* print-rtl.c (print_rtx): If RTX code is bad, just say so.
	Also minor cleanups.

From-SVN: r47408

From-SVN: r47407

	* cse.c (true_dependence_in_rtx): New function.
	(invalidate): Use it.

	* c-common.h (GOTO_FAKE_P): New macro.
	* tree-inline.c (GOTO_FAKE_P): Set.
	* c-tree.texi (GOTO_FAKE_P): Document.

	* varasm.c (assemble_variable): Set reloc to 3 for error_mark
	containing pointers.
	(output_addressed_constants): Check for local/external relocations.
	* elfos.h (SELECT_SECTION): Classify data section.
	* tm.texi (SELECT_SECTION): Update documentation.

	* cfganal.c (flow_dfs_compute_reverse_add_bb): set visited bit.
	(flow_dfs_compute_reverse_execute): Add only unvisited blocks.

From-SVN: r47405

From-SVN: r47403

	    Jakub Jelinek  <jakub@redhat.com>

	* config/locale/moneypunct_members_gnu.cc
	(moneypunct<wchar_t>::_M_initialize_moneypunct): Correctly cast
	for ia64, others.
	* config/locale/numpunct_members_gnu.cc
	(numpunct<wchar_t>::_M_initialize_numpunct): Same.

From-SVN: r47402

2001-11-27  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/locale_facets.tcc: Formatting tweaks.

	* testsuite/23_containers/map_operators.cc: Don't xfail.
	* testsuite/23_containers/set_operators.cc: Same.
	* testsuite/backward/header_iterator_h.cc: Pass in -Wno-deprecated.
	* testsuite/backward/header_deque_h.cc: Same.

From-SVN: r47401

2001-11-27  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/locale_facets.tcc: Formatting tweaks.

	* testsuite/23_containers/map_operators.cc: Don't xfail.
	* testsuite/23_containers/set_operators.cc: Same.

From-SVN: r47400

2001-11-27  Benjamin Kosnik  <bkoz@redhat.com>

	Numeric facets cleanup.
	* include/bits/locale_facets.h (__num_base::_S_atoms): Add, remove
	+ and - signs.
	(__num_base::_M_zero): Add
	(__num_base::_M_e): Add.
	(__num_base::_M_E): Add.
	* include/bits/locale_facets.tcc (num_get::_M_extract): Remove.
	(num_get::_M_extract_float): New.
	(num_get::_M_extract_int): New.
	* src/locale.cc (num_get::_M_extract): Remove.

	* include/bits/locale_facets.tcc (num_put::_M_insert_float):
	Simplify, use _M_insert.
	(num_put::do_put(bool)): Simplify, remove __pad.
	(__pad): Remove.
	(__pad_output): Change to __pad.
	* include/bits/ostream.tcc: And here.
	* src/locale-inst: Remove instantiations.

	* include/bits/locale_facets.h: Move helper functions in to class
	num_put.
	(num_put::_M_insert_float): Same, for __output_integer.
	(num_put::_M_insert_int): Same, for __output_float.
	(num_put::_M_insert): New.
	(__num_base): Add.
	(__num_base::_S_format_float): Move
	__build_float_format into class __num_base.
	(__num_base::_S_format_int): Move __build_int_format into class
	__num_base.
	* include/bits/locale_facets.tcc (__group_digits): Change to
	(__add_grouping): This.
	* src/locale-inst.cc: And here. Tweak instantiations.
	* src/misc-inst.cc: Remove instantiations.

	* include/bits/ostream.tcc (__pad_char): Rename, adjust inserters
	for new calling conventions, move to...
	* include/bits/locale_facets.tcc (__pad_output): Here. Adjust
	signature to make it useful for both ostream and num_put.
	(__pad_numeric): Remove.
	* src/misc-inst.cc: Remove instantiations.
	* src/locale-inst.cc: Same.

	* include/bits/locale_facets.h (_Numeric_get): Remove.
 	(_Numeric_put): Remove.
	(num_get::get(short)): Remove.
	(num_get::get(int)): Remove.
	(num_get::do_get(short)): Remove.
	(num_get::do_get(int)): Remove.
	* include/bits/istream.tcc (istream::operator>>(short)): Fix as
	per DR 118.
	(istream::operator>>(int)): Same.

