PR opt/8705
	* gcse.c (try_replace_reg): On a successful substitution of a constant
	into a single set, try to simplify the source of the set.
	* loop.c (scan_loop): Don't try to optimize a MODE_CC set with a
	constant source.

From-SVN: r66060

	PR optimization/10157
	* gcse.c (can_copy_p): Rename it to can_copy.
	(can_copy_init_p): Remove.
	(compute_can_copy): Use can_copy instead of can_copy_p.
	(can_copy_p): New exported function. Call compute_can_copy.
	(hash_scan_set): Use it.
	(gcse_main): Don't call compute_can_copy.
	(bypass_jumps): Don't call compute_can_copy.
	* rtl.h (can_copy_p): Declare.
	* loop.c (scan_loop): Don't move the source and add a reg-to-reg
	copy if the mode doesn't support copy operations.

From-SVN: r65210

	* reload1.c (reload_as_needed): Allow a USE in asm reloads.

	* loop.c: (find_mem_in_note_1, find_mem_in_note): Comment.

From-SVN: r64991

	* loop.c: (find_mem_in_note_1, find_mem_in_note): New functions.
	(replace_loop_mems): Add "written" param.  Remove invalid REG_EQUAL
	notes after hoisting.
	(load_mems): Adjust replace_loop_mems call.

From-SVN: r64950

	PR opt/10087
	* gcc.dg/20030324-1.c: New test.

	PR opt/10087
	* loop.c (loop_givs_reduce): Skip bivs with duplicate locations
	while incrementing giv.
	(record_biv): Check for duplicate biv locations and
	set (struct induction *) v->same if found.

From-SVN: r64928

	* rtl.h (subrtx_p): Renamed to rtx_referenced_p.
	(rtx_pair): Added new element update_label_nuses, renamed to
	replace_label_data.
	* cfgcleanup.c (outgoing_edges_match, try_crossjump_to_edge): Use
	replace_label_data instead of rtx_pair.
	* loop.c (load_mems): Likewise.
	* rtlanal.c (replace_label): Replace label in pool constants and in
	INSN_LIST (in REG_LABEL note).
	(subrtx_p): Renamed to rtx_referenced_p.
	(subrtx_p_1): Renamed to rtx_referenced_p_1, compare the interior of
	LABEL_REF with CODE_LABEL, traverse constants from pool.

From-SVN: r64419

	* cfgcleanup.c (outgoing_edges_match): Compare the jump tables.
	(try_crossjump_to_edge): Replace refereces to one jump table by
	references to identical jump table.
	* loop.c (load_mems): Moved setting the JUMP_LABEL to replace_label.
	(replace_label): Moved to rtlanal.c.
	(struct rtx_pair): Moved to rtl.h.
	* rtl.h (struct rtx_pair): Moved from loop.c.
	(replace_label): New extern function.
	(subrtx_p): New extern function.
	(tablejump_p): New extern function.
	* rtlanal.c (replace_label): Moved from loop.c.
	(subrtx_p_1): New static function.
	(subrtx_p): New function.
	(tablejump_p): New function.

From-SVN: r64096

	* calls.c: Fix comment formatting.
	* cfgloopanal.c: Likewise.
	* cfgloopmanip.c: Likewise.
	* combine.c: Likewise.
	* dwarf2out.c: Likewise.
	* ggc-common.c: Likewise.
	* langhooks.c: Likewise.
	* loop-unroll.c: Likewise.
	* loop.c: Likewise.
	* ra-build.c: Likewise.
	* sbitmap.c: Likewise.
	* toplev.c: Likewise.

From-SVN: r63966

2003-02-28  Dale Johannesen <dalej@apple.com>

      * loop.c (struct movable): Add insert_temp, shrink savemode.
      (scan_loop): Accept invariants that require copying; mark as
      insert_temp.
      (combine_movables): Don't combine insert_temp movables.
      (move_movables): Insert copies for insert_temp movables.
      Don't record the info based on regno for insert_temp's.

From-SVN: r63572

	* cse.c (count_reg_usage): Fix handling of REG_EQUAL notes.

