* rtl.def (SS_ASHIFT, SS_NEG): New codes.
	* doc/rtl.texi: Document them.
	* simplify-rtx.c (simplify_unary_operation,
	simplify_binary_operation_1): Don't abort when we see them.

From-SVN: r113227

2006-03-30  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>

	PR target/26734
	* rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
	* target.h (struct gcc_target.speculate_insn): Change type of the
	second parameter to 'int'.
	* lists.c (alloc_DEPS_LIST): Change signature.  Update reference to
	the second operand of the DEPS_LIST.
	(copy_DEPS_LIST_list): Update reference	to the second operand of the
	DEPS_LIST.
	* rtl.h (alloc_DEPS_LIST): Update signature.
	* sched-int.h (ds_t): Change typedef to 'int'.
	(DEP_STATUS, BITS_PER_DEP_STATUS): Update.

From-SVN: r112538

	Revert my 2006-03-27 patches.

From-SVN: r112456

2006-03-27  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>

	* rtl.def (Copyright): Update date.
	(DEPS_LIST): Change type of the second operand to 'int'.
	* target.h (Copyright): Update date.
	(struct gcc_target.speculate_insn): Change type of the second parameter
	to 'int'.
	* lists.c (Copyright): Update date.
	(alloc_DEPS_LIST): Change signature.  Update reference to the second
	operand of the DEPS_LIST.
	(copy_DEPS_LIST_list): Update reference	to the second operand of the
	DEPS_LIST.
	* rtl.h (Copyright): Update date.
	(alloc_DEPS_LIST): Update signature.
	* sched-int.h (Copyright): Update date.
	(ds_t): Change typedef to 'int'.
	(DEP_STATUS, BITS_PER_DEP_STATUS): Update.

From-SVN: r112428

2006-03-16  Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
            Andrey Belevantsev <abel@ispras.ru>

	* ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
        * lists.c (unused_deps_list): New variable.
	(free_list): Add assertions to verify the proper distinguishing 
        between INSN_LISTs and DEPS_LISTs.
        (find_list_elem, remove_list_elem, remove_list_node): New static
	functions.
        (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
        remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
        remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
        (alloc_INSN_LIST): Assert that the list we're working on is indeed
	an INSN_LIST.
        (free_INSN_LIST_node): Likewise.
	* modulo-sched.c (current_sched_info): Initialize flags field.
	* reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
	* rtl.def (DEPS_LIST): Define.
        * rtl.h: Declare new functions from lists.c.
        * sched-deps.c (spec_dependency_cache): New static variable.
        (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
        (add_dependence): Change return type to void.  Move the logic to ...
        (add_or_update_back_dep_1): ... here.  Handle speculative dependencies.
        (delete_all_dependences): Add comment about forward_dependency_cache.
	Handle spec_dependency_cache.  Handle DEPS_LISTs.
        (fixup_sched_groups): Clarify the change of priority of output
        and anti dependencies.
        (sched_analyze_2): Adjust add_dependence calls to create data
	speculative dependence.
        (add_forward_dependence): Renamed to add_forw_dep, change prototype.
	Adjust all callers.  Handle DEPS_LISTS.
        (compute_forward_dependences): Use add_forw_dep.  Sort LOG_LINKs in
	presence of speculation.
        (init_dependency_caches, free_dependency_caches):
	Handle spec_dependency_cache.
        (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
	estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
	New static functions.
        (add_or_update_back_dep, add_or_update_back_forw_dep,
	add_back_forw_dep, delete_back_forw_dep): New functions.
	* sched-int.h (ds_t, dw_t): New typedefs.
	(struct sched_info): Add new field flags.
	(struct haifa_insn_data): Add new bitfield has_internal_dep.
	Prototype new sched-deps.c functions.
        (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
	(BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
	MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
	BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
	SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
	SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
	New constants.
        (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
	New enums.
	* sched-rgn.c (current_sched_info): Initialize flags field.
	(schedule_insns): Initialize current_sched_info before the sched_init
	call.
	* sched-ebb.c (current_sched_info): Initialize flags field.
	(add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
	Call add_or_update_back_dep instead of add_dependence.
	Create control speculative dependencies.
	(schedule_insns): Initialize current_sched_info before the sched_init
	call.

Co-Authored-By: Andrey Belevantsev <abel@ispras.ru>

From-SVN: r112125

        * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
        * rtl.h (LABEL_NEXTREF): Remove field accessor.

From-SVN: r111969

	(define_memory_constraint, define_address_constraint): New MD forms.
	* gensupport.c (process_rtx): Put define_constraint etc on the
	predicate queue.
	* genpreds.c (process_define_predicate): Adjust comment.  Validate
	the name, and call validate_exp to validate the expression.
	(mark_mode_tests, write_extract_subexp): Can assume correct input.
	(write_predicate_expr): Likewise.  NAME argument no longer necessary;
	all callers changed.
	(validate_exp, needs_variable, struct constraint_data)
	(constraints_by_letter_table, first_constraint, last_constraint_ptr)
	(FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
	(const_dbl_constraints, constraint_max_namelen)
	(have_register_constraints, have_memory_constraints)
	(have_address_constraints, have_address_constraints)
	(have_extra_constraints, have_const_int_constraints)
	(have_const_dbl_constraints, mangle, add_constraint)
	(process_define_constraint, process_define_register_constraint)
	(write_enum_constraint_num, write_lookup_constraint)
	(write_insn_constraint_len, write_regclass_for_constraint)
	(write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
	(write_insn_extra_memory_constraint)
	(write_insn_extra_address_constraint)
	(write_satisfies_constraint_fns): New.
	(write_tm_preds_h): If we have new-style constraint definitions,
	prototype the functions generated from them, and define the
	old constraint interface (still used by generic code) in terms of
	those functions.
	(write_insn_preds_c): If we have new-style constraint definitions,
	generate all relevant functions from those definitions.
	(main): Handle define_constraint etc.
	* genoutput.c (struct constraint_data, indep_constraints)
	(mdep_constraint_letters, constraints_by_letter_table, note_constraint)
	(mdep_constraint_len): New data structures and functions, defined
	#ifdef USE_MD_CONSTRAINTS.
	(check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
	(validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
	use new logic to validate operand constraints against constraint
	definitions.
	(main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
	defined.
	* defaults.h: If none of the old-style constraint macros are
	defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
	old-style macros; and poison REG_CLASS_FROM_LETTER,
	CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
	EXTRA_CONSTRAINT.
	* recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
	* doc/md.texi: Document new constraint-definition mechanism and the
	C interface it provides.  Remove references to old mechanism
 	elsewhere in the document.
	(Machine Constraints): Use pathnames relative to gcc directory,
	i.e. config/ARCH/FILE.  Change i386 section to refer to
	config/i386/predicates.md; update that section to match docstrings.
	* doc/tm.texi: Move all documentation of the old constraint-
	definition macros to their own section, clearly mark as obsolete.

