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375 Commits

Author SHA1 Message Date
David Edelsohn 859b9c1dcf reload.c (refers_to_regno_for_reload_p): Test regno, not inner_regno, against FIRST_PSEUDO_REGISTER. 
* reload.c (refers_to_regno_for_reload_p): Test regno, not inner_regno,
	against FIRST_PSEUDO_REGISTER.

From-SVN: r77276
 2004-02-04 17:35:46 -05:00
Jan Hubicka 66fd46b6c6 alias.c (record_set): Use hard_regno_nregs. 
* alias.c (record_set): Use hard_regno_nregs.
	* bt-load.c (find_btr_reference, note_btr_set): Likewise.
	* builtins.c (apply_args_size): Likewise.
	* caller-save.c (setup_save_areas, save_call_clobbered_regs,
	mark_set_regs, add_stored_regs, mark_referenced_regs,
	insert_restore, insert_save, insert_one_insn): Likewise.
	* cfgcleanup.c: Include regs.h
	(mark_effect, mentions_nonequal_regs): Likewise.
	* cfgrtl.c (mark_killed_regs): Likewise
	* combine.c (update_table_tick, record_value_for_reg,
	record_dead_and_set_regs, get_last_value_validate, use_crosses_set_p,
	reg_dead_at_p_1, reg_dead_at_p, mark_used_regs_combine, move_deaths,
	reg_bitfield_target_p, distribute_notes): Likewise.
	* cse.c (mention_regs, insert, invalidate, invalidate_for_call,
	exp_equiv_p, cse_insn): Likewise.
	* cselib.c (cselib_lookup): Likewise.
	(cselib_invalidate_regno, cselib_record_set): Likewise.
	* df.c (df_ref_record): Likewise.
	* dwarf2out.c (reg_loc_descriptor, multiple_reg_loc_descriptor):
	Likewise.
	* flow.c (mark_reg, insn_dead_p, mark_set_1, mark_used_reg,
	count_or_remove_death_notes_bb): Likewise.
	* function.c (aggregate_value_p, keep_stack_depressed): Likewise.
	* gloval.c (global_alloc, find_reg, mark_reg_store, mark_reg_conflicts,
	mark_reg_death, set_preference, reg_becomes_live, reg_dies): Likewise.
	* integrate.c (mark_stores): Likewise.
	* jump.c (delete_prior_computation): Likewise.
	* lcm.c (reg_dies, reg_becomes_live): Likewise.
	* local-alloc.c (combine_regs, find_free_reg, post_mark_life): Likewise.
	* loop.c (LOOP_REGNO_NREGS): Likewise.
	* postreload.c (reload_combine, reload_combine_note_store,
	reload_combine_note_use, reload_cse_move2add, move2add_note_store): Likewise.
	* ra-colorize.c (combine, color_usable_p, get_free_reg,
	calculate_dont_begin, calculate_dont_begin, colorize_one_web,
	try_recolor_web, insert_coalesced_conflicts, check_colors,
	break_precolored_alias): Likewise.
	* ra-debug.c: Include regs.h
	(ra_print_rtx_object): Likewise.
	* ra-rewrite (choose_spill_colors): Likewise.
	(spill_same_color_p, update_spill_colors, spill_is_free): Likewise.
	* ra.c (init_ra): Likewise.
	* recog.c (reg_fits_class_p, peep2_reg_dead_p,
	peep2_find_free_register): Likewise.
	* reg-stack.c (subst_stack_regs_pat, convert_regs_exit): Likewise.
	* regclass.c (hard_regno_nregs): New array.
	(init_reg_modes_once): Initialize it.
	(choose_hard_reg_mode): Use it.
	(record_reg_classes): Likewise.
	* regmove.c (mark_flags_life_zones): Likewise.
	* regrename.c (note_sets, clear_dead_regs, regrename_optimize,
	scan_rtx_reg, dump_def_use_chain, kill_value, set_value_regno,
	copy_value, maybe_mode_change, find_oldest_value_reg,
	copyprop_hardreg_forward_1):
	* regs.h (hard_regno_nregs): Declare.
	* realod.c (reload_inner_reg_of_subreg): Use it.
	(push_reload, combine_reloads, find_dummy_reload,
	hard_reg_set_here_p, operands_match_p, decompose, find_reloads,
	refers_to_regno_for_reload_p, find_equiv_reg, regno_clobbered_p,
	reload_adjust_reg_for_mode): Likewise.
	* reload1.c (compute_use_by_pseudos, count_pseudo,
	count_spilled_pseudo, find_reg, find_reload_regs, mark_home_live,
	spill_hard_reg, forget_old_reloads_1, mark_reload_reg_in_use,
	clear_reload_reg_in_use, reload_reg_free_for_value_p, free_for_value_p
	allocate_reload_reg, choose_reload_regs, emit_reload_insns,
	delete_output_reload): Likewise.
	* resource.c (update_live_status, mark_referenced_resources,
	mark_set_resources, mark_target_live_regs): Likewise.
	* rtlanal.c:  Include regs.h
	(refers_to_regno_p, reg_overlap_mentioned_p, dead_or_set_p,
	dead_or_set_regno_p, find_regno_note, find_reg_fusage,
	subreg_regno_offset, subreg_offset_representable_p,
	hoist_test_store): Likewise.
	* sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
	* sched-rgn.c (check_live_1, update_live_1): Likewise.
	* stmt.c: Include regs.h
	(decl_conflicts_with_clobbers_p): Likewise.
	* varasm.c (make_decl_rtl): Likewise.
	* Makefile.in (cfgcleanup.o, rtlanal.o, ra-debug.o): Add regs.h dependnecy.

