jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset for unrepresentable subregs or treat them as...

	* jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset
	for unrepresentable subregs or treat them as equal to other regs
	or subregs with the same register number.

From-SVN: r138804

    gcc/ada/
	* gcc-interface/Make-lang.in: Use GCC_FOR_TARGET when dealing
	with s-oscons-tmplt.i.

    libada/
	* Makefile.in: Pass FLAGS_TO_PASS to sub-make for target
	oscons.

From-SVN: r138800

    gcc/ada/
	* gcc-interface/Make-lang.in (OSCONS_CPPFLAGS): Remove.

From-SVN: r138799

acinclude.m4 ([GLIBCXX_CHECK_INT64_T]): Also check whether int64_t is actually a typedef to long or long long.

2008-08-06  Paolo Carlini  <paolo.carlini@oracle.com>

	* acinclude.m4 ([GLIBCXX_CHECK_INT64_T]): Also check whether int64_t
	is actually a typedef to long or long long.
	* include/bits/postypes.h: If int64_t is actually a typedef for
	long or long long don't include <stdint.h> unnecessarily.
	* configure: Regenerate.
	* config.h.in: Likewise.

From-SVN: r138797

        PR middle-end/35432
        * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types
        if want_value.
 testsuite/
        * gcc.c-torture/compile/pr35432.c: New file.

From-SVN: r138793

2008-08-06  Thomas Quinot  <quinot@adacore.com>

	* gcc-interface/Makefile.in,
	g-socthi-vxworks.adb, g-socthi-mingw.adb, g-sttsne-vxworks.adb,
	g-socthi.adb, g-socket.adb, g-socket.ads, g-sothco.ads,
	g-soccon-linux-x86.ads, g-soccon-vxworks.ads, g-soccon-mingw.ads,
	g-soccon-hpux-ia64.ads, g-soccon-irix.ads, g-soccon-linux-64.ads,
	g-soccon-aix.ads, g-soccon-solaris.ads, g-soccon-lynxos.ads,
	g-soccon-vms.ads, g-soccon.ads, g-soccon-freebsd.ads,
	g-soccon-linux-ppc.ads, g-soccon-tru64.ads, g-soccon-hpux.ads,
	g-soccon-solaris-64.ads, gen-oscons.c, g-soccon-darwin.ads,
	g-soccon-mingw-64.ads, g-soccon-linux-mips.ads, g-soccon-rtems.ads:
	Remove GNAT.Sockets.Constants. This internal package is replaced by
	System.OS_Constants.

From-SVN: r138792

2008-08-06  Robert Dewar  <dewar@adacore.com>

	* gnat_ugn.texi: Clarify -gnato documentation

From-SVN: r138791

2008-08-06  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Analyze_Component_Declaration): Protect against misuse
	of incomplete type.

	* sem_ch8.adb (Analyze_Object_Renaming): Diagnose properly a renaming
	of a formal parameter of an incomplete type. Improve error message for
	other improper uses of incomplete types.

From-SVN: r138790

2008-08-06  Thomas Quinot  <quinot@adacore.com>

	* Makefile.in: Now generate s-oscons-$(THREAD_KIND).

From-SVN: r138789

2008-08-06  Thomas Quinot  <quinot@adacore.com>
 
	* gcc-interface/Makefile.in, gcc-interface/Make-lang.in:
	Remove obsolete targets referencing gen-soccon
	When generating s-oscons.ads, use a file name that includes the
	THREAD_KIND, to ensure that the (potentially different) version from a
	previous build with a different threads flavour does not get reused.

From-SVN: r138788

2008-08-06  Thomas Quinot  <quinot@adacore.com>

	* gcc-interface/Makefile.in, gcc-interface/Make-lang.in:
	Remove obsolete targets referencing gen-soccon
	When generating s-oscons.ads, use a file name that includes the
	THREAD_KIND, to ensure that the (potentially different) version from a
	previous build with a different threads flavour does not get reused.

From-SVN: r138787

2008-08-06  Thomas Quinot  <quinot@adacore.com>

	* s-fileio.adb (Open): When file open operation fails, raise Name_Error
	only when the operating system reports a non-existing file or directory
	(ENOENT), otherwise raise Name_Error.