	* include/bits/locale_facets.h (_Format_cache): Remove.
	* include/bits/locale_facets.tcc: Same.
	* src/locale.cc: Same.
	* src/locale-inst.cc: Same.
	* include/bits/ostream.tcc: Same.
	* src/ios.cc (ios_base::imbue): Remove here as well.

	* testsuite/22_locale/num_get.cc: New file.
	* testsuite/22_locale/num_get_members_char.cc: New file.
	* testsuite/22_locale/num_get_members_wchar_t.cc: New.
	* testsuite/22_locale/numpunct_members_wchar_t.cc: New file.
	* testsuite/22_locale/num_put.cc: New file.
	* testsuite/22_locale/num_put_members_char.cc: New file.
	* testsuite/22_locale/num_put_members_wchar_t.cc: New file.
	* testsuite/27_io/ostream_inserter_arith.cc: Fix.
	* testsuite/27_io/istream_extractor_arith.cc: Fix.

From-SVN: r47399

basic_string.tcc (basic_string::_Rep::_S_create): Enforce allocation size blocking policy to reduce fragmentation and enhance...

2001-11-27  Loren J. Rittle  <ljrittle@acm.org>
            Paolo Carlini  <pcarlini@unitus.it>

        * include/bits/basic_string.tcc (basic_string::_Rep::_S_create):
        Enforce allocation size blocking policy to reduce
        fragmentation and enhance performance with common malloc
        implementations.

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

From-SVN: r47398

2001-11-27  Benjamin Kosnik  <bkoz@redhat.com>

	Numeric facets cleanup.
	* include/bits/locale_facets.h (__num_base::_S_atoms): Add, remove
	+ and - signs.
	(__num_base::_M_zero): Add
	(__num_base::_M_e): Add.
	(__num_base::_M_E): Add.
	* include/bits/locale_facets.tcc (num_get::_M_extract): Remove.
	(num_get::_M_extract_float): New.
	(num_get::_M_extract_int): New.
	* src/locale.cc (num_get::_M_extract): Remove.

	* include/bits/locale_facets.tcc (num_put::_M_insert_float):
	Simplify, use _M_insert.
	(num_put::do_put(bool)): Simplify, remove __pad.
	(__pad): Remove.
	(__pad_output): Change to __pad.
	* include/bits/ostream.tcc: And here.
	* src/locale-inst: Remove instantiations.

	* include/bits/locale_facets.h: Move helper functions in to class
	num_put.
	(num_put::_M_insert_float): Same, for __output_integer.
	(num_put::_M_insert_int): Same, for __output_float.
	(num_put::_M_insert): New.
	(__num_base): Add.
	(__num_base::_S_format_float): Move
	__build_float_format into class __num_base.
	(__num_base::_S_format_int): Move __build_int_format into class
	__num_base.
	* include/bits/locale_facets.tcc (__group_digits): Change to
	(__add_grouping): This.
	* src/locale-inst.cc: And here. Tweak instantiations.
	* src/misc-inst.cc: Remove instantiations.

	* include/bits/ostream.tcc (__pad_char): Rename, adjust inserters
	for new calling conventions, move to...
	* include/bits/locale_facets.tcc (__pad_output): Here. Adjust
	signature to make it useful for both ostream and num_put.
	(__pad_numeric): Remove.
	* src/misc-inst.cc: Remove instantiations.
	* src/locale-inst.cc: Same.

	* include/bits/locale_facets.h (_Numeric_get): Remove.
 	(_Numeric_put): Remove.
	(num_get::get(short)): Remove.
	(num_get::get(int)): Remove.
	(num_get::do_get(short)): Remove.
	(num_get::do_get(int)): Remove.
	* include/bits/istream.tcc (istream::operator>>(short)): Fix as
	per DR 118.
	(istream::operator>>(int)): Same.

	* include/bits/locale_facets.h (_Format_cache): Remove.
	* include/bits/locale_facets.tcc: Same.
	* src/locale.cc: Same.
	* src/locale-inst.cc: Same.
	* include/bits/ostream.tcc: Same.
	* src/ios.cc (ios_base::imbue): Remove here as well.