From-SVN: r77088
 2004-02-02 00:17:18 +00:00
Jan Hubicka 98e5e08701 reload.c (get_secondary_mem): Fix updating of secondary_memlocs_elim_used. 
* reload.c (get_secondary_mem):  Fix updating of
	secondary_memlocs_elim_used.

From-SVN: r76989
 2004-01-30 20:42:24 +00:00
Jan Hubicka 048b0d2ef9 reload.c (secondary_memlocs_elim_used): New static variable. 
* reload.c (secondary_memlocs_elim_used): New static variable.
	(get_secondary_mem): Update it.
	(find_reloads): Use it.

From-SVN: r76950
 2004-01-30 11:28:37 +00:00
Ian Lance Taylor 7e3aa04196 re PR inline-asm/6162 (i386 asm reloader ice in reload_cse_simplify_operands) 
PR inline-asm/6162
	* reload.c (find_reloads): Only support one pair of commutative
	operands.

From-SVN: r76886
 2004-01-29 18:40:01 +00:00
Kazu Hirata d9221e016b alias.c, [...]: Update copyright. 
* alias.c, basic-block.h, c-common.c, c-common.h,
	c-cppbuiltin.c, c-opts.c, c-pragma.c, c-pretty-print.c,
	calls.c, cfg.c, cfgcleanup.c, cfgrtl.c, cgraph.h, collect2.c,
	combine.c, cppcharset.c, cpphash.h, cppinit.c, cpplib.c,
	cpplib.h, cppmacro.c, crtstuff.c, cselib.c, cselib.h,
	defaults.h, df.c, dominance.c, et-forest.c, expmed.c, expr.c,
	expr.h, fix-header.c, function.h, gcc.c, gcse.c, genattrtab.c,
	genautomata.c, genconditions.c, genemit.c, genflags.c,
	gengtype.c, gengtype.h, genopinit.c, genrecog.c, gensupport.c,
	ggc-zone.c, graph.c, haifa-sched.c, input.h, integrate.c,
	langhooks-def.h, langhooks.c, langhooks.h, line-map.c,
	line-map.h, local-alloc.c, optabs.c, optabs.h, postreload.c,
	ra.h, recog.c, reg-stack.c, regmove.c, reload.c, reorg.c,
	rtl.c, sched-deps.c, sched-ebb.c, sdbout.c, system.h,
	target.h, targhooks.c, toplev.h, tree-inline.c, unwind-pe.h,
	unwind.h, varray.c, varray.h: Update copyright.

From-SVN: r76302
 2004-01-21 20:40:04 +00:00
Jan Hubicka 0bcf8261f4 Partial fix for PR opt/10776 
Partial fix for PR opt/10776
	* Makefile.in (reload.o): Include param.h
	* params.def (PARAM_MAX_RELOAD_SEARCH_INSNS): New parameter.
	* reload.c: Include params.h.
	(find_equiv_reg): Work limiting check.
	* invoke.texi: Document.

From-SVN: r75679
 2004-01-11 15:56:26 +00:00
J"orn Rennecke 69f38ab9fd reload.c (reg_overlap_mentioned_for_reload_p): When looking at a PLUS in X... 
* reload.c (reg_overlap_mentioned_for_reload_p):
	When looking at a PLUS in X, avoid spuriously returning nonzero
	when IN is a REG or another simple PLUS, or a MEM containing one.

	* loop.c (loop_invariant_p): Amend comment about where new registers
	might come from.

