From-SVN: r28963

        * jump.c (delete_prior_computation): Also check calls
        to constant functions.  Don't bother checking for a
        REG_UNUSED note before adding it.
        (delete_computation): Handle multi-word hard registers
        when synthesizing missing REG_DEAD notes for a register
        which is both set and used by an insn.

From-SVN: r28962

        * loop.c (this_loop_info): New variable.
        (loop_has_call, loop_has_volatile, loop_has_tablejump,
        loop_continue, loops_enclosed): Replace with fields in this_loop_info.
        All uses updated.
        (prescan_loop, strength_reduce): New argument loop_info.  All callers
        updated.
        (scan_loop): New variable loop_info, initialise to address of
        this_loop_info.
        (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
        Delete variable loop_has_multiple_exit targets and replace with
        field in this_loop_info.
        (find_and_verify_loops): Rename this_loop to this_loop_num.
        (strength_reduce): Delete loop_iteration_info.  Replace variable
        loop_info with function argument of same name.
        (insert_bct): Rework test for loop being completely unrolled.

        * loop.h (struct loop_info): New fields num, loops_enclosed,
        has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
        has_indirect_jump, and cont.  Redefine use of unroll_number.
        (loop_unroll_number): Delete.

        * unroll.c (unroll_loop): Store loop unroll count in unroll_number
        field of loop_info.
        (loop_iterations): Delete variable vtop and instead use
        loop_info->vtop computed in prescan_loop.

From-SVN: r28961

From-SVN: r28960

        * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
        filenames.
        * configure: Rebuilt.

From-SVN: r28959

From-SVN: r28958

        * jump.c (jump_optimize_1): Do not delete assignments to
        internal_arg_pointer.
        * cse.c (delete_trivially_dead_insns): Always consider a set of
        the internal_arg_pointer live.

From-SVN: r28957

	* cp-tree.h (strip_array_types): New function.
	* decl.c (maybe_deduce_size_from_array_init): New function, split
	out from cp_finish_decl.
	(layout_var_decl): Likewise.
	(maybe_commonize_var): Likewise.
	(maybe_inject_for_scope_var): Likewise.
	(initialize_local_var): Likewise.
	(build_cleanup_on_safe_obstack): Likewise.
	(check_initializer): Likewise.
	(make_rtl_for_nonlocal_decl): Likewise.
	(cp_finish_decl): Use them.
	* typeck.c (strip_array_types): New function.

From-SVN: r28956

From-SVN: r28954

From-SVN: r28951

	* cp-tree.def (LABEL_STMT): New tree node.
	(LABEL_STMT_LABEL): New macro.
	(shadow_label): Remove.
	(declare_local_label): New function.
	(finish_label_decl): Likewise.
	* decl.c (make_label_decl): New function, split out from
	lookup_label.
	(shadowed_labels): Remove.
	(binding_level): Add shadowed_labels.
	(clear_binding_level): Remove.
	(push_binding_level): Just bzero the new binding level.
	(pushlevel): Fix indentation.
	(pop_label): New function.
	(pop_labels): Likewise, split out from poplevel.
	(poplevel): Pop local labels.  Use pop_labels.
	(maybe_push_to_top_level): Don't clear shadowed_labels.
	(lookup_label): Use make_label_decl.
	(shadow_label): Remove.
	(declare_local_label): New function.
	(define_label): Simplify.
	(start_function): Don't clear shadowed_labels.
	(cp_function): Remove shadowed_labels.
	(push_cp_function_context): Don't save shadowed_labels.
	(pop_cp_function_context): Don't restore it.
	* dump.c (dequeue_and_dump): Handle LABEL_STMT.
	* parse.y (label_decl): Use finish_label_decl.
	* pt.c (tsubst_expr): Handle LABEL_STMTs, and local label
	declarations.
	* semantics.c (finish_label_stmt): Add a LABEL_STMT when
	building_stmt_tree.
	(finish_label_decl): New function.
	(expand_stmt): Handle LABEL_STMTs and local label declarations.

From-SVN: r28950

        * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
        (update_life_info) [REG_WAS_0]: Search the original insns rather
        than the new insns for the note.  Fix typos finding note_dest.
        If no dest found, discard the note rather than abort.
        [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
        (replace_insns): Remove the old insn list after update_life_info
        not before.

