* final.c (final_scan_insn): Remove extra extract_insn call;
	Use caching for constrain_operands.
	(cleanup_subreg_operands): Use caching for extract_insn.
	* recog.c (constrain_operands_cached): New.
	* recog.h (constrain_operands_cached): Declare.
	* i386.c (ix86_attr_length_immediate_default,
	ix86_attr_length_address_default, ix86_agi_dependant): Cache
	extract_insn call.

	* recog.c (asm_noperands): Tweak.
	(extract_insn): Do not call asm_noperads for non-asm instructions.

From-SVN: r36665

	* recog.c (recog_memoized): Rename to recog_memoized_1.
	* recog.h (recog_memoized): Rename to recog_memoized_1.
	(recog_memoized): New macro.
	* rtl.h (single_set): Rename to single_set_1
	(single_set): New macro.
	* rtlanal.c (single_set): Rename to single_set_1;  expect clobbers
	to be last.

	* i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
	Do not use match_dup of input operands at outputs.
	Use register_operand for memory expression.
	(rep_movsi): Put use last, canonicalize.
	Use register_operand for memory expression.
	(rep_movqi): Put use last.
	Use register_operand for memory expression.
	(strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
	of input operands at outputs.  Use register_operand for memory
	expression.
	(rep_stossi): Put use last; canonicalize; fix match_dup in
	the address expression
	(rep_stosqi): Likewise.
	(memcmp expander): Update calls.
	(cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
	the clobbers.

	* i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
	VOIDmode.
	(fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.

From-SVN: r36664

From-SVN: r36663

2000-09-28  David O'Brien  <obrien@FreeBSD.org>
	* config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
	Contains the old contents of config/i386/freebsd.h
	* config/i386/freebsd.h: Now the ELF rather than a.out config file.
	Contains the old contents of config/i386/freebsd-elf.h
	* config/i386/freebsd-elf.h: Retire this file -- contents moved to
	config/i386/freebsd.h.
	* configure.in: Adjust for above changes.
	* po/POTFILES.in: Likewise.
	* po/en_GB.po: Likewise.
	* po/gcc.pot: Likewise.
	* configure: Rebuilt.

Approved by:  Richard Henderson <rth@cygnus.com>
              Message-ID: <20000927093029.A30906@cygnus.com>

From-SVN: r36662

	2000-09-28  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
	* doloop.c (doloop_modify): Prevent delete_insn() from
	deleting too much.  Prefer loop->top over loop->start as
	target for the new JUMP insn.
	(doloop_valid_p): Ignore loop with exit_count != 0.

From-SVN: r36661

From-SVN: r36660

2000-09-28  Philipp Thomas  <pthomas@suse.de>

	* invoke.texi (i386 Options): Add athlon to table of possible
	choices for -mcpu=.

From-SVN: r36659

	* diagnostic.h (output_clear_message_text): New function.
	(output_message_text): New macro.

	* diagnostic.c (clear_text_info): Rename to
	output_clear_message_text.
	(output_clear): Adjust.
	(output_finish): Rename to output_finalize_message.  Tweek.
	(output_to_stream): Adjust.

From-SVN: r36658

From-SVN: r36657

From-SVN: r36656

cpperror.c (_cpp_begin_message): Do the test for suppression of warnings and pedantic warnings before the "is a...

	* cpperror.c (_cpp_begin_message):  Do the test for suppression
        of warnings and pedantic warnings before the "is a warning an
        error" tests.
	* cppinit.c (cpp_handle_option): Remove surplus \n.
	* cpplex.c (ON_REST_ARG): Delete.
	(skip_block_comment): Initialise prevc.
	(parse_args): Improve error messages.
	(maybe_paste_with_next): Use CONTEXT_VARARGS rather
	than ON_REST_ARG.
	* cpplib.c (cpp_push_buffer): Fix grammar in message.
	* cppmain.c (main): Set callbacks for #ident and #pragma
	only if no_output option is false.
	(do_pragma_implementation): Only call the #pragma handler
	if it is set in the cpp_reader structure.

From-SVN: r36655

From-SVN: r36654

	* extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
	use @uref for formatting URLs.

From-SVN: r36653

From-SVN: r36652

* config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
name and prefix.

From-SVN: r36651

	* java/awt/Scrollbar.java (removeAdjustmentListener): Use
	`remove', not `add'.

From-SVN: r36650

From-SVN: r36649

From-SVN: r36648

2000-09-26  Alexandre Petit-Bianco  <apbianco@cygnus.com>

	* java/lang/natSystem.cc (file_encoding): Added return statement.

From-SVN: r36647

	* gcc.c (cpp_options): Add spec for -ftabstop=.
	(invoke_as): New spec that handles invoking as.
	Update specs to handle -save-temps and -traditional.
	* ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
	Use invoke_as.
	* cp/lang-specs.h, objc/lang-specs.h: Update to use
	invoke_as, and handle -save-temps and -traditional (if
	appropriate).

