* Makefile.in (ggc-common.o): Update.
	* c-decl.c (lang_mark_tree): Rename c_mark_tree.
	* c-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
	* c-tree.h (c_mark_tree): New.
	* ggc-common.c: Include langhooks.h.
	(gcc_mark_trees): Use new langhook.
	* ggc-callbacks.c: Delete file.
	* ggc.h (lang_mark_tree): Remove.
	* langhooks-def.h (LANG_HOOKS_MARK_TREE): New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.h (struct lang_hooks): New hook.
ada:
	* misc.c (LANG_HOOKS_MARK_TREE): Redefine.
	(lang_mark_tree): Make static, rename.
cp:
	* cp-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
	* cp-tree.h (cxx_mark_tree): New.
	* decl.c (lang_mark_tree): Rename cxx_mark_tree.
f:
	* com.c (LANG_HOOKS_MARK_TREE): Redefine.
	(lang_mark_tree): Rename ffe_mark_tree, make static.
java:
	* decl.c (lang_mark_tree): Rename java_mark_tree.
	* java-tree.h (java_mark_tree): New.
	* java-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
objc:
	* objc-lang.c (LANG_HOOKS_MARK_TREE): Redefine.

From-SVN: r51369

	* configure.in, configure: enable dwarf2-exception-style
	exception handling on IA-64.
	* include/dwarf2-signal.h (MAKE_THROW_FRAME): Add for IA-64.
	(INIT_SEGV, INIT_FPE): Use __libc_sigaction instead of syscall.
	Add FIXME comment.

From-SVN: r51367

	* doc/cpp.texi: Exclude entire Top node from printed manual.
	Move option index after directive index.  Insert page breaks
	before GFDL and concept index.  Index environment variables
	with command line options.
	* doc/cppenv.texi: Use @vtable for environment variable list.
	Add paragraph explaining semantics of empty elements in path
	variables.  Exclude a cross-reference to Fishkill from the
	manpage.  Remove an unnecessary cross-reference of the entry
	right above the referer.  Don't use @anchor in text that goes
	into manpage.
	* doc/cppopts.texi: Cross-reference the environment variables
	section, not the specific environment variable, for consistency.

From-SVN: r51365

From-SVN: r51364

	* Makefile.am (libgcj_la_LDFLAGS): Use THREADLDFLAGS.
	(jv_convert_LDFLAGS): Likewise.
	(gij_LDFLAGS): Likewise.
	(rmic_LDFLAGS): Likewise.
	(rmiregistry_LDFLAGS): Likewise.
	* configure.in (THREADLDFLAGS): New subst; set correctly for
	*BSD.

From-SVN: r51363

	    Richard Henderson  <rth@redhat.com>

	* testsuite/22_locale/codecvt_members_unicode_char.cc
	(test01, test02): make sure that the i_lit_base array
	is sufficiently aligned.

Co-Authored-By: Richard Henderson <rth@redhat.com>

From-SVN: r51359

        * recog.c (peephole2_optimize): Distribute EH_REGION -1 notes
        anywhere in the block.  Don't refer to insns that have been
        removed from the chain.  Iterate backward through the new insns.
        Don't refer to edges that have been removed.

From-SVN: r51357

2002-03-25  Benjamin Kosnik  <bkoz@redhat.com>

        * config/os/newlib/bits/ctype_noninline.h (ctype::classic): Set to
        _ctype_.

From-SVN: r51354

	* include/private/gcconfig.h: Change all likely references
	to linker script synthesized symbols to use this idiom:
	extern int etext[]; etext

From-SVN: r51352

	* testsuite/22_locale/collate_byname.cc
	(test01): compare the result of collate::compare with
	that of collate::transform + string::compare, not with
	that of collate::transform + collate::compare; values
	returned by collate::compare are normalized, therefore
	test against +-1.

From-SVN: r51351

	* combine.c (simplify_comparison <ASHIFTRT, LSHIFTRT>): Correct
	test for overflow of constant.

From-SVN: r51349

        * gcc.dg/20001013-1.c: Add -mcpu=ultrasparc.  Only run on
        sparcv9 systems.

From-SVN: r51347

PR target/2623
* arm.md (loadhi_preinc, loadhi_predec, loadhi_shiftpreinc)
(loadhi_shiftpredec, loadhi-with-writeback peephole): Don't use
these patterns on arm_archv4.

From-SVN: r51345

	* gnu/java/rmi/registry/RegistryImpl.java (main): Recognize --help
	and --version.
	(help): New method.
	(version): Likewise.
	* gnu/gcj/convert/Convert.java (version): Removed extraneous
	"GNU".
	* gnu/java/rmi/rmic/RMIC.java (parseOptions): Removed extraneous
	"GNU".

From-SVN: r51343

	* config/i386/mingw32.h (WINT_TYPE): Define as "short unsigned
	int".

From-SVN: r51340

        * gcc.c-torture/compile/20011119-1.c (xxx): New.
        * gcc.c-torture/compile/20011119-2.c (xxx): New.

From-SVN: r51337

	* toplev.c: Don't include setjmp.h.  Kill float_handler_set,
	float_handled, float_handler, float_signal, set_float_handler,
	and do_float_handler.  Set handler for SIGFPE to crash_signal.
	* toplev.h: Don't prototype do_float_handler.

	* c-lex.c: Fold parse_float into lex_number.  Make warning
	about portability of hex float constants more informative, and
	don't issue it on top of a syntax error.
	* fold-const.c: Fold const_binop_1 and fold_convert_1 into
	their callers.
	* real.h: Define REAL_VALUE_ABS here...
	* simplify-rtx.c: ... not here.  Fold check_fold_consts,
	simplify_unary_real, simplify_binary_real, and
	simplify_binary_is2orm1 into their callers.
	* tree.c: Fold build_real_from_int_cst_1 into caller.

