* sem_ch3.adb: Do not label derived type with unknown discriminants as
	having a private declaration.

From-SVN: r146415

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

	* exp_util.adb (Expand_Subtype_From_Expr): use the
	underlying_record_view when available, to create the proper constrained
	subtype for an object of a derived type with unknown discriminants.

2009-04-20  Javier Miranda  <miranda@adacore.com>

	* exp_ch6.ad (Expand_Inlined_Call): Avoid generation of temporaries for
	formals that have pragma unreferenced.

From-SVN: r146414

2009-04-20  Pascal Obry  <obry@adacore.com>

	* a-direct.adb (To_Lower_If_Case_Insensitive): Removed.
	Remove all calls to To_Lower_If_Case_Insensitive to preserve
	the pathname original casing.

2009-04-20  Robert Dewar  <dewar@adacore.com>

	* g-trasym.adb: Minor reformatting

	* s-os_lib.adb: Minor reformatting

	* sem.adb: Minor reformatting
	Minor code reorganization

	* sem_ch3.adb: Minor reformatting

	* sem_ch4.adb: Minor reformatting

	* sem_ch8.adb: Minor reformatting

	* sem_type.adb: Minor reformatting

From-SVN: r146412

2009-04-20  Javier Miranda  <miranda@adacore.com>

	* sem_disp.adb (Find_Dispatching_Type): For subprograms internally
	generated by derivations of tagged types use the aliased subprogram a
	reference to locate their controlling type.

2009-04-20  Tristan Gingold  <gingold@adacore.com>

	* g-trasym.adb: Set size of result buffer before calling
	convert_address.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch4.adb (Valid_Candidate): When checking whether a prefixed call
	to a function returning an array can be interpreted as a call with
	defaulted parameters whose result is indexed, take into account the
	types of all the indices of the array result type.

2009-04-20  Pascal Obry  <obry@adacore.com>

	* a-direct.adb, s-os_lib.adb: Minor reformatting.

From-SVN: r146411

2009-04-20  Nicolas Roche  <roche@adacore.com>

	* sysdep.c (__gnat_localtime_tzoff): on Windows, manipulated times are
	unsigned long long. So compare local_time and utc_time before computing
	the difference.

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

	* sem_ch3.adb (Build_Derived_Private_Type): Insert the declaration
	of the Underlying_Record_View before that of the derived type.

	* exp_ch3.adb (Expand_Record_Extension): Do not special-case types
	with unknown discriminants with regard to the parent subtype.

From-SVN: r146410

sem_ch8.adb (Analyze_Object_Renaming): Proper checks on incorrect null exclusion qualifiers for object renaming...

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch8.adb (Analyze_Object_Renaming): Proper checks on incorrect
	null exclusion qualifiers for object renaming declarations.

From-SVN: r146409

2009-04-20  Bob Duff  <duff@adacore.com>

	* sem.adb (Semantics, Walk_Library_Items): Include dependents of bodies
	that are not included. This is necessary if the main unit is a generic
	instantiation.

	* gnat1drv.adb (Gnat1drv): Comment out the call to Check_Library_Items,
	because it doesn't work if -gnatn is used.

From-SVN: r146408

exp_ch3.adb (Make_Predefined_Primitive_Specs, [...]): Do not create the declarations and bodies of the primitive subprograms...

        * exp_ch3.adb (Make_Predefined_Primitive_Specs,
        Predefined_Primitive_Bodies): Do not create the declarations and bodies
        of the primitive subprograms associated with dispatching select
        statements when the runtime is in configurable mode.

From-SVN: r146407

        * sem_ch3.adb, sem_ch6.adb: Minor reformatting

        * adaint.c (__gnat_is_readable_file): Check for file existence
        when not using ACL (always the case on remote drives).

From-SVN: r146406

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

	* rtsfind.adb (RTE, RTE_Record_Component): In
	Configurable_Run_Time_Mode, do not enable front-end inlining.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

	* g-socthi-vms.adb: Remove now unnecessary WITH clause on
	System.Address_To_Access_Conversions.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

	* sem.adb: Guard against ill-formed subunits.

2009-04-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* a-calfor.adb (Image): Subtract 0.5 from the sub second component only
	when it is positive.  This avoids a potential constraint error raised
	by the conversion to Natural.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

	* einfo.ads: Minor comment rewording

	* sem_aggr.adb: Minor comment rewording

	* sem_ch3.adb, sem_ch6.adb: Minor reformatting

2009-04-20  Pascal Obry  <obry@adacore.com>

	* adaint.c (__gnat_is_readable_file): Check for file existence
	when not using ACL (always the case on remote drives).