From-SVN: r74638
 2003-12-15 17:42:43 +00:00
Richard Sandiford 8a89dbd242 re PR target/13186 ([PPC] Internal compiler error in reload.c) 
PR target/13186

	Revert all of the following patch, except the addition of
	hook_bool_machine_mode_true:

	2003-11-02  Richard Sandiford  <rsandifo@redhat.com>

	* Makefile.in (targhooks.o, reload.o): Update dependencies.
	(GTFILES): Add targhooks.c.
	(gt-targhooks.h): New rule; depend on s-gtype.
	* target.h (direct_pool_load_p): New hook.
	* target-def.h (TARGET_DIRECT_POOL_LOAD_P): New macro.
	(TARGET_INITIALIZER): Include it.
	* targhooks.h (default_direct_pool_load_p): Declare.
	(hook_bool_machine_mode_true): Declare.
	* targhooks.c: Include insn-config.h, recog.h, ggc.h and
	gt-targhooks.h.
	(pool_symbol): New variable.
	(default_direct_pool_load_p): New function.
	(hook_bool_machine_mode_true): New function.
	* reload.c: Include target.h.
	(find_reloads): If an alternative will force a constant into memory,
	count an extra reload if constant pool symbols are not valid
	addresses.  If an alternative uses memory to move values between
	registers, count the move as two reloads rather than one.
	* config/s390/s390.c (TARGET_DIRECT_POOL_LOAD_P): Define.
	* doc/tm.texi (TARGET_DIRECT_POOL_LOAD_P): Document.

From-SVN: r74275
 2003-12-04 09:11:19 +00:00
Ulrich Weigand 0422e94065 reload.c (find_reloads_address): Split addresses of type (plus (plus (reg) (reg)) (const_int)) only if... 
* reload.c (find_reloads_address): Split addresses of type
	(plus (plus (reg) (reg)) (const_int)) only if one register
	is either a valid base register or else one of the stack
	frame related registers (sp/fp/ap).

From-SVN: r74107
 2003-12-01 16:17:32 +00:00
Andreas Krebbel b04a1b3b0c reload.c (find_reloads): Added missing type casts. 
2003-11-19  Andreas Krebbel  <krebbel1@de.ibm.com>

	* reload.c (find_reloads): Added missing type casts.

From-SVN: r73748
 2003-11-20 00:18:46 +00:00
Richard Sandiford 0938c9e8fb Makefile.in (targhooks.o, reload.o): Update dependencies. 
* Makefile.in (targhooks.o, reload.o): Update dependencies.
	(GTFILES): Add targhooks.c.
	(gt-targhooks.h): New rule; depend on s-gtype.
	* target.h (direct_pool_load_p): New hook.
	* target-def.h (TARGET_DIRECT_POOL_LOAD_P): New macro.
	(TARGET_INITIALIZER): Include it.
	* targhooks.h (default_direct_pool_load_p): Declare.
	(hook_bool_machine_mode_true): Declare.
	* targhooks.c: Include insn-config.h, recog.h, ggc.h and
	gt-targhooks.h.
	(pool_symbol): New variable.
	(default_direct_pool_load_p): New function.
	(hook_bool_machine_mode_true): New function.
	* reload.c: Include target.h.
	(find_reloads): If an alternative will force a constant into memory,
	count an extra reload if constant pool symbols are not valid
	addresses.  If an alternative uses memory to move values between
	registers, count the move as two reloads rather than one.
	* config/s390/s390.c (TARGET_DIRECT_POOL_LOAD_P): Define.
	* doc/tm.texi (TARGET_DIRECT_POOL_LOAD_P): Document.

From-SVN: r73196
 2003-11-02 09:34:54 +00:00
Richard Earnshaw b1f9e3147f re PR rtl-optimization/11271 ([arm-elf] regex.c ICEs for thumb multilib) 
PR target/11271
* reload.c (find_reloads_address): Handle any register in
(PLUS (PLUS (REG) (REG)) (CONST_INT).

From-SVN: r73136
 2003-10-31 11:37:20 +00:00
James E Wilson 3b6c3bb05d Fix problem noticed by Dale Johannesen on the gcc list. 
* recog.c (asm_operand_ok): Add missing break after case 'X'.
	Change if statements to else if statements in default case.
	(extract_constrain_insn_cached): Fix misspelling of constrain_operands
	in comment.
	(constrain_operands_cached): Likewise.
	(constrain_operands): Change if statements to else if statements in
	default case.
	* reload.c (find_reloads): Likewise.

From-SVN: r73074
 2003-10-29 17:40:48 -08:00
Ulrich Weigand 6357135a0e reload.c (find_reloads_subreg_address): Use correct offset for paradoxical MEM subregs on big-endian targets. 
* reload.c (find_reloads_subreg_address): Use correct offset for
	paradoxical MEM subregs on big-endian targets.

