2008-04-08  Javier Miranda  <miranda@adacore.com>
	    Robert Dewar  <dewar@adacore.com>
	    Ed Schonberg  <schonberg@adacore.com>

	* a-tags.adb (Register_Interface_Offset): New subprogram.
	(Set_Dynamic_Offset_To_Top): New subprogram (see previous comment).
	(To_Predef_Prims_Table_Ptr): Removed.
	(Acc_Size): Removed.
	(To_Acc_Size): Removed.
	(Parent_Size): Modified to the call the subprogram returning the size of
	the parent by means of the new TSD component Size_Func.

	* a-tags.ads (Offset_To_Top_Ptr): New access type declaration.
	(DT_Offset_To_Top_Offset): New constant value that is used to generate
	code referencing the Offset_To_Top component of the dispatch table's
	prologue.
	(Prim_Ptr): New declaration of access to procedure. Used to avoid the
	use of 'address to initialize dispatch table slots.
	(Size_Func): New component of the TSD. Used by the run-time to call the
	size primitive of the tagged type.

	* checks.adb (Apply_Access_Check): Avoid check when accessing the
	Offset_To_Top component of a dispatch table.
	(Null_Exclusion_Static_Checks): If the non-null access type appears in a
	deferred constant declaration. do not add a null expression, to prevent
	spurious errors when full declaration is analyzed.
	(Apply_Discriminant_Check): If both discriminant constraints share a
	node which is not static but has no side effects, do not generate a
	check for that discriminant.
	(Generate_Index_Checks): Set Name_Req to true in call to duplicate
	subexpr, since the prefix of an attribute is a name.

	* checks.ads: Fix nit in comment.

	* exp_ch3.ads, exp_ch3.adb (Freeze_Record_Type): Do not add the spec
	and body of predefined primitives in case of CPP tagged type
	derivations.
	(Freeze_Type): Deal properly with no storage pool case
	(Make_Predefined_Primitive_Specs): Generate specification of abstract
	primitive Deep_Adjust if a nonlimited interface is derived from a
	limited interface.
	(Build_Dcheck_Functions): Create discriminant-checking functions only
	for variants that have some component(s).
	(Build_Slice_Assignment): In expanded code for slice assignment, handle
	properly the case where the slice bounds extend to the last value of the
	underlying representation.
	(Get_Simple_Init_Val): New calling sequence, accomodate Invalid_Value
	(Is_Variable_Size_Record): An array component has a static size if
	index bounds are enumeration literals.

	* exp_disp.adb (Make_DT): Use the first subtype to determine whether
	an external tag has been specified for the type.
	(Building_Static_DT): Add missing support for private types.
	(Make_DT): Add declaration of Parent_Typ to ensure consistent access
	to the entity associated with the parent of Typ. This is done to
	avoid wrong access when the parent is a private type.
	(Expand_Interface_Conversion): Improve error message when the
	configurable runtime has no support for dynamic interface conversion.
	(Expand_Interface_Thunk): Add missing support to interface types in
	configurable runtime.
	(Expand_Dispatching_Call): remove obsolete code.
	(Make_DT): Replace occurrences of RE_Address by RE_Prim_Ptr, and
	ensure that all subtypes and aggregates associated with dispatch
	tables have the attribute Is_Dispatch_Table_Entity set to true.
	(Register_Primitive): Rename one variable to improve code reading.
	Replace occurrences of RE_Addres by RE_Prim_Ptr. Register copy o
	of the pointer to the 'size primitive in the TSD.

	* rtsfind.ads (RE_DT_Offset_To_Top_Offset): New entity.
	(RE_Offset_To_Top_Ptr): New entity.
	(RE_Register_Interface_Offset): New entity.
	(RE_Set_Dynamic_Offset_To_Top): New entity.
	(RE_Set_Offset_To_Top): Removed entity.
	(RE_Prim_Ptr): New entity
	(RE_Size_Func): New entity
	(RE_Size_Ptr): New entity
	(RTU_Id): Add Ada_Dispatching and Ada_Dispatching_EDF.
	(Ada_Dispatching_Child): Define this new subrange.
	(RE_Id): Add new required run-time calls (RE_Set_Deadline, RE_Clock,
	 RE_Time_Span, and RE_Time_Span_Zero).
	(RE_Unit_Table): Add new required run-time calls

	* rtsfind.adb (Get_Unit_Name): Add processing for Ada.Dispatching
	children.

	* exp_atag.ads, exp_atag.adb (Build_Offset_To_Top): New subprogram.
	(Build_Set_Static_Offset_To_Top): New subprogram. Generates code that
	 initializes the Offset_To_Top component of a dispatch table.
	(Build_Predef_Prims): Removed.
	(Build_Get_Predefined_Prim_Op_Address): Replace call to Predef_Prims by
	 its actual code.
	(Build_Set_Size_Function): New subprogram.

