2009-07-23  Robert Dewar  <dewar@adacore.com>

	* exp_ch4.adb (Analyze_N_Op_Rem): Assume operands are valid when
	checking ranges for mod/rem to see if conditional jump will be
	generated.
	(Analyze_N_Op_Rem): Don't try to check actual lower bounds for
	generating special -1 test for rem, generate it whenever both
	operands can be negative (match circuit in Sem_Res).
	(Analyze_N_Op_Rem): Don't go to base type, no longer needed and
	destroys memory of positive range.
	* sem_res.adb (Resolve_Arithmetic_Op): Assume operands are valid when
	checking ranges for mod/rem to see if conditional jump will be generated

2009-07-23  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch3.adb (Build_Equivalent_Record_Aggregate): If the type of a
	scalar components has non-static bounds, the equivalent aggregate
	cannot be built, even if the expression is static, because range checks
	will be generated.

From-SVN: r149987

exp_ch4.adb (Expand_N_Type_Conversion): Don't promote integer division operands to 64-bit inside a conversion if...

2009-07-23  Robert Dewar  <dewar@adacore.com>

	* exp_ch4.adb (Expand_N_Type_Conversion): Don't promote integer
	division operands to 64-bit inside a conversion if 64-bit division not
	available.

From-SVN: r149985

2009-07-23  Sergey Rybin  <rybin@adacore.com>

	* gnat_ugn.texi: Update doc on Misnamed_Identifiers rule.

2009-07-23  Javier Miranda  <miranda@adacore.com>

	* sinfo.ads, sinfo.adb (SCIL_Entity/Set_SCIL_Entity): new subprograms
	(Entity/Set_Entity): not available in N_Null_Statement nodes
	(Is_Scil_Node): renamed as Is_SCIL_Node
	(Scil_Nkind): renamed as SCIL_Nkind
	(Scil_Related_Node): renamed as SCIL_Related_Node
	(Scil_Target_Prim): renamed as SCIL_Target_Prim
	(Set_Is_Scil_Node): Renamed as Set_Is_SCIL_Node
	(Set_Scil_Related_Node): Renamed as Set_SCIL_Related_Node
	(Set_Scil_Target_Prim): Renamed as Set_SCIL_Target_Prim
	Update documentation
	* exp_disp.ads (Scil_Node_Kind): Renamed as SCIL_Node_Kind
	(Get_Scil_Node_Kind): Renamed as Get_SCIL_Node_Kind
	(New_Scil_Node): Renamed as New_SCIL_Node
	* exp_disp.adb Update all occurrences of New_Scil_Node to New_SCIL_Node.
	(Get_Scil_Node_Kind): Renamed as Get_SCIL_Node_Kind
	(New_Scil_Node): Renamed as New_SCIL_Node
	* exp_ch3.adb Update occurrence of New_Scil_Node to New_SCIL_Node.

2009-07-23  Robert Dewar  <dewar@adacore.com>

	* sem_prag.adb: No_Return is an Ada 2005 pragma, not a GNAT pragma
	* snames.ads-tmpl: No_Return is an Ada 2005 pragma, not a GNAT pragma
	* einfo.adb: Minor reformatting

From-SVN: r149984

checks.adb (Apply_Arithmetic_Overflow_Check): Add comments cross-referencing the new related code in...

2009-07-23  Robert Dewar  <dewar@adacore.com>

	* checks.adb (Apply_Arithmetic_Overflow_Check): Add comments
	cross-referencing the new related code in
	Exp_Ch4.Expand_N_Type_Conversion.
	* exp_ch4.adb (Expand_N_Type_Conversion): Avoid unnecessary overflows

	* exp_disp.adb, exp_disp.ads, sinfo.ads: Minor reformatting.
	Add comment.