From-SVN: r146405

sem_ch8,adb (Analyze_Object_Renaming): Reject ambiguous expressions in an object renaming declaration when...

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch8,adb (Analyze_Object_Renaming): Reject ambiguous expressions
	in an object renaming declaration when the expected type is an
	anonymous access type.

	* sem_type.adb (Disambiguate): Use anonymousness to resolve a potential
	ambiguity when one interpretation is an anonymous access type and the
	other is a named access type, and the context itself is anonymous

From-SVN: r146404

exp_ch5.adb (Expand_Assign_Array): For the case where the assignment involves a target that has a specified address...

2009-04-20  Gary Dismukes  <dismukes@adacore.com>

	* exp_ch5.adb (Expand_Assign_Array): For the case where the assignment
	involves a target that has a specified address, don't set Forward_OK
	and Backward_OK to False if the rhs is an aggregate, since overlap
	can't occur.

From-SVN: r146403

2009-04-20  Bob Duff  <duff@adacore.com>

	* output.adb (Flush_Buffer): Do not indent blank lines.
	(Ignore_Output): New procedure for output suppression.

From-SVN: r146402

2009-04-20  Robert Dewar  <dewar@adacore.com>

	* sinfo.ads: Minor comment fixes

	* exp_disp.adb: Minor reformatting

	* gnat1drv.adb: Minor reformatting

	* output.adb: Minor reformatting

	* s-vxwext-kernel.ads: Minor reformatting

	* sem.ads: Minor reformatting

	* sem.adb: Minor reformatting

	* sem_elim.adb: Minor reformatting

	* uname.ads: Minor reformatting

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

	* init.c (__gnat_adjust_context_for_raise): On x86{-64}/Linux, add
	a small dope of 4 words to the adjustment to the stack pointer.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

	* xoscons.adb: generate C header s-oscons.h in
	addition to s-oscons.ads.

	* socket.c: On VMS, use s-oscons.h.

	* sem_ch3.adb: Minor reformatting

	* exp_ch9.adb: Minor reformatting

From-SVN: r146401

	* gcc-interface/trans.c (check_for_eliminated_entity): Remove.
	(Attribute_to_gnu): Do not call check_for_eliminated_entity.
	(call_to_gnu): Likewise.

From-SVN: r146400

	PR tree-optimization/39675
	* tree-vect-loop.c (vect_transform_loop): Remove currently redundant 
	check of the return code of vect_schedule_slp. Check that stmt_vec_info
	still exists for the statement, before checking its vectorization type.

From-SVN: r146399

	* gcc-interface/trans.c (gigi): Declare the name of the compilation
	unit as the first global name at the very beginning.

From-SVN: r146398

	PR fortran/35423
	* trans.h (OMPWS_WORKSHARE_FLAG, OMPWS_CURR_SINGLEUNIT,
	OMPWS_SCALARIZER_WS, OMPWS_NOWAIT): Define.
	(ompws_flags): New extern decl.
	* trans-array.c (gfc_trans_scalarized_loop_end): Build OMP_FOR
	for the outer dimension if ompws_flags allow it.
	* trans.c (gfc_generate_code): Clear ompws_flags.
	* trans-expr.c (gfc_trans_assignment_1): Allow worksharing
	array assignments inside of !$omp workshare.
	* trans-stmt.c (gfc_trans_where_3): Similarly for where statements
	and constructs.
	* trans-openmp.c (ompws_flags): New variable.
	(gfc_trans_omp_workshare): Rewritten.

	* testsuite/libgomp.fortran/workshare2.f90: New test.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r146397

2009-04-20  Thomas Quinot  <quinot@adacore.com>

	* socket.c, g-socthi-vms.adb, g-socthi-vms.ads, g-socthi-vxworks.ads,
	s-oscons-tmplt.c, gsocket.h, g-socthi-mingw.ads, g-socthi.ads,
	g-sothco.ads (__gnat_inet_pton): Needs to be enabled for HP-UX as well,
	since HP-UX supports neither inet_aton nor inet_pton (altough the
	latter is part of the Single UNIX Specification!).
	So reorganize code, and share C implementation based on inet_addr(3)
	with VMS (instead of having a VMS specific Ada implementation in
	g-socthi-vms.adb).