	* exp_ch13.adb: Do not generate storage variable for storage_size zero
	(Expand): Handle setting/restoring flag Inside_Freezing_Actions

From-SVN: r134020

2008-04-08  Robert Dewar  <dewar@adacore.com>

	* a-strbou.ads, a-strbou.adb (From_String): New procedure (for use by
	Stream_Convert)

	* sem_ch13.ads (Rep_Item_Too_Late): Document that Stream_Convert sets
	FOnly

From-SVN: r134019

	* a-except-2005.ads, a-except-2005.adb, a-except.ads, a-except.adb
	(Raise_Exception): In accordance with AI-446, raise CE for Null_Id
	(Raise_Exception_Always): Fix documentation accordingly

From-SVN: r134018

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>

	* adaint.h, adaint.c (__gnat_current_time_string): New routine.

	* g-timsta.adb, g-timsta.ads: New files.

From-SVN: r134017

	* s-intman-vxworks.ads, s-intman-vxworks.adb
	(Map_And_Raise_Exception): Remove. Was an import of only part of the
	required services already implemented elsewhere.
	(Notify_Exception): Delete body, import __gnat_error_handler instead.
	(Initialize): Add SA_SIGINFO to the sa_flags, to get the sigcontext
	argument passed to the handler, which we need for ZCX propagation
	purposes.

From-SVN: r134016

	    Tristan Gingold  <gingold@adacore.com>

	* s-interr-dummy.adb, s-interr-vms.adb, s-interr-sigaction.adb
	(Install_Restricted_Handlers): New procedure
	which is a simplified version of Install_Handlers that does not store
	previously installed.

	* s-interr-vxworks.adb: Fix ACATS cxc3001
	On VxWorks interrupts can't be detached.
	(Install_Restricted_Handlers): New procedure.

	* s-interr.ads, s-interr.adb (Install_Restricted_Handlers): New
	procedure.

From-SVN: r134015

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>

	* a-calend-vms.ads, a-calend-vms.adb: Add with and use clause for
	System.OS_Primitives.
	Change type of various constants, parameters and local variables from
	Time to representation type OS_Time.
	(To_Ada_Time, To_Unix_Time): Correct sign of origin shift.
	Remove the declaration of constant Mili_F from several routines. New
	body for internal package Conversions_Operations.
	(Time_Of): Add default parameters for several formals.

	* a-caldel.adb: Minor reformatting

	* a-calend.ads, a-calend.adb: New body for internal package
	Conversions_Operations.
	(Time_Of): Add default parameters for several formals.

	* Makefile.rtl: Add a-ststop
	Add Ada.Calendar.Conversions to the list of runtime files.
	Add g-timsta

	* a-calcon.adb, a-calcon.ads: New files.

From-SVN: r134014

2008-04-08  Tristan Gingold  <gingold@adacore.com>

PR ada/10768

	* cuintp.c: Fix 16 bits issue for AVR.
	On AVR, integer is 16 bits, so it can't be used to do math with
	Base (=32768).
	So use long_integer instead.

From-SVN: r134013

2008-04-08  Tristan Gingold  <gingold@adacore.com>

	* s-fileio.adb: Name_Error shouldn't be raised for a tempory file.

From-SVN: r134012

2008-04-08  Robert Dewar  <dewar@adacore.com>
	    Gary Dismukes  <dismukes@adacore.com>
	    Javier Miranda  <miranda@adacore.com>
	    Ed Schonberg  <schonberg@adacore.com>

	* fe.h: Remove global Optimize_Alignment flag, no longer used

	* layout.adb: Test Optimize_Alignment flags rather than global switch

	* lib.ads, lib.adb: New OA_Setting field in library record

	* lib-load.adb: New OA_Setting field in library record

	* lib-writ.ads, lib-writ.adb (Collect_Withs, Write_With_Lines): Place
	units mentioned in limited_with_ clauses in the ali file, with an
	'Y' marker.
	New Ox fields in U line

	* opt.adb: New flag Optimize_Alignment_Local
	(Check_Policy_List[_Config]): New flags

	* opt.ads (Invalid_Value_Used): New flag
	New switch Optimize_Alignment_Local
	(Warn_On_Parameter_Order): New flag
	(Check_Policy_List[_Config]): New flags

	* ali.ads, ali.adb: Add indicator 'Y' to mark mark the presence of
	limited_with clauses.
	New data structures for Optimize_Alignment

	* bcheck.adb (Check_Consistent_Restriction_No_Default_Initialization):
	New procedure
	(Check_Consistent_Optimize_Alignment): Rework for new structure
	(Check_Consistent_Restrictions): Fix incorrect error message

	sem_ch10.adb (Decorate_Tagged_Type): Set the Parent field of a newly
	created class-wide type (to the Parent field of the specific type).
	(Install_Siblings): Handle properly private_with_clauses on subprogram
	bodies and on generic units.
	(Analyze_With_Clause, Install_Limited_Withed_Unit): Guard against an
	illegal limited_with_clause that names a non-existent package.
	(Check_Body_Required): Determine whether a unit named a limited_with
	clause needs a body.
	(Analyze_Context): A limited_with_clause is illegal on a unit_renaming.
	Capture Optimize_Alignment settings to set new OA_Setting field in
	library record.
	(Build_Limited_Views): Include task and protected type declarations.