From-SVN: r36646

	* config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
	op0 is a SUBREG.
	(function_arg_slotno): Accept TImode/CTImode.
	* config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
	to UNITS_PER_WORD.

        * gcc.c-torture/compile/20000923-1.c: New test.

From-SVN: r36645

	* flow.c (flow_loop_pre_header_scan): Punt if loop enters
	from entry block.

From-SVN: r36644

From-SVN: r36643

	* config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
	(REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
	(LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
	(REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.

From-SVN: r36640

        * cpplex.c (parse_args): Don't set VOID_REST flag.
	(Fix diagnostic merge problem).
        (CONTEXT_VARARGS): New flag.
        (maybe_paste_with_next): Set context earlier in loop.  Use
        it.  Do varargs test with CONTEXT_VARARGS flag.
        (push_arg_context): Set CONTEXT_VARARGS flag if we're
        pushing an argument context for a varargs argument.
        * cpplib.h (VOID_REST): Delete.
        * gcc.dg/cpp/vararg1.c: Add test case.

From-SVN: r36638

2000-09-26  Philipp Thomas  <pthomas@suse.de>

	* Makefile.in.in: Remove stamp-check-pot from list
	of default targets as checks are only possible in a
	complete source tree and all languages configured.

From-SVN: r36637

2000-09-25  Branko Cibej  <branko.cibej@hermes.si>

        * flags.h:  Declare warning flag warn_system_headers.
        * toplev.c:  Define it.
        (W_options): Add option -Wsystem-headers.
        * diagnostic.c (count_error): Test warn_system_headers.
        * invoke.texi:  Add description for -Wsystem-headers.
	* cpplib.h (cpp_options): New member warn_system_headers.
	* cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
	CPP_IN_SYSTEM_HEADER.
	* cpplib.c (do_import, do_pragma_once): Likewise.
	* cpperror.c (_cpp_begin_message): Test warn_system_headers
	and CPP_IN_SYSTEM_HEADER.
	* cppinit.c (handle_option): Recognize -Wsystem_headers.
	(print_help): Describe -Wsystem_headers.
	* cpplex.c (lex_line): Reorganize condition so that warnings
	about C++ comments in system headers can be enabled. Remove
	label do_line_comment.

From-SVN: r36636

	* cpplex.c (save_comment): Only store the initial '/'
	now.
	(lex_token): Combine handling of the two comment types.
	Pass everything but the initial '/' to save_comment.

From-SVN: r36635

	* cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
	_cpp_can_paste): New library-internal prototypes.
	* cpplex.c (dump_param_spelling, output_line_command,
	output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
	cpp_printf, cpp_output_list): Move to cppoutput.c.
	(process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
	* cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
	cppoutput.c.
	* cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
	dump_param_spelling, output_line_command, cpp_scan_buffer,
	cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
	from elsewhere.
	* Makefile.in: Add cppoutput.c.
	* po/POTFILES.in: Add cppoutput.c.

From-SVN: r36634

2000-09-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>

	* g++.old-deja/g++.other/crash20.C: Make ready for libstdc++-v3.
	* g++.old-deja/g++.pt/ttp62.C: Same.
	* g++.old-deja/g++.other/inline14.C: Same.

From-SVN: r36633

        * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
        * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
        split until after reload.
        (rotlsi3, rotldi3): New.

From-SVN: r36632

2000-09-25  Phil Edwards  <pme@sources.redhat.com>

	* docs/documentation.html:  Add link to...
	* docs/ext/howto.html:  ...this.  New dir/file, describing library
	  extensions (both ours and SGI's).
	* docs/faq/index.html:  Small updates.
	* docs/faq/index.txt:  Regenerate.

From-SVN: r36631

From-SVN: r36630

	* diagnostic.c (output_last_position): Define.
	(set_real_maximum_length): Tweek.
	* diagnostic.h (output_last_position): Declare.

From-SVN: r36629

2000-09-25  Kazu Hirata  <kazu@hxi.com>

	* config/i386/i386.c: Fix formatting.

From-SVN: r36628

From-SVN: r36627

2000-09-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>

        * bits/basic_file.h (_M_open_mode): Remove extra qualifier.

From-SVN: r36626

        * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
        UNITS_PER_WORD is small.

From-SVN: r36625

2000-09-25  Levente Farkas  <lfarkas@mindmaker.hu>

	* ext/stl_hashtable.h (_M_copy_from): Change __copy to __local_copy.

From-SVN: r36624

	* c-common.c (format_char_info): Add flags2; update comments.
	(print_char_table, scan_char_table, time_char_table): Split some
	flags out into flags2.
	(check_format_info): Use flags2 for those flags, for identifying
	the initial character of a scanf scanset, and for identifying
	printf formats where the '0' flag is ignored with precision.

From-SVN: r36623