	* config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
	(u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
	definitions.
	* config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
	(CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
	* config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
	constraint strings.
	(splits and peepholes): Use satisfies_constraint_*.
	* config/i386/i386.c (memory_address_length)
	(ix86_attr_length_immediate_default): Use satisfies_constraint_*.

From-SVN: r111508

 r110130@banpei:  zack | 2006-01-22 14:52:43 -0800
 	* rtl.def (match_code): Add second argument.
 	* genpreds.c (write_extract_subexp): New function.
 	(write_match_code): Add path argument.  Use write_extract_subexp.
 	(write_predicate_expr): Pass path to write_match_code.
 	(mark_mode_tests): MATCH_CODE applied to a subexpression does
 	not perform a mode test.
 	* genrecog.c (compute_predicate_codes): MATCH_CODE applied to
 	a subexpression does not constrain the top-level code set.
 	* read-rtl.c (read_rtx_variadic): New function.
 	(read_rtx_1): Use it; allow AND and IOR to be variadic.
 	* doc/md.texi: Document new notation.
 	* config/i386/predicates.md (cmpsi_operand_1): Fold into ...
 	(cmpsi_operand): ... here, using new notation.

From-SVN: r110126

From-SVN: r101317

        * genopinit.c (optabs): Use smin/smax for floating point too.
        * doc/md.texi: Update to match.  Clarify that floating point
        results are undefined for +0/-0 and NaN.
        * doc/rtl.texi: Likewise.
        * rtl.def (SMIN, SMAX): Likewise
        * tree.def (MIN_EXPR, MAX_EXPR): Likewise.

        * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
        leading 's' to the name.
        * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
        smaxxf3, sminxf3): Likewise.
        * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
        Likewise.

From-SVN: r94083

        * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
        * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.

From-SVN: r93958

	* basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
	c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
	combine.c, config.gcc, coverage.h, cse.c, cselib.c,
	defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
	flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
	gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
	output.h, postreload-gcse.c, postreload.c, recog.c,
	resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
	targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
	tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
	tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
	tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
	tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
	tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
	unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.

From-SVN: r93827

	* combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
	comment that we fall through after case.
	(mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
	(distribute_links): Likewise.
	* cse.c (cse_insn): Likewise.
	* cselib.c (cselib_invalidate_mem): Likewise.
	* df.c: Update comments at the top of the file.
	(read_modify_subreg_p): Update comments here too.
	(df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
	* flow.c (mark_set_1): Likewise.
	(mark_used_regs): Likewise.
	* gcse.c (mems_conflict_for_gcse_p): Likewise.
	(canon_list_insert): Likewise.
	(mark_set): Likewise.
	(try_replace_reg): Likewise.
	(store_killed_in_insn): Likewise.
	* loop.c (count_one_set): Likewise.
	(basic_induction_var): Likewise.
	* postreload-gcse.c (find_mem_conflicts): Likewise.
	* postreload.c (reload_combine_note_store): Likewise.
	(move2add_note_store): Likewise.
	* reload.c (find_equiv_reg): Likewise.
	(mark_referenced_resources): Likewise.
	* rtlanal.c (set_noop_p): Likewise.
	(note_stores): Likewise.
	(note_uses): Likewise.
	* sched-deps.c (sched_analyze_1): Likewise.
	* sched-rgn.c (check_live_1): Likewise.
	(update_live_1): Likewise.
	* config/i860/i860.c: Likewise.

	* rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
	an lvalue.
	(ZERO_EXTRACT): Mention that this one can be an lvalue.

	* doc/rtl.texi: Update documentation for bit-fields and SET.

From-SVN: r92974

	* cse.c (CHEAP_REGNO): Redefine using REGNO_PTR_FRAME_P and
	HARD_REGISTER_NUM_P.

	* cselib.c (new_cselib_val): Make comment correct and more detailed.
	* flow.c (mark_set_1): Likewise.

	* except.c (duplicate_eh_region_1, duplicate_eh_region_2,
	duplicate_eh_regions): Remove.
	* except.h (duplicate_eh_regions): Remove prototype.
	* integrate.c (get_label_from_map, copy_rtx_and_substitute,
	global_const_equiv_varray): Remove.
	* integrate.h (get_label_from_map, copy_rtx_and_substitute,
	global_const_equiv_varray, set_label_in_map): Remove prototypes,
	extern declaration, and #define.
	(MAYBE_EXTEND_CONST_EQUIV_VARRAY, SET_CONST_EQUIV_DATA): Remove.
	(struct inline_remap): Remove.
	* varray.c (struct element): Remove entry for const_equiv_data.
	* varray.h (struct const_equiv_data): Remove.
	(enum varray_data_enum) <VARRAY_DATA_CONST_EQUIV>: Remove.
	(union varray_data_tag) <const_equiv>: Remove.
	(VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV,
	VARRAY_PUSH_CONST_EQUIV, VARRAY_TOP_CONST_EQUIV): Remove.

	* regstack.c (record_label_references): Remove unused function.

	* rtl.def (VALUE): Update comment.
	(LABEL_REF): Remove unused operand 2.
	* rtl.h (struct rtx_def): Update for removed accessor macros.
	(XCADVFLAGS, INSN_DEAD_CODE_P, LINE_NUMBER, CONTAINING_INSN,
	REG_LOOP_TEST_P): Remove.
	(ADDR_DIFF_VEC_FLAGS, CSELIB_VAL_PTR, LABEL_NEXTREF): Add comments.
	* web.c (entry_register): Don't copy REG_LOOP_TEST_P.
	* doc/rtl.texi (INSN_DEAD_CODE_P, REG_LOOP_TEST_P): Remove.

