PR rtl-opt/24160
        PR target/24621
        * reload1.c (reg_equiv_invariant): New.
        (reload): Allocate, initialize, and free it.
        (calculate_needs_all_insns): Check it when skipping equivalence
        setting insns.
        (alter_reg): Likewise.
        (eliminate_regs_1): Rename from eliminate_regs.  Add new
        may_use_invariant argument; only use reg_equiv_invariant when true.
        (eliminate_regs): New.
        (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
        a context for which may_use_invariant may be true.

Co-Authored-By: J"orn Rennecke <joern.rennecke@st.com>
Co-Authored-By: Ulrich Weigand <uweigand@de.ibm.com>

From-SVN: r107093

	* fold-const.c (const_binop): Don't constant fold the operation
	if the result has overflowed and flag_trapping_math.
	* simplify-rtx.c (simplify_const_binary_operation): Likewise.

From-SVN: r107092

gcc/
	* config/arm/unwind-arm.c (abort): Add prototype here.
	(UCB_FORCED_STOP_ARG): Correct typo in macro argument.
	(struct phase1_vrs): Add prev_sp.
	(unwind_phase2_forced): Save the original core registers instead of
	modifying entry_vrs.  Take a new flag argument for resuming unwinding
	and set action flags accordingly.  Always set _US_END_OF_STACK when
	get_eit_entry fails.  Unwind before calling the stop function.
	(_Unwind_GetCFA): New function.
	(__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
	(__gnu_Unwind_Resume_or_Rethrow): Likewise.
	(__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
	just call unwind_phase2_forced.
	(_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
	* config/arm/unwind-arm.h (abort): Remove prototype.
	(_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
	prototypes.
	(_Unwind_GetCFA): New prototype.
	* config/arm/pr-support.c (abort): Add prototype here.
	* unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
	forced unwinding.
	* config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
	not schedule the prologue with non-call exceptions and EABI.
gcc/testsuite/
	* gcc.dg/cleanup-5.c, gcc.dg/cleanup-8.c, gcc.dg/cleanup-9.c,
	gcc.dg/cleanup-10.c, gcc.dg/cleanup-11.c: Update for ARM EABI.

From-SVN: r107091

2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
gcc/
	* config/arm/unwind-arm.h: Reorder interface function declarations.
	(_URC_END_OF_STACK): New enumeration value.
	(_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
	(struct _Unwind_Control_Block): Document reserved field use.
	(_Unwind_Stop_Fn): New typedef.
	(_Unwind_ForcedUnwind): Declare.
	(_Unwind_Resume_or_Rethrow): Declare.
	* config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
	argument.  Adjust.
	(_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
	* config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
	(UCB_FORCED_STOP_ARG): New.
	(search_EIT_table): Update boundary condition checks.
	(get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
	(unwind_phase2): Replace for with do..while.
	(unwind_phase2_forced): New.
	(__gnu_Unwind_RaiseException): Replace for with do..while.
	(__gnu_Unwind_ForcedUnwind): New.
	(__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
	Use appropriate phase2 unwinder.
	(__gnu_Unwind_Resume_or_Rethrow): New.
	(__gnu_unwind_pr_common): Cope with forced unwinding.
gcc/testsuite/
	* g++.dg/eh/forced1.C: Adjust to cope with ARM EABI
	structures.
	* g++.dg/eh/forced2.C: Likewise.
	* g++.dg/eh/forced3.C: Likewise.
	* g++.dg/eh/forced4.C: Likewise.
libstdc++-v3/
	* libsupc++/eh_arm.cc (__cxa_begin_cleanup): Remember a
	foreign exception too.
	(__gnu_end_cleanup): Recover a foreign exception too.
	* libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Cope
	with forced unwinding.
	* libsupc++/eh_throw.cc (__cxxabiv1::__cxa_rethrow): Use
	_Unwind_Resume_or_Rethrow for ARM EABI.