From-SVN: r138786

2008-08-06  Thomas Quinot  <quinot@adacore.com>

	* exp_ch11.adb: Minor reformatting

From-SVN: r138785

2008-08-06  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Access_Subprogram_Declaration): If the return type is
	incomplete, add the access_to_subprogram type to the list of private
	dependents only if the incomplete type will be completed in the current
	scope.
	(Build_Discriminant_Constraints): If the type of the discriminant is
	access_to_variable, reject a constraint that is access_to_constant.

From-SVN: r138784

2008-08-06  Thomas Quinot  <quinot@adacore.com>

	* sem_res.adb: Minor reformatting

From-SVN: r138783

From-SVN: r138782

2008-08-06  Thomas Quinot  <quinot@adacore.com>

	* g-socket-dummy.adb, g-socket-dummy.ads, g-sothco-dummy.adb,
	g-sothco-dummy.ads, g-socthi-dummy.adb, g-socthi-dummy.ads,
	g-sttsne-dummy.ads: New files.

	* gcc-interface/Makefile.in, Makefile.rtl: Use placeholder sources
	with pragma Unimplemented_Unit for sockets packages on Nucleus.

From-SVN: r138781

g-comlin.adb (Set_Command_Line): Now that aliases can contain parameters, always specify the expected separator.

2008-08-06  Jerome Lambourg  <lambourg@adacore.com>

	* g-comlin.adb (Set_Command_Line): Now that aliases can contain
	parameters, always specify the expected separator.

From-SVN: r138780

sem_res.adb (Resolve_Call): Use base type to determine whether a dereference is needed because a subtype of...

2008-08-06  Ed Schonberg  <schonberg@adacore.com>

	* sem_res.adb (Resolve_Call): Use base type to determine whether a
	dereference is needed because a subtype of an access_to_subprogram is
	simply an access-subtype

From-SVN: r138779

exp_disp (Expand_Interface_Actuals): Adds missing support for expansion of calls to subprograms using selected...

2008-08-06  Javier Miranda  <miranda@adacore.com>

	* exp_disp (Expand_Interface_Actuals): Adds missing support for
	expansion of calls to subprograms using selected components.

From-SVN: r138778

2008-08-06  Pascal Obry  <obry@adacore.com>

	* adaint.c: Another fix for ACL support on Windows.

From-SVN: r138777

2008-08-06  Thomas Quinot  <quinot@adacore.com>

	* sem_ch3.adb: Minor reformatting

From-SVN: r138776

2008-08-06  Jerome Lambourg  <lambourg@adacore.com>

	* g-comlin.adb (Define_Switch, Get_Switches): New.
	(Can_Have_Parameter, Require_Parameter, Actual_Switch): New, used when
	ungrouping switches.
	(For_Each_Simple_Switch): Allow more control over parameters handling.
	This generic method now allows ungrouping of switches with parameters
	and switches with more than one letter after the prefix.
	(Set_Command_Line): Take care of switches that are prefixed with a
	switch handling parameters without delimiter (-gnatya and -gnaty3 for
	example).
	(Add_Switch, Remove_Switch): Handle parameters possibly present inside
	a group, as in gnaty3aM80 (3 and 80 are parameters). Report status of
	the operation.
	(Start, Alias_Switches, Group_Switches): Take care of parameters
	possibly present inside a group.

	* g-comlin.ads (Define_Switch): New method used to define a list of
	expected switches, that are necessary for correctly ungrouping switches
	with more that one character after the prefix.
	(Get_Switches): Method that builds a getopt string from the list of
	switches as set previously by Define_Switch.
	(Add_Switch, Remove_Switch): New versions of the methods, reporting the
	status of the operation. Also allow the removal of switches with
	parameters only.
	(Command_Line_Configuration_Record): Maintain a list of expected
	switches.

From-SVN: r138775

2008-08-06  Thomas Quinot  <quinot@adacore.com>

	* sem.adb: Minor rewording (comment)

From-SVN: r138774

2008-08-06  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Find_Type_Name): protect against duplicate incomplete
	declaration for the same type.

