From-SVN: r36538

From-SVN: r36537

From-SVN: r36536

From-SVN: r36535

        * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
        in addition to pentium and pentiumpro symbols.
        (CPP_CPU_DEFAULT_SPEC): Likewise.

From-SVN: r36534

        * c-typeck.c (c_expand_asm_operands): Restore the output tree
        after expanding.

From-SVN: r36533

        * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
        if the tree has side effects.
        (warn_if_unused_value): Do not warn about void constructs.

From-SVN: r36532

From-SVN: r36531

From-SVN: r36530

        * unroll.c (copy_loop_body): Update LABEL_NUSES before
        calling invert_jump.

From-SVN: r36529

From-SVN: r36528

From-SVN: r36527

2000-09-18  Benjamin Kosnik  <bkoz@purist.soma.redhat.com>

	* src/locale-inst.cc: Add time_put_byname and
	time_get_byname instantiations.
	* bits/locale_facets.h: Correct default, private derivation to
	public derivation in _byname declarations.
	* src/locale.cc (locale::classic()): Simplify.
	* src/localename.cc (locale::_Impl:: _Impl(const _Impl& __other,
	const string& __name, category __cat, size_t __refs): Re-work for
	named locales.
	(_M_normalize_category_names): Remove.

	* testsuite/22_locale/global_templates.cc (test01): Tweaks.
	* testsuite/22_locale/ctor_copy_dtor.cc (test01): More tests.

From-SVN: r36526

	* combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
	into anything.

From-SVN: r36525

	* Makefile.in (c-common.o): Depend on diagnostic.h.

	* c-common.c: Include diagnostic.h.
	(tfaff): Delete.
	(status_warning): New function.
	(check_format_info, maybe_read_dollar_number, check_format_types,
	finish_dollar_format_checking, check_function_format): Accept a
	`status' parameter.  All callers changed.

	* c-common.h (check_function_format): Accept a `status' parameter.

	* c-typeck.c: Update call to `check_function_format'.

cp:
	* cp-tree.h (check_function_format): Accept a `status' parameter.

	* call.c, typeck.c: Updates calls to `check_function_format'.

From-SVN: r36524

        * c-decl.c (c_expand_body): Call mark_varargs before
        expand_function_start.

From-SVN: r36523

        * gcc.c-torture/execute/20000906-1.c: Move ...
        * gcc.dg/20000906-1.c: ... here.  Only run on targets
        that support __builtin_trap.

From-SVN: r36522

	* config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
	* config/rs6000/eabi-ci.asm: Likewise.

From-SVN: r36521

        * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
        for BImode.

From-SVN: r36520

	* unroll.c (loop_iterations): Pass increment to extend_for_giv_value
	before passing it to fold_rtx_mult_add.

From-SVN: r36518

Fix for IA-64 abort compiling xaaPCache.c from XFree86
	* unroll.c (final_giv_value): Pass increment through
	extend_value_for_giv before passing it to emit_iv_add_mult.

From-SVN: r36517

2000-09-18  Bruno Haible  <haible@clisp.cons.org>

	* intl/dcgettext.c: Outside libc, use local variable names that don't
	clash with those in libc.
	* intl/bindtextdom.c: Likewise.
	* intl/textdomain.c: Likewise.

From-SVN: r36516

	* function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
	paradoxical subreg, then directly substitute the replacement and
	return.

From-SVN: r36515

        * cpp.texi: Update documentation, including some clarifications,
        the treatment of various newline combinations, and space
        between backslash and newline.

From-SVN: r36514

	* sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
	Replace ASM_OUTPUT_LABELREF with assemble_name.

From-SVN: r36513

	* sh.c (addsubcosts): CONST is not cheap.
	(find_barrier): For Sh1, take alignment after jumps into account.

From-SVN: r36512

toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to remove all SETs of SUBREGs of hard registers.

2000-09-15  Andrew Haley  <aph@redhat.com>

        * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
        remove all SETs of SUBREGs of hard registers.
        * function.c (purge_hard_subreg_sets): New function.
        (purge_single_hard_subreg_set): New function.
        * rtl.h: (purge_hard_subreg_sets): New function.

