* predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
	* predict.c (estimate_probability): Calculate dominance
	information; improve detection of NORETURN heuristics;
	add call/error_return heuiristics; tweak comparison heuristics
	to recognize -1.

From-SVN: r43130

2001-06-10  Benjamin Kosnik  <bkoz@redhat.com>

	* include/c_std/bits/std_cstdio.h: Include cstddef for size_t.

From-SVN: r43128

From-SVN: r43126

* doc/invoke.texi (C Dialect Options): Document -aux-info.
(Debugging Options): Document -print-multi-directory and
-print-multi-lib.
* doc/gcc.1: Rebuilt.

From-SVN: r43124

toplev.c (independent_decode_option): Require `=' between `-aux-info' and filename in the same argument.

* toplev.c (independent_decode_option): Require `=' between
`-aux-info' and filename in the same argument.
* gcc.c: Don't pass -aux-info=filename twice.

From-SVN: r43123

From-SVN: r43121

expr.c (expand_expr, [...]): Do not replace an array element with the known initializing value if...

	* expr.c (expand_expr, case ARRAY_REF): Do not replace
	an array element with the known initializing value if it has
	side-effects.

	* toplev.c (rest_of_compilation): Remove dead code before
	purge_addressof.

From-SVN: r43120

	* cppinit.c (print_help): Document -fpreprocessed.
	* invoke.texi: Similarly.

From-SVN: r43116

	* predict.def: New file.
	* predict.h: New file.
	* predict.c: Include predict.h.
	(predictor_info): New structure and array.
	(predict_edge, predict_insn): Rewrite; make global.
	(predict_edge_def, predict_insn_def): New global functions.
	(dump_prediction, combine_predictions_for_insns): New
	static functions.
	(estimate_probability): Change calls to predict_edge
	to predict_edge_def and calls to predict_insn to predict_insn_def;
	combine probabilities.
	(expected_value_to_br_prob): Behave as predictor.
	* rtl.h (REG_BR_PRED): Update coment.
	(invert_br_probabilities): New.
	* jump.c: Include predict.h
	(duplicate_loop_exit_test): Drop branch prediction notes.
	(invert_jump): Use invert_br_probabilities.
	* Makefile.in: Add dependancy on predict.h for jump and predict pass.
	* ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
	* combine.c (distribute_notes): Handle BR_PRED.

From-SVN: r43115

* g++.dg/mangle1.C: Change regex to allow USER_LABEL_PREFIX == "_"
names.

From-SVN: r43114

From-SVN: r43111

	* predict.c (predict_insn, predict_edge): New static functions.
	(estimate_probability): Revamp to use new functions;
	fix loop header heruistics; add loop exist heruistics

From-SVN: r43109

* acinclude.m4 (AC_EXEEXT): Work around in case it expands to
nothing, as in autoconf 2.50.
* aclocal.m4, configure: Rebuilt.

From-SVN: r43108

* configure.in (AC_EXEEXT): Work around in case it expands to
nothing, as in autoconf 2.50.
* acinclude.m4: Likewise.
* aclocal.m4, configure: Rebuilt.

From-SVN: r43107

From-SVN: r43106

* configure.in (AC_EXEEXT): Work around in case it expands to
nothing, as in autoconf 2.50.
* acinclude.m4: Likewise.
* configure: Rebuilt.

From-SVN: r43105

* acinclude.m4 (AC_EXEEXT): Work around in case it expands to
nothing, as in autoconf 2.50.
* configure: Rebuilt.

From-SVN: r43104

* configure.in (AC_EXEEXT): Work around in case it expands to
nothing, as in autoconf 2.50.
* configure: Rebuilt.

From-SVN: r43103

From-SVN: r43100

2001-06-09  Benjamin Kosnik  <bkoz@redhat.com>

	* include/c_std/bits/std_cwchar.h: Remove size_t injection,
	include std_cstddef.
	* include/c_std/bits/std_ctime.h: Same.
	* include/c_std/bits/std_cstring.h: Same.
	* include/c_std/bits/std_cstdlib.h: Same.

	* include/c_std/bits/std_cstdio.h: Remove vsnprintf, snprintf.
	* include/c_std/bits/std_cctype.h: Remove isblank.

From-SVN: r43097

* config.guess: Import CVS version 1.195.
* config.sub: Import CVS version 1.212.

From-SVN: r43096

vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags for integer operations that don't update...

	* vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
	for integer operations that don't update C bit.

From-SVN: r43094

gthr-posix.h (__gthread_objc_init_thread_system): If pthread_key_create fails, it's not clear what the return value is.