From-SVN: r90580

From-SVN: r87312

From-SVN: r86995

	* rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
	* gengtype.c: Don't include rtl.h.  Define enum rtx_code and
	rtx_name, rtx_format arrays by direct reference to rtl.def,
	first undefining GENERATOR_FILE.  Define enum insn_note and
	note_insn_name array by direct reference to insn-notes.def.
	(adjust_field_rtx_def): Remove local definition of rtx_name.
	Use symbolic names for insn notes.
	* Makefile.in (gengtype.o): Update dependencies.

From-SVN: r86499

	* rtl.def: Reorganize, placing all codes used only in machine
	descriptions at the end.

From-SVN: r86496

	* rtl.def (NIL): Delete.
	* read-rtl.c (read_rtx): Handle (nil) like (define_constants).
	Tighten the syntax a little.

	* cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
	* config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
	* config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
	* config/i386/predicates.md, config/m32r/m32r.h
	* config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
	* config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
	* config/sparc/sparc.h, doc/tm.texi:
	Replace all occurrences of NIL with UNKNOWN.

From-SVN: r86193

	* genpreds.c: Add capability to generate predicate bodies as
	well as function prototypes.  Write function prototypes for
	the generic predicates too.
	(process_define_predicate, write_tm_preds_h, write_insn_preds_c)
	(write_predicate_subfunction, mark_mode_tests, add_mode_tests)
	(write_match_code, write_predicate_expr, write_one_predicate_function)
	(parse_option): New functions.
	(output_predicate_decls): Delete.
	(main): Read the machine description, process DEFINE_PREDICATE or
	DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
	as appropriate.

	* genrecog.c (struct decision_test): Replace index with
	struct pred_data pointer.
	(next_index): Remove, unused.
	(pred_table, preds, special_mode_pred_table): Delete.
	(compute_predicate_codes, process_define_predicate): New functions.
	(validate_pattern, add_to_sequence, write_switch): Update for
	new data structures.
	(main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
	Check both error_count and have_error.

	* gensupport.c (in_fname, first_predicate): New globals.
	(define_pred_queue, define_pred_tail): New RTL-pattern queue.
	(predicate_table, last_predicate, old_pred_table)
	(old_special_pred_table): New statics.
	(hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
	(add_predicate, init_predicate_table): New functions.
	(process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
	(init_md_reader_args_cb): Use the global in_fname.  No need to zero
	it or max_include_len.  Call init_predicate_table.
	(read_rtx): Run the predicate queue after the attribute queue
	but before all the others.
	* gensupport.h (in_fname, struct pred_data, first_predicate)
	(lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
	* rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
	(DEFINE_SPECIAL_PREDICATE): New RTL codes.
	* dummy-conditions.c: Don't include bconfig.h, system.h,
	coretypes.h, tm.h, or system.h.  Do include stddef.h.
	Duplicate declaration of struct c_test from gensupport.h.

	* Makefile.in (OBJS-common): Add insn-preds.o.
	(STAGESTUFF, .PRECIOUS): Add insn-preds.c.
	(insn-preds.c, insn-preds.o): New rules.
	(s-preds): Also generate insn-preds.c.
	(dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
	Update dependencies.
	(print-rtl.o, print-rtl1.o): Correct dependencies.

	* recog.h: Delete prototypes of predicate functions.

	* doc/md.texi (Predicates): New section with complete
	documentation of operand/operator predicates.  Remove some
	incomplete documentation of predicates from other places.
	* doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
	PREDICATE_CODES; indicate that both are deprecated in favor
	of define_predicate/define_special_predicate.

	* config/ia64/ia64.c: All predicate function definitions moved
	to ia64.md, except
	(small_addr_symbolic_operand, tls_symbolic_operand): Delete.
	(ia64_expand_load_address, ia64_expand_move):
	Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.

	* config/ia64/ia64.md: All predicates now defined here.
	(symbolic_operand): Is now a special predicate.

	* config/ia64/ia64.h: Declare ia64_section_threshold.
	(PREDICATE_CODES): Delete.

From-SVN: r85855

2004-07-19  Paolo Bonzini  <bonzini@gnu.org>

	* genattr.c (struct range, struct function_unit,
	write_units, extend_range, init_range): Remove them.
	(main): Remove code dealing with DEFINE_FUNCTION_UNIT.
	Output "#define INSN_SCHEDULING" here.
	* genattrtab.c (struct range, struct function_unit_op,
	struct function_unit, struct dimension, enum operator,
	operate_exp, expand_units, simplify_knowing,
	encode_units_mask, simplify_by_exploding,
	find_and_mark_used_attributes, unmark_used_attributes,
	add_values_to_cover, increment_current_value,
	test_for_current_value, simplify_with_current_value,
	simplify_with_current_value_aux, gen_unit,
	write_unit_name, write_function_unit_info,
	write_complex_function, write_toplevel_expr,
	find_single_value, extend_range): Remove.
	(write_attr_get): Do not handle common_av->value
	being an FFS.
	(struct attr_desc): Remove func_units_p and blockage_p.
	(write_attr_valueq): Do not handle them.
	(find_attr): Do not clear them.
	(make_internal_attr): Do not initialize them.
	(main): Remove code dealing with DEFINE_FUNCTION_UNIT.
	* sched-vis.c (init_target_units, insn_print_units,
	init_block_visualization, print_block_visualization,
	visualize_scheduled_insns, visualize_no_unit,
	visualize_stall_cycles, visualize_alloc,
	visualize_free, target_units, get_visual_tbl_length,
	MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
	visual_tbl_line_length, visual_tbl, n_vis_no_unit,
	MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
	* haifa-sched.c (blockage_range, clear_units,
	schedule_unit, actual_hazard, potential_hazard,
	insn_unit, unit_last_insn, unit_tick,
	actual_hazard_this_instance, potential_hazard,
	schedule_unit, max_insn_queue_index_value): Remove.
	(MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
	max_insn_queue_index.
	* rtl.def (DEFINE_FUNCTION_UNIT): Remove.
	* doc/md.texi (Processor pipeline description): Remove
	references to old pipeline descriptions.
	(Automaton pipeline description): Merge with the above.
	(Old pipeline description, Comparison of the two descriptions):
	Remove.