From-SVN: r28946

        * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
        sched_analyze_insn.
        (sched_analyze_1): Let add_dependence care for not adding dups.
        (sched_analyze_2): Likewise.
        (add_branch_dependences): Likewise.

From-SVN: r28945

        * i386/winnt.c (export_list): New type.
        (exports_head): Rename to
        (export_head):  this.
        (i386_pe_record_exported_symbol): Add is_data flag.
        (i386_pe_asm_file_end): Emit directive for exported variables.
        * i386/cygwin.h (i386_pe_record_exported_symbol): Update
        prototype.
        * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
        (ASM_DECLARE_OBJECT_NAME): Likewise.
        (ASM_DECLARE_FUNCTION_NAME): Likewise.
        * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.

From-SVN: r28944

	* cp-tree.def (LABEL_STMT): New tree node.
	(LABEL_STMT_LABEL): New macro.
	(shadow_label): Remove.
	(declare_local_label): New function.
	(finish_label_decl): Likewise.
	* decl.c (make_label_decl): New function, split out from
	lookup_label.
	(shadowed_labels): Remove.
	(binding_level): Add shadowed_labels.
	(clear_binding_level): Remove.
	(push_binding_level): Just bzero the new binding level.
	(pushlevel): Fix indentation.
	(pop_label): New function.
	(pop_labels): Likewise, split out from poplevel.
	(poplevel): Pop local labels.  Use pop_labels.
	(maybe_push_to_top_level): Don't clear shadowed_labels.
	(lookup_label): Use make_label_decl.
	(shadow_label): Remove.
	(declare_local_label): New function.
	(define_label): Simplify.
	(start_function): Don't clear shadowed_labels.
	(cp_function): Remove shadowed_labels.
	(push_cp_function_context): Don't save shadowed_labels.
	(pop_cp_function_context): Don't restore it.
	* dump.c (dequeue_and_dump): Handle LABEL_STMT.
	* parse.y (label_decl): Use finish_label_decl.
	* pt.c (tsubst_expr): Handle LABEL_STMTs, and local label
	declarations.
	* semantics.c (finish_label_stmt): Add a LABEL_STMT when
	building_stmt_tree.
	(finish_label_decl): New function.
	(expand_stmt): Handle LABEL_STMTs and local label declarations.

From-SVN: r28943

From-SVN: r28942

From-SVN: r28941

        * gjavah.c, jcf-write.c, verify.c: Do not use C++ style
        comments in C code.

From-SVN: r28940

        * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
        operand.

From-SVN: r28939

        * config/openbsd.h: Define SET_ASM_OP.
        * tm.texi: cross-reference SET_ASM_OP in the index.

From-SVN: r28938

1999-08-27 13:27 -0700  Zack Weinberg  <zack@bitmover.com>

	* rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
	for a CONST_DOUBLE, at compile time.  Initialize rtx_length
	and class_narrowest_mode at compile time.  Kill init_rtl.
	Mark rtx_length, mode_class, mode_size, mode_unit_size,
	mode_wider_mode, mode_mask_array, class_narrowest_mode, and
	rtx_format as const.  Kill all references to EXTRA_CC_MODES or
	EXTRA_CC_NAMES.
	* rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
	format.
	* rtl.h: Declare rtx_length and rtx_format as const.
	* machmode.def: Define CC().  Use CC() to define CCmode.  If
	EXTRA_CC_MODES is defined, expand it here.
	* machmode.h: Declare mode_class, mode_size, mode_unit_size,
	mode_wider_mode, mode_mask_array, and class_narrowest_mode as
	const.  Kill all references to EXTRA_CC_MODES.

	* toplev.c: Don't prototype or call init_rtl.
	* optabs.c: Don't call init_mov_optab.
	* genemit.c: Don't generate init_mov_optab.  Don't call
	init_rtl.
	* gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
	here.
	* genattr.c, genattrtab.c, gencodes.c, genconfig.c,
	genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
	genrecog.c: Don't call init_rtl.

	* arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
	rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES.  Use CC() in
	definition of EXTRA_CC_MODES.

	* md.texi: Kill ref to EXTRA_CC_NAMES.
	* tm.texi: Document new way to define EXTRA_CC_MODES.

	* genrecog.c: Do not look up the name of a define_split.
	(Unrelated bugfix.)