	* sem_ch3.ads, sem_ch3.adb (Analyze_Object_Declaration): Handle the
	case of a possible constant redeclaration where the current object is
	an entry index constant.
	(Analyze_Object_Declaration): Generate an error in case of CPP
	class-wide object initialization.
	(Analyze_Object_Declaration): Add extra information on warnings for
	declaration of unconstrained objects.
	(Access_Type_Declaration): Set Associated_Final_Chain to Empty, to avoid
	conflicts with the setting of Stored_Constraint in the case where the
	access type entity has already been created as an E_Incomplete_Type due
	to a limited with clause.
	Use new Is_Standard_Character_Type predicate
	(Analyze_Object_Declaration): Apply access_constant check only after
	expression has been resolved, given that it may be overloaded with
	several access types.
	(Constant_Redeclaration): Additional legality checks for deferred
	constant declarations tha involve anonymous access types and/or null
	exclusion indicators.
	(Analyze_Type_Declaration): Set Optimize_Alignment flags
	(Analyze_Subtype_Declaration): Ditto
	(Analyze_Object_Declaration): Ditto
	(Analyze_Object_Declaration): Don't count tasks in generics
	Change name In_Default_Expression      => In_Spec_Expression
	Change name Analyze_Per_Use_Expression => Preanalyze_Spec_Expression
	Change name Pre_Analyze_And_Resolve    => Preanalyze_And_Resolve
	(Process_Discriminants): Additional check for illegal use of default
	expressions in access discriminant specifications in a type that is not
	explicitly limited.
	(Check_Abstract_Overriding): If an inherited function dispaches on an
	access result, it must be overridden, even if the type is a null
	extension.
	(Derive_Subprogram): The formals of the derived subprogram have the
	names and defaults of the parent subprogram, even if the type is
	obtained from the actual subprogram.
	(Derive_Subprogram): In the presence of interfaces, a formal of an
	inherited operation has the derived type not only if it descends from
	the type of the formal of the parent operation, but also if it
	implements it. This is relevant for the renamings created for the
	primitive operations of the actual for a formal derived type.
	(Is_Progenitor): New predicate, to determine whether the type of a
	formal in the parent operation must be replaced by the derived type.

	* sem_util.ads, sem_util.adb (Has_Overriding_Initialize): Make
	predicate recursive to handle components that have a user-defined
	Initialize procedure. Handle controlled derived types whose ancestor
	has a user-defined Initialize procedured.
	(Note_Possible_Modification): Add Sure parameter, generate warning if
	sure modification of constant
	Use new Is_Standard_Character_Type predicate
	(Find_Parameter_Type): when determining whether a protected operation
	implements an interface operation, retrieve the type of the formal from
	the entity when the formal is an access parameter or an
	anonymous-access-to-subprogram.
	Move Copy_Parameter_List to sem_util, for use when building stubbed
	subprogram bodies.
	(Has_Access_Values): Tagged types now return False
	(Within_HSS_Or_If): New procedure
	(Set_Optimize_Alignment_Flags): New procedure
	Change name In_Default_Expression      => In_Spec_Expression
	Change name Analyze_Per_Use_Expression => Preanalyze_Spec_Expression
	Change name Pre_Analyze_And_Resolve    => Preanalyze_And_Resolve

From-SVN: r134011

2008-04-08  Robert Dewar  <dewar@adacore.com>
	    Bob Duff  <duff@adacore.com>
	    Gary Dismukes  <dismukes@adacore.com>
	    Ed Schonberg  <schonberg@adacore.com>

	* alloc.ads: Add entries for Obsolescent_Warnings table

	* einfo.ads, einfo.adb: Minor reformatting.
	(Is_Discriminal): New subprogram.
	(Is_Prival): New subprogram.
	(Is_Protected_Component): New subprogram.
	(Is_Protected_Private): Removed.
	(Object_Ref, Set_Object_Ref): Removed.
	(Prival, Set_Prival): Change assertion.
	(Privals_Chain, Set_Privals_Chain): Removed.
	(Prival_Link, Set_Prival_Link): New subprogram.
	(Protected_Operation, Set_Protected_Operation): Removed.
	(Protection_Object, Set_Protection_Object): New subprogram.
	(Write_Field17_Name): Remove case for Object_Ref.
	(Write_Field20_Name): Add case for Prival_Link.
	(Write_Field22_Name): Remove case for Protected_Operation,
	Privals_Chain.
	Add case for Protection_Object.
	(Can_Use_Internal_Rep): Make this into a [base type only] attribute,
	so clients
	(Overlays_Constant): New flag
	(Is_Constant_Object): New predicate
	(Is_Standard_Character_Type): New predicate
	(Optimize_Alignment_Space): New flag
	(Optimize_Alignment_Time): New flag
	(Has_Postconditions): New flag
	(Obsolescent_Warrning): Field removed
	(Spec_PPC_List): New field
	(Relative_Deadline_Variable, Set_Relative_Deadline_Variable): Add
	subprograms to get and set the relative deadline associated to a task.