	* bt-load.c (migrate_btr_def): Remove references to
	use_pipeline_interface.
	* haifa-sched.c (insn_cost, schedule_insn,
	schedule_block, advance_one_cycle, sched_init,
	queue_to_ready, sched_finish): Likewise.
	* modulo-sched.c (sms_schedule, advance_one_cycle,
	ps_has_conflicts): Likewise.
	* sched-rgn.c (init_ready): Likewise.
	(debug_dependencies): Likewise, and remove an "if (1)".
	* target.h (use_dfa_pipeline_interface): Remove.
	* config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.

From-SVN: r84944

2004-07-14  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (enqueue_insn, finish_expr_for_function,
	protect_from_queue, queued_subexp_p, mark_queue,
	emit_insns_enqueued_after_mark, emit_queue,
	expand_increment): Remove.
	(store_constructor): Expand increment as an assignment.
	(expand_expr_real_1 <case PREINCREMENT_EXPR,
	case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
	case POSTDECREMENT_EXPR>): Abort.
	* expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
	QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
	protect_from_queue, emit_queue, queued_subexp_p): Remove.
	* function.h (pending_chain, x_pending_chain): Remove.
	* rtl.def (QUEUED): Remove.

	* emit-rtl.c (copy_insn_1, copy_most_rtx,
	set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
	* genattrtab.c (attr_copy_rtx, clear_struct_flag,
	encode_units_mask): Likewise.
	* local-alloc.c (equiv_init_varies_p): Likewise.
	* rtl.c (copy_rtx): Likewise.
	* rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
	* simplify-rtx.c (simplify_gen_subreg): Likewise.
	* config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.

	* builtins.c (expand_builtin, expand_builtin_apply,
	expand_builtin_mathfn, expand_builtin_mathfn_2,
	expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
	Remove calls to emit_queue and protect_from_queue.
	* calls.c (expand_call, precompute_arguments,
	precompute_register_parameters, rtx_for_function_call,
	store_one_arg): Likewise.
	* dojump.c (do_compare_and_jump, do_jump): Likewise.
	* explow.c (memory_address): Likewise.
	* expmed.c (clear_by_pieces_1, clear_storage,
	clear_storage_via_libcall, emit_group_load,
	emit_group_store, emit_store_flag,
	expand_expr_real_1, store_by_pieces,
	store_constructor, store_expr, try_casesi,
	try_tablejump): Likewise.
	* function.c (expand_pending_sizes): Likewise.
	* optabs.c (emit_cmp_and_jump_insns,
	emit_conditional_add, emit_conditional_move,
	expand_fix, expand_float, prepare_cmp_insn): Likewise.
	* stmt.c (emit_case_bit_tests,
	expand_asm_expr, expand_computed_goto,
	expand_decl_init, expand_end_case_type,
	expand_end_stmt_expr, expand_expr_stmt_value,
	expand_return, expand_start_case,
	optimize_tail_recursion): Likewise.
	* config/c4x/c4x.c (c4x_expand_builtin): Likewise.
	* config/s390/s390.c (s390_expand_cmpmem): Likewise.

From-SVN: r84675

	* rtl.def (ADDRESSOF): Remove.
	* alias.c (rtx_equal_for_memref_p): Don't handle addressof.
	(find_base_term, memrefs_conflict_p): Likewise.
	* cse.c (fixed_base_plus_p, find_best_addr: Likewise.
	(fold_rtx, cse_insn, set_live_p): Likewise.
	* dwarf2out.c (mem_loc_descriptor): Likewise.
	(add_location_or_const_value_attribute): Likewise.
	* emit-rtl.c (copy_insn_1): Likewise.
	* explow.c (memory_address): Likewise.
	* expmed.c (store_split_bit_field): Likewise.
	* expr.c (expand_expr_real_1): Likewise.
	* function.c (instantiate_decl
	(instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
	* genrecog.c (preds, validate_pattern): Likewise.
	* integrate.c (copy_rtx_and_substitute): Likewise.
	* recog.c (general_operand, register_operand): Likewise.
	(memory_address_p): Likwise.
	* reload1.c (eliminate_regs, elimination_effects): Likewise.
	* rtl.c (copy_rtx): Likewise.
	* rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
	(rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
	* rtlhooks.c (gen_lowpart_general): Likewise.
	* stmt.c (expand_asm_operands): Likewise.
	* web.c (entry_register, replace_ref, web_main): Likewise.
	* config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
	alpha_expand_block_move, alpha_expand_block_clear): Likewise.
	* config/arm/arm.c (thumb_rtx_costs): Likewise.
	* config/c4x/c4x.c (c4x_valid_operands): Likewise.
	* config/frv/frv.c (move_destination_operand, move_source_operand,
	condexec_dest_operand, condexec_source_operand,
	condexec_memory_operand): Likewise.
	* config/h8300/h8300.h (PREDICATE_CODES): Likewise.
	* config/ia64/ia64.c (general_xfmode_operand): Likewise.
	(destination_xfmode_operand): Likewise.
	* config/mips/mips.h (PREDICATE_CODES): Likewise.
	* config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
	* config/s390/s390.c (general_s_operand): Likewise.
	* config/s390/s390.md (mov*): Likewise.
	* config/sparc/sparc.h (PREDICATE_CODES): Likewise.

	* c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
	* expr.c (expand_expr_real_1): Likewise.
	* stmt.c (expand_decl): Likewise.
	* config/c4x/c4x.c (c4x_expand_builtin): Likewise.