From-SVN: r146396

2009-04-20  Gary Dismukes  <dismukes@adacore.com>

	* osint-c.ads, osint-c.adb (Get_Object_Output_File_Name): New function
	to return the object file name saved by Set_Object_Output_File_Name.

2009-04-20  Emmanuel Briot  <briot@adacore.com>

	* g-comlin.adb (Initialize_Option_Scan): Fix initialization of parsers
	for the standard command line, when argc has been modified since the
	start of the application.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

	* socket.c (__gnat_inet_pton, Windows case): Adjust return value.
	WSAStringToAddress returns 0 for success and SOCKET_ERROR for failure.

From-SVN: r146395

From-SVN: r146394

2009-04-20  Bob Duff  <duff@adacore.com>

	* gnat1drv.adb (Gnat1drv): Put call to Check_Library_Items inside
	pragma Debug.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch9.adb (Build_Protected_Sub_Specification): Mark generated
	subprogram as Eliminated when source operation is.
	(Expand_N_Protected_Type_Declaration): Generate protected and
	unprotected specs for the internal operations, even if the source
	operation is eliminated.

2009-04-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch3.adb (Make_Predefined_Primitive_Specs,
	Predefined_Primitive_Bodies): Do not create the declarations and bodies
	of the primitive subprograms associated with dispatching select
	statements when the runtime is in configurable mode.

2009-04-20  Ed Falis  <falis@adacore.com>

	* s-vxwext-kernel.ads (tickGet): Use tick64Get.

From-SVN: r146393

2009-04-20  Thomas Quinot  <quinot@adacore.com>

	* s-oscons-tmplt.c: Add support for generating a dummy version of
	s-oscons.ads providing all possible constants.

	* g-socthi-mingw.ads: Fix calling convention for __gnat_inet_pton.

	* socket.c (__gnat_inet_pton): On Windows make sure we always use the
	ANSI version (not the UNICODE version) of WSAStringToAddress.

2009-04-20  Pascal Obry  <obry@adacore.com>

	* adaint.c (__gnat_set_OWNER_ACL): properly free memory
	allocated for the security descriptor and make sure all
	handles are closed before leaving this procedure.

From-SVN: r146392

2009-04-20  Javier Miranda  <miranda@adacore.com>

	* einfo.ads, einfo.adb (Is_Underlying_Record_View): New subprogram
	(Set_Is_Underlying_Record_View): New subprogram

	* sem_aggr.adb (Discr_Present, Resolve_Record_Aggregate): In case of
	private types with unknown discriminants use the underlying record view
	if available.

	* sem_ch3.adb (Build_Derived_Private_Type): Enable construction of the
	underlying record view in the full view of private types whose parent
	has unknown discriminants.
	(Build_Derived_Record_Type): Avoid generating the class-wide entity
	associated with an underlying record view.
	(Derived_Type_Declaration): Avoid deriving parent primitives in
	underlying record views.

	* sem_ch6.adb (Check_Return_Subtype_Indication): Add support for
	records with unknown discriminants.

	* sem_type.adb (Covers): Handle underlying record views.
	(Is_Ancestor): Add support for underlying record views.

	* exp_attr.adb (Expand_Attribute): Expand attribute 'size into a
	dispatching call if the type of the target object is tagged and has
	unknown discriminants.

	* exp_aggr.adb (Resolve_Record_Aggregate): Add support for records with
	unknown discriminants.

	* exp_disp.adb (Build_Dispatch_Tables): Avoid generating dispatch
	tables for internally built underlying record views.

	* sprint.adb (sprint_node_actual): Improve output of aggregates with an
	empty list of component associations.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

	* sem_ch10.adb: Minor reformatting

	* socket.c, g-socthi-vms.adb, g-socthi-vms.ads, g-socthi-vxworks.ads,
	g-socthi-mingw.ads, g-socthi.ads, g-socket.adb
	(GNAT.Sockets.Inet_Addr): Do not use non-portable inet_aton, instead use
	standard inet_pton API (and emulate it on platforms that do not
	support it).
	(GNAT.Sockets.Thin.Inet_Pton, VMS case): Implement in terms of
	DECC$INET_ADDR, imported in Ada.
	(GNAT.Sockets.Thin.Inet_Pton, VxWorks and Windows cases): Use C
	implementation provided by GNAT runtime.
	(__gnat_inet_pton): C implementation of inet_pton(3) for VxWorks and
	Windows.

From-SVN: r146391