From-SVN: r107089

2005-11-15  Jeroen Frijters  <jeroen@frijters.net>

       * java/io/ObjectInputStream.java
       (parseContent): Removed bogus println and fixed bug #24422.

2005-11-15  Mark Wielaard  <mark@klomp.org>

       * java/io/ObjectStreamClass.java: Removed, fully merged now.
       * sources.am: Regenerated.
       * Makefile.in: Regenerated.

2005-11-15  Wolfgang Baer  <WBaer@gmx.de>

       * java/io/ObjectInputStream.java
       (processResolution): Pass Error, RuntimeException and
       ObjectStreamException through to the caller.
       (readObject): Documentation update.

From-SVN: r107088

2005-11-16  Richard Guenther  <rguenther@suse.de>

	* Makefile.in: Add EH_MECHANISM=-gcc to s390(x) linux.

From-SVN: r107087

        PR target/24772
        * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.

        * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
        roundsf2): Remove "s" from mnemonic.

From-SVN: r107085

	* config/bfin/crti.s (__init, __fini): Use appropriate prologue if
	__PIC__ is defined.
	* config/bfin/crtn.s: Change epilogues to match.
	* config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
	__PIC__ and __pic__.

From-SVN: r107083

2005-11-16  Joel Sherrill <joel.sherrill@oarcorp.com>

        PR ada/24855
        * raise-gcc.c: Add missing stdarg.h include.

From-SVN: r107079

	PR 24357
	* doc/invoke.texi: Distinguish between free and fixed form instead of
	Fortran and Fortran 90/95.  Remove ratfor from the list of supported
	languages.
	* gcc.c (default_compilers): Remove double entries, add entries for
	suffixes '.F90' and '.F95'.

From-SVN: r107078

2005-11-16  Richard Guenther  <rguenther@suse.de>

	* Make-lang.in (ada/decl.o): Add $(EXPR_H) dependency.
	(ada/misc.o): Likewise.

From-SVN: r107074

From-SVN: r107073

From-SVN: r107072

	* config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
	in the stack probing loop.

From-SVN: r107069

        * configure.ac: Use .machine power5 not power5x.
        * configure: Regenerate.

From-SVN: r107064

	* c-decl.c (lookup_name_two): Add.
	* c-tree.h (lookup_name_two): Likewise.
	* c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
	* config/darwin-c.c (darwin_pragma_unused): Likewise.

cp:
	* name-lookup.c (lookup_name_two): Add.
	* name-lookup.h: Likewise.

testsuite:
	* g++.old-deja/g++.mike/unused.C: Add.

From-SVN: r107062

	PR rtl-optimization/23392
	* regrename.c (enum scan_actions) Add mark_access.
	(scan_actions_name): Ditto.
	(scan_rtx_reg): Handle mark_access.
	(scan_rtx_address): Do nothing for mark_access.
	(build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
	and regs in REG_INC notes before closing chains for dead regs.
	Mark destination regs in REG_FRAME_RELATED_EXPR notes after
	opening chains for new writes.

From-SVN: r107059

From-SVN: r107056

       * sources.am: Regenerated.
       * Makefile.in: Likewise.
       * scripts/makemake.tcl: Use glob -nocomplain.

From-SVN: r107049

from  Scott Gilbertson  <scottg@mantatest.com>

	* Makefile.in: Re-generated.
	* gnu/awt/xlib/XGraphicsDevice.java: New file.
	* gnu/awt/xlib/XToolkit.java
	(getLocalGraphicsEnvironment): Implemented. 
	* gnu/awt/xlib/XGraphicsEnvironment.java: New file.
	* sources.am: Re-generated.

From-SVN: r107045

	PR fortran/24096
	* trans-types.c (gfc_init_kinds): Use one less for max_exponent
	of IBM extended double format.