	* function.c (struct fixup_replacement, struct insns_for_mem_entry,
	postponed_insns, put_var_into_stack, put_reg_into_stack,
	schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
	fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
	fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
	walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
	gen_mem_addressof, flush_addressof, put_addressof_into_stack,
	purge_bitfield_addressof_replacements, purge_addressof_replacements,
	purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
	struct insns_for_mem_walk_info, insns_for_mem_walk,
	compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
	setjmp_protect_args): Remove.
	(push_function_context_to): Don't handle var_refs_queue.
	(pop_function_context_from, free_after_compilation): Likewise.
	(instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
	(assign_parms, allocate_struct_function): Likewise.
	(use_register_for_decl): New.
	(expand_function_end): Don't setjmp_protect.
	* function.h (struct emit_status): Update commentary.
	(struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
	(max_parm_reg, parm_reg_stack_loc): Remove.
	* passes.c (DFI_addressof): Remove.
	(dump_file_info): Remove addressof.
	(rest_of_handle_addressof): Remove.
	(rest_of_compilation): Don't call it.
	* rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
	* stmt.c (expand_decl): Use use_register_for_decl.
	* tree.h: Update decls.
	* web.c (mark_addressof): Remove.
	* doc/invoke.texi (-dF): Remove.

ada/
        * utils2.c (gnat_mark_addressable): Don't put_var_into_stack.
cp/
        * typeck.c (cxx_mark_addressable): Don't put_var_into_stack.
fortran/
        * f95-lang.c (gfc_mark_addressable): Don't put_var_into_stack.
treelang/
        * treetree.c (tree_mark_addressable):  Don't put_var_into_stack.

From-SVN: r84072

	* input.h:  #include line-map.h for source_location typedef.
	(BUILTINS_LOCATION, UNKNOWN_LOCATION, expand_location,
	LOCATION_FILE, LOCATION_LINE):  New macros and functions.
	(expanded_location, source_locus):  New typedefs.
	(push_srcloc):  Change parameter list if USE_MAPPED_LOCATION.
	* rtl.def (NOTE, ASM_OPERANDS):  Modify specifcation, if
	USE_MAPPED_LOCATION.
	* rtl.h (NOTE_DELETED_LABEL_NAME):  New macro.
	(NOTE_SOURCE_LOCATION, NOTE_EXPNDED_LOCATION, SET_INSN_DELETED):
	New conditional macros.
	(ASM_OPERANDS_SOURCE_FILE, ASM_OPERANDS_SOURCE_LINE):  Replace
	by ASM_OPERANDS_SOURCE_LOCATION if USE_MAPPED_LOCATION.
	* tree.h (EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_HAS_LOCATION,
	EXPR_LOCUS, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LINENO,
	DECL_IS_BUILTIN):  New macros, most depending on USE_MAPPED__LOCATION.
	(tree_exp):  Change type of locus to use new source_locus typedef.
	* tree.c (build1_stat):  Use SET_EXPR_LOCATION.
	(annotate_with_locus, annotate_with_file_line):  Conditionalize.
	(expand_location):  New function.
	* toplev.c (unknown_location):  New static, when USE_MAPPED_LOCATION.
	(push_srcloc, pop_loc):  Adjust parameter handling.
	(process_options):  Don't set input_filename by itself.
	(lang_dependent_init):  Save, set input_location to <built-in>.
	(warn_deprecated_use):  Use expand_location.

From-SVN: r83918

From-SVN: r82607

	* basic-block.c (tail_recursion_label_list): Don't declare.
	(CLEANUP_PRE_SIBCALL): Remove.  Renumber the other CLEANUP_*
	accordingly.
	* cfgbuild.c (find_label_refs): Remove.
	(find_basic_blocks_1): Don't handle CALL_PLACEHOLDER insns.
	* cfgcleanup.c (tail_recursion_label_p): Remove.
	(merge_blocks_move): Do not check for tail recursion.
	(try_optimize_cfg): Likewise.
	(cleanup_cfg): Never handle CLEANUP_PRE_SIBCALL.
	* cfgrtl.c (tail_recursion_label_list): Remove.
	* except.c (remove_unreachable_regions): Don't handle
	CALL_PLACEHOLDER insns.
	(convert_from_eh_region_ranges_1, can_throw_internal,
	can_throw_external): Likewise.
	* function.c (free_after_compilation): Don't clear
	x_tail_recursion_label.
	(fixup_var_refs_insns): Don't handle CALL_PLACEHOLDER insns.
	(identify_blocks_1): Don't recurse for CALL_PLACEHOLDER insns.
	(reorder_blocks_1): Likewise.
	* function.h (struct function): Remove x_tail_recursion_label
	member.  Don't define tail_recursion_label.
	* jump.c (mark_all_labels): Don't handle CALL_PLACEHOLDER insns.
	* print-rtl.c (print_rtx): Likewise.
	* rtl.def (CALL_PLACEHOLDER): Remove.
	* rtl.h (sibcall_use_t): Remove enum.
	(optimize_sibling_and_tail_recursive_calls,
	replace_call_placeholder): Remove function prototypes.
	* stmt.c (tail_recursion_args): Remove.
	(optimize_tail_recursion): Remove.
	(expand_return): Don't check for possible tail recursion.
	* tree.h (optimize_tail_recursion): Remove prototype.