From-SVN: r72153
 2003-10-06 15:56:07 +00:00
Kaveh R. Ghazi 703ad42b4b alias.c [...]: Remove unnecessary casts. 
* alias.c alloc-pool.c bitmap.c bitmap.h bt-load.c builtins.c
	c-common.c c-decl.c c-incpath.c c-lex.c c-opts.c c-parse.in
	c-pragma.c c-typeck.c calls.c cfg.c cfganal.c cfgloop.c cfgrtl.c
	collect2.c combine.c conflict.c coverage.c cppexp.c cppfiles.c
	cpphash.c cppinit.c cpplex.c cpplib.c cppmacro.c cppspec.c
	cpptrad.c cse.c cselib.c dbxout.c defaults.h df.c dominance.c
	dwarf2out.c dwarfout.c emit-rtl.c except.c expmed.c expr.c final.c
	fix-header.c flow.c fold-const.c function.c gcc.c gccspec.c gcov.c
	gcse.c genattr.c genattrtab.c genautomata.c genconditions.c
	genemit.c genextract.c genoutput.c genrecog.c gensupport.c
	ggc-page.c ggc-simple.c global.c graph.c haifa-sched.c hashtable.c
	integrate.c jump.c langhooks.c lcm.c line-map.c local-alloc.c
	loop.c mips-tdump.c mips-tfile.c mkdeps.c optabs.c params.c
	postreload.c prefix.c print-tree.c protoize.c ra-build.c
	ra-colorize.c ra-rewrite.c ra.c recog.c reg-stack.c regclass.c
	regmove.c regrename.c reload.c reload1.c reorg.c resource.c
	sbitmap.c sched-deps.c sched-rgn.c sched-vis.c sdbout.c
	simplify-rtx.c ssa-ccp.c ssa.c stmt.c stor-layout.c timevar.c
	tlink.c toplev.c tree-dump.c tree.c unroll.c unwind-dw2-fde.c
	varasm.c varray.c vmsdbgout.c xcoffout.c: Remove unnecessary
	casts.

From-SVN: r69587
 2003-07-19 14:47:15 +00:00
Andreas Jaeger 0c20a65f04 jump.c: Convert prototypes to ISO C90. 
* jump.c: Convert prototypes to ISO C90.
	* langhooks-def.h: Likewise.  Add extern to prototypes.
	* langhooks.c: Likewise.
	* langhooks.h: Likewise.
	* lcm.c: Likewise.
	* local-alloc.c: Likewise.
	* loop-init.c: Likewise.
	* loop-unroll.c: Likewise.
	* loop-unswitch.c: Likewise.
	* loop.c: Likewise.
	* loop.h: Likewise. Add extern to prototypes.
	* machmode.h: Likewise.
	* main.c: Likewise.
	* mbchar.c: Likewise.
	* mbchar.h: Likewise.
	* mkdeps.c: Likewise.
	* mkdeps.h: Likewise.
	* optabs.c: Likewise.
	* optabs.h: Likewise.
	* output.h: Likewise.
	* gccspec.c: Likwise.
	* postreload.c: Likewise.
	* prefix.c: Likewise.
	* prefix.h: Likewise.
	* print-rtl.c: Likewise.
	* print-tree.c: Likewise.
	* profile.c: Likewise.
	* read-rtl.c: Likewise.
	* real.c: Likewise.
	* real.h: Likewise.
	* recog.c: Likewise.
	* recog.h: Likewise.
	* reg-stack.c: Likewise.
	* regclass.c: Likewise.
	* regmove.c: Likewise.
	* regrename.c: Likewise.
	* regs.h: Likewise.
	* reload.c: Likewise.
	* reload.h: Likewise.
	* reload1.c: Likewise.
	* reorg.c: Likewise.
	* resource.c: Likewise.
	* resource.h: Likewise.
	* rtl-error.c: Likewise.
	* rtl.c: Likewise.
	* rtl.h: Likewise.
	* rtlanal.c: Likewise.

