* regclass.c (record_operand_costs): Protect reg_changes_size
        with CLASS_CANNOT_CHANGE_SIZE.

From-SVN: r34238

From-SVN: r34237

From-SVN: r34236

* g++.old-deja/g++.law/refs4.C: Mark as XFAIL.
* g++.old-deja/g++.law/temps4.C: Likewise.

From-SVN: r34235

From-SVN: r34234

* g++.old-deja/g++.brendan/code-gen4.C: Include stdio.h and
stdlib.h.  Call abort() on failure.
* g++.old-deja/g++.law/refs4.C: Likewise.
* g++.old-deja/g++.law/temps4.C: Likewise.
* g++.old-deja/g++.brendan/complex1.C: Don't assume argc is 1.
* gcc.c-torture/execute/20000112-1.c: Include string.h.

From-SVN: r34233

* operators.def (<?): Duplicated, should have been...
(>?): this.  Fixed.

From-SVN: r34232

2000-05-28  Toon Moene  <toon@moene.indiv.nluug.nl>

	* bugs.texi: Note that debugging information for
	common block items is emitted now.
	* news.texi: Ditto.

From-SVN: r34231

        * function.c (diddle_return_value): A pcc-style struct return
        returns a pointer.

From-SVN: r34230

From-SVN: r34229

	* cppfiles.c: Read files in, using mmap if possible, then
	prescan them separately.
	(read_file, read_with_read): New functions.
	* cpplex.c: Don't define UCHAR_MAX.
	(_cpp_read_and_prescan): Rename to _cpp_prescan.  Don't read
	the file here.

	* cppinit.c (handle_option): Automatically define __cplusplus,
	__OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
	the respective -lang switch.

	* cpphash.h (enum node_type, struct hashnode, _cpp_lookup
	prototype): Move to...
	* cpplib.h: ... here.  Rename struct hashnode to struct
	cpp_hashnode and give it a typedef.  Rename _cpp_lookup to
	cpp_lookup.  Add 'fe_value' slot, a union tree_node *.

From-SVN: r34228

* config/rs6000/rs6000.md (movsi): Constify 'name'.

* regclass.c [CLASS_CANNOT_CHANGE_SIZE]
(class_can_change_size): New variable.
(reg_changes_size): New variable.
(init_reg_sets_1): Initialise class_can_change_size.
(record_operand_costs): Remove subreg_changes_size.
Don't pass it around.  Instead update reg_changes_size.
(regclass): Initialise and free reg_changes_size.  If a register
changes size, don't preference it to a class that contains
registers that can't change size.
(record_reg_classes): Don't look at subreg_changes_size.

From-SVN: r34227

	* conpr-1.C, conpr-2.C, conpr-3.C: Include stdlib.h.

	Relative to g++.old-deja:
	* g++.brendan/complex1.C, g++.jason/optimize2.C,
	g++.mike/p9732b.C, g++.other/addrof1.C, g++.other/dyncast5.C,
	g++.other/init5.C, g++.other/init7.C, g++.other/union2.C,
	g++.pt/vbase1.C, g++.robertl/eb14.C, g++.robertl/eh990323-1.C,
	g++.robertl/eh990323-2.C, g++.robertl/eh990323-3.C,
	g++.robertl/eh990323-4.C, g++.robertl/eh990323-5.C,
	g++.robertl/ice990323-2.C: Prototype exit and/or abort.

	* g++.brendan/nest21.C, g++.eh/rethrow3.C, g++.jason/init3.C,
	g++.law/arm15.C, g++.law/cvt2.C, g++.law/visibility17.C,
	g++.mike/eh23.C, g++.mike/eh25.C, g++.mike/eh34.C,
	g++.mike/eh48.C, g++.mike/eh55.C, g++.mike/p2736.C,
	g++.oliva/new1.C, g++.other/align.C, g++.robertl/eb39.C,
	g++.robertl/eb54.C, g++.robertl/eb63.C: Include stdlib.h
	and/or string.h.

	* g++.other/goto1.C: Update expectations for error messages.

From-SVN: r34226

        * print-rtl.c (reg_names): Remove const.
        * regclass.c (reg_names): Likewise.
        * regs.h (reg_names): Likewise.
        * hard-reg-set.h (reg_names): Likewise.