From-SVN: r149983

2009-07-23  Javier Miranda  <miranda@adacore.com>

	* sinfo.ads (Is_Scil_Node, Scil_Nkind, Scil_Related_Node,
	Scil_Target_Prim, N_Has_Entity): Add missing documentation.
	* exp_disp.ads (Scil_Node_Kind): Ditto.
	* exp_disp.adb (Make_DT, Make_Tags): Ditto.
	* exp_ch3.adb (Build_Init_Procedure): Ditto.

From-SVN: r149982

2009-07-23  Javier Miranda  <miranda@adacore.com>

	* einfo.adb (Component_Type): Add missing assertion.
	* sem_res.adb (Resolve_Call): Ensure proper kind of entity before
	reading attribute Component_Size.
	* exp_ch4.adb (Is_Safe_In_Place_Array_Op): Ensure proper kind of entity
	before reading attributes Component_Size and Component_Type.
	* exp_ch3.adb (Build_Initialization_Call): Ensure proper kind of entity
	before reading attribute Component_Type.

From-SVN: r149981

From-SVN: r149980

2009-07-23  Olivier Hainque  <hainque@adacore.com>

	* gnat_rm.texi: Document the GNAT.SSE units.

2009-07-23  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Analyze_Return_Type): Do not create itype reference for
	not null return if it appears on a subunit.

From-SVN: r149979

exp_ch5.adb (Expand_N_Assignment_Statement): Do left-side validity check right away so it does not get skipped for early...

2009-07-23  Robert Dewar  <dewar@adacore.com>

	* exp_ch5.adb (Expand_N_Assignment_Statement): Do left-side validity
	check right away so it does not get skipped for early returns, e.g.
	array assignments.
	(Expand_N_Assignment_Statement): Don't propagate Is_Known_Valid to
	left-side unless we really know the value is valid.

	* errout.adb, exp_ch3.adb, exp_disp.ads, sinfo.ads, exp_disp.adb: Minor
	reformatting. Minor code reorganization. Add comments.

From-SVN: r149978

2009-07-23  Robert Dewar  <dewar@adacore.com>

	* get_scos.adb (Skip_EOL): Fix error of mishandling end of line after
	complex condition.

From-SVN: r149975

2009-07-23  Gary Dismukes  <dismukes@adacore.com>

	* sem_ch6.adb (Check_Return_Subtype_Indication): Replace type equality
	with test of coverage, to allow specific type objects in extended
	returns of class-wide functions. Remove now-unnecessary special-case
	tests that allowed this in certain cases of expanded extended returns.

2009-07-23  Javier Miranda  <miranda@adacore.com>

	* sinfo.ads,sinfo.adb (Entity/Set_Entity): Attribute available in
	N_Null_Statements (for SCIL nodes).
	(Is_Scil_Node/Set_Is_Scil_Node): New attribute (for SCIL nodes).
	(Scil_Nkind/Set_Scil_Nkind): New attribute (for SCIL nodes).
	(Scil_Related_Node/Set_Scil_Related_Node): New attribute (for SCIL
	nodes).
	(Scil_Target_Prim/Set_Scil_Target_Prim): New attribute (for SCIL nodes).
	* exp_disp.adb (Expand_Dispatching_Call): Add generation of SCIL node
	associated with dispatching call.
	(Get_Scil_Node_Kind): New function that returns the kind of SCIL node.
	(Make_DT, Make_Tags): Add generation of SCIL nodes associated with
	initialization of dispatch tables and initialization of tags.
	(New_Scil_Node): New function that creates a new SCIL node.
	(Build_Init_Procedure): Add generation of SCIL node associated with the
	initialization of tags done in the IP subprogram.

2009-07-23  Ed Schonberg  <schonberg@adacore.com>

	* errout.adb (Error_Msg_NEL): If the entity in the initial message has
	Warnings_Off, do not emit continuation messages.

	* sem_ch10.adb: Set Is_Compilation_Unit on generated child subprogram
	spec.

2009-07-23  Emmanuel Briot  <briot@adacore.com>

	* ali.adb: Minor comment update

2009-07-23  Vasiliy Fofanov  <fofanov@adacore.com>

	* s-win32.ads (HANDLE): Define to be the same size as address type.
	Fix copyright.