	* exp_attr.adb (May_Be_External_Call): Account for the case where the
	Access attribute is part of a named parameter association.
	(Expand_Access_To_Protected_Op): Test for the attribute occurring
	within an init proc and use that directly as the scope rather than
	traversing up to the protected operation's enclosing scope. Only apply
	assertion on Is_Open_Scopes in the case the scope traversal is done.
	For the init proc case use the address of the first formal (_init) as
	the protected object reference.
	Implement Invalid_Value attribute
	(Expand_N_Attribute_Reference): Case Attribute_Unrestricted_Access.
	contents of the dispatch table there is no need to duplicate the
	itypes associated with record types (i.e. the implicit full view
	of private types).
	Implement Enum_Val attribute
	(Expand_N_Attribute_Reference, case Old): Properly handle appearence
	within _Postconditions procedure
	(Expand_N_Attribute_Reference, case Result): Implement new attribute

	* exp_ch5.adb (Expand_N_Simple_Return_Statement): Handle case in which
	a return statement calls a function that is not available in
	configurable runtime.
	(Analyze_If_Statement): don't optimize simple True/False cases in -O0
	(Expand_Non_Function_Return): Generate call to _Postconditions proc
	(Expand_Simple_Function_Return): Ditto

	* frontend.adb: Add call to Sem_Aux.Initialize

	* sem_aux.ads, sem_aux.adb: New file.

	* par-prag.adb: Add entries for pragmas Precondition/Postcondition
	Add new Pragma_Relative_Deadline.
	Add support for pragmas Check and Check_Policy

	* sem_attr.ads, sem_attr.adb (Check_Not_CPP_Type): New subprogram.
	(Check_Stream_Attribute): Add missing check (not allowed in CPP types)
	(Analyze_Attribute): In case of attributes 'Alignment and 'size add
	missing check because they are not allowed in CPP tagged types.
	Add Sure parameter to Note_Possible_Modification calls
	Add implementation of Invalid_Value attribute
	Implement new attribute Has_Tagged_Values
	Implement Enum_Val attribute
	(Analyze_Attribute, case Range): Set Name_Req True for prefix of
	generated attributes.
	(Analyze_Attribute, case Result): If prefix of the attribute is
	overloaded, it always resolves to the enclosing function.
	(Analyze_Attribute, case Result): Properly deal with analysis when
	Postconditions are not active.
	(Resolve_Attribute, case Result): Properly deal with appearence during
	preanalysis in spec.
	Add processing for attribute Result

	* sem_ch6.ads, sem_ch6.adb (Check_Overriding_Indicator): Code cleanup
	for operators.
	(Analyze_Subprogram_Body): Install private_with_clauses when the body
	acts as a spec.
	(Check_Inline_Pragma): recognize an inline pragma that appears within
	the subprogram body to which it applies.
	(Analyze_Function_Return): Check that type of the expression of a return
	statement in a function with a class-wide result is not declared at a
	deeper level than the function.
	(Process_PPCs): Deal with enabling/disabling, using PPC_Enabled flag
	(Verify_Overriding_Indicator): Handle properly subprogram bodies for
	user- defined operators.
	(Install_Formals): Moved to spec to allow use from Sem_Prag for
	analysis of precondition/postcondition pragmas.
	(Analyze_Subprogram_Body.Last_Real_Spec_Entity): New name for
	Last_Formal, along with lots of comments on what this is about
	(Analyze_Subprogram_Body): Fix case where we move entities from the
	spec to the body when there are no body entities (now possible with
	precondition and postcondition pragmas).
	(Process_PPCs): New procedure
	(Analyze_Subprogram_Body): Add call to Process_PPCs

	* sem_ch8.adb (Use_One_Type): refine warning on a redundant use_type
	clause.
	(Pop_Scope): Restore Check_Policy_List on scope exit
	(Push_Scope): Save Check_Policy_List on scope entry
	Change name In_Default_Expression      => In_Spec_Expression
	Change name Analyze_Per_Use_Expression => Preanalyze_Spec_Expression
	Change name Pre_Analyze_And_Resolve    => Preanalyze_And_Resolve
	(Analyze_Object_Renaming): Allow 'Reference as object
	(Analyze_Pragma, case Restriction_Warnings): Call GNAT_Pragma
	(Process_Restrictions_Or_Restriction_Warnings): Check for bad spelling
	of restriction identifier.
	Add Sure parameter to Note_Possible_Modication calls

	* sem_prag.ads, sem_prag.adb (Analyze_Pragma, case Stream_Convert):
	Don't check for primitive operations when calling Rep_Item_Too_Late.
	(Process_Import_Or_Interface): Do not place flag on formal
	subprograms.
	(Analyze_Pragma, case Export): If the entity is a deferred constant,
	propagate information to full view, which is the one elaborated by the
	back-end.
	(Make_Inline): the pragma is effective if it applies to an internally
	generated subprogram declaration for a body that carries the pragma.
	(Analyze_Pragma, case Optimize_Alignment): Set new flag
	Optimize_Alignment_Local.
	(Analyze_PPC_In_Decl_Part): New procedure
	(Get_Pragma_Arg): Moved to outer level
	(Check_Precondition_Postcondition): Change to allow new visibility
	rules for package spec
	(Analyze_Pragma, case Check_Policy): Change placement rules to be
	same as pragma Suppress/Unsuppress.
	Change name In_Default_Expression      => In_Spec_Expression
	Change name Analyze_Per_Use_Expression => Preanalyze_Spec_Expression
	Change name Pre_Analyze_And_Resolve    => Preanalyze_And_Resolve
	(Check_Precondition_Postcondition): Do proper visibility preanalysis
	for the case of these pragmas appearing in the spec.
	(Check_Enabled): New function
	(Initialize): New procedure
	(Tree_Read): New procedure
	(Tree_Write): New procedure
	(Check_Precondition_Postcondition): New procedure
	Implement pragmas Check and Check_Policy
	Merge Assert processing with Check