	* Makefile.in (loop-unroll.o): New.
	* cfgloop.h (UAP_PEEL, UAP_UNROLL, UAP_UNROLL_ALL): New.
	(unroll_and_peel_loops): Declare.
	* alias.c (init_alias_analysis): Flag_unroll_loops renamed to
	flag_old_unroll_loops.
	* loop.c (loop_invariant_p): Ditto.
	* unroll.c (unroll_loop): Flag_unroll_all_loops renamed to
	flag_old_unroll_all_loops.
	* flags.h (flag_unroll_loops): Renamed to flag_old_unroll_loops.
	(flag_unroll_all_loops): Renamed to flag_old_unroll_all_loops.
	* params.def (PARAM_MAX_UNROLLED_INSNS): Default value changed.
	(PARAM_MAX_AVERAGE_UNROLLED_INSNS, PARAM_MAX_UNROLL_TIMES,
	PARAM_MAX_PEELED_INSNS, PARAM_MAX_PEEL_TIMES,
	PARAM_MAX_COMPLETELY_PEELED_INSNS, PARAM_MAX_COMPLETELY_PEEL_TIMES,
	PARAM_MAX_ONCE_PEELED_INSNS): New.
	* toplev.h (flag_old_unroll_loops, flag_old_unroll_all_loops): New.
	(flag_unroll_loops, flag_unroll_all_loops): Used for new unroller
	instead of old one.
	(flag_peel_loops): New.
	(lang_independent_options): The new flags added.
	(rest_of_compilation): Call new unroller.
	(process_options): Setup flags for coexistence of old and new unroller.
	* doc/invoke.texi: Document new options.
	* doc/passes.texi: Document new unroller pass.

From-SVN: r63462

	* combine.c (combine_simplify_rtx, simplfy_comparison):  Use CC0_P.
	* cse.c (invalidate_skipped_set):  Likewise.
	* integrate.c (subst_constants):  Likewise.
	* jump.c (reversed_comparison_code_parts):  Likewise.
	* loop.c (canonicalize_condition):  Likewise.
	* simplify-rtx.c (simplify_relational_operation):  Likewise.

From-SVN: r63446

	* loop.c (emit_prefetch_instructions):  Do conversion at right place in
	RTL chain.

	* combine.c (simplify_set): Reverse order of ragumetns to
	REG_CANNOT_CHANGE_MODE_P
	* df.c (df_def_record_1): Likewise.
	* recog.c (register_operand): Likewise.
	* simplify-rtx.c (simplify_subreg): Likewise.
	* hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): Update use of
	CANNOT_CHANGE_MODE_CLASS.
	* regclass.c (cannot_change_mode_set_regs, invalid_mode_change_p):
	Likewise.
	* reload.c (push_reload): Likewise.
	* alpha.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
	* ia64.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
	* mips.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
	* mips-protos.h (mips_cannot_change_mode_class): Update prototype.
	* mips.c (mips_cannot_change_mode_class): Update.
	* pa64-regs.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
	* rs6000.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
	* s390.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
	* sh.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
	* sh-protos.h (sh_cannot_change_mode_class): Update prototype.
	* sh.c (sh_cannot_change_mode_class): Update.
	* i386.h (CANNOT_CHANGE_MODE_CLASS): New.
	* tm.texi (CANNOT_CHANGE_MODE_CLASS): Update documentation.

From-SVN: r62212

2003-01-28  Dale Johannesen  <dalej@apple.com>
        * emit-rtl.c (const_double_htab_hash):  Use mode in the hash.
        * loop.c (scan_loop):  Move movables on -Os rich-register targets.
        * config/rs6000/rs6000.md (sibcall*):  Use match_operand for LR.

From-SVN: r62004

	* target.h (targetm.address_cost): New.
	* target-def.h (TARGET_ADDRESS_COST): New.
	(TARGET_RTX_COSTS): Uncomment.  Oops.
	* cse.c (address_cost): Use new target hook.
	(default_address_cost): New.
	* output.h (default_address_cost): Declare.
	* hooks.c (hook_int_rtx_0): New.
	* hooks.h (hook_int_rtx_0): Declare.
	* loop.c (combine_givs_p): Remove if 0 code.
	* system.h (ADDRESS_COST): Poison.