From-SVN: r28937

* g++.old-deja/g++.pt/derived3.C: Renamed from lss-001.C.
* g++.old-deja/g++.pt/ttp56.C: Renamed from lss-002.C.
* g++.old-deja/g++.pt/decl4.C: Renamed from lss-003.C.
* g++.old-deja/g++.pt/memtemp85.C: Renamed from lss-004.C.
* g++.old-deja/g++.pt/memtemp86.C: Renamed from lss-005.C.
* g++.old-deja/g++.pt/memtemp87.C: Renamed from lss-006.C.
* g++.old-deja/g++.pt/static10.C: Renamed from lss-007.C.
* g++.old-deja/g++.pt/memtemp88.C: Renamed from lss-008.C.
* g++.old-deja/g++.pt/memtemp89.C: Renamed from lss-009.C.
* g++.old-deja/g++.pt/memtemp90.C: Renamed from lss-010.C.
* g++.old-deja/g++.pt/memtemp91.C: Renamed from lss-011.C.

From-SVN: r28936

From-SVN: r28935

Oops.

From-SVN: r28933

From-SVN: r28932

From-SVN: r28931

From-SVN: r28928

* configure.in: Don't use shell ! to negate exit codes
* configure: Regenerate

From-SVN: r28927

function.c (assign_stack_temp_for_type): Fix change of Mar 5 for the fact that ALIGN is measured in bits, not bytes.

	* function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
	the fact that ALIGN is measured in bits, not bytes.

From-SVN: r28926

1999-08-27 00:27 -0700  Zack Weinberg  <zack@bitmover.com>

	* errors.c: New file; defines functions error, warning, and
	fatal, variables have_error and progname.
	* errors.h: New file; prototypes and decls for stuff in errors.c.

	* Makefile: Add rules to build errors.o and
	$(HOST_PREFIX)errors.o.  Link genconfig, gencodes, genemit,
	genopinit, genrecog, genextract, genpeep, genattr, and
	genoutput with errors.o.  Add errors.h to deps of genconfig.o,
	gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
	genpeep.o, genattr.o, and genoutput.o.

	* genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
	genextract.c, genpeep.c, genattr.c:  Include errors.h.  Don't
	define or prototype fatal.  Set progname at beginning of main.
	* genoutput.c:  Likewise, and don't define or prototype error
	either.

From-SVN: r28925

From-SVN: r28924

1999-08-27 00:27 -0700  Zack Weinberg  <zack@bitmover.com>

	* c-typeck.c (c_expand_start_case): Return immediately if exp
	is an ERROR_MARK.
	* fold-const.c (operand_equal_p): Return immediately if arg1
	or arg0 are ERROR_MARKs.
	* stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
	fields of type ERROR_MARK when calculating if the record can
	go in a register.

From-SVN: r28923

From-SVN: r28922

        * i386.md: In the 6 insns which call output_fix_trunc,
        earlyclobber operands[0].

From-SVN: r28921

        * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
        creating new registers.

From-SVN: r28920

1999-08-26 23:09 -0700  Zack Weinberg  <zack@bitmover.com>

	* i386.h: Declare ix86_cpu_string, ix86_arch_string,
	i386_reg_alloc_order, i386_regparm_string,
	i386_align_loops_string, i386_align_jumps_string,
	i386_align_funcs_string, i386_preferred_stack_boundary_string,
	and i386_branch_cost_string as type "const char *".
	* i386.c: Define all above strings as type "const char *".

From-SVN: r28919

	* decl.c (lookup_label): Build labels on the permanent obstack
	when building statement trees.  Don't build RTL for labels when
	building statement trees.
	* semantics.c (finish_goto_stmt): Use LABEL_DECLs even when
	building statement trees.
	(finish_label_stmt): Likewise.
	(expand_stmt): Adjust accordingly.
	* pt.c (tsubst_expr); Likewise.
	(do_decl_instantiation): Robustify.

From-SVN: r28918

From-SVN: r28917

	* cp-tree.h (AGGR_INIT_VIA_CTOR_P): New macro.
	* tree.c (build_cplus_new): Set it.
	* expr.c (cplus_expand_expr): Use it.
	* dump.c (deque_and_dump): Handle AGGR_INIT_EXPR.

From-SVN: r28916

	* cp-tree.h (AGGR_INIT_VIA_CTOR_P): New macro.
	* tree.c (build_cplus_new): Set it.
	* expr.c (cplus_expand_expr): Use it.

From-SVN: r28915