	* sem_warn.adb (Warn_On_Known_Condition): Handle pragma Check
	New warning flag -gnatw.e

	* sinfo.ads, sinfo.adb (Has_Relative_Deadline_Pragma): New function
	returning whether a task (or main procedure) has a pragma
	Relative_Deadline.
	(Set_Has_Relative_Deadline_Pragma): Procedure to indicate that a task
	(or main procedure) has a pragma Relative_Deadline.
	Add Next_Pragma field to N_Pragma node
	(PPC_Enabled): New flag
	(Next_Pragma): Now used for Pre/Postcondition processing

	* snames.h, snames.ads, snames.adb: New standard name
	Inherit_Source_Path
	Add entry for 'Invalid_Value attribute
	Add entry for new attribute Has_Tagged_Values
	Add entry for Enum_Val attribute
	Add new standard names Aggregate, Configuration and Library.
	Add _Postconditions
	Add _Result
	Add Pragma_Precondition
	Add Pragma_Postcondition
	Add Attribute_Result
	New standard name Archive_Builder_Append_Option
	(Preset_Names): Add _relative_deadline and relative_deadline definitions
	There was also a missing non_preemptive_within_priorities.
	(Get_Pragma_Id, Is_Pragma_Name): Add support for pragma
	Relative_Deadline.
	Add support for pragmas Check and Check_Policy

	* tree_gen.adb: Call Sem_Aux.Tree_Write

	* tree_in.adb: Call Sem_Aux.Tree_Read

	* exp_ch11.adb (Expand_N_Raise_Statement): New Build_Location calling
	sequence

	* exp_intr.adb (Expand_Source_Info): New Build_Location calling
	sequence

	* exp_prag.adb (Expand_Pragma_Relative_Deadline): New procedure.
	(Expand_N_Pragma): Call the appropriate procedure for expanding pragma
	Relative_Deadline.
	(Expand_Pragma_Check): New procedure

	* sinput.ads, sinput.adb (Build_Location_String): Now appends to name
	buffer.

	* sinfo.adb (PPC_Enabled): New flag

From-SVN: r134010

2008-04-08  Arnaud Charlet  <charlet@adacore.com>
	    Matthew Heaney  <heaney@adacore.com>

	* a-cgcaso.adb, a-convec.adb: (Swap, Sift): Avoid use of complex
	renaming.

	* a-cgaaso.ads, a-secain.ads, a-slcain.ads, a-shcain.ads,  
	a-crdlli.ads, a-coormu.ads, a-ciormu.ads: modified header to conform
	to convention for non-RM specs.
	Add descriptive header, and documented each operation
	document each operation

From-SVN: r134009

2008-04-08  Thomas Quinot  <quinot@adacore.com>

	* g-expect-vms.adb, a-textio.adb, a-witeio.adb, exp_dbug.adb,
	g-expect.adb, g-locfil.adb, gnatchop.adb, gnatdll.adb, gnatlbr.adb,
	gnatmem.adb, g-regist.adb, i-vxwork.ads, mlib-utl.adb, i-vxwork-x86.ads,
	a-ztexio.adb, g-enblsp-vms-alpha.adb, g-enblsp-vms-ia64.adb,
	s-os_lib.adb, s-regpat.adb, s-regpat.ads: Fix incorrect casing of
	ASCII.NUL throughout.

From-SVN: r134008

2008-04-08  Vincent Celier  <celier@adacore.com>
	    Arnaud Charlet  <charlet@adacore.com>

	* mlib-tgt-aix.adb, mlib-tgt-darwin.adb, mlib-tgt-hpux.adb,
	mlib-tgt-irix.adb, mlib-tgt-linux.adb, mlib-tgt-lynxos.adb,
	mlib-tgt-solaris.adb, mlib-tgt-tru64.adb, mlib-tgt-vms.adb,
	mlib-tgt-vms.ads, mlib-tgt-vms-alpha.adb, mlib-tgt-vms-ia64.adb,
	mlib-tgt-vxworks.adb, mlib-tgt-mingw.adb: Renamed into...

	* mlib-tgt-specific-aix.adb, mlib-tgt-specific-darwin.adb,
	mlib-tgt-specific-hpux.adb, mlib-tgt-specific-irix.adb,
	mlib-tgt-specific-linux.adb, mlib-tgt-specific-lynxos.adb,
	mlib-tgt-specific-solaris.adb, mlib-tgt-specific-tru64.adb,
	mlib-tgt-vms_common.adb, mlib-tgt-vms_common.ads,
	mlib-tgt-specific-vms-alpha.adb, mlib-tgt-specific-vms-ia64.adb,
	mlib-tgt-specific-vxworks.adb, mlib-tgt-specific-xi.adb,
	mlib-tgt-specific-mingw.adb: New names.