	* testsuite/22_locale/num_get.cc: New file.
	* testsuite/22_locale/num_get_members_char.cc: New file.
	* testsuite/22_locale/num_get_members_wchar_t.cc: New.
	* testsuite/22_locale/numpunct_members_wchar_t.cc: New file.
	* testsuite/22_locale/num_put.cc: New file.
	* testsuite/22_locale/num_put_members_char.cc: New file.
	* testsuite/22_locale/num_put_members_wchar_t.cc: New file.
	* testsuite/27_io/ostream_inserter_arith.cc: Fix.
	* testsuite/27_io/istream_extractor_arith.cc: Fix.

From-SVN: r47397

	* defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
	UNALIGNED_DOUBLE_INT_ASM_OP): Also provide defaults when we have
	OBJECT_FORMAT_ROSE.

From-SVN: r47396

	* config/cris/cris.c: Tweak spacing for prototypes.
	(LOSE_AND_RETURN): New macro.
	(cris_operand_lossage): New function.
	(cris_print_index, cris_print_base): Use cris_operand_lossage
	rather than fatal_insn.
	(cris_print_operand, cris_print_operand_address): Use
	LOSE_AND_RETURN rather than fatal_insn and internal_error.
	(cris_output_addr_const): Use LOSE_AND_RETURN and
	output_operand_lossage rather than fatal_insn and internal_error
	for valid but unexpected rtx expressions.

	* config/cris/cris.c (cris_split_movdx): Don't call alter_subreg
	for a SUBREG in src or dest, abort instead.

From-SVN: r47395

From-SVN: r47394

2001-11-27  DJ Delorie <dj@redhat.com>
	    Zack Weinberg  <zack@codesourcery.com>

	When build != host, create libiberty for the build machine.

	* Makefile.in (TARGET_CONFIGARGS, BUILD_CONFIGARGS): Replace
	CONFIG_ARGUMENTS.
	(ALL_BUILD_MODULES_LIST, BUILD_CONFIGDIRS, BUILD_SUBDIR):
	New variables.
	(ALL_BUILD_MODULES, CONFIGURE_BUILD_MODULES): New variables
	and rules.
	(all.normal): Depend on ALL_BUILD_MODULES.
	(CONFIGURE_TARGET_MODULES rule): Use TARGET_CONFIGARGS.
	(all-build-libiberty): Depend on configure-build-libiberty.

	* configure: Calculate and substitute proper value for
	ALL_BUILD_MODULES.
	* configure.in: Create the build subdirectory.
	Calculate and substitute TARGET_CONFIGARGS (formerly
	CONFIG_ARGUMENTS); also BUILD_SUBDIR and BUILD_CONFIGARGS (new).

libiberty:
2001-11-27  Zack Weinberg  <zack@codesourcery.com>

	* _doprnt.c: Moved here from gcc/doprint.c.  Adjust to build
	in libiberty context.  Fix typo in leading comment.
	* configure.in: Fix various AC_DEFINEs so autoheader works.
	If any of vprintf, vsprintf, vfprintf is missing from libc,
	then AC_REPLACE_FUNCS(_doprnt).

From-SVN: r47393

	* doc/passes.texi: Remove reference to c-dump.c. Update tree inlining
	doc.

From-SVN: r47392

2001-11-27  Phil Edwards  <pme@gcc.gnu.org>

	* docs/html/explanations.html:  New section, empty for now.
	* docs/html/17_intro/howto.html:  Cleanup.  Move unrelated link...
	* docs/html/23_containers/howto.html:  ...to here.  Break up and
	rewrap threading discussion to emphasize warning.  Move malloc text...
	* docs/html/ext/howto.html:  ...to here.  New section.  Describe
	allocators and __USE_MALLOC effects.
	* docs/html/ext/sgiexts.html:  Mention their code.

From-SVN: r47391

	* gcc.c (ASM_DEBUG_SPEC): Use conditional expression rather than
	preprocessor define.  If only DBX_DEBUGGING_INFO or only
	DWARF2_DEBUGGING_INFO is supported for the target, provide
	appropriate definitions.