From-SVN: r82597

From-SVN: r81764

2004-02-07  Paolo Bonzini  <bonzini@gnu.org>

	* alias.c (rtx_equal_for_memref_p): Use predicates
	to test rtx classes and new rtx class codes, possibly
	splitting conditionals that tested against '<' and 'o'.
	* caller-save.c (save_call_clobbered_regs): Likewise.
	* combine.c (contains_muldiv, find_split_point, subst,
	combine_simplify_rtx, simplify_if_then_else,
	simplify_set, simplify_logical, expand_compound_operation,
	make_compound_operation, if_then_else_cond, known_cond,
	apply_distributive_law, cached_nonzero_bits,
	cached_num_sign_bit_copies, simplify_shift_const,
	gen_binary, simplify_comparison, update_table_tick,
	record_value_for_reg, get_lsat_value_validate): Likewise.
	* cse.c (mention_regs, find_best_addr, find_comparison_args,
	fold_rtx, cse_insn, invalidate_memory, cse_basic_block):
	Likewise.
	* emit-rtl.c (copy_insn_1): Likewise.
	* expr.c (force_operand): Likewise.
	* final.c (final_scan_insn, get_mem_expr_from_op): Likewise.
	* flow.c (notice_stack_pointer_modification_1,
	invalidate_mems_from_autoinc, ior_reg_cond, not_reg_cond,
	and_reg_cond, elim_reg_cond): Likewise.
	* function.c (update_epilogue_consts): Likewise.
	* genattrtab.c (attr_rtx_1): Likewise.
	* genopinit.c (gen_insn): Likewise.
	* integrate.c (subst_constants): Likewise.
	* jump.c (reversed_comparison_code_parts,
	reversed_comparison_code, delete_related_insns,
	rtx_renumbered_equal_p): Likewise.
	* local-alloc.c (block_alloc): Likewise.
	* loop.c (rtx_equal_for_prefetch_p, maybe_eliminate_biv,
	canonicalize_condition): Likewise.
	* loop-iv.c (simplify_using_conditions, iv_number_of_iterations):
	Likewise.
	* optabs.c (add_equal_node, expand_binop): Likewise.
	* predict.c (estimate_probability): Likewise.
	* ra-debug.c (ra_print_rtx_2op, ra_print_rtx): Likewise.
	* recog.c (validate_replace_rtx_1, comparison_operator,
	offsettable_address_p, constrain_operands): Likewise.
	* reg-stack.c (swap_rtx_condition_1, subst_stack_regs_pat):
	Likewise.
	* regclass.c (scan_one_insn): Likewise.
	* regmove.c (stable_and_no_regs_but_for_p): Likewise.
	* regrename.c (kill_autoinc_value): Likewise.
	* reload.c (find_reusable_reload, find_reloads,
	reg_overlap_mentioned_for_reload_p): Likewise.
	* reload1.c (gen_reload, delete_address_reloads_1): Likewise.
	* rtl.c (copy_rtx): Likewise.
	* rtl.h (CONSTANT_P, INSN_P): Likewise.
	* rtlanal.c (commutative_operand_precedence): Likewise.
	* sched-deps.c (conditions_mutex_p): Likewise.
	* sched-rgn.c (is_cfg_nonregular): Likewise.
	* simplify-rtx.c (simplify_gen_binary,
	simplify_gen_relational, simplify_replace_rtx,
	simplify_unary_operation, simplify_binary_operation,
	simplify_ternary_operation, simplify_rtx): Likewise.
	* unroll.c (reg_dead_after_loop): Likewise.
	* config/alpha/alpha.c (alpha_swapped_comparison_operator,
	print_operand): Likewise.
	* config/arc/arc.c (proper_comparison_operator): Likewise.
	* config/arm/arm.c (arm_arm_address_cost, arm_select_cc_mode):
	Likewise.
	* config/avr/avr.c (_reg_unused_after): Likewise.
	* config/frv/frv.c (frv_ifcvt_modify_tests,
	frv_ifcvt_modify_insn, frv_pack_insn): Likewise.
	* config/i386/i386.c (ix86_comparison_operator,
	ix86_carry_flag_operator, fcmov_comparison_operator,
	arith_or_logical_operator, print_operand,
	ix86_expand_binary_operator, ix86_binary_operator_ok):
	Likewise.
	* config/i386/i386.md: Likewise.
	* config/ia64/ia64.c (not_postinc_memory_operand,
	ia64_print_operand, update_set_flags, errata_emit_nops):
	Likewise.
	* config/ia64/ia64.h (PREFERRED_RELOAD_CLASS,
	CONSTRAINT_OK_FOR_S): Likewise.
	* config/ip2k/ip2k.c (mdr_resequence_xy_yx,
	mdr_try_move_dp_reload, ip2k_check_can_adjust_stack_ref,
	ip2k_xexp_not_uses_reg_for_mem, ip2k_xexp_not_uses_reg_p,
	ip2k_composite_xexp_not_uses_reg_p, ip2k_unary_operator):
	Likewise.
	* config/iq2000/iq2000.c (cmp_op, symbolic_expression_p,
	eqne_comparison_operator, signed_comparison_operator):
	Likewise.
	* config/mips/mips.c (cmp_op, symbolic_expression_p):
	Likewise.
	* config/mmix/mmix (mmix_foldable_comparison_operator,
	mmix_comparison_operator): Likewise.
	* config/pa/pa.c (hppa_legitimize_address): Likewise.
	* config/rs6000/rs6000.c (stmw_operation,
	branch_comparison_operator, trap_comparison_operator,
	ccr_bit): Likewise.
	* config/rs6000/rs6000.h (SELECT_CC_MODE): Likewise.
	* config/s390/s390.c (s390_alc_comparison,
	s390_slb_comparison):L Likewise.
	* config/sh/sh.c (gen_block_redirect, reg_unused_after):
	Likewise.
	* config/sparc/sparc.c (eq_or_neq, normal_comp_operator,
	noov_compare_op, noov_compare64_op, v9_regcmp_op,
	emit_hard_tfmode_operation, reg_unused_after)
	* doc/md.texi, doc/rtl.texi: Likewise.

	* ra-debug.c: Add 2004 to list of copyright years.
	* unroll.c: Likewise.

	* combine.c (simplify_logical): Remove dummy test,
	(apply_distributive_law): Fix typo in comment.
	GET_CODE (x) == AND so x is a commutative binary op.
	* jump.c (delete_related_insns): simplify loop
	condition, move testing of RTX codes inside the loop.
	(rtx_renumbered_equal_p): do not use RTX_CODE.
	* rtl.c (rtx_class): Declare as enum rtx_class.
	* rtl.def (EQ, NE, UNEQ, LTGT, UNORDERED, ORDERED):
	Move to RTX_COMM_COMPARE class.
	(HIGH, SYMBOL_REF, LABEL_REF, CONST, CONST_INT, CONST_DOUBLE):
	Move to RTX_CONST_OBJ class.
	* rtl.h (enum rtx_class): New declaration,
	(RTX_OBJ_MASK, RTX_OBJ_RESULT, RTX_COMPARE_MASK,
	RTX_COMPARE_RESULT, RTX_ARITHMETIC_MASK, RTX_ARITHMETIC_RESULT,
	RTX_BINARY_MASK, RTX_BINARY_RESULT, RTX_COMMUTATIVE_MASK,
	RTX_COMMUTATIVE_RESULT, RTX_NON_COMMUTATIVE_RESULT,
	RTX_EXPR_FIRST, RTX_EXPR_LAST, UNARY_P, BINARY_P,
	ARITHMETIC_P, COMMUTATIVE_ARITHMETIC_P, COMPARISON_P,
	SWAPPABLE_OPERANDS_P, NON_COMMUTATIVE_P, COMMUTATIVE_P,
	OBJECT_P): New macros.
	* config/sparc/sparc.c (noov_compare_op): Remove register
	from parameter.