	* Makefile.in: 
	On VxWorks platforms use s-stchop-limit.ads for s-stchop.ads
	Get rid of gnatbl.
	(EXTRA_GNATRTL_NONTASKING_OBJS): Add s-win32.o
	Files mlib-tgt-*.adb have been renamed mlib-tgt-specific-*.adb
	Minor updates for VMS

From-SVN: r134007

2008-04-08  Pascal Obry  <obry@adacore.com>

	* a-exetim-mingw.adb, s-gloloc-mingw.adb, s-taprop-mingw.adb,
	s-tasinf-mingw.ad{s,b}, s-taspri-mingw.ads:
	Use new s-win32.ads unit instead of declaration
	from s-osinte-mingw.ads.
	
	* s-osinte-mingw.ads:
	Move all non tasking based interface to s-win32.ads.
	
	* s-osprim-mingw.adb:
	Remove duplicated declarations and use s-win32.ads
	unit instead.

From-SVN: r134006

	* s-osinte-vxworks6.ads: Removed, merged with s-osinte-vxworks.ads/.adb
	* s-vxwext.ads, s-vxwext-kernel.ads, s-vxwext-rtp.ads,
	s-vxwext-rtp.adb: New files.

	* s-taprop-vxworks.adb, s-osinte-vxworks.ads, s-osinte-vxworks.adb: 
	Minor updates to accomodate changes above.

From-SVN: r134005

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>
	    Arnaud Charlet  <charlet@adacore.com>

	* s-osinte-linux-alpha.ads, s-osinte-linux-hppa.ads: Removed.

	s-taspri-posix-noaltstack.ads, s-linux.ads, s-linux-alpha.ads,
	s-linux-hppa.ads: New files. Disable alternate stack on ia64-hpux.

	* s-osinte-lynxos-3.ads,
	(Alternate_Stack): Remove when not needed. Simplify declaration
	otherwise.
	(Alternate_Stack_Size): New constant.

	s-osinte-mingw.ads, s-taprop-mingw.adb: Code clean up: avoid use of
	'Unrestricted_Access.

	* s-osinte-hpux.ads, s-osinte-solaris-posix.ads, s-osinte-aix.ads,
	s-osinte-lynxos.ads, s-osinte-freebsd.ads s-osinte-darwin.ads,
	s-osinte-tru64.ads, s-osinte-irix.ads, s-osinte-linux.ads,
	s-osinte-solaris.ads, s-osinte-vms.ads
	(SA_ONSTACK): New constant.
	(stack_t): New record type.
	(sigaltstack): New imported function.
	(Alternate_Stack): New imported variable.
	(Alternate_Stack_Size): New constant.

	* system-linux-x86_64.ads: (Stack_Check_Probes): Set to True.

	* s-taspri-lynxos.ads, s-taspri-solaris.ads, s-taspri-tru64.ads,
	s-taspri-hpux-dce.ads (Task_Address): New subtype of System.Address
	(Task_Address_Size): New constant size of System.Address
	(Alternate_Stack_Size): New constant.

	* s-taprop-posix.adb, s-taprop-linux.adb (Get_Stack_Attributes): Delete.
	(Enter_Task): Do not notify stack to System.Stack_Checking.Operations.
	Establish the alternate stack if the platform makes use of n alternate
	signal stack for stack overflows.
	(Create_Task): Take into account the alternate stack in the stack size.
	(Initialize): Save the address of the alternate stack into the ATCB for
	the environment task.
	(Create_Task): Fix assertions for NPTL library (vs old LinuxThreads).

	* s-parame.adb (Minimum_Stack_Size): Increase value to 16K to

	* system-linux-x86.ads: (Stack_Check_Probes): Set to True.

	* s-intman-posix.adb: 
	(Initialize): Set SA_ONSTACK for SIGSEGV if the platform makes use of an
	alternate signal stack for stack overflows.

	* init.c (__gnat_adjust_context_for_raise, Linux version): On i386 and
	x86-64, adjust the saved value of the stack pointer if the signal was
	raised by a stack checking probe.
	(HP-UX section): Use global __gnat_alternate_stack as signal handler
	stack and only for SIGSEGV.
	(Linux section): Likewise on x86 and x86-64.
	[VxWorks section]
	(__gnat_map_signal): Now static.
	(__gnat_error_handler): Not static any more.
	(__gnat_adjust_context_for_raise): New function. Signal context
	adjustment for PPC && !VTHREADS && !RTP, as required by the zcx
	propagation circuitry.
	(__gnat_error_handler): Second argument of a sigaction handler is a
	pointer, not an int, and is unused.
	Adjust signal context before mapping to exception.
	Install signal handlers for LynxOS case.

	* s-taskin.ads (Common_ATCB): New field Task_Alternate_Stack.
	(Task_Id): Set size to Task_Address_Size
	(To_Task_id): Unchecked convert from Task_Address vice System.Address
	(To_Address): Unchecked convert to Task_Address vice System.Address

	* s-tassta.adb (Task_Wrapper): Define the alternate stack and save its
	address into the ATCB if the platform makes use of an alternate signal
	stack for stack overflows.
	(Free_Task): Add call to Finalize_Attributes_Link.
	Add argument Relative_Deadline to pass the value specified for
	the task. This is not yet used for any target.