From-SVN: r68998
 2003-07-06 11:56:09 +02:00
Kazu Hirata e0bb17a83f basic-block.h: Fix comment typos. 
* basic-block.h: Fix comment typos.
	* bb-reorder.c: Likewise.
	* c-format.c: Likewise.
	* cfgcleanup.c: Likewise.
	* cfghooks.h: Likewise.
	* cfgloop.c: Likewise.
	* cfgloopmanip.c: Likewise.
	* cfgrtl.c: Likewise.
	* cgraph.h: Likewise.
	* cgraphunit.c: Likewise.
	* combine.c: Likewise.
	* convert.c: Likewise.
	* dbxout.c: Likewise.
	* df.c: Likewise.
	* df.h: Likewise.
	* diagnostic.c: Likewise.
	* dwarf2out.c: Likewise.
	* et-forest.h: Likewise.
	* flow.c: Likewise.
	* fold-const.c: Likewise.
	* function.h: Likewise.
	* gcov-io.h: Likewise.
	* gcov.c: Likewise.
	* gcse.c: Likewise.
	* genautomata.c: Likewise.
	* ggc-common.c: Likewise.
	* ggc-page.c: Likewise.
	* loop-unroll.c: Likewise.
	* loop-unswitch.c: Likewise.
	* loop.c: Likewise.
	* mips-tfile.c: Likewise.
	* optabs.c: Likewise.
	* ra-build.c: Likewise.
	* ra-colorize.c: Likewise.
	* ra-rewrite.c: Likewise.
	* ra.h: Likewise.
	* regmove.c: Likewise.
	* reload.c: Likewise.
	* rtlanal.c: Likewise.
	* sched-ebb.c: Likewise.
	* sched-int.h: Likewise.
	* sched-vis.c: Likewise.
	* sreal.c: Likewise.
	* ssa-ccp.c: Likewise.
	* ssa.c: Likewise.
	* toplev.c: Likewise.
	* tree-inline.c: Likewise.
	* value-prof.c: Likewise.
	* value-prof.h: Likewise.

From-SVN: r68770
 2003-07-01 12:18:01 +00:00
James E Wilson bd235d86cd reload.c (find_reloads): Change push_reloads to push_reload in comment. 
* reload.c (find_reloads): Change push_reloads to push_reload in
comment.
* reload1.c (eliminate_regs): Likewise.
(dump_needs): Delete prototype for deleted function.

From-SVN: r68691
 2003-06-29 20:11:48 -07:00
Hans-Peter Nilsson 37706dd19d defaults.h (REGISTER_MOVE_COST): Define default here. 
* defaults.h (REGISTER_MOVE_COST): Define default here.
	* regclass.c: Don't define default REGISTER_MOVE_COST here.
	* reload.c, reload1.c: Ditto.

From-SVN: r68567
 2003-06-27 12:40:13 +00:00
J"orn Rennecke 35d6034bcb reload.c (can_reload_into): New function. 
* reload.c (can_reload_into): New function.
	(push_reload): Use it.

From-SVN: r68542
 2003-06-26 21:07:23 +01:00
Kazu Hirata 6356f89288 ChangeLog: Follow spelling conventions. 
* ChangeLog: Follow spelling conventions.
	* ChangeLog.2: Likewise.
	* c-decl.c: Likewise.
	* cfgloop.h: Likewise.
	* cgraph.c: Likewise.
	* coverage.c: Likewise.
	* cppcharset.c: Likewise.
	* cpphash.h: Likewise.
	* cpplex.c: Likewise.
	* cpplib.c: Likewise.
	* dbxout.c: Likewise.
	* df.c: Likewise.
	* dwarf2out.c: Likewise.
	* dwarfout.c: Likewise.
	* emit-rtl.c: Likewise.
	* explow.c: Likewise.
	* gcov-io.c: Likewise.
	* gcov-io.h: Likewise.
	* gcov.c: Likewise.
	* gengtype.c: Likewise.
	* ggc.h: Likewise.
	* opts.c: Likewise.
	* real.c: Likewise.
	* reload.c: Likewise.
	* stmt.c: Likewise.

From-SVN: r67849
 2003-06-12 19:01:08 +00:00
DJ Delorie 57458e8a15 reload.c (find_reloads): Also check that all of a multi-reg value is in the class. 
* reload.c (find_reloads): Also check that all of a multi-reg
value is in the class.

From-SVN: r66366
 2003-05-01 20:53:45 -04:00
Jan Hubicka 04c5580f37 emit-rtl.c (subreg_hard_regno): Check that register is representable. 
* emit-rtl.c (subreg_hard_regno):  Check that register is representable.
	* reload.c (reload_inner_reg_of_subreg):  When register is not
	representable, reload the whole thing.
	(find_reloads): Likewsie.
	* rtlanal.c (subreg_representable_p):  New function.

	* profile.c (compute_branch_probabilities):  Cleanup sanity checking;
	allow negative probabilities for edges from the call to exit.
	(branch_prob): Do not add fake edges for functions that may return twice

From-SVN: r65757
 2003-04-17 23:31:41 +00:00
Eric Botcazou 27e484bc57 re PR target/7784 ([Sparc] ICE in extract_insn, at recog.c:2148) 
PR target/7784
	* reload.c (find_reloads_address): Handle
	(PLUS (PLUS (REG) (REG)) (CONST_INT)) form for
	all base registers.