From-SVN: r47390

From-SVN: r47389

	* cpphash.c (_cpp_init_hashtable): Update.
	* cpphash.h (struct spec_nodes): Remove n_L.
	* cpplex.c (_cpp_lex_direct): Check for prefix L separately.

	* Makefile.in: Update, and add c-objc-common.o dependencies.
	* c-lang.c: Remove unnecessary includes.
	(c_init): Move bulk of code to c_objc_common_init, and call it.
	(c_tree_printer, c_missing_noreturn_ok_p, c_disregard_inline_limits,
	inline_forbidden_p, c_cannot_inline_tree_fn): Move to
	c-objc-common.c.
	* c-objc-common.c: New.  Mostly pulled from c-lang.c.
	* c-tree.h (c_disregard_inline_limits, c_cannot_inline_fn,
	c_objc_common_init, c_missing_noreturn_ok_p): New.
	* toplev.c: Update comment.
	* doc/passes.texi: Update.
	* objc/ojbc-act.c (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
	LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
	LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Override.
	(objc_init): Update to use c_objc_common_init.

From-SVN: r47388

        * unroll.c (loop_iterations): Move last change ...
        * doloop.c (doloop_modify_runtime): ... here.

From-SVN: r47387

        * unroll.c (loop_iterations): Detect one situation in which we
        overestimate the number of iterations.

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

From-SVN: r47386

	* gcc.c (set_collect_gcc_options): New function, split out from
	main.
	Ignore elided switches.
	(do_spec): Invoke before executing command.
	(do_spec_1): Likewise.
	Fixes PR other/3968.

	* gcc.c (set_input): Export.
	Move declaration ...
	gcc.h (set_input): ... here.

	java:
	* jvspec.c (jvgenmain_spec): Cannot use %umain, breaks
	ASM_FINAL_SPEC.
	(lang_specific_pre_link): Use set_input to set input_filename.
	Append `main' here.
	* jvgenmain.c (usage): Append literal `main' to CLASSNAME.
	(main): Fix definition.
	Strip `main' from classname.
	Fixes PR java/227.

From-SVN: r47385

From-SVN: r47384

From-SVN: r47382

	* config/i386/sol2.h (WINT_TYPE): Redefine.
	(WINT_TYPE_SIZE): Likewise.

From-SVN: r47381

	* collect2.c: Check HAVE_DUP2 instead of NO_DUP2.
	(dup2): Make static and add prototype.
	* m68k/plexus.h: Don't define NO_DUP2.
	* configure.in (AC_CHECK_FUNCS): Add dup2.
	* config.in, configure: Regenerate.

From-SVN: r47379

	* ia64/aix.h (REG_SIZE): Don't #undef.
	* sparc.h (REG_SIZE): Delete.
	* flow.c (mark_used_regs): Don't use REG_SIZE.
	* regs.h (REG_SIZE): Delete.

From-SVN: r47378

	* gcc.c: Fix typo PREFERRED_DEBUGGING_FORMAT ->
	PREFERRED_DEBUGGING_TYPE.