From-SVN: r78824

	* genattrtab.c: Don't handle MATCH_INSN.
	* genrecog.c: Likewise.
	* gensupport.c: Likewise.
	* rtl.def (match_insn): Remove.
	* doc/md.texi (match_insn, match_insn2): Remove.

From-SVN: r78768

From-SVN: r78755

	Josef Zlomek  <zlomekj@suse.cz>
	* Makefile.in (var-tracking.o): New.
	* common.opt (fvar-tracking): New.
	* flags.h (flag_var_tracking): New.
	* gengtype.c (adjust_field_rtx_def): NOTE_INSN_VAR_LOCATION was added.
	* opts.c (common_handle_option): Add OPT_fvar_tracking.
	* print-rtl.c (print_rtx): NOTE_INSN_VAR_LOCATION was added.
        * rtl.c (note_insn_name): Likewise.
        * rtl.def (VAR_LOCATION): New.
        * rtl.h (NOTE_VAR_LOCATION): New.
        (NOTE_VAR_LOCATION_DECL): New.
        (NOTE_VAR_LOCATION_LOC): New.
        (enum insn_note): NOTE_INSN_VAR_LOCATION was added.
        (variable_tracking_main): New exported function.
        * timevar.def (TV_VAR_TRACKING): New.
        * toplev.c (enum dump_file_index): Added DFI_vartrack.
        (dump_file): "vartrack" was added (-dV).
        (flag_var_tracking): New.
        (f_options): "var-tracking" was added.
	(rest_of_handle_variable_tracking): New function.
        (rest_of_compilation): Run variable tracking.
	(process_options): If user has not specified flag_var_tracking set it
	according to optimize, debug_info_level and debug_hooks.
	* tree.h (frame_base_decl): New.
        * var-tracking.c: New file.
	* config/ia64/ia64.c (ia64_flag_var_tracking): New variable.
	(ia64_override_options): Set flags to run variable tracking in machine
	dependent reorg instead of toplev.c.
	(ia64_reorg): Run variable tracking if wanted.
        * doc/invoke.texi: Mention variable tracking in -dV,
	add and -fvar-tracking.
        * doc/passes.texi: Added variable tracking pass.

	Daniel Berlin <dberlin@dberlin.org>
	* debug.h (struct gcc_debug_hooks): Added var_location debug hook.
	* dbxout.c (dbx_debug_hooks): Likewise.
	(xcoff_debug): Likewise.
	* debug.c (do_nothing_debug_hooks): Likewise.
	* dwarf2out.c (dwarf2_debug_hooks): Likewise.
	* dwarfout.c (dwarf_debug_hooks): Likewise.
	* sdbout.c (sdb_debug_hooks): Likewise.
	* vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
	* final.c (final_scan_insn): Call var_location debug hook for each
	NOTE_INSN_VAR_LOCATION.

Co-Authored-By: Daniel Berlin <dberlin@dberlin.org>

From-SVN: r77418

	* cpperror.c, cpptrad.c, longlong.h, params.def, rtl.def,
	unwind-dw2-fde.h: Update copyright.

From-SVN: r76319

2004-01-13  Vladimir Makarov  <vmakarov@redhat.com>

        * rtl.def: Add comment about new option in automata_option.

	* genautomata.c (PROGRESS_OPTION): New macro.
	(progress_flag): New global variable.
	(gen_automata_option): Process `progress'.
	(transform_insn_regexps, check_unit_distributions_to_automata,
	make_automaton, NDFA_to_DFA, build_automaton, create_automata,
	expand_automata, write_automata): Print about the progress only if
	progress_flag.  Remove fflush.
	(initiate_automaton_gen): Process command line flag `-progress'.

	* doc/md.texi: Describe the new option.

From-SVN: r75812

	* rtl.def (CODE_LABEL, NOTE): Correct operand numbers in comments.

From-SVN: r74488

	* genattrtab.c (simplify_cond): Update indices correctly.
	(attr_alt_subset_p, attr_alt_subset_of_compl_p, attr_alt_intersection,
	attr_alt_union, attr_alt_complement, attr_alt_bit_p, mk_attr_alt): New.
	(check_attr_test, encode_units_mask, compute_alternative_mask,
	make_alternative_compare, simplify_and_tree,
	attr_rtx_cost, simplify_test_exp, gen_attr,
	write_test_expr, walk_attr_value): Handle EQ_ATTR_ALT.
	* rtl.def (EQ_ATTR_ALT): New.

From-SVN: r73873

        * ssa.c, ssa-dce.c, ssa-ccp.c: Remove files.
        * Makefile.in (OBJS-common, GTFILES): Don't reference them.
        (gtype-desc.o, toplev.o, flow.o): Remove ssa.h.
        (ssa.o, ssa-dce.o, ssa-ccp.o): Remove.
        * flow.c: Don't include ssa.h.
        (set_phi_alternative_reg): Remove.
        (calculate_global_regs_live): Don't call it.
        (mark_used_regs): Don't handle PHI.
        * gengtype.c (open_base_files): Don't reference ssa.h.
        * rtl.def (PHI): Remove.
        * timevar.def (TV_TO_SSA, TV_SSA_CCP, TV_SSA_DCE, TV_FROM_SSA): Kill.
        * common.opt: Remove -fssa, -fssa-ccp, -fssa-dce.
        * opts.c (common_handle_option): Likewise.
        * toplev.c (f_options): Likewise.
        (DFI_ssa, DFI_ssa_ccp, DFI_ssa_dce, DFI_ussa): Remove.
        (dump_file): Update to match.
        (flag_ssa, flag_ssa_ccp, flag_ssa_dce): Remove.
        (rest_of_handle_ssa): Remove.
        (rest_of_compilation): Don't call it.
        * toplev.h (flag_ssa, flag_ssa_dce, flag_ssa_ccp): Remove.
        * doc/invoke.texi: Remove -fssa, -fssa-ccp, -fssa-dce.
        * doc/passes.texi (SSA optimizations): Remove.