From-SVN: r34225

From-SVN: r34224

2000-05-27  Alex Samuel    <samuel@codesourcery.com>
	    Mark Mitchell  <mark@codesourcery.com>

	* cp-tree.h (ansi_opname): Make it a macro.
	(ansi_assopname): Likewise.
	(struct lang_decl_flags): Add assignment_operator_p.
	(struct lang_decl): Add operator_code.
	(DECL_VTT_PARM): Adjust.
	(DECL_OVERLOADED_OPERATOR_P): Return the operator_code for an
	overloaded operator.
	(SET_OVERLOADED_OPERATOR_CODE): New macro.
	(DECL_ASSIGNMENT_OPERATOR_P): New macro.
	(DECL_ARRAY_DELETE_OPERATOR_P): Adjust.
	(opname_tab): Remove.
	(assignop_tab): Likewise.
	(operator_name_info_t): New type.
	(operator_name_info): New variable.
	(assignment_operator_name_info): Likewise.
	(build_cp_library_fn): Remove declaration.
	(push_cp_library_fn): Likewise.
	(operator_name_string): Likewise.
	(build_decl_overload): Likewise.
	* call.c (print_z_candidates): Simplify.
	(build_object_call): Adjust usage of ansi_opname.  Use
	DECL_OVERLOADED_OPERATOR_P.
	(op_error): Adjust operator name lookup.
	(build_conditional_expr): Adjust usage of ansi_opname.
	(build_new_op): Likewise.
	(build_op_delete_call): Likewise.
	(build_over_call): Likewise.
	(joust): Use DECL_OVERLOADED_OPERATOR_P.
	* decl.c (duplicate_decls): Copy operator_code.
	(init_decl_processing): Adjust parameters to push_cp_library_fn.
	(builtin_function): Adjust parameters to build_library_fn_1.
	(build_library_fn_1): Accept an overloaded operator code.
	(build_library_fn): Pass ERROR_MARK.
	(build_cp_library_fn): Accept an overloaded operator code.
	(push_cp_library_fn): Likewise.
	(grokfndecl): Tweak.
	(grokdeclarator): Simplify code to compute names of overloaded
	operators.  Adjust use of ansi_opname.
	(ambi_op_p): Work on tree_codes, not identifiers.
	(unary_op_p): Likewise.
	(grok_op_properties): Likewise.
	(start_function): Use DECL_OVERLOADED_OPERATOR_P.
	(lang_mark_tree): Don't try to mark the operator_code.
	* decl2.c (grok_function_init): Use DECL_OVERLOADED_OPERATOR_P.
	* error.c (dump_decl): Remove special handling for operator
	names.
	(dump_function_name): Likewise.
	(dump_expr): Adjust name lookup of operators.
	(op_to_string): Simplify.
	(assop_to_string): Likewise.
	* init.c (build_new_1): Adjust use of ansi_opname.
	* lex.c (opname_tab): Remove.
	(assignop_tab): Likewise.
	(ansi_opname): Likewise.
	(ansi_assopname): Likewise.
	(operator_name_string): Likewise.
	(reinit_lang_specific): Likewise.
	(operator_name_info): New variable.
	(assignment_operator_name_info): Likewise.
	(init_operators): New function.
	(init_parse): Use it.
	(do_identifier): Adjust use of ansi_opname.
	* method.c (mangle_expression): Don't use ansi_opname for
	mangling.
	(build_decl_overload_real): Use DECL_OVERLOADED_OPERATOR_P.
	(build_decl_overload): Remove.
	(build_typename_overload): Use OPERATOR_TYPENAME_FORMAT directly.
	(do_build_assign_ref): Adjust use of ansi_opname.
	(synthesize_method): Likewise.
	(implicitly_declare_fn): Likewise.
	* operators.def: New file.
	* parse.y (operator): Adjust use of ansi_opname.
	* pt.c (tsubst_decl): Use IDENTIFIER_OPNAME_P.
	(set_mangled_name_for_template_decl): Don't play games with
	current_namespace.
	(special_function_p): Adjust use of ansi_opname.
	* typeck.c (check_return_expr): Likewise.
	* Make-lang.in (cc1plus): Depend on operators.def.
	* Makefile.in (lex.o): Likewise.
	(decl.o): Likewise.

Co-Authored-By: Mark Mitchell <mark@codesourcery.com>

From-SVN: r34223

alpha.c (alpha_does_function_need_gp): Test TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.

        * config/alpha/alpha.c (alpha_does_function_need_gp): Test
        TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
        (alpha_expand_prologue): Emit prologue_mcount if needed.
        * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
        * config/alpha/alpha.md (prologue_mcount): New.
        * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
        (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
        * config/alpha/netbsd.h: Likewise.

From-SVN: r34222

        * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
        change to config/elfos.h.