	* s-tassta.ads (Create_Task): Add argument Relative_Deadline to pass
	the value specified for the task.

From-SVN: r134004

2008-04-08  Pascal Obry  <obry@adacore.com>

	* g-sercom.ads, g-sercom.adb (Data_Rate): Add B115200.
	(Stop_Bits_Number): New type.
	(Parity_Check): Likewise.
	(Set): Add parameter to set the number of stop bits and
	the parity. Parameter timeout is now a duration instead
	of a plain integer.

	* g-sercom-linux.adb:
	Implement the stop bits and parity support for GNU/Linux.
	Fix handling of timeout, it must be given in tenth of seconds.
	
	* g-sercom-mingw.adb:
	Implement the stop bits and parity support for Windows.
	Use new s-win32.ads unit instead of declaring Win32 services
	directly into this body.
	Update handling of timeout as now a duration.

	* s-win32.ads, s-winext.ads: New files.

From-SVN: r134003

pt.c (tsubst_copy, case SIZEOF_EXPR): Initialize len.

From-SVN: r134001

From-SVN: r133998

	* function.h (rtl): Rename to x_rtl.
	(crtl): New define.
	(return_label, naked_return_label, stack_slot_list, parm_birth_insn,
	frame_offset, stack_check_probe_note, arg_pointer_save_area,
	used_temp_slots avail_temp_slots, temp_slot_level,
	nonlocal_goto_handler_labels): Update accesstors.
	(rtl): New global variable.
	(struct function): Move some fileds to rtl_data.
	(get_arg_pointer_save_area): Update prototype.
	* builtins.c (expand_builtin_setjmp_receiver): Update call of
	get_arg_pointer_save_area.
	* expr.c (init_expr): Update
	* function.c (get_frame_size): Update
	(assign_stack_local): Update
	(expand_function_end): Update.
	(get_art_pointer_save_area): Update
	* function.h 
	* emit-rtl.c (rtl): Declare.
	(regno_reg_rtx): Declare.
	(first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
	Update.
	(gen_reg_rtx): Update.
	* varasm.c (n_deferred_constatns): Update accestor.
	(init_varasm_status): Do not allocate varasm_status.
	(force_const_mem, get_pool_size, output_constant_pool): Update.
	* stmt.c (force_label_rtx): Do not use x_ prefixes.
	(expand_nl_goto_receiver): Update get_arg_pointer_save_area.
	* m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
	* sparc/sparc.h (INIT_EXPANDERS): Update.
	* ia64/ia64.h (INIT_EXPANDERS): Update.

From-SVN: r133994

PR target/34210 PR target/35508 * config.host (avr-*-*): Add avr cpu_type and avr tmake_file. * config/t-avr: New file. Build 16bit libgcc functions.

From-SVN: r133993

	* Makefile.def: check-gold depends upon all-binutils.
	* Makefile.in: Regenerate.

From-SVN: r133992

2008-04-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/25829 28655
	* gfortran.dg/write_check2.f90: Update dg-error.
	* gfortran.dg/io_constraints_1.f90: Udate dg-error.

From-SVN: r133991

* reload.c (push_secondary_reload): Add missing break to for loop.

From-SVN: r133990

2008-04-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/25829 28655
	* io.c (io_tag): Add new tags for decimal, encoding, asynchronous,
	round, sign, and id. (match_open_element): Match new tags.
	(gfc_resolve_open): Resolve new tags. (gfc_match_open): Enable encoding
	for DEFAULT only. Update error messages. (match_dt_element): Fix match
	tag for asynchronous. Update error messages. (gfc_free_inquire): Free
	new expressions. (match_inquire_element): Match new tags.
	(gfc_match_inquire): Add constraint for ID and PENDING.
	(gfc_resolve_inquire): Resolve new tags.
	* trans-io.c (gfc_trans_inquire): Clean up whitespace and fix setting of
	mask for ID parameter.
	* ioparm.def: Fix order of parameters for pending, round, and sign.
	NOTE: These must line up with the definitions in libgfortran/io/io.h. or
	things don't work.

From-SVN: r133989

2008-04-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/25829 28655
	* io/open.c (edit_modes): Set flags.async. (new_unit) Set flags.async
	and flags.status. (st_open): Initialize flags.async.
	* io/list_read.c (read_charactor): Use delim_status instead of
	flags.delim.
	* io/read.c (read_x): Use pad_status instead of flags.pad.
	* io/inquire.c (inquire_via_unit): Add new checks.
	(inquire_via_filename): Likewise.
	* io/io.h (st_parameter_inquire): Add new flags.
	(st_parameter_dt): Likewise.
	* io/unit.c (get_internal_unit): Set flags.async. (init_units): Set
	flags.async.
	* io/transfer.c: Add delim and pad option arrays. (read_sf): Use
	pad_status instead of flags.pad. (read_block): Likewise.
	(data_transfer_init): Set flags.async and add checks.
	* io/write.c (write_character): Use delim_status.
	(list_formatted_write_scalar): Likewise. (nml_write_obj): Likewise.
	(namelist_write): Likewise.