2001-06-09  Nicola Pero <nicola@brainstorm.co.uk>

	* gthr-posix.h (__gthread_objc_init_thread_system): If
	pthread_key_create fails, it's not clear what the return value is.
	This obvious fix makes sure it always returns -1 if a problem
	occurs.

From-SVN: r43092

(__gthread_objc_init_thread_system): If pthread_key_create fails, it's not clear what the return value is.

(__gthread_objc_init_thread_system): If pthread_key_create fails, it's
not clear what the return value is.  This obvious fix makes sure it
always returns -1 if a problem occurs.

From-SVN: r43091

	* doc/gcc.texi: Use @defcodeindex for the index of options.  Add
	more index entries.  Use more logical markup where appropriate.
	Use TeX quotes and dashes.

From-SVN: r43089

2001-06-09  Benjamin Kosnik  <bkoz@redhat.com>

	* unwind-pe.h: Conditionally qualify references to abort with
	std::.

From-SVN: r43087

2001-06-09  Benjamin Kosnik  <bkoz@fillmore.constant.com>

	* unwind-pe.h: Conditionally qualify references to abort with
	std::.

From-SVN: r43082

2001-06-09  Ovidiu Predescu  <ovidiu@cup.hp.com>

	* objc/execute/load-3.m: Added. Check sending +load to categories,
	in addition to classes.

From-SVN: r43081

From-SVN: r43080

2001-06-09  Benjamin Kosnik  <bkoz@redhat.com>

	* include/c_std/bits/std_cctype.h: Remove isblank.

From-SVN: r43078

From-SVN: r43075

From-SVN: r43072

2001-06-09  Benjamin Kosnik  <bkoz@redhat.com>

	* acinclude.m4 (GLIBCPP_CHECK_WCHAR_T_SUPPORT): Check for fgetwc,
	fgetws.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.
	* include/c_std/bits/std_cwchar.h: Remove duplicate fgetwc
	injection, guard fgetwc, fgetws.
	* include/c_std/bits/std_cstdio.h: Remove superfluous includes.
	* include/c_std/bits/std_clocale.h: And here.
	* include/c_std/bits/std_cctype.h: And here.
	* include/c_std/bits/std_cstdlib.h (strtof): Guard strtof injection.

	* config/basic_file_stdio.h: Don't include unistd.h.
	* config/c_io_stdio.h: Don't use compatibility headers.
	* libsupc++/eh_terminate.cc: Qualify abort.
	(__terminate): And here.
	* libsupc++/eh_catch.cc (__cxa_end_catch): Qualify abort.

From-SVN: r43070

2001-06-08  Benjamin Kosnik  <bkoz@redhat.com>

	* include/c_std/bits/std_cstdlib.h: Remove _Exit, strtof injections.

From-SVN: r43069

        * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
        (LIB_SPEC): Mirror config/linux.h version.

From-SVN: r43067

	* configure: Rebuilt.
	* configure.in: Compute new aux dir using `pwd'.

From-SVN: r43064

2001-06-08  Benjamin Kosnik  <bkoz@redhat.com>

	libstdc++/2767
	libstdc++/2989
	libstdc++/2992
	* include/std/*: Add copyright notice.
	* include/c_std/bits/*: Use using statements instead of extern "C".
	* include/c_std/bits/std_cmath.h: Don't overload double versions
	of math functions with __buitin versions, use global version to
	prevent ambiguities. Remove define hacks.
	* include/c_std/bits/std_cwchar.h: Using declarations for "C"
	functions that have changed signatures and std::
	declarations. Remove define hacks.
	* include/c_std/bits/std_cwchar.h: Same, plus remove ambiguous
	__builtins in std::. Remove define hacks.
	* testsuite/17_intro/headers_c.cc: Add tests.
	* testsuite/17_intro/headers_c++.cc: Add test.

From-SVN: r43061

        * except.c (get_exception_pointer, get_exception_filter): Take a
        struct function.  Update all callers.
        * except.h (get_exception_pointer): Update declaration.
        * expr.c (expand_expr): Update get_exception_pointer call.
        * integrate.c (expand_inline_function): Remap the exception pointer
        from callee to caller.

From-SVN: r43060

2001-06-08  Nicola Pero  <n.pero@mi.flashnet.it>

        * THREADS: Explain that when we compile libobjc inside GCC, we
        always use thr-objc.c as a backend, which uses GCC's thread code.

From-SVN: r43058

c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations accurately reflect its cv-qualification.

	* c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
	accurately reflect its cv-qualification.
	* c-typeck.c (type_lists_compatible_p): Ignore the top-levl
	cv-qualifiers on function types.

From-SVN: r43056