From-SVN: r34221

        * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
        with RTX_CODE.
        (alpha_write_linkage): Protect with BUFSIZ.
        (alpha_need_linkage): Update prototype.
        * config/alpha/alpha.c (function_arg): Move VMS code here.
        (alpha_links_base): Remove.
        (alpha_links): New.
        (mark_alpha_links_node, mark_alpha_links): New.
        (alpha_write_one_linkage): New.
        (alpha_need_linkage): Use a splay tree.  Build the linkage symbol.
        (alpha_write_linkage): Use splay_tree_foreach.
        * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
        to get the linkage symbol.
        (call_value_vms): Likewise.
        * config/alpha/elf.h (output_file_directive): Remove decl.
        (ctors_section, dtors_section): Prototype.
        (sbss_section, sdata_section): Prototype.
        * config/alpha/vms.h (FUNCTION_ARG): Remove.
        (readonly_section, link_section, literals_section): Prototype.
        (ctors_section, dtors_section): Prototype.
        (vms_valid_decl_attribute_p): Remove decl.
        (alpha_arg_type, alpha_arg_info_reg_val): Likewise.

From-SVN: r34220

        * Makefile.in (resource.o): Depend on except.h.
        * except.h (output_exception_table_data): Prototype.
        * genconfig.c (gen_peephole2): Prototype.
        * genemit.c (main): Include ggc.h.
        * genoutput.c: Revert parts of last change: include errors.h
        (main): Set progname.
        * recog.c: Include hard-reg-set.h before recog.h.
        * resource.c: Include except.h.

From-SVN: r34219

From-SVN: r34218

combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when substituting the REG in a (subreg:X (reg:Y...

* combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
substituting the REG in a (subreg:X (reg:Y ...)).

From-SVN: r34217

	* cpplex.c (_cpp_lex_line): Merge vertical space.  Flag
	first token of a line BOL.  Update EOF code for this.
	Remove illegal directive check - it appears in the (not
	yet committed) caller.
	* cpplib.h (BOL): New flag.

From-SVN: r34216

        * cpplex.c (_cpp_init_toklist): No comment space to initialise.
	(_cpp_free_toklist): No comment space to free.
	(expand_comment_space): Remove.
        (save_comment_space): Place the comment in the current token and
        not in a separate comment space.
        (_cpp_lex_line): Save comments during plain code and #define
        directives only.
        * cpplib.h (struct _cpp_toklist): Remove comment space.

From-SVN: r34215

	* cppexp.c (parse_assertion): Supply extra argument to
	_cpp_init_toklist.
	* cpplib.c (do_assert, do_unassert): Similarly.
	* cpphash.h (_cpp_init_toklist) Update.
	(_cpp_expand_token_space): New.
	(DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
	* cpplex.c (_cpp_init_toklist): New argument.
	(parse_string2): New argument multiline_ok.
	(spell_token): Take a const cpp_token *.
	(INIT_NAME): Replace with INIT_TOKEN_NAME.  Update tokens_used.
	(SPELL_ macros): Replace with enum.
	(expand_token_space): Replace with _cpp_expand_token_space.
	Take COUNT argument.
	(IS_DIRECTIVE): Update.
	(_cpp_lex_line): Update token structure before parsing number.
	Don't assume start at beginning of token list.
	(save_comment): Use INIT_TOKEN_NAME.

From-SVN: r34214

	* configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
	-Wmissing-prototypes.
	* configure: Regenerate.
	* gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.

	* builtins.c, calls.c: Change all instances of gen_call_* or
	gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
	* calls.c (struct_value_size_rtx): Separate definition from
	initialization to avoid unused variable warning.

	* genflags.c (gen_macro): New function.
	(gen_proto): Call it for gen_call_* and gen_sibcall_*.
	(gen_nonproto): Delete.
	(gen_insn): Put all insns on the same obstack.
	(main): Generate prototypes for everything unconditionally.

From-SVN: r34213

	* configure.in: Add AC_CHECK_TYPE(ssize_t).  Remove commented
	out check for wchar_t.
	* acconfig.h: Add template for ssize_t.  Remove @TOP@.
	* system.h: Add infrastructure for defining missing
	TYPE_MAX/TYPE_MIN macros.  Use it to provide fallback
	definitions of UCHAR_MAX and SSIZE_MAX.
	* configure: Regenerate.
	* config.in: Regenerate.

From-SVN: r34212

        * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
        Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
        headers.
        (clean): No need to delete libgcc1.a, libgcc1-asm.a,
        libgcc2.a, or libgcc1.null.

From-SVN: r34211

From-SVN: r34210

        * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
        (hard_int_register_operand): New.
        * config/alpha/alpha-protos.h: Declare it.
        * config/alpha/alpha.h (PREDICATE_CODES): Update.
        * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
        as needed; use peep2_reg_dead_p instead of dead_or_set_p.