From-SVN: r64887
 2003-03-26 07:48:15 +00:00
Alexandre Oliva f12448c818 reload.c (reload_adjust_reg_for_mode): New function. 
* reload.c (reload_adjust_reg_for_mode): New function.
(subst_reloads): Call it.
(operands_match_p): Adjust registers using HARD_REGNO_NREGS.
* reload.h (reload_adjust_reg_for_mode): Declare.
* reload1.c (emit_input_reload_insns, emit_output_reload_insns):
Call it.

From-SVN: r63766
 2003-03-04 05:54:39 +00:00
Ulrich Weigand 9537511bfa reload.c (find_reloads): Do not use the mode specified in the insn pattern as reload mode for address... 
* reload.c (find_reloads): Do not use the mode specified in the insn
	pattern as reload mode for address operands.  Do not generate optional
	reloads for operands where a mandatory reload was already pushed.

From-SVN: r62410
 2003-02-04 22:47:23 +00:00
Ulrich Weigand 112f7223d1 * reload.c: Revert 2003-01-31 change. 
From-SVN: r62249
 2003-02-01 17:14:32 +00:00
Ulrich Weigand 2f278625ee reload.c (find_reloads): Do not use the mode specified in the insn pattern as reload mode for address... 
gcc/
	* reload.c (find_reloads): Do not use the mode specified in the insn
	pattern as reload mode for address operands.  Do not generate optional
	reloads for operands where a mandatory reload was already pushed.
	Generate optional reloads only in the final pass though find_reloads.
	(have_replacement_p): New function.

gcc/testsuite/
	* gcc.dg/20030129-1.c: New test.

From-SVN: r62225
 2003-02-01 01:01:38 +00:00
Jan Hubicka b0c42aed31 loop.c (emit_prefetch_instructions): Do conversion at right place in RTL chain. 
* 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
 2003-01-31 23:34:17 +00:00
Ulrich Weigand acf9fa5f14 reload.c (maybe_memory_address_p): New function. 
gcc/
        * reload.c (maybe_memory_address_p): New function.
        (find_reloads_address): Use it instead of memory_address_p.

gcc/testsuite/
	* gcc.dg/20030123-1.c: New test.

From-SVN: r61805
 2003-01-25 23:57:30 +00:00
Kaveh R. Ghazi fc55537052 arm.h (CONDITIONAL_REGISTER_USAGE): Avoid signed/unsigned warning. 
* 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
 2003-01-16 15:13:33 +00:00
Joern Rennecke 58b23af855 Add 2003 copyright notices for constraints string patch, also 2002 notice 
for genoutput.c .

From-SVN: r61258
 2003-01-13 21:37:13 +00:00
J"orn Rennecke 9748887028 defaults.h (EXTRA_MEMORY_CONSTRAINT): Add STR argument. 
* defaults.h (EXTRA_MEMORY_CONSTRAINT): Add STR argument.
	(EXTRA_ADDRESS_CONSTRAINT): Likewise.
	(CONSTRAINT_LEN): Provide default definition.
	(CONST_OK_FOR_CONSTRAINT_P): Likewise.
	(CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Likewise.
	(EXTRA_CONSTRAINT_STR): Likewise.
	(REG_CLASS_FROM_CONSTRAINT): Define.
	* genoutput.c (check_constraint_len, constraint_len): New functions.
	(validate_insn_alternatives): Check CONSTRAINT_LEN for each
	constraint / modifier.
	(gen_insn): Call check_constraint_len.
	* local-alloc.c (block_alloc): Update to use new macros / pass
	second argument to EXTRA_{MEMORY,ADDRESS}_CONSTRAINT.
	* ra-build.c (handle_asm_insn): Likewise.
	* recog.c (asm_operand_ok, preprocess_constraints): Likewise.
	(constrain_operands, peep2_find_free_register): Likewise.
	* regclass.c (record_operand_costs, record_reg_classes): Likewise.
	* regmove.c (find_matches): Likewise.
	* reload.c (push_secondary_reload, find_reloads): Likewise.
	(alternative_allows_memconst): Likewise.
	* reload1.c (maybe_fix_stack_asms): Likewise.
	(reload_cse_simplify_operands): Likewise.
	* stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
	* doc/tm.texi (CONSTRAINT_LEN, REG_CLASS_FROM_CONSTRAINT): Document.
	(CONST_OK_FOR_CONSTRAINT_P): Likewise.
	(CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR): Likewise.
	(EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT): Add STR argument.
	* config/s390/s390.h (EXTRA_MEMORY_CONSTRAINT): Likewise.