From-SVN: r107041

From-SVN: r107039

From-SVN: r107038

	PR libgcj/15430
	* gnu/java/net/natPlainSocketImplPosix.cc (throw_on_sock_closed): New
	function.
	(accept): Call it.
	(close): Call shutdown before closing.
	(read()): Call read_helper with proper parameters.
	(read(buffer, int, int)): Likewise.
	(read_helper):  Pass pointer to the PlainSocketImpl, remove native_fd
	and timeout parameters.  Make prototype to match. Use 
	pointer to PlainSocketImpl to access members. Call throw_on_sock_closed
	in two places.

From-SVN: r107036

	PR c++/24667
	* typeck.c (check_for_casting_away_constness): Use the diag_fn.
	(build_const_cast_1): Call it, for C-style casts.
	PR c++/24667
	* g++.dg/warn/Wcast-qual1.C: New test.

From-SVN: r107032

2005-11-15  Andrew Haley  <aph@redhat.com>

        * Merge from Classpath head:

   2005-09-16  Andrew Haley  <aph@redhat.com>
   
           * java/io/ObjectStreamClass.java (findAccessibleMethod): Allow
           protected readResolve().  Rewrite accessibility check.
   
   2005-07-07  Jeroen Frijters  <jeroen@frijters.net>
   
           * java/io/ObjectStreamClass.java
           (findAccessibleMethod): Added code to make method accessible.
   
   2005-07-03  Daniel Bonniot  <bonniot@users.sf.net>
   
           * java/io/ObjectStreamClass.java (inSamePackage): New private method.
           (findAccessibleMethod): Likewise.
           (cacheMethods): Lookup readResolve and writeReplace using the new
           findAccessibleMethod().

From-SVN: r107029

Update comments.

From-SVN: r107028

2005-09-16  Andrew Haley  <aph@redhat.com>

        * java/io/ObjectStreamClass.java (findAccessibleMethod): Allow
        protected readResolve().  Rewrite accessibility check.

From-SVN: r107027

From-SVN: r107023

From-SVN: r107022

From-SVN: r107021

From-SVN: r107020

From-SVN: r107019

	* config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
	of making syscalls.
	* config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.