	* config/alpha/alpha.c, config/alpha/alpha.h, config/d30v/d30v.c,
	config/d30v/d30v.h, config/ia64/ia64.c, config/ia64/ia64.h,
	config/m32r/m32r.c, config/m32r/m32r.h, config/mcore/mcore.c,
	config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.h,
	config/rs6000/rs6000.c, config/rs6000/rs6000.h, config/sparc/sparc.c,
	config/sparc/sparc.h, config/v850/v850.c, config/v850/v850.h,
	config/xtensa/xtensa.c, config/xtensa/xtensa.h
	(TARGET_ADDRESS_COST): Define as hook_int_rtx_0.
	(ADDRESS_COST): Remove.

	* config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h,
	config/avr/avr-protos.h, config/avr/avr.c, config/avr/avr.h,
	config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h,
	config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c,
	config/dsp16xx/dsp16xx.h, config/i386/i386-protos.h,
	config/i386/i386.c, config/i386/i386.h, config/i960/i960-protos.h,
	config/i960/i960.c, config/i960/i960.h, config/ip2k/ip2k-protos.h,
	config/ip2k/ip2k.c, config/ip2k/ip2k.h, config/mips/mips-protos.h,
	config/mips/mips.c, config/mips/mips.h,
	config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
	config/m68hc11/m68hc11.h, config/ns32k/ns32k-protos.h,
	config/ns32k/ns32k.c, config/ns32k/ns32k.h, config/pa/pa-protos.h,
	config/pa/pa.c, config/pa/pa.h, config/s390/s390-protos.h,
	config/s390/s390.c, config/s390/s390.h, config/vax/vax-protos.h,
	config/vax/vax.c, config/vax/vax.h
	(foo_address_cost): Make static.
	(TARGET_ADDRESS_COST): New.
	(ADDRESS_COST): Remove.

	* config/arm/arm.h, config/arm/arm.c, config/m88k/m88k.h,
	config/m88k/m88k.c, config/romp/romp.h, config/romp/romp.c,
	config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
	config/stormy16/stormy16.h
	(ADDRESS_COST): Move code ...
	(foo_address_cost): ... here.
	(TARGET_ADDRESS_COST): New.

	* config/m32r/m32r.c (m32r_address_cost): Remove.
	* config/m32r/m32r-protos.h: Update.

	* config/mmix/mmix.c (mmix_address_cost): Remove.
	* config/mmix/mmix-protos.h: Update.

	* config/mn10300/mn10300.c (mn10300_address_cost_1): Rename from
	mn10300_address_cost; move unsig allocation ...
	(mn10300_address_cost): ... here.
	(TARGET_ADDRESS_COST): New.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.h (ADDRESS_COST): Remove.