2009-07-23  Olivier Hainque  <hainque@adacore.com>

	* g-sse.ads: New file. Root of the SSE facilities trees, with
	general description and common declarations.
	* g-ssvety.ads: New file. Expose user level SSE vector types.
	* impunit.adb (Non_Imp_File_Names_95): Register new units.
	* gcc-interface/Makefile.in (x86 32/64 linux, win32): Add
	EXTRA_GNATRTL_NONTASKING_OBJS entries for SSE units.

2009-07-23  Ben Brosgol  <brosgol@adacore.com>

	* gnat_ugn.texi: Wordsmithing.

From-SVN: r149974

From-SVN: r149973

re PR libfortran/32784 ([win32] Using 'CONOUT$', 'CONIN$', or 'CONERR$' as assigned file generates Fortran runtime error: Bad file descriptor)

2009-07-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/32784
	* unix.c (regular_file): Check for CONIN$ CONOUT$, and CONERR$ and open
	the respective /dev/conin or /dev/conout devices.  This is Cygwin
	specific.

From-SVN: r149970

From-SVN: r149969

	* mangle.c (mangle_type_string_for_rtti): Rename to be clearer.
	(needs_fake_anon): New.
	(write_name): Check it.
	(write_nested_name): Add a fake anonymous namespace scope if true.
	* name-lookup.c (get_anonymous_namespace_name): No longer static.
	* rtti.c, cp-tree.h: Adjust.

	* libsupc++/typeinfo (__GXX_MERGED_TYPEINFO_NAMES): Default to 0.

From-SVN: r149964

2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/37488
	* ira-lives.c (bb_has_abnormal_call_pred): New function.
	(process_bb_node_lives): Use it.

	* ira.c (setup_cover_and_important_classes): Don't setup
	ira_important_class_nums.  Add cover classes to the end of
	important classes.
	(cover_class_order, comp_reg_classes_func,
	reorder_important_classes): New.
	(find_reg_class_closure): Use reorder_important_classes.

	* config/i386/i386.h (IRA_COVER_CLASSES): Remove.

	* config/i386/i386.c (i386_ira_cover_classes): New function.
	(TARGET_IRA_COVER_CLASSES): Redefine.

	* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
	importance of order of cover classes in the array.

From-SVN: r149962

	* tree-pass.h (TDF_EH): Define.
	* gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
	contains TDF_EH, print the EH region number holding GS.
	* tree-dump.c (dump_options): Add "eh".
	* doc/invoke.texi: Document it.

From-SVN: r149958

2009-07-22  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40796
	* trans-decl.c (generate_local_decl): Unreferenced result
	variables with allocatable components should be treated like
	INTENT_OUT dummy variables.

2009-07-21  Richard Guenther  <rguenther@suse.de>

	PR fortran/40726
	Change attribution to Richi.

From-SVN: r149952

ChangeLog:

	* config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.

testsuite/ChangeLog:

	* gcc.c-torture/compile/20090721-1.c: New test.

From-SVN: r149951

2009-07-22  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_aggr.adb (Gen_Loop): Do not qualify the bounds of the range if
	they are already of the base type of the index.

2009-07-22  Brett Porter  <porter@adacore.com>

	* sysdep.c, init.c: Fix typo: _SPE_ should have been __SPE__.

2009-07-22  Robert Dewar  <dewar@adacore.com>

	* vms_data.ads: Add entry for SCO_OUTPUT (-gnateS)
	* gnat_ugn.texi: Add documentation for -gnateS switch
	* ug_words: Add entry for -gnateS /SCO_OUTPUT
	* gcc-interface/Make-lang.in: Update dependenciest.3

	* get_scos.adb, get_scos.ads, gnat1drv.adb, par_sco.adb,
	par_sco.ads, put_scos.adb, put_scos.ads, scos.adb, scos.ads: Initial
	complete information for SCO input/output.

