* genrecog.c (nodes_identical): Expand commentary.
        (write_switch): Watch out for identical nodes.

From-SVN: r38989

        * gcc.dg/cpp/widestr1.c: Update.
        * gcc.dg/cpp/prag-imp.c: Remove.

From-SVN: r38988

        * cppfiles.c (_cpp_fake_include): New function.
        * cpphash.h (_cpp_fake_include): New.
        * cpplib.c (do_line): Call _cpp_fake_include when entering
        header files in preprocessed input.
        * cppmain.c (cb_pragma_implementation): Remove handling.
	(setup_callbacks): Don't register pragmas.

From-SVN: r38987

From-SVN: r38986

	* reload1.c: Add prototype for replace_pseudos_in_call_usage.

	* regmove.c: Add prototype for replace_in_call_usage.

From-SVN: r38985

        * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
        struct cpp_chunk, struct htab, struct toklist,
        struct cpp_context, CPP_STACK_MAX, struct lexer_state,
        struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
        CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
        ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h
        (struct macro_args): Delete.
        * cpphash.h: See above.

From-SVN: r38984

        * cppmain.c (struct printer): Remove no_line_dirs.
        (options, cb): New.
        (main, setup_callbacks, scan_buffer, printer_init, cb_define)
        : Use options rather than CPP_OPTION.
        (setup_callbacks): Use cb rather than pfile->cb.
        (main): No need to check for a buffer.  Use cpp_errors.
        (printer_init): Don't set no_line_dirs.
        (maybe_print_line): Use options not no_line_dirs.
        (cb_file_change): Don't call print_line if -P.

From-SVN: r38983

        * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
        callbacks.
        * c-parse.in (finish_parse): Use cpp_errors.
        (__yylex): Use return value of cpp_pop_buffer.
        * cp/lex.c (finish_parse): Use cpp_errors.
        * cp/spew.c (read_token): Use return value of cpp_pop_buffer.

From-SVN: r38982

From-SVN: r38981

	* c-decl.c (start_function): Don't warn if old prototype is builtin
	that's not in C's namespace.
	* libgcc2.c (_varargs): Update definition of __builtin_saveregs.
	(_bb): Add prototype for ctime.
	* config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.

From-SVN: r38980

	* i386.c (ix86_fp_comparison_arithmetics_cost,
	ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
	ix86_fp_comparison_cost): New functions.
	(ix86_expand_fp_compare): Use the costs to choose best bethod; add
	two new parameters SECOND_TEST and BYPASS_TEST; allow generating
	two-branch sequences; make static.
	(ix86_use_fcomi_compare): Do decision according to the costs.
	(split_fp_branch): New.
	* i386.md (compare-and-branch patterns): Use split_fp_branch.
	* i386-protos.h (ix86_expand_fp_compare): Remove
	(ix86_split_fp_branch): Declare.

	* i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
	and ix86_comparison_operator.

	* i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
	to make it cheaper.

	* i386.c (put_condition_code): Output properly the unordered/ordered
	compares in fp case.
	(ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.

	* tm.texi (REVERSE_CONDITION): Document.
	* i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
	in -ffast-math mode.
	* i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.

From-SVN: r38979

From-SVN: r38978

From-SVN: r38977

* config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
optimized away.

From-SVN: r38976

From-SVN: r38975

From-SVN: r38974

From-SVN: r38973

fix-header.c (read_scan_file): Use cpp_get_callbacks and cpp_get_options rather than dereferencing pfile and...

        * fix-header.c (read_scan_file): Use cpp_get_callbacks and
        cpp_get_options rather than dereferencing pfile and using
        CPP_OPTION.
        * scan-decls.c (scan_decls): Use return value of
        cpp_pop_buffer rather than CPP_BUFFER.