From-SVN: r61988

	* cfgloopanal.c: New file.
	* cfgloopmanip.c: New file.
	* Makefile.in (cfgloopanal.o, cfgloopmanip.o): New.
	(toplev.o, loop.o, doloop.o, unroll.o, cfgloop.o, predict.o,
	cfglayout.o): Add dependency on cfgloop.h.
	(cfgloop.o): Add flags.h dependency.
	* basic-block.h (BB_IRREDUCIBLE_LOOP, BB_SUPERBLOCK): New flags.
	(VLS_EXPECT_PREHEADERS, VLS_EXPECT_SIMPLE_LATCHES): Removed.
	(struct loop, struct loops, flow_loops_find, flow_loops_update,
	flow_loops_free, flow_loops_dump, flow_loop_dump,
	flow_loop_scan, flow_loop_tree_node_add, flow_loop_tree_node_remove,
	LOOP_TREE,,LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
	LOOP_ALL, flow_loop_outside_edge_p, flow_loop_nested_p,
	flow_bb_inside_loop_p, get_loop_body, loop_preheader_edge,
	loop_latch_edge, add_bb_to_loop, remove_bb_from_loops,
	find_common_loop, verify_loop_structure): Declarations moved to ...
	* cfgloop.h: New file.
	* bb-reorder.c (reorder_basic_blocks): Modified.
	* cfglayout.c: Include cfgloop.h.
	(cleanup_unconditional_jumps, cfg_layout_redirect_edge,
	cfg_layout_duplicate_bb, cfg_layout_initialize): Update loop structure.
	(break_superblocks): New static function.
	(cfg_layout_finalize): Use it.
	(cfg_layout_split_block): New function.
	* cfglayout.h (struct reorder_block_def): Add copy and duplicated
	fields.
	(cfg_layout_initialize, cfg_layout_redirect_edge): Declaration
	changed.
	(cfg_layout_split_block): Declare.
	* cfgloop.c: Include cfgloop.h and flags.h.
	(flow_loop_dump, flow_loops_free, flow_loop_exit_edges_find,
	get_loop_body): Avoid signed versus unsigned comparison warnings.
	(make_forwarder_block, flow_loops_find, loop_preheader_edge,
	loop_latch_edge): Modified.
	(verify_loop_structure): Modified to use flags stored in loop structure;
	check irreducible loops.
	(cancel_loop, cancel_loop_tree): New functions.
	(estimate_probability): Use loop analysis code for predictions.
	(estimate_loops_at_level):  Avoid signed versus unsigned comparison
	warnings.
	* doloop.c: Include cfgloop.h.
	* loop.c: Include cfgloop.h.
	* predict.c: Include cfgloop.h.
	* toplev.c: Include cfgloop.h.
	* unroll.c: Include cfgloop.h.
	* tracer.c (tracer): Modified.

From-SVN: r61730

	* basic-block.h: Fix comment formatting.
	* calls.c: Likewise.
	* combine.c: Likewise.
	* convert.c: Likewise.
	* gcov.c: Likewise.
	* haifa-sched.c: Likewise.
	* libgcc2.c: Likewise.
	* loop.c: Likewise.
	* profile.c: Likewise.
	* system.h: Likewise.

From-SVN: r61478

	* ifcvt.c: Fix comment typos.
	* lcm.c: Likewise.
	* libgcc2.c: Likewise.
	* local-alloc.c: Likewise.
	* loop.c: Likewise.
	* predict.c: Likewise.
	* ra-build.c: Likewise.
	* ra.c: Likewise.
	* ra-colorize.c: Likewise.
	* ra.h: Likewise.
	* ra-rewrite.c: Likewise.
	* regmove.c: Likewise.
	* reload.h: Likewise.
	* rtlanal.c: Likewise.
	* toplev.c: Likewise.
	* tree.h: Likewise.
	* unwind-dw2-fde-glibc.c: Likewise.
	* vmsdbgout.c: Likewise.

From-SVN: r61421

	* arm.h (CONDITIONAL_REGISTER_USAGE): Avoid signed/unsigned
	warning.
	* emit-rtl.c (gen_rtx_REG, set_mem_attributes_minus_bitpos,
	init_emit_once): Likewise.
	* flow.c (mark_regs_live_at_end, calculate_global_regs_live):
	Likewise.
	* function.c (assign_stack_temp_for_type): Likewise.
	* loop.c (loop_invariant_p): Likewise.
	* recog.c (push_operand): Likewise.
	* regclass.c (init_reg_sets_1): Likewise.
	* reload.c (update_auto_inc_notes): Likewise.
	* reload1.c (reload_as_needed, emit_input_reload_insns): Likewise.
	* stmt.c (expand_asm_operands): Likewise.
	* stor-layout.c (start_record_layout): Likewise.

cp:
	* class.c (layout_virtual_bases): Avoid signed/unsigned warning.

java:
	* jcf-write.c (generate_bytecode_insns): Avoid signed/unsigned
	warning.

From-SVN: r61389

re PR rtl-optimization/8988 (gcc3.2 and 3.2.1 with -O2 and -mcpu=i386 generates code that segfaults)

	PR optimization/8988
	* loop.c (maybe_eliminate_biv): Kill REG_EQUAL notes mentioning
	the biv when eliminating.