        * gcc.dg/20020201-2.c: Remove.
        * gcc.dg/20020201-4.c: Remove.
        * gcc.dg/20020304-1.c: Remove.

From-SVN: r73789

	* rtl.h (rtl_size): Declare.
	(rtunion): Remove rtwint.
	(rtx_def): Replace 'fld' with a union of an rtunion or a HOST_WIDE_INT.
	(RTX_HDR_SIZE, RTX_SIZE): New macros.
	(RTL_CHECK1): Adjust for new rtx_def layout.
	(RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2): Likewise.
	(XWINT, XCWINT): Likewise.  Access the rtx structure directly.
	(X0WINT): Remove.
	(X0ANY): New macro.
	* rtl.def: Adjust comments for new rtx_def layout.
	* ggc.h (ggc_alloc_rtx): Take the rtx code as argument, not the
	number of slots.
	* rtl.c (rtx_size): New array.
	(rtx_alloc): Adjust call to ggc_alloc_rtx.  Use RTX_HDR_SIZE.
	(copy_rtx): Use RTX_HDR_SIZE.  Adjust for new rtx_def layout.
	(shallow_copy_rtx): Adjust call to ggc_alloc_rtx.  Use RTX_SIZE.
	* integrate.c (copy_rtx_and_substitute): Use X0ANY to copy '0' fields.
	* emit-rtl.c (copy_most_rtx): Likewise.
	(copy_rtx_if_shared): Use RTX_SIZE.
	(copy_insn_1): Use RTX_HDR_SIZE.  Adjust for new rtx_def layout.
	* gengenrtl.c (gendef): Adjust ggc_alloc_rtx call.  Use RTX_HDR_SIZE.
	* gengtype.c (write_rtx_next): Use RTX_HDR_SIZE.
	(adjust_field_rtx_def): Expect "rtx_def" to be a union rather than
	an array.  Adjust output for new rtx_def layout.
	* ggc-page.c (RTL_SIZE): Use RTX_HDR_SIZE.
	* reload1.c (eliminate_regs): Use RTX_SIZE.
	* rtlanal.c (loc_mentioned_in_p): Adjust for new rtx_def layout.
	* gdbinit.in (pi): Likewise.

From-SVN: r72647

From-SVN: r69257

	* bt-load.c: Fix comment typos.
	* c-incpath.c: Likewise.
	* cfg.c: Likewise.
	* cfgcleanup.c: Likewise.
	* cfgloop.h: Likewise.
	* cfgloopmanip.c: Likewise.
	* cfgrtl.c: Likewise.
	* diagnostic.h: Likewise.
	* dwarfout.c: Likewise.
	* emit-rtl.c: Likewise.
	* et-forest.c: Likewise.
	* et-forest.h: Likewise.
	* expr.c: Likewise.
	* gcse.c: Likewise.
	* genattr.c: Likewise.
	* jump.c: Likewise.
	* langhooks.h: Likewise.
	* local-alloc.c: Likewise.
	* loop-unroll.c: Likewise.
	* loop-unswitch.c: Likewise.
	* ra-build.c: Likewise.
	* regclass.c: Likewise.
	* regmove.c: Likewise.
	* rtl.def: Likewise.
	* rtlanal.c: Likewise.
	* sched-ebb.c: Likewise.
	* sched-rgn.c: Likewise.
	* simplify-rtx.c: Likewise.
	* ssa.c: Likewise.
	* tracer.c: Likewise.
	* tree.c: Likewise.

From-SVN: r68975

	* cfglayout.c (insn_scope): New static function
	(block_locators_*, line_locators*, file_locators*): New static varrays.
	(scope_to_insns_initialize): Use them.
	(insn_line, insn_file): New functions.
	(scope_to_insns_finalize): Use insn_scope.
	(prologue_locator, epilogue_locator): New global variables.
	* emit-rt.c (try_split, make_insn_raw, make_jump_insn_raw,
	make_call_insn_raw, emit_copy_of_insn_after): Use locators.
	(emit_insn_after_scope, emit_insn_before_scope
	emit_jump_insn_after_scope, emit_jump_insn_before_scope
	emit_call_insn_after_scope, emit_call_insn_before_scope): Rename to...
	(emit_insn_after_setloc, emit_insn_before_setloc
	emit_jump_insn_after_setloc, emit_jump_insn_before_setloc
	emit_call_insn_after_setloc, emit_call_insn_before_setloc): ... these;
	use locators.
	* final.c (notice_source_line): Use locators.
	(final_start_function): Set initial source file and line.
	(final_scan_insn): Use locators.
	* ifcvt.c (noce_try_store_flag, noce_try_store_flag_constants,
	noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove,
	noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
	noce_process_if_block, find_cond_trap): Likewise.
	* integrate.c (copy_insn_list): Likewise.
	* jump.c (duplicate_loop_exit_test): LIkewise.
	* print-rtl.c (print_rtx): Print locators.
	* recog.c (peephole2_optimize): Likewise.
	* rtl.h (INSN_SCOPE): Remove.
	(emit_insn_after_scope, emit_insn_before_scope
	emit_jump_insn_after_scope, emit_jump_insn_before_scope
	emit_call_insn_after_scope, emit_call_insn_before_scope): Rename to...
	(emit_insn_after_setloc, emit_insn_before_setloc
	emit_jump_insn_after_setloc, emit_jump_insn_before_setloc
	emit_call_insn_after_setloc, emit_call_insn_before_setloc): ... these;
	(insn_file, insn_line, prologue_locator, epilogue_locator): Declare.
	* unroll.c (copy_loop_body): Use locators.
	* function.c (set_insn_locators): New function.
	(thread_prologue_and_epilogue_insns): Set the locators accordingly.

From-SVN: r67637