From-SVN: r61119
 2003-01-09 17:28:49 +00:00
Kazu Hirata 14b493d64d regmove.c: Fix comment typos. 
* regmove.c: Fix comment typos.
	* reload.c: Likewise.
	* reload1.c: Likewise.
	* resource.c: Likewise.
	* rtl.def: Likewise.
	* rtl.h: Likewise.
	* rtlanal.c: Likewise.
	* sched-deps.c: Likewise.
	* sched-rgn.c: Likewise.
	* sibcall.c: Likewise.
	* simplify-rtx.c: Likewise.
	* ssa-ccp.c: Likewise.
	* ssa.c: Likewise.
	* stmt.c: Likewise.
	* stor-layout.c: Likewise.
	* system.h: Likewise.
	* tlink.c: Likewise.
	* toplev.c: Likewise.
	* tracer.c: Likewise.
	* tree-inline.c: Likewise.
	* tree.c: Likewise.
	* tree.h: Likewise.
	* unroll.c: Likewise.
	* varasm.c: Likewise.

From-SVN: r60473
 2002-12-24 08:30:34 +00:00
Zack Weinberg 4977bab6ed Merge basic-improvements-branch to trunk 
From-SVN: r60174
 2002-12-16 18:23:00 +00:00
Kazu Hirata 09da15320b c-decl.c: Fix a comment typo. 
* 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
 2002-12-13 00:17:22 +00:00
Ulrich Weigand 3ba2436a67 recog.c (constrain_operands): Prefer exact match over reloadable EXTRA_MEMORY_CONSTRAINT or... 
* recog.c (constrain_operands): Prefer exact match over reloadable
	EXTRA_MEMORY_CONSTRAINT or EXTRA_ADDRESS_CONSTRAINT.

	* reload.c (find_reloads): Always reload EXTRA_ADDRESS_CONSTRAINT
	operands in Pmode.

From-SVN: r59308
 2002-11-20 17:05:08 +00:00
Aldy Hernandez cff9f8d509 hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): New. 
2002-11-04  Aldy Hernandez  <aldyh@redhat.com>

	* hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): New.

	* config/rs6000/rs6000.h (CLASS_CANNOT_CHANGE_MODE_P): Remove.
	(CLASS_CANNOT_CHANGE_MODE): Remove.
	(CANNOT_CHANGE_MODE_CLASS): New.

	* config/alpha/alpha.h: Same.

	* config/ia64/ia64.h: Same.

	* config/mips/mips.h: Same.

	* config/s390/s390.h: Same.

	* config/sh/sh.h: Same.

	* config/pa/pa64-regs.h: Same.

	* config/sh/sh-protos.h (sh_cannot_change_mode_class): Add prototype.

	* config/sh/sh.c (sh_cannot_change_mode_class): New.

	* config/mips/mips-protos.h (mips_cannot_change_mode_class): Add
	prototype.

	* config/mips/mips.c (mips_cannot_change_mode_class): New.

	* doc/tm.texi (Register Classes): Remove
	CLASS_CANNOT_CHANGE_MODE and CLASS_CANNOT_CHANGE_MODE_P.
	Document CANNOT_CHANGE_MODE_CLASS.

	* reload.c (push_reload): Use CANNOT_CHANGE_MODE_CLASS.
	(push_reload): Same.

	* simplify-rtx.c (simplify_subreg): Same.

	* reload1.c (choose_reload_regs): Same.

	* recog.c (register_operand): Same.

	* regrename.c (mode_change_ok): Change to use new
	CANNOT_CHANGE_MODE_CLASS infrastructure.

	* regclass.c (cannot_change_mode_set_regs): New.
	Declare subregs_of_mode.
	(regclass): Use subregs_of_mode.
	Remove references to reg_changes_mode.
	(init_reg_sets_1): Remove class_can_change_mode and
	reg_changes_mode code.
	(invalid_mode_change_p): New.
	(dump_regclass): Use invalid_mode_change_p instead of
	class_can_change_mode.
	(regclass): Same.
	(record_operand_costs): Do not set reg_changes_mode.

	* local-alloc.c (struct qty): Remove changes_mode field.
	(alloc_qty): Remove changes_mode initialization.
	(update_qty_class): Remove set of changes_mode.
	(find_free_reg): Use subregs_of_mode.

	* global.c (find_reg): Use subregs_of_mode info.

	* rtl.h (cannot_change_mode_set_regs): New prototype.
	(invalid_mode_change_p): Same.
	(REG_CANNOT_CHANGE_MODE_P): New macro.