From-SVN: r38972

        * cppinit.c (cpp_handle_option): help_only is now part of the
        cpp_options structure.
        * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
        cpp_set_callbacks): New functions.
        * cpplib.h (cpp_callbacks): Break out as a named structure.
        (cpp_options): Move help_only here from cpp_reader.
        (CPP_FATAL_ERRORS): Update to use cpp_errors.
        (cpp_errors, cpp_get_options, cpp_get_callbacks,
        cpp_set_callbacks): New prototypes.
        * cppmain.c (main): Update for help_only.

From-SVN: r38971

Makefile.in (info, [...]): Also build and remove and install and uninstall c-tree.info and cppinternals.info.

	* Makefile.in (info, maintainer-clean, install-info, uninstall):
	Also build and remove and install and uninstall c-tree.info and
	cppinternals.info.
	($(srcdir)/gcc.info): Add dependency on contrib.texi.
	($(srcdir)/cppinternals.info): New target.
	* c-tree.texi: Change file name used when makeinfo used without -o
	from ir.info to c-tree.info.  Add info directory entry.
	* cppinternals.texi: Add info directory entry.
	* .cvsignore: Update.

cp:
	* Make-lang.in (c++.info, c++.install-info): Build and install g++
	internals info.
	(c++.uninstall, c++.maintainer-clean): Remove g++ internals info.
	($(srcdir)/cp/g++int.info): New target.
	* gxxint.texi: Add info directory entry.  Use @@ in email address.
	* .cvsignore: Update.

From-SVN: r38970

From-SVN: r38969

	* c-typeck.c (store_init_value): Don't require constant initializer
	elements with -pedantic -std=c99.
	(digest_init): Change error about non-constant initializer elements
	into pedwarn.
	(constructor_range_end): Remove.
	(constructor_incremental, designator_depth,
	designator_errorneous): New variables.
	(struct constructor_stack): Remove range_end, add incremental.
	(struct constructor_range_stack, constructor_range_stack): New.
	(struct initializer_stack): Add constructor_range_stack.
	(finish_init): Set it.
	(start_init): Likewise.  require_constant_elements for non-static
	trees only if not flag_isoc99.
	(really_start_incremental_init): Remove constructor_range_end, add
	constructor_incremental.
	(pop_init_level): Likewise.
	(push_init_level): Likewise.  If implicit and the subobject had some
	value set already, preinitialize the level with it.
	Warn about missing braces only if not pushing due to designators.
	(set_designator, push_range_stack): New functions.
	(set_init_label): Use them.
	(set_init_index): Likewise.  Remove constructor_range_end.
	Error if designator index is outside of array bounds.
	(add_pending_init): Compare values of purpose index trees, not the
	trees themselves.  Allow overwriting of already initialized element.
	Issue a warning if it had side-effects.
	(set_nonincremental_init, set_nonincremental_init_from_string): New
	functions.
	(pending_init_member): Rename to...
	(find_init_member): ...this function.  Call set_nonincremental_init
	if necessary.  Compare values of purpose index trees, not the trees
	themselves.  Return the actual value, not just non-zero if something
	is found.
	(output_init_element): Remove checks for duplicates.
	If field has zero size, only check the initializer for correctness.
	Call set_nonincremental_init if necessary.  Push RECORD/ARRAY into AVL
	if constructor_incremental is zero.  Change error about initializers
	not computable at load time into pedwarn.
	(output_pending_init_elements): Compare bit positions, not
	FIELD_DECLs to take into account zero-sized fields.
	(process_init_element): Use constructor_range_stack to fill all
	ranges in the designator lists from current level up.
	* extend.texi: Update documentation for labeled elements.

	* gcc.c-torture/execute/20000801-3.x: Remove.
	* gcc.dg/c90-init-1.c: New test.
	* gcc.dg/c99-init-1.c: New test.
	* gcc.dg/c99-init-2.c: New test.
	* gcc.dg/gnu99-init-1.c: New test.

From-SVN: r38968

	* gnu/awt/gtk/natGtkComponentPeer.cc (getLocationOnScreen):
	Wrote.
	(setCursor): Wrote.
	Include Cursor.h.
	* gnu/awt/gtk/natGtkLabelPeer.cc: New file.
	* gnu/awt/gtk/natGtkButtonPeer.cc: New file.
	* gnu/awt/gtk/gtkcommon.h (class _Jv_GdkThreadLock): New class.
	* gnu/awt/gtk/GtkLabelPeer.java: New file.
	* gnu/awt/gtk/GtkButtonPeer.java: New file.