From-SVN: r36511

	* config/ia64/ia64-protos.h: Update.
	* config/ia64/ia64.c (signed_inequality_operator): New.
	(ia64_expand_compare): New.
	(ia64_register_move_cost): Handle PR_REGS moves.
	(ia64_secondary_reload_class): Require a GR when moving to a PR.
	(struct reg_write_state): Add written_by_and/or.
	(struct reg_flags): Add is_and/or.
	(rws_update): Set them.
	(rws_access_regno): Test them to allow parallel comparisons.
	(rtx_needs_barrier): Recognize parallel comparisons.
	(emit_insn_group_barriers): Set prev_insn after a call stop bit.
	Call recog_memoized; ignore pred_rel_mutex.
	(emit_predicate_relation_info): Don't call find_basic_blocks here.
	(ia64_reorg): Do it here instead.
	* config/ia64/ia64.h: s/CCmode/BImode/g
	(MODES_TIEABLE_P): Don't tie BImode.
	(PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
	(CONST_COSTS): Pick sensible values for CONST_INT based on context.
	(RTX_COSTS): Make multiply 4 insns.
	(MEMORY_MOVE_COST): New.
	(PREDICATE_CODES): Update.
	* config/ia64/ia64.md: s/CCmode/BImode/g
	(movcci, movbi): New.
	(andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
	(cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
	(cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
	(tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
	(cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
	(cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
	(tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
	(mulsi, muldi): Use xmpy not xma.
	(cmpbi): New.
	(movcc, movcc_internal): Remove.
	(branch expanders): Use ia64_expand_compare.
	(setcc expanders): Likewise.
	(cmov insns): Use move_operand and ia64_move_ok.
	(pred_rel_mutex): Use unspec not unspec_volatile.  Prevent the
	scheduler from moving it past a use.
	* config/ia64/build.hacks: Remove.

From-SVN: r36510

	* cpphash.h (HASHSTEP): Take character rather than pointer
	to character.
	(_cpp_check_directive, _cpp_check_linemarker): Update prototypes.

	* cpphash.c (cpp_loookup): Update for new HASHSTEP.

	* cpplex.c (auto_expand_name_space, trigraph_replace,
	backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
	IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
	BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
	KNOWN_DIRECTIVE): Delete.

	(handle_newline, check_long_token, skip_escaped_newlines,
	unterminated): New functions.
	(ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.

	(parse_identifier): Was parse_name, new implementation.
	(skip_line_comment, skip_block_comment, skip_whitespace,
	parse_number, parse_string, trigraph_ok, save_comment,
	adjust_column, _cpp_get_line): New implementations.

	(lex_token): New function.  Lexes a token at a time, looking
	forwards.  Contains most of the guts of the old lex_line.
	(lex_line): New implementation, using lex_token to obtain
	individual tokens.
	(cpp_scan_buffer): Use the token's line, not the list's line.

	* cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
	 New implementations.
	(do_assert): Don't bother setting the answer's list's line.
	(cpp_push_buffer): Initialise new pfile and read_ahead members
	of struct cpp_buffer.

	* cpplib.h (cppchar_t): New typedef.
	(struct cpp_buffer): read_ahead, pfile and col_adjust are
	new members.
	(struct lexer_state): New structure that determines the state
	and behaviour of the lexer.
	(IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
	(struct cpp_reader): New member "state". Rename
	multiline_string_line and multiline_string_column. Delete
	col_adjust, in_lex_line members.
	(CPP_BUF_COLUMN): Update.

	* gcc.dg/cpp/cmdlne-C.c: Remove bogus warning test.

From-SVN: r36509

        * combine.c (simplify_comparison): Shift a NOT out of a single
        bit test.

From-SVN: r36508

        * combine.c (if_then_else_cond): Canonicalize BImode true to
        STORE_FLAG_VALUE.
        * explow.c (trunc_int_for_mode): Likewise.

From-SVN: r36507

        * combine.c (combine_simplify_rtx): Use gen_unary to distribute
        the NOT for De Morgan's rule.
        * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
        of a comparison to the reverse comparison.

From-SVN: r36506

2000-09-18  Yuri V. Baskakov  <yuribsk@lab.sun.mcst.ru>

	* bits/std_bitset.h (operator>>): Change to char_type.

From-SVN: r36505

From-SVN: r36504

        * machmode.def: Add BImode.  Add a column for bitsize.
        * machmode.h (DEF_MACHMODE): Adjust for extra column.
        (GET_MODE_BITSIZE): Use it.
        * rtl.c (DEF_MACHMODE): Adjust for extra column.
        (mode_bitsize): New.
        (mode_mask_array): Use bitsize.
        * combine.c (combine_simplify_rtx): Require inner and outer
        modes to match on nonzero_bits optimizations.

From-SVN: r36501

From-SVN: r36500

From-SVN: r36499

From-SVN: r36498

From-SVN: r36497

* config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
MAYBE_DEAD.
(sh_expand_epilogue): Take the PIC register into account when
computing the frame size.

From-SVN: r36496