From-SVN: r149945

2009-07-22  Sergey Rybin  <rybin@adacore.com>

	* gnat_ugn.texi: Update doc for some gnatcheck rules.

2009-07-22  Robert Dewar  <dewar@adacore.com>

	* par_sco.adb, par_sco.ads (pscos): New debug routine to output
	contents of SCO tables.
	* put_scos.adb, put_scos.ads, get_scos.adb, get_scos.ads,
	scos.adb, scos.ads: New files.
	* gcc-interface/Make-lang.in: Update dependencies.

	* lib-util.ads, gnatbind.ads, ali.ads, binderr.ads: Minor comment
	fixes and reformatting.

From-SVN: r149943

re PR tree-optimization/35229 (Vectorizer doesn't  support dependence created by predictive commoning or PRE)

        PR tree-optimization/35229
        PR tree-optimization/39300

        * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
        (inhibit_phi_insertion): New function.
        (insert_into_preds_of_block): Call it for REFERENCEs.
        (init_pre): Initialize and finalize scalar evolutions.
        * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .

testsuite/
        * gcc.dg/vect/vect-pre-interact.c: New test.

From-SVN: r149942

2009-07-22  Robert Dewar  <dewar@adacore.com>

	* g-socket.ads: Minor reformatting

2009-07-22  Gary Dismukes  <dismukes@adacore.com>

	* sem_warn.adb (Warn_On_Unreferenced_Entity): Add warning messages that
	include the entity kind for following cases of unreferenced entities:
	E_Label, E_Discriminant, E_Package, E_Exception, and Formal_Object_Kind.

From-SVN: r149940

2009-07-22  Ed Falis  <falis@adacore.com>

	* s-vxwext-kernel.adb, s-vxwext-kernel.ads: Replace use of taskStop
	with taskSuspend.

2009-07-22  Arnaud Charlet  <charlet@adacore.com>

	* adadecode.c: Make this file compilable outside of GCC.

2009-07-22  Thomas Quinot  <quinot@adacore.com>

	* g-socket.adb, g-socket.ads (Check_Selector): Make sure that
	(partially) default-initialized socket sets are handled properly by
	clearing their Set component.

2009-07-22  Bob Duff  <duff@adacore.com>

	* gnat_ugn.texi: Clarify the -gnatVx (validity checking) switches.

From-SVN: r149939

2009-07-22  Robert Dewar  <dewar@adacore.com>

	* gnat_ugn.texi: Minor reformatting

2009-07-22  Ed Schonberg  <schonberg@adacore.com>

	* errout.adb (Error_Msg): A style message within an instantiation
	should not be labelled as an error.

From-SVN: r149938

2009-07-22  Richard Guenther  <rguenther@suse.de>

        * g++.dg/lookup/using21.C: Fix duplicate paste.

From-SVN: r149937

2009-07-22  Ed Schonberg  <schonberg@adacore.com>

	* freeze.adb (Freeze_Entity): Do not generate extra formal for function
	in initialization expression if function does not have convention Ada.

2009-07-22  Sergey Rybin  <rybin@adacore.com>

	* gnat_ugn.texi, vms_data.ads: Add qualifier for new gnatpp option
	'--separate-label' to control label layout.

From-SVN: r149936

2009-07-22  Robert Dewar  <dewar@adacore.com>

	* exp_tss.ads, sem_eval.adb: Minor reformatting

2009-07-22  Bob Duff  <duff@adacore.com>

	* exp_dist.adb, exp_dist.ads: Update comments.

From-SVN: r149933

2009-07-22  Brett Porter  <porter@adacore.com>

	* init.c (__gnat_init_float): For SPE, set bits in SPEFSCR instead of
	FPSCR.
	* sysdep.c (__gnat_get_task_options): Set task option enabling SPE.

2009-07-22  Gary Dismukes  <dismukes@adacore.com>

	* exp_ch5.adb, sem_util.adb, sem_attr.adb, exp_dbug.ads, exp_ch2.adb,
	exp_tss.ads, exp_ch4.adb, sem_ch4.adb: Correct spelling error.
	Minor reformatting.
	* sem_res.adb (Resolve_Explicit_Dereference): Reword one comment that
	used poor terminology.