From-SVN: r38967

From-SVN: r38966

From-SVN: r38965

calls.c (emit_library_call_value_1): Add USEs and CLOBBERs to function usage for arguments passed by reference.

* calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
to function usage for arguments passed by reference.  Optimize
callee-copied arguments.
* regmove.c (find_related_toplev): Find uses in function usage.
(replace_in_call_usage): New function.
(fixup_match_1): Call it.
* cse.c (cse_insn): Canonicalize registers in function usage.
* reload1.c (replace_pseudos_in_call_usage): New function.
(reload): Call it.

From-SVN: r38964

* Makefile.in: Reverted yesterday's wrong patch.  Installed the
right version.

From-SVN: r38963

2001-01-12  Benjamin Kosnik  <bkoz@redhat.com>

	* config/os/djgpp/bits/*: Fix dates.

	* include/bits/basic_string.h (_S_find(const _CharT* __beg, const
	_CharT* __end, _CharT __c): Remove.
	* include/bits/basic_string.tcc: Substitute traits::find for _S_find.
	* include/bits/char_traits.h: Tweak.

From-SVN: r38962

2001-01-12  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/basic_string.h (_S_find(const _CharT* __beg, const
	_CharT* __end, _CharT __c): Remove.
	* include/bits/basic_string.tcc: Substitute traits::find for _S_find.
	* include/bits/char_traits.h: Tweak.

From-SVN: r38961

	* config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
	not XEXP (tmp, 0).

From-SVN: r38960

* Makefile.in (bootstrap): rename stages to be mnemonic.  Add
restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
targets.

From-SVN: r38959

* acinclude.m4 (GLIBCPP_CHECK_CTYPE_SUPPORT): check for DJGPP <ctype.h>
(LIB_AC_PROG_CXX): replace [/\\] with [\\/] to work around older
bash bug.
* aclocal.m4: regenerated.
* configure.target: set os_include_dir to config/os/djgpp under DJGPP.
* configure: regenerated.
* config/os/djgpp, config/os/djgpp/bits: new directories.
* config/os/djgpp/bits/ctype_base.h,
config/os/djgpp/bits/ctype_inline.h,
config/os/djgpp/bits/ctype_noninline.h,
config/os/djgpp/bits/os_defines.h: new files.

From-SVN: r38958

	* java/lang/natSystem.cc: Include locale.h if it exists.
	* configure: Rebuilt.
	* configure.in: Check for locale.h.

From-SVN: r38957

	* cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
	tm.texi: Consistently refer to ISO C instead of ANSI C.  Refer to
	-std options alongside references to -ansi.  Update some
	documentation for C99.
	* cpp.1: Regenerate.

From-SVN: r38956

{save|restore}_machine_status

From-SVN: r38955

	* haifa-sched.c (restore_line_notes): Remove argument block B
	since it's unused.
	* sched-ebb.c (schedule_ebb): Change caller.
	* sched-rgn.c (schedule_region): Likewise.
	* sched-int.h (restore_line_notes): Adjust prototype.

From-SVN: r38954

Revert:
	* varasm.c (assemble_name): Ensure we output the stripped name.

From-SVN: r38953

* loop.h: Remove wrong declaration of doloop_condition_get.

Co-Authored-By: Jan Hubicka <jh@suse.cz>

From-SVN: r38952

f:
	* g77spec.c (lang_specific_driver): Update copyright year to 2001.

java:
	* gjavah.c (version), jcf-dump.c (version): Update copyright year
	to 2001.

From-SVN: r38951

2001-01-12  Phil Edwards  <pme@sources.redhat.com>

	* extend.texi:  Move C++-extension-related node from the C section
	  into the C++ section.

From-SVN: r38950