From-SVN: r60334

From-SVN: r60174

	* c-decl.c: Fix a comment typo.
	* cfg.c: Likewise.
	* cfgcleanup.c: Likewise.
	* cfglayout.c: Likewise.
	* cfgrtl.c: Likewise.
	* c-typeck.c: Likewise.
	* dominance.c: Likewise.
	* dwarf2asm.c: Likewise.
	* dwarfout.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* final.c: Likewise.
	* flow.c: Likewise.
	* function.c: Likewise.
	* gcc.c: Likewise.
	* genautomata.c: Likewise.
	* integrate.c: Likewise.
	* loop.c: Likewise.
	* loop.h: Likewise.
	* output.h: Likewise.
	* profile.c: Likewise.
	* ra.h: Likewise.
	* reload1.c: Likewise.
	* reload.c: Likewise.
	* sched-rgn.c: Likewise.
	* stmt.c: Likewise.
	* tree.h: Likewise.
	* vmsdbgout.c: Likewise.

From-SVN: r60085

	* loop.c (record_giv): Initialize not_replaceable.
	(check_final_value): Likewise.

From-SVN: r59288

From-SVN: r58800

	* combine.c: Fix comment formatting.
	* loop.c: Likewise.
	* real.c: Likewise.
	* regclass.c: Likewise.
	* regmove.c: Likewise.
	* regrename.c: Likewise.
	* reg-stack.c: Likewise.
	* reload1.c: Likewise.
	* reload.c: Likewise.
	* reload.h: Likewise.
	* unroll.c: Likewise.

From-SVN: r58583

PR opt/7409
	* loop.c (loop_regs_scan): Mark registers used for function
	argument passing as MAY_NOT_OPTIMIZE.

From-SVN: r58158

	* loop.c: Revert 2002-08-15 change.
	(LOOP_REGNO_NREGS): Ensure type is int.

From-SVN: r57992

From-SVN: r57902

	* dbxout.c: Follow spelling conventions.
	* defaults.h: Likewise.
	* df.c: Likewise.
	* diagnostic.h: Likewise.
	* doloop.c: Likewise.
	* dwarf2out.c: Likewise.
	* dwarfout.c: Likewise.
	* emit-rtl.c: Likewise.
	* except.c: Likewise.
	* explow.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* expr.h: Likewise.
	* flags.h: Likewise.
	* flow.c: Likewise.
	* fold-const.c: Likewise.
	* function.c: Likewise.
	* function.h: Likewise.
	* gcc.c: Likewise.
	* gcov-io.h: Likewise.
	* gcov.c: Likewise.
	* gcse.c: Likewise.
	* genattrtab.c: Likewise.
	* genconfig.c: Likewise.
	* genrecog.c: Likewise.
	* ggc-page.c: Likewise.
	* ggc.h: Likewise.
	* global.c: Likewise.
	* gthr-win32.h: Likewise.
	* integrate.c: Likewise.
	* jump.c: Likewise.
	* langhooks.c: Likewise.
	* langhooks.h: Likewise.
	* line-map.h: Likewise.
	* local-alloc.c: Likewise.
	* longlong.h: Likewise.
	* loop.c: Likewise.
	* loop.h: Likewise.

From-SVN: r57406

gcc/
	* real.c, real.h: Rewrite from scratch.

	* Makefile.in (simplify-rtx.o): Depend on TREE_H.
	(paranoia): New target.
	* builtins.c (fold_builtin_inf): Use new real.h interface.
	* c-common.c (builtin_define_with_hex_fp_value): Likewise.
	* c-lex.c (interpret_float): Likewise.
	* emit-rtl.c (gen_lowpart_common): Likewise.
	* optabs.c (expand_float): Use real_2expN.
	* config/ia64/ia64.md (divsi3, udivsi3): Likewise.
	* defaults.h (INTEL_EXTENDED_IEEE_FORMAT): New.
	(FLOAT_WORDS_BIG_ENDIAN): New.
	* cse.c (find_comparison_args): Don't pass FLOAT_STORE_FLAG_VALUE
	directly to REAL_VALUE_NEGATIVE.
	* loop.c (canonicalize_condition): Likewise.
	* simplify-rtx.c: Include tree.h.
	(simplify_unary_operation): Don't handle FIX and UNSIGNED_FIX
	with floating-point result modes.
	* toplev.c (backend_init): Call init_real_once.