From-SVN: r133988

        PR c++/35734
        * class.c (type_has_user_nondefault_constructor): A template
        counts as a nondefault constructor.

From-SVN: r133987

2008-04-07  Aurelien Jarno  <aurelien@aurel32.net>
            Xavier Grave  <grave@ipno.in2p3.fr>

        * Makefile.in: Add make ifeq define for mips/mipsel support.
        * g-soccon-linux-mips.ads, system-linux-mipsel.ads, 
        system-linux-mips.ads: New files.

Co-Authored-By: Xavier Grave <grave@ipno.in2p3.fr>

From-SVN: r133986

	PR middle-end/PR28690
	* rtlanal.c: Update copyright years.
	(commutative_operand_precedence): Give SYMBOL_REF's the same precedence
	as REG_POINTER and MEM_POINTER operands.
	* emit-rtl.c (gen_reg_rtx_and_attrs): New function.
	(set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
	* rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
	* gcse.c: Update copyright years.
	(pre_delete): Call gen_reg_rtx_and_attrs.
	(hoist_code): Likewise.
	(build_store_vectors): Likewise.
	(delete_store): Likewise.
	* loop-invariant.c (move_invariant_reg): Likewise.
	Update copyright years.

From-SVN: r133985

        * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
        control string instead of quoted.

From-SVN: r133984

	doc/rtl.texi: Rewrite of subreg section.

From-SVN: r133982

2008-04-07  Kai Tietz  <kai.tietz@onevision.com>

        PR/35842
        * config/i386/i386.c (legitimize_pic_address): Add treating
        of dllimport SYM_REF's.
        (legitimize_dllimport_symbol): Add prototype.

From-SVN: r133981

	PR/35842
	* gcc.dg/torture/pr35842.c: New.

From-SVN: r133980

2008-04-07  Aurelien Jarno  <aurelien@aurel32.net>

        * sysdep.c: add __GLIBC__ to the #ifdef preprocessor macros to
        detect systems using GNU libc.
        * gsocket.h: ditto.
        * socket.c: ditto.
        * adaint.c: ditto.
        * link.c: ditto.

From-SVN: r133979

2008-04-07  Aurelien Jarno  <aurelien@aurel32.net>

        * s-osinte-linux-kfreebsd.ads (SC_NPROCESSORS_ONLN): New
        constant constant for sysconf call.
        (bit_field): New packed boolean type used by cpu_set_t.
        (cpu_set_t): New type corresponding to the C type with
        the same name. Note that on the Ada side we use a bit
        field array for the affinity mask. There is not need
        for the C macro for setting individual bit.
        (pthread_setaffinity_np): New imported routine.
        * Makefile.in: Use s-tasinf-linux.ads and s-tasinf-linux.adb
        on GNU/kFreeBSD.

From-SVN: r133978

	* fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
	reference in constructor with non self-referential type.

ada/
	* utils2.c (build_binary_op): Fold ARRAY_REF and ARRAY_RANGE_REF too.

From-SVN: r133977

	Removal of Return with Depressed Stack Pointer support
	* tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
	(ECF_SP_DEPRESSED): Likewise.
	(ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
	* calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
	(flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
	(expand_call): Do not test ECF_SP_DEPRESSED.
	* dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
	* function.c (keep_stack_depressed): Delete.
	(handle_epilogue_set): Likewise.
	(update_epilogue_consts): Likewise.
	(emit_equiv_load): Likewise.
	(thread_prologue_and_epilogue_insns): Remove support for Return with
	Depressed Stack Pointer.
	* print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.

ada/
	* gigi.h (create_subprog_type): Remove returns_with_dsp parameter.
	* decl.c (gnat_to_gnu_entity): Adjust for above new prototype.
	* utils.c (create_subprog_type): Remove returns_with_dsp parameter.
	* trans.c (gnat_to_gnu) <N_Return_Statement>: Remove code dealing with
	Return by Depressed Stack Pointer.

From-SVN: r133976

2008-04-07  Johannes Singler  <singler@ira.uka.de>

         * include/parallel/multiway_merge.h:
           Moved decisions to compiletime instead of runtime.
         * include/parallel/losertree.h:
           Removed obsolete variants, added variant that uses pointers
           in the loser tree.
         * include/parallel/types.h:
           Remove obsolete settings options from enum.
         * include/parallel/features.h:
           Remove obsolete compile-time switches.
         * include/parallel/compiletime_settings.h:
           Remove obsolete variant that copies back *after* sorting.
         * include/parallel/tags.h:
           Add one new tag for compile-time switch.
         * include/parallel/merge.h:
           Adapt to changes in multiway_merge.h.
         * include/parallel/multiway_mergesort.h:
           Adapt to changes in multiway_merge.h.
           Factor out splitting variants.
           Remove obsolete variant that copies back *after* sorting.
         * include/parallel/sort.h:
           Adapt to changes in multiway_mergesort.h.
         * testsuite/25_algorithms/sort/35588.cc:
           Added test case from / for PR 35588.

From-SVN: r133975

From-SVN: r133972