From-SVN: r107018

2005-11-14  Robert Dewar  <dewar@adacore.com>

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	s-pack30.ads, s-pack31.adb, s-pack31.ads, s-pack33.adb, s-pack33.ads,
	s-pack34.adb, s-pack34.ads, s-pack35.adb, s-pack35.ads, s-pack36.adb,
	s-pack36.ads, s-pack37.adb, s-pack37.ads, s-pack38.adb, s-pack38.ads,
	s-pack39.adb, s-pack39.ads, s-pack40.adb, s-pack40.ads, s-pack41.adb,
	s-pack41.ads, s-pack42.adb, s-pack42.ads, s-pack43.adb, s-pack43.ads,
	s-pack44.adb, s-pack44.ads, s-pack45.adb, s-pack45.ads, s-pack46.adb,
	s-pack46.ads, s-pack47.adb, s-pack47.ads, s-pack48.adb, s-pack48.ads,
	s-pack49.adb, s-pack49.ads, s-pack50.adb, s-pack50.ads, s-pack51.adb,
	s-pack51.ads, s-pack52.adb, s-pack52.ads, s-pack53.adb, s-pack53.ads,
	s-pack54.adb, s-pack54.ads, s-pack55.adb, s-pack55.ads, s-pack56.adb,
	s-pack56.ads, s-pack57.adb, s-pack57.ads, s-pack58.adb, s-pack58.ads,
	s-pack59.adb, s-pack59.ads, s-pack60.adb, s-pack60.adb, s-pack60.ads,
	s-pack61.adb, s-pack61.ads, s-pack62.adb, s-pack62.ads, s-pack63.adb,
	s-pack63.ads, s-parint.adb, s-parint.adb, s-parint.ads, sprint.ads,
	s-purexc.ads, s-restri.ads, s-restri.adb, s-scaval.adb, s-scaval.ads,
	s-secsta.adb, s-secsta.ads, s-sequio.adb, s-sequio.ads, stand.ads,
	s-tasuti.adb, s-traceb.adb, s-traceb.ads, stringt.adb, stringt.ads,
	styleg.ads, s-valboo.adb, s-valboo.ads, s-valcha.adb, s-valcha.ads,
	s-valdec.adb, s-valdec.ads, s-valint.adb, s-valint.ads, s-valint.ads,
	s-vallld.adb, s-vallld.ads, s-vallli.adb, s-vallli.ads, s-valllu.adb,
	s-valllu.ads, s-valrea.adb, s-valrea.ads, s-valuns.adb, s-valuns.ads,
	s-valuti.adb, s-valuti.ads, s-valwch.ads, s-veboop.adb, s-veboop.ads,
	s-vercon.adb, s-vercon.ads, s-wchcnv.adb, s-wchcnv.ads, s-wchcon.ads,
	s-wchjis.adb, s-wchjis.ads, s-wchstw.adb, s-wchstw.adb, s-wchstw.ads,
	s-wchwts.adb, s-wchwts.ads, s-widboo.adb, s-widboo.ads, s-widcha.adb,
	s-widcha.ads, s-widenu.adb, s-widenu.ads, s-widlli.adb, s-widlli.ads,
	s-widllu.adb, s-widllu.ads, s-widwch.adb, s-widwch.ads, s-wwdcha.adb,
	s-wwdcha.ads, s-wwdenu.adb, s-wwdenu.ads, symbols.adb, symbols.ads,
	table.ads, targparm.adb, targparm.ads, tb-alvms.c, tb-alvxw.c,
	tbuild.adb, tree_io.ads, treepr.adb, treeprs.adt, ttypef.ads,
	ttypes.ads, types.adb, uintp.adb, uintp.ads, uname.ads, urealp.ads,
	usage.ads, validsw.ads, vxaddr2line.adb, widechar.adb, widechar.ads,
	xeinfo.adb, xnmake.adb, xref_lib.ads, xr_tabls.adb, xr_tabls.ads,
	xsinfo.adb, xtreeprs.adb, xsnames.adb, vms_conv.ads, vms_conv.adb,
	a-dirval.ads, a-dirval.adb, a-dirval-mingw.adb, a-direct.ads,
	a-direct.adb, indepsw.ads, prj-attr-pm.ads, system-linux-ppc.ads,
	a-numaux-darwin.ads, a-numaux-darwin.adb,
	a-swuwha.ads, a-stunha.ads: Minor reformatting

From-SVN: r107016

2005-11-14  Cyrille Comar  <comar@adacore.com>
	    Robert Dewar  <dewar@adacore.com>
	    Vincent Celier  <celier@adacore.com>
	    Ben Brosgol  <brosgol@adacore.com>
	    Jose Ruiz  <ruiz@adacore.com>
	    Pascal Obry  <obry@adacore.com>

	* gnat_ugn.texi: 
	Document that -fstack-check is needed for strict compliance with the
	Ada 95 Reference Manual.
	Correct reference to VAX systems to meet HP guidelines
	Add documentation for new gnatmake switches -vl, -vm and -vh
	Replace DEC Ada by HP Ada
	Replace DIGITAL by HP
	Remove empty section on tools in compatibility section
	Clarify the Windows convention semantics.
	Document the Win32 calling convention.
	The Stdcall, Win32 and DLL convention are synonyms.
	Add a note in -gnatR description about zero size record components
	Note on new >= and <= warnings for -gnatwc
	Document that equal sign after -gnatm is optional.
	Note that strip is working fine on DLL built with a Library
	Project. The restriction apply only to DLL built with gnatdll.
	Update section about the way to debug a DLL.
	Update information about the DLL convention.
	Document -C switch for gnatprep
	Document new attribute Library_ALI_Dir
	Update elaboration doc to include implicit Elaborate pragmas now
	generated for subprogram instantiations.
	Document limitation on executable names that include spaces for --GCC,
	--GNATBIND, and --GNATLINK switches.
	Document that -w causes -gnatws to be added at start of gcc switches