	* fold-const.c (force_fit_type): Don't call CHECK_FLOAT_VALUE.
	* tree.c (build_real): Likewise.
	* config/alpha/alpha.c, config/vax/vax.c (float_strings,
	float_values, inited_float_values, check_float_value): Remove.
	* config/alpha/alpha.h, config/m68hc11/m68hc11.h,
	config/m88k/m88k.h, config/vax/vax.h (CHECK_FLOAT_VALUE): Remove.
	* doc/tm.texi (CHECK_FLOAT_VALUE): Remove.

gcc/f/
	* target.c (ffetarget_real1): Don't pass FFETARGET_ATOF_
	directly to ffetarget_make_real1.
	(ffetarget_real2): Similarly.
	* target.h (ffetarget_cvt_r1_to_rv_, ffetarget_cvt_rv_to_r2_,
	ffetarget_cvt_r2_to_rv_): Use new real.h interface and simplify.

gcc/java/
	* jcf-parse.c (get_constant): Runtime check for IEEE format;
	use new real.h interface.
	* jcf-write.c (find_constant_index): Use new real.h interface.
	* lex.c (IS_ZERO): Use REAL_VALUES_EQUAL.

contrib/
	* paranoia.cc: New file.

From-SVN: r57198

	* ABOUT-NLS: Follow spelling conventions.
	* ChangeLog: Likewise.
	* ChangeLog.1: Likewise.
	* ChangeLog.2: Likewise.
	* ChangeLog.3: Likewise.
	* ChangeLog.4: Likewise.
	* ChangeLog.5: Likewise.
	* ChangeLog.6: Likewise.
	* FSFChangeLog.10: Likewise.
	* FSFChangeLog.11: Likewise.
	* c-common.c: Likewise.
	* c-lex.c: Likewise.
	* c-objc-common.c: Likewise.
	* cppexp.c: Likewise.
	* cppinit.c: Likewise.
	* cpplex.c: Likewise.
	* doloop.c: Likewise.
	* flow.c: Likewise.
	* function.c: Likewise.
	* integrate.c: Likewise.
	* loop.c: Likewise.
	* reg-stack.c: Likewise.
	* reload.h: Likewise.
	* ssa.c: Likewise.

From-SVN: r57188

	* ChangeLog: Follow spelling conventions.
	* ChangeLog.0: Likewise.
	* ChangeLog.2: Likewise.
	* ChangeLog.3: Likewise.
	* ChangeLog.4: Likewise.
	* ChangeLog.5: Likewise.
	* ChangeLog.6: Likewise.
	* cppfiles.c: Likewise.
	* cppinit.c: Likewise.
	* cpplib.h: Likewise.
	* cse.c: Likewise.
	* debug.h: Likewise.
	* df.c: Likewise.
	* dominance.c: Likewise.
	* hashtable.c: Likewise.
	* hashtable.h: Likewise.
	* loop.c: Likewise.
	* config/arm/README-interworking: Likewise.
	* config/arm/arm.c: Likewise.
	* config/arm/arm.h: Likewise.
	* config/arm/arm.md: Likewise.
	* config/dsp16xx/dsp16xx.h: Likewise.
	* config/frv/frv.c: Likewise.
	* config/frv/frv.h: Likewise.
	* config/ip2k/ip2k.h: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	* config/stormy16/stormy-abi: Likewise.
	* config/stormy16/stormy16.h: Likewise.
	* config/v850/v850.c: Likewise.

From-SVN: r57146

From-SVN: r57145

	PR optimization/6405
	* unroll.c (loop_iterations): last_loop_insn should be the previous
	non-note instruction before loop->end.
	* loop.c (strength_reduce): The conditional jump is the last
	non-note instruction before loop->end (as above).