From-SVN: r138773

g-awk.adb (Finalize): Do not use directly objects of the type in the finalization routine to prevent...

2008-08-06  Ed Schonberg  <schonberg@adacore.com>

	* g-awk.adb (Finalize): Do not use directly objects of the type in the
	finalization routine to prevent elaboration order anomalies in new
	finalization scheme.

From-SVN: r138772

s-stausa.adb (Fill_Stack): Fixed pragma assert and top pattern mark in the case of an empty pattern size.

2008-08-06  Quentin Ochem  <ochem@adacore.com>

	* s-stausa.adb (Fill_Stack): Fixed pragma assert and top pattern mark
	in the case of an empty pattern size.
	(Compute_Result): Do not do any computation in the case of an empty
	pattern size.
	(Report_Result): Fixed computation of the overflow guard.

From-SVN: r138771

2008-08-06  Vincent Celier  <celier@adacore.com>

	* gnat_ugn.texi: Document compiler switch -gnateG

From-SVN: r138770

2008-08-06  Thomas Quinot  <quinot@adacore.com>

	* xnmake.adb: Use new XUtil package for platform independent text
	output.

From-SVN: r138769

2008-08-06  Doug Rupp  <rupp@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_param): Force 32bit descriptor if
	TARGET_MALLOC64 clear.

	* gcc-interface/utils2.c (build_call_alloc_dealloc): Force 32bit malloc
	if TARGET_MALLOC64 clear.

	* gcc-interface/gigi.h (TARGET_ABI_OPEN_VMS): Move here from utils2.c
	(TARGET_MALLC64): New macro. Default to clear.

From-SVN: r138768

	* gcc-interface/utils2.c (snames.h) Include
	(TARGET_ABI_OPEN_VMS): Initialize.
	(build_call_alloc_dealloc); [TARGET_ABI_OPEN_VMS] Allocate on 32bit heap
	for Convention C.

From-SVN: r138767

exp_disp (Expand_Interface_Conversion): Freeze the entity associated with the target interface before expanding the...

2008-08-06  Javier Miranda  <miranda@adacore.com>

	* exp_disp (Expand_Interface_Conversion): Freeze the entity associated
	with the target interface before expanding the code of the interface
	conversion.

From-SVN: r138766

sem_ch3.adb (Process_Discriminants): diagnose redundant or improper null exclusion in a discriminant declaration

2008-08-06  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Process_Discriminants): diagnose redundant or improper
	null exclusion in a discriminant declaration

	* sem_ch8.adb (Analyze_Object_Renaming): diagnose null exclusion
	indicators when type is not an access type.

	* sem_ch12.adb (Formal_Object_Declaration): diagnose null exclusion
	indicators when type is not an access type.

From-SVN: r138765

	* predict.c (maybe_hot_frequency_p): When profile is absent, all
	frequencies might be hot.

From-SVN: r138764

2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>

	* reload.c (find_reloads): Force constants into literal pool
	also if they are wrapped in a SUBREG.

2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>

 	* gcc.c-torture/compile/20080806-1.c: New testcase.

From-SVN: r138763

	PR target/35659
	* haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ...
	* sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here.
	Don't allow predicated instructions for data speculation.
	* sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move
	declaration.

From-SVN: r138759

	* haifa-sched.c (extend_global): Split to extend_global_data and
	extend_region_data.  Update all uses.
	(extend_all): Rename to extend_block_data.

	* gcc.target/ia64/20080802-1.c: New test.

From-SVN: r138758

sched-rgn.c (new_ready): Check if instruction can be speculatively scheduled before attempting speculation.

	* sched-rgn.c (new_ready): Check if instruction can be
	speculatively scheduled before attempting speculation.
	(debug_rgn_dependencies): Remove wrongful assert.

From-SVN: r138757

        PR c++/37016
        * decl.c (build_ptrmemfunc_type): Don't require structural
        comparison of PMF types.
        * tree.c (cp_build_qualified_type_real): Don't clear
        a valid TYPE_PTRMEMFUNC_TYPE.
        * typeck.c (cp_build_unary_op): Still do build_ptrmemfunc in
        templates.

From-SVN: r138756

From-SVN: r138751