2009-07-22  Robert Dewar  <dewar@adacore.com>

	* freeze.adb, sem_ch3.adb, sem_prag.adb: Minor reformatting
	* sem_eval.adb, exp_tss.adb: Minor comment update.
	* stylesw.adb: Code clean up.

From-SVN: r149932

2009-07-22  Ed Schonberg  <schonberg@adacore.com>

	* freeze.adb (Freeze_Entity): If Implicit_Packing is enabled, and the
	component size is an exact number of bytes, an array type can have a
	size clause that forces packing even though the array type itself is
	not bit-packed.

2009-07-22  Thomas Quinot  <quinot@adacore.com>

	* sem_ch3.adb (Analyze_Object_Declaration): For a constant declaration,
	if there is a previous entity with the same name in the scope, ignore
	it if it is the renaming declaration for a generic package introduced
	in instances.

2009-07-22  Nicolas Roche  <roche@adacore.com>

	* seh_init.c: use RtlAddFunctionTable to register our SEH exception
	handler on x86_64 windows.

2009-07-22  Arnaud Charlet  <charlet@adacore.com>

	* sem_prag.adb (Analyze_Pragma): Initialize/Normalize_Scalars create
	false positives in CodePeer, so ignore this pragma in this mode.

From-SVN: r149931

predicates.md (zero_extended_scalar_load_operand): Use CONST_VECTOR_NUNITS to determine number of elements.

	* config/i386/predicates.md (zero_extended_scalar_load_operand):
	Use CONST_VECTOR_NUNITS to determine number of elements.

From-SVN: r149930

valarray (valarray<>::operator=(const valarray<>&), [...]): Implement resolution of DR 630, [Ready] in Frankfurt.

2009-07-22  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/valarray (valarray<>::operator=(const valarray<>&),
	valarray<>::operator=(initializer_list<>)): Implement resolution
	of DR 630, [Ready] in Frankfurt.
	* testsuite/26_numerics/valarray/dr630-1.cc: New.
	* testsuite/26_numerics/valarray/dr630-2.cc: Likewise.
	* doc/xml/manual/intro.xml: Add an entry for DR 630.

From-SVN: r149929

2009-07-22  Thomas Quinot  <quinot@adacore.com>

	* sem_util.adb, sem_ch10.adb: Minor reformatting

	* g-socket.adb (Receive_Socket, recvfrom(2) variant): Apply required
	special handling for the case of no data received and Item'First =
	Stream_Element_Offset'First.
	(Last_Index): New subprogram factoring the above special handling
	over the various locations where it is required.

2009-07-22  Arnaud Charlet  <charlet@adacore.com>

	* gnat1drv.adb (Gnat1drv): Also disable division by zero and alignment
	checks in CodePeer_Mode.
	* gcc-interface/Make-lang.in: Update dependencies.

2009-07-22  Ed Schonberg  <schonberg@adacore.com>

	* sem_aggr.adb: Improve error message.

	* sem_ch13.adb: If Ignore_Rep_Clauses is enabled, do a minimal analysis
	of an address representation clause.
	* freeze.adb (Freeze_Static_Object): An local imported object is legal
	if it has an address clause.

From-SVN: r149926

2009-07-22  Thomas Quinot  <quinot@adacore.com>

	* sem_elab.adb (Insert_Elab_Check): When relocating an overloaded
	expression to insert an elab check using a conditional expression, be
	sure to carry the original list of interpretations to the new location.

2009-07-22  Gary Dismukes  <dismukes@adacore.com>

	* gnat1drv.adb: Fix spelling error.

2009-07-22  Javier Miranda  <miranda@adacore.com>

	* sem_type.ads, sem_type.adb (In_Generic_Actual): Leave this subprogram
	at the library level and fix a hidden bug in its implementation: its
	functionality for renaming objects was broken because
	N_Object_Renaming_Declarations nodes are not a subclass of
	N_Declaration nodes (as documented in sinfo.ads).
	* sem_util.adb (Check_Dynamically_Tagged_Expression): Include in this
	check nodes that are actuals of generic instantiations.