From-SVN: r47377

	* Makefile.in (c-lang.o): Depends on langhooks-def.h.
	(expr.o, varasm.o): Depends on langhooks.h.
	* c-common.c (c_safe_from_p): Always declare.
	(c_expand_expr): Refine when declared.
	* c-lang.c (c-common.h): Now include.
	(LANG_HOOKS_SAFE_FROM_P): Define new hook.
	(c_init): Don't set lang_safe_from_expr.
	* expr.c (langhooks.h): Now include.
	(lang_safe_from_p): No longer define.
	(safe_from_p): Use lang hook.
	(expand_expr): Set IGNORE if VOID_TYPE result of VIEW_CONVERT_EXPR too.
	(expand_expr, case VIEW_CONVERT_EXPR): Pass ro_modifier down.
	* expr.h (lang_expand_constant, lang_safe_from_p): Delete.
	* langhooks-def.h (lhd_return_tree, lhd_safe_from_p): New decls.
	(LANG_HOOKS_EXPAND_CONSTANT, LANG_HOOKS_SAFE_FROM_P): New hooks.
	* langhooks.c (lhd_return_tree, lhd_safe_from_p): New functions.
	* langhooks.h (struct lang_hooks): New fields expand_constant
	and safe_from_p.
	* output.h (output_constant): Size arg is HOST_WIDE_INT.
	* stmt.c (expand_decl_init): No longer need to expand constant
	for CONST_DECL.
	* stor-layout.c (put_pending_size): Don't check for SAVE_EXPR.
	* toplev.c (lang_expand_constant): Delete var.
	* tree.c (save_expr): Don't put another SAVE_EXPR around simple
	operations on SAVE_EXPR.
	* varasm.c (langhooks.h): Now include.
	(compare_constant_1): Use lang_hooks, not lang_expand_constant.
	(record_constant_1, output_addressed_constants): Likewise.
	(initializer_constant_valid_p, output_constant): Likewise.
	(output_constant_def): Process no-defer of string constant.
	(output_addressed_constants, case ADDR_EXPR): Use handled_component_p.
	(output_constant): Strip more conversions.
	Track our size and pad for the rest.
	(array_size_for_constructor): Remove code for non-byte STRING_CST.
	(output_constructor): SIZE now HOST_WIDE_INT.
	* cp/Make-lang.in (cp-lang.o): Depends on c-common.h.
	* cp/cp-lang.c (c-common.h): Include.
	(LANG_HOOKS_EXPAND_CONSTANT, LANG_HOOKS_SAFE_FROM_P): New hooks.
	* cp/decl.c (cxx_init_decl_processing): Don't set lang_safe_from_p.
	* cp/expr.c (init_cplus_expand): Don't set lang_expand_constant.

From-SVN: r47376

        * ifcvt.c (noce_try_store_flag_constants): Test for overflow
        in computing DIFF.

From-SVN: r47374

2001-11-27  Laurent Guerby  <guerby@acm.org>

	* Makefile.in: Regenerate Ada dependencies.

From-SVN: r47373

From-SVN: r47371

From-SVN: r47370

From-SVN: r47369

From-SVN: r47368

From-SVN: r47367

From-SVN: r47365

        * config/ia64/sysv4.h (DBX_DEBUGGING_INFO): Undef.
        * config/ia64/aix.h (PREFERRED_DEBUGGING_TYPE): Remove
        commented out override.

From-SVN: r47364

	* cppfiles.c (stack_include_file): Don't optimize zero-length
	files.
	(read_include_file): NUL-terminate read files.
	* cpplex.c (handle_newline, skip_escaped_newlines,
	get_effective_char, skip_whitespace, parse_identifier,
	parse_identifier_slow, parse_number, parse_string,
	_cpp_lex_direct): Optimize for the fact that buffers are guaranteed
	NUL-terminated.
	* cpplib.c (destringize_and_run, cpp_define, handle_assertion):
	Be sure buffers are NUL terminated.
	* cppmacro.c (warn_of_redefinition): Kill compile warning.

	* c-common.c: Include tree-inline.h.
	(c_language): Move separate definitions here.
	(c_common_init_options, c_common_post_options): New.
	(c_common_lang_init): Rename c_common_init.
	* c-common.h (c_common_lang_init): Similarly.
	(c_common_init_options, c_common_post_options): New.
	* c-lang.c (c_post_options): Move body to c_common_post_options.
	(c_init_options): Use c_common_init_options.
	(c_init): Update.
	* langhooks.def: Rearrange.
	* langhooks.h: Rearrange, and improve comments.
	* toplev.c (do_compile): New function.
	(toplev_main): Use it.
	(lang_independent_f_options, parse_options_and_default_flags,
	process_options): Remove trailing periods.
	* Makefile.in: Update.
cp:	* decl2.c (c_language): Move to c-common.c.
	* lex.c (cxx_post_options, cxx_init_options): Use c-common.c
	functions.
	(cxx_init): Update.
objc:	* objc-act.c (objc_post_options, objc_init_options): Use c-common.c
	functions.
	(ojbc_init): Update.

From-SVN: r47362

From-SVN: r47361