From-SVN: r56956

	* basic-block.h: Fix comment formatting.
	* c-common.c: Likewise.
	* c-common.h: Likewise.
	* c-lex.c: Likewise.
	* c-pretty-print.c: Likewise.
	* cfglayout.c: Likewise.
	* cfgloop.c: Likewise.
	* defaults.h: Likewise.
	* et-forest.c: Likewise.
	* explow.c: Likewise.
	* function.h: Likewise.
	* gcov.c: Likewise.
	* genattrtab.c: Likewise.
	* gengtype.c: Likewise.
	* ifcvt.c: Likewise.
	* libgcc2.c: Likewise.
	* loop.c: Likewise.
	* profile.c: Likewise.
	* ra-build.c: Likewise.
	* real.c: Likewise.
	* rtl.h: Likewise.
	* tracer.c: Likewise.
	* tree-inline.c: Likewise.
	* varasm.c: Likewise.

From-SVN: r56952

2002-09-08  Jan Hubicka  <jh@suse.cz>

	* emit-rtl.c (set_mem_attributes_minus_bitpos): Fix array_ref
	handling.

	* loop.c (loop_gics_reduce):  Emit addition after.

From-SVN: r56950

gcc:
	* loop.c (scan_loop): Don't mark separate insns out of a libcall
	for moving.
	(move_movables): Abort if we see the first insn of a libcall.
gcc/testsuite
	* gcc.c-torture/execute/loop-14.c: New test.

From-SVN: r56823

	* loop.c (scan_loop, move_movables, count_one_set): Cast to avoid
	signed/unsigned warnings.

	* regclass.c (init_reg_sets_1, choose_hard_reg_mode,
	record_reg_classes): Likewise.

	* reload.c (reload_inner_reg_of_subreg, push_reload,
	find_reloads_address_1): Likewise.

From-SVN: r56350

2002-08-05  Geoffrey Keating  <geoffk@redhat.com>

	* attribs.c: Don't include obstack.h.
	* builtins.c: Likewise.
	* cfganal.c: Likewise.
	* cfgbuild.c: Likewise.
	* cfgcleanup.c: Likewise.
	* emit-rtl.c: Likewise.
	* loop.c: Likewise.
	* stmt.c: Likewise.

Index: cp/ChangeLog
2002-08-05  Geoffrey Keating  <geoffk@redhat.com>

	* class.c: Don't include obstack.h.
	(popclass):
	* decl2.c: Delete bogus comment.
	* error.c: Don't include obstack.h.
	* except.c: Likewise.
	(dump_type): Correct comment.
	* method.c: Don't include obstack.h.
	* tree.c: Likewise.

Index: java/ChangeLog
2002-08-05  Geoffrey Keating  <geoffk@redhat.com>

	* mangle_name.c: Don't include obstack.h twice.
	* xref.c: Don't include obstack.h.

From-SVN: r56055

	* genautomata.c (VLA_HWINT_SHORTEN, VLA_HWINT_LAST): Remove.
	* df.c (HANDLE_SUBREG, FOR_EACH_BB_IN_BITMAP_REV,
	FOR_EACH_BB_IN_SBITMAP): Remove.
	* gcse.c (NEVER_SET, FOLLOW_BACK_EDGES): Remove.
	* haifa-sched.c (DONE_PRIORITY, MAX_PRIORITY, TAIL_PRIORITY,
	LAUNCH_PRIORITY, DONE_PRIORITY_P, LOW_PRIORITY_P): Remove.
	* loop.c (PREFETCH_BLOACK_IN_LOOP_MIN,
	PREFETCH_LIMIT_TO_SIMULTANEOUS): Remove.
	* regrename.c (REGNO_MODE_OK_FOR_BASE_P): Remove.

From-SVN: r55685

	* defaults.h (obstack_chunk_alloc, obstack_chunk_free):
	Default definition.
	* gcse.c: Don't define obstack_chunk_free.
	* collect2.c, conflict.c, df.c, diagnostic.c, fix-header.c,
	flow.c, gcc.c, genattrtab.c, genautomata.c, genflags.c, gensupport.c,
	integrate.c, loop.c, ra.c, read-rtl.c, regrename.c, reload1.c,
	reorg.c, tlink.c, tree.c, config/arm/arm.c, objc/objc-act.c:
	Don't define obstack macros.
cp:
	* class.c, method.c, pt.c, search.c: Similarly.

From-SVN: r55665