	* doc/tm.texi: Document REAL_VALUE_ABS and REAL_VALUE_NEGATIVE.

	* tsystem.h: Include float.h here...
	* libgcc2.c: ... not here.

java:
	* lex.c: Change java_perform_atof to take normal parameters
	instead of a pointer to a parameter block.  Call it directly
	from java_lex.

testsuite:
	* gcc.dg/c90-hexfloat-1.c: Adjust error regexps.

From-SVN: r51336

2002-03-25  Benjamin Kosnik  <bkoz@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

	* config/locale/gnu/messages_members.h: Correct conditional.
	* config/locale/gnu/messages_members.cc: Same.
	* config/locale/gnu/time_members.cc: Same.

From-SVN: r51332

From-SVN: r51329

	Fix for PR java/5368:
	* parse.y (resolve_qualified_expression_name): Use decl not field_decl
	when printing error message.

From-SVN: r51327

* configure.in (mcore-pe): Disable the configuration of
  libstdc++-v3 since exceptions are not supported.
* config/mcore/mcore.h (CC1_SPEC): Define only if not already
  defined.  Do not disable exceptions or rtti.
* config/mcore/mcore-pe.h (CC1_SPEC): Define before including
  mcore.h.  Disable exceptions and rtti, since they are not
  supported by EPOC.

From-SVN: r51326

	* c-decl.c (maybe_build_cleanup): Remove.
	* expr.c (expand_expr): Use langhook.
	* langhooks-def.h (lhd_return_null_tree,
	LANG_HOOKS_MAYBE_BUILD_CLEANUP): New.
	(LANGHOOKS_INITIALIZER): Update.
	* langhooks.c (lhd_return_null_tree): New.
	* langhooks.h (struct lang_hooks): New hook.
	* tree-inline.c (initialize_inlined_parameters): Use langhook.
	* tree.h (maybe_build_cleanup): Remove.
ada:
	* misc.c (maybe_build_cleanup): Remove.
cp:
	* cp-tree.h (cxx_maybe_build_cleanup): New.
	* decl.c (destroy_local_var, hack_incomplete_structures): Update.
	(maybe_build_cleanup): Rename cxx_maybe_build_cleanup.
	* tree.c (build_target_expr): Update.
f:
	* com.c (maybe_build_cleanup): Remove.
java:
	* decl.c (maybe_build_cleanup): Remove.

From-SVN: r51324

From-SVN: r51322

From-SVN: r51321

        * g++.old-deja/g++.jason/thunk3.C: Add xtensa-*-* to list of
        targets using generic thunk support.

From-SVN: r51320

            Paolo Carlini  <pcarlini@unitus.it>

	* testsuite/locale/codecvt_members_unicode_char.cc
	(test01, test02): Fix i_lit_base arrays, making them
	independent from the endianness of the platform.

Co-Authored-By: Paolo Carlini <pcarlini@unitus.it>

From-SVN: r51314

	* regrename.c (build_def_use): Move recog_memoized
	before extract_insn.

From-SVN: r51313

	PR target/6043
	* expr.c (emit_group_store): Handle storing into CONCAT.

	* g++.dg/opt/conj2.C: New test.

From-SVN: r51311

From-SVN: r51309

	* regrename.c (build_def_use): Share RTL between MATCH_OPERATOR and
	corresponding MATCH_DUP.

	* gcc.c-torture/compile/20020323-1.c: New test.

From-SVN: r51305

	* java/awt/Component.java (processEvent): Check ComponentEvent
	after KeyEvent.

From-SVN: r51301

From-SVN: r51300

        * gcse.c: Include except.h.
        * Makefile.in (gcse.o): Update.

From-SVN: r51297

	* java/io/PushbackInputStream.java (available): Calculate correct
	number of bytes in buffer.
	(read): Remove redundant bound check. Return bytes from both the
	buffer and the stream.

From-SVN: r51296

FileInputStream.java (skip): Call fd.getFilePointer() and calculate correct number of bytes skipped.

	* java/io/FileInputStream.java (skip): Call fd.getFilePointer() and
	calculate correct number of bytes skipped.

From-SVN: r51293

From-SVN: r51291

        * varasm.c (asm_emit_uninitialised): Revert 2002-03-14 change.
        Do resolve_unique_section before shared data clause.

        * gcc.dg/weak-1.c: Use -fno-common.

From-SVN: r51289

2002-03-25  David Billinghurst  <David.Billinghurst@riotinto.com>

	* g77.dg/f77-edit-apostrophe-out.f: New test
	* g77.dg/f77-edit-h-out.f: New test
	* g77.dg/f77-edit-t-in.f: New test
	* g77.dg/f77-edit-t-out.f: New test
	* g77.dg/f77-edit-x-out.f: New test
	* g77.dg/f77-edit-slash-out.f: New test
	* g77.dg/f77-edit-colon-out.f: New test
	* g77.dg/f77-edit-s-out.f: New test

From-SVN: r51288

2002-03-25  David Billinghurst  <David.Billinghurst@riotinto.com>

	* g77.dg/f77-edit-apostrophe-out.f: New test
	* g77.dg/f77-edit-h-out.f: New test
	* g77.dg/f77-edit-t-in.f: New test
	* g77.dg/f77-edit-t-out.f: New test
	* g77.dg/f77-edit-x-out.f: New test
	* g77.dg/f77-edit-slash-out.f: New test
	* g77.dg/f77-edit-colon-out.f: New test
	* g77.dg/f77-edit-s-out.f: New test

From-SVN: r51287

From-SVN: r51286