	* gnat_rm.texi: Document that -mieee is needed for generating infinite
	and NaN values in case of overflow on machines that are not fully
	compliant with the IEEE floating-point standard.
	Create a section describing the set of compiler options needed for
	strict compliance with the Ada 95 Reference Manual.
	Add documentation for pragma Obsolescent applied to a package
	Clarify potential issues of mixed language programs related to the
	I/O buffering enabling in the elaboration of the GNAT runtime.
	Add extra documentation for pragma Restrictions (No_Elaboration_Code)
	This documentation only patch adds extra documentsion for pragma
	Restrictions (No_Elaboration_Code), explaining why it is not possible
	to document this restriction in terms of allowed source constructs.
	Document string literal form of pragma Warnings
	Document new attribute Library_ALI_Dir
	Add documentation on stable attributes in project files that was missing

	* gnat-style.texi: Indicate that paragraphs within a single comment
	should be separated by empty comment lines

	* ug_words: Added replacements for -gnat95 and -gnat05 (/95 and
	/05 respectively)

	* bindusg.adb: Minor cleanup, put -m before -M for consistency

From-SVN: r107015

2005-11-14  Vincent Celier  <celier@adacore.com>

	* makegpr.adb (Gprmake): Do not attempt to build the global archive if
	there is no object directory.

2005-11-14  Robert Dewar  <dewar@adacore.com>

	* usage.adb: Minor adjustment to output format, use nn instead of nnn
	(so that -gnateInnn does not run into next column)

2005-11-14  Ed Falis  <falis@adacore.com>

	* s-bitops.adb (Bits_Array): corrected comment: "unconstrained" =>
	"constrained"

2005-11-14  Cyrille Comar  <comar@adacore.com>

	* s-chepoo.ads: Add comments on Dereference.
	Remove unnecessary inherited abstract primitives.
	Cosmetic cleanup.

2005-11-14  Robert Dewar  <dewar@adacore.com>

	* sem_cat.ads (Validate_Access_Type_Declaration): Remove declaration
	node parameter, not needed, since it is available as Declaration_Node.

2005-11-14  Geert Bosch  <bosch@adacore.com>

	* s-exnllf.adb (Exn_LLF): Fix comment to be more precise and
	grammatically correct.

2005-11-14  Vincent Celier  <celier@adacore.com>

	* s-fileio.ads: Correct spelling error in comment

From-SVN: r107014

2005-11-14  Robert Dewar  <dewar@adacore.com>

	* xgnatugn.adb: Replace invalid membership test by 'Valid

From-SVN: r107013

tempdir.adb (Tempdir): Do not use environment variable TMPDIR if it designates a non existent directory.

2005-11-14  Vincent Celier  <celier@adacore.com>

	* tempdir.adb (Tempdir): Do not use environment variable TMPDIR if it
	designates a non existent directory.

From-SVN: r107012

2005-11-14  Vincent Celier  <celier@adacore.com>

	* switch.adb (Bad_Switch): New procedure
	(Scan_Nat, Scan_Pos): Directly call Osint.Fail with the appropriate
	message when in error.

	* switch.ads (Bad_Switch, Bad_Switch_Value, Missing_Switch_Value,
	Too_Many_Output_Files): Remove declarations, no longer used.
	(Scan_Nat): New parameter Switch
	(Scan_Pos): Ditto
	(Bad_Switch): New procedure

	* switch-b.adb (Scan_Binder_Switches): Replace "raise Bad_Switch;"
	with call to new procedure Bad_Switch. Call Scan_Pos and Scan_Natwith
	new parameter Switch. Replace "raise Too_Many_Output_Files;" with call
	to Osint.Fail. Do not handle any exception.

From-SVN: r107011