2009-07-22  Ed Schonberg  <schonberg@adacore.com>

	* sinfo.ads, sinfo.adb (Pending_Context): New flag to indicate that the
	context of a compilation unit is being analyzed. Used to detect
	circularities created by with_clauses that are not detected by the
	loading machinery.
	* sem_ch10.adb (Analyze_Compilation_Unit): Set Pending_Context before
	analyzing the context of the current compilation unit, to detect
	possible circularities created by with_clauses.

From-SVN: r149925

2009-07-22  Thomas Quinot  <quinot@adacore.com>

	* sem_type.adb (Get_First_Interp): Fix wrong loop exit condition.

From-SVN: r149924

2009-07-22  Robert Dewar  <dewar@adacore.com>

	* sem_res.adb (Check_No_Direct_Boolean_Operators): Add check for -gnatyB
	* style.ads, styleg.adb, styleg.ads (Check_Boolean_Operator): New
	procedure.
	* usage.adb, stylesw.ads, stylesw.adb: Add handling of -gnatyB switch
	* gnat_ugn.texi: Add documentation of -gnatyB
	* vms_data.ads: Add entry for -gnatyB (STYLE=BOOLEAN_OPERATORS)

From-SVN: r149923

2009-07-22  Robert Dewar  <dewar@adacore.com>

	* s-stchop.adb, a-direct.adb, a-ztexio.adb, gnatchop.adb, prj-proc.adb,
	make.adb, s-regpat.adb, ali-util.adb, a-ngcefu.adb, prep.adb,
	s-tassta.adb, a-tifiio.adb, a-textio.adb, prj.adb, uintp.adb,
	s-valrea.adb, a-ngelfu.adb, prepcomp.adb, sinput-l.adb, vms_conv.adb,
	errout.adb, g-alleve.adb, repinfo.adb, a-wtedit.adb, ali.adb,
	a-witeio.adb, prj-dect.adb, prj-nmsc.adb, sinput-c.adb, binde.adb,
	s-regexp.adb, s-imgrea.adb, a-teioed.adb, errutil.adb, prj-util.adb,
	a-ztedit.adb, gnatls.adb, prj-conf.adb, bcheck.adb, s-scaval.adb,
	erroutc.adb, osint.adb, a-strfix.adb, s-fileio.adb: Make sure sources
	obey short-circuit style rule.

From-SVN: r149921

2009-07-22  Richard Guenther  <rguenther@suse.de>

	PR c++/40799
	* cp-gimplify.c (cp_gimplify_expr): Move handling of using
	related exprs to ...
	(cp_genericize_r): ... genericization stage.
	(cp_genericize): Adjust.

	* g++.dg/lookup/using21.C: New testcase.

From-SVN: r149919

	* trans.h (gfc_set_decl_assembler_name): New prototype.
	* trans-decl.c (gfc_set_decl_assembler_name): New function.
	(gfc_get_symbol_decl, gfc_get_extern_function_decl,
	build_function_decl): Use gfc_set_decl_assembler_name instead of
	SET_DECL_ASSEMBLER_NAME.
	* trans-common.c (build_common_decl): Use
	gfc_set_decl_assembler_name instead of SET_DECL_ASSEMBLER_NAME.

From-SVN: r149918

2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
	(U, W): Constraints are now deprecated and will be removed if we
	run out of letters.	
	* config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
	the file.
	("prefetch"): Add the stcmh instruction for prefetching.
	* config/s390/s390.c (s390_symref_operand_p): Function moved. No
	changes.
	(s390_short_displacement): Return always true if compiling for
	machines not providing the long displacement facility.
	(s390_mem_constraint): Support the new constraint letter Z.
	(s390_check_qrst_address): New function.

From-SVN: r149917