From-SVN: r34209

	* Makefile.in (recog.o): Don't depend on resource.h.
	* recog.c: Don't include resource.h.
	(recog_last_allowed_insn): Remove.
	(recog_next_insn): Remove.
	(struct peep2_insn_data): New.
	(peep2_insn_data, peep2_current): New.
	(peep2_next_insn): New.
	(peep2_regno_dead_p, peep2_reg_dead_p): New.
	(peep2_find_free_register): New.
	(peephole2_optimize): Track life information by insn as we go.
	* recog.h: Update declarations.
	* resource.c (find_free_register, reg_dead_p): Remove.
	* resource.h: Remove their declarations.
	* toplev.c: Include hard-reg-set.h before recog.h.

	* genconfig.c (max_insns_per_peep2): New.
	(gen_peephole2): New.
	(main): Call it.
	* genemit.c (output_peephole2_scratches): Generate calls to
	peep2_find_free_register; adjust surrounding code.
	(main): Have insn-emit.c include hard-reg-set.h before recog.h.
	* genrecog.c (change_state): Don't track last_insn.
	(write_action): Write into *_pmatch_len before accepting.
	(write_tree): Adjust peephole2_insns and subroutines to match.

	* config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.

From-SVN: r34208

        * function.c (thread_prologue_epilogue_insns): Don't move the
        line note at the head of the chain.  Only force a lineno note
        before the end of block 0.

From-SVN: r34207

        * gensupport.c (collect_insn_data): Record the maximum number
        of alternatives, not the last seen.

From-SVN: r34206

        * genoutput.c: Don't include errors.h.
        (struct data): Add lineno member.
        (have_error): New.
        (scan_operands): Use message_with_line instead of error.
        (validate_insn_alternatives): Likewise.
        (gen_insn): Accept and store the pattern's line number.
        (gen_peephole, gen_expand, gen_split): Likewise.
        (main): Don't set progname.  Pass line_no to gen_foo.

From-SVN: r34205

        * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
        * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
        * config/d30v/d30v.md (attr predicable): New.
        (all insn patterns): Mark non-predicable patterns; use %: on the rest.
        (andsi3*): Unify into one pattern.
        (iorsi3*, xorsi3*): Likewise.
        (peephole2 patterns): Use peep2_reg_dead_p; verify not a
        conditional return.
        (old cond_exec patterns): Remove.
        (define_cond_exec): New.

From-SVN: r34204

	* tree.h (TREE_CODE_LENGTH): New macro.
	* c-common.c (c_find_base_decl): Use it.
	* expr.c (safe_from_p): Likewise.
	* print-tree.c (print_node): Likewise.
	* tree.c (make_node, copy_node, get_identifier): Likewie.
	(first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
	(build, build_nt, build_parse_node, simple_cst_equal): Likewise.
	* fold-const.c (make_range): Likewise.
	(fold): Likewise; also use first_rtl_op.
	* c-iterate.c (collect_iterators): Use first_rtl_op.
	* calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
	Use IS_EXPR_CODE_CLASS.
	(preexpand_calls): Likewise.
	* ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
	and TREE_CODE_LENGTH.
	* stmt.c (warn_if_unused_value): If no operands, no unused value.
	* ch/lang.c (deep_const_expr): Use first_rtl_op.
	* ch/satisfy.c (satisfy): Use TREE_CODE_LENGTH.
	* cp/method.c (mangle_expression): Use TREE_CODE_LENGTH.
	* cp/tree.c (break_out_calls, build_min_nt): Use TREE_CODE_LENGTH.
	(built_min, cp_tree_equal): Likewise.

From-SVN: r34203

From-SVN: r34202

* config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
than '%1(%*)'.
(movdi_internal64): Likewise.

From-SVN: r34201

* config/rs6000/rs6000.md: Correct order of operands for DImode
boolean patterns.

* config/rs6000/rs6000.c (boolean_or_operator): New function.
* config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
* config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
* config/rs6000/rs6000.md: Use boolean_or_operator instead of
boolean_operator for the boolean patterns without NOTs.

* config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
from reg_or_u_cint_operand.  Change comment and behaviour.
(logical_operand): Clean up, add assertion.
(non_logical_cint_operand): Also check for
reg_or_logical_cint_operand.
* config/rs6000/rs6000.h (PREDICATE_CODES): Update.
* config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
in the expander.
(xorsi3): Likewise.
(iordi3): Likewise.
(xordi3): Likewise.

From-SVN: r34200

	* tree.h (struct record_layout_info): Rename to (struct
	record_layout_info_s).
	* stor-layout.c (start_record_layout): Replace
	`record_layout_info' with `record_layout_info_s'.

	* class.c (layout_nonempty_base_or_field): Replace
	`record_layout_info' with `record_layout_info_s'.

From-SVN: r34199