	* flow.c (mark_used_regs): Calculate subregs_of_mode.  Remove
	REG_CHANGES_MODE.
	(life_analysis): Clear subregs_of_mode.

	* combine.c (subst): Pass class to CLASS_CANNOT_CHANGE_MODE_P.
	Remove use of CLASS_CANNOT_CHANGE_MODE.
	(simplify_set): Same.
	(gen_lowpart_for_combine): Calculate subregs_of_mode.  Remove
	REG_CHANGES_MODE.

	* regs.h: Add extern for subregs_of_mode;
	Include hard-reg-set and basic-block.
	(REG_CHANGES_MODE): Delete.

From-SVN: r58794
 2002-11-04 16:58:39 +00:00
Kazu Hirata 3eae4643be combine.c: Fix comment formatting. 
* 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
 2002-10-27 14:47:55 +00:00
Richard Henderson 3bd216f201 reload.c (find_reloads_toplev): Mode of X is not important when simplifying subregs of constants. 
* reload.c (find_reloads_toplev): Mode of X is not important
        when simplifying subregs of constants.
	* g++.dg/opt/reload1.C: New.

From-SVN: r58490
 2002-10-24 02:02:24 -07:00
Jan Hubicka 4bf1d92ee0 re PR rtl-optimization/7630 (gcc 3.2 breaks on Mozilla 1.0's JS sources with -march=pentium4) 
PR opt/7630
	* reload.c (reload_inner_reg_of_subreg): New argument output;
	(push_reload): Update call.

From-SVN: r58248
 2002-10-17 15:13:10 +00:00
Jan Hubicka 344b78b848 reload.c (push_reload): Handle subregs and secondary memory. 
* reload.c (push_reload): Handle subregs and secondary memory.
	* reload1.c (gen_reload): Likewise.

	* jump.c (reg_or_subregno): New function.
	* rtl.h (reg_or_subregno): Declare
	* unroll.c (find_splittable_givs): Handle subregs.

From-SVN: r57663
 2002-09-30 19:35:17 +00:00
Kazu Hirata 40f0365880 c-common.h: Follow spelling conventions. 
* c-common.h: Follow spelling conventions.
	* cpplex.c: Likewise.
	* cpplib.h: Likewise.
	* gthr-dce.h: Likewise.
	* gthr-posix.h: Likewise.
	* optabs.c: Likewise.
	* output.h: Likewise.
	* profile.c: Likewise.
	* protoize.c: Likewise.
	* ra-rewrite.c: Likewise.
	* real.c: Likewise.
	* recog.c: Likewise.
	* reg-stack.c: Likewise.
	* regclass.c: Likewise.
	* regmove.c: Likewise.
	* reload.c: Likewise.
	* reload.h: Likewise.
	* reload1.c: Likewise.
	* reorg.c: Likewise.
	* resource.c: Likewise.
	* rtl.h: Likewise.
	* rtlanal.c: Likewise.

From-SVN: r57555
 2002-09-26 22:25:14 +00:00
Ulrich Weigand 6cabe79eab reload.c (dup_replacements): New function. 
* reload.c (dup_replacements): New function.
	(find_reloads): Use it to duplicate replacements at the top level
	of match_dup operands.

From-SVN: r57542
 2002-09-26 18:21:10 +00:00
Alan Modra 32ff9c742f reload.c (find_reloads <p constraint>): Pass operand_mode to find_reloads_address. 
* reload.c (find_reloads <p constraint>): Pass operand_mode to
	find_reloads_address.

From-SVN: r56946
 2002-09-08 18:27:24 +09:30
Kaveh R. Ghazi f7043461db loop.c (scan_loop, [...]): Cast to avoid signed/unsigned warnings. 
* 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
 2002-08-15 17:44:10 +00:00
Ulrich Weigand ccfc6cc8fa reload.c (find_reloads): Handle constraint letters marked by EXTRA_ADDRESS_CONSTRAINT and... 
* reload.c (find_reloads): Handle constraint letters marked by
	EXTRA_ADDRESS_CONSTRAINT and EXTRA_MEMORY_CONSTRAINT.
	(alternative_allows_memconst): Likewise.
	* reload1.c (maybe_fix_stack_asms): Likewise.
	* recog.c (asm_operand_ok, preprocess_constraints,
	constrain_operands): Likewise.
	* regclass.c (record_operand_costs, record_reg_classes): Likewise.
	* local-alloc.c (block_alloc, requires_inout): Likewise.
	* stmt.c (parse_output_constraint, parse_input_constraint): Likewise.

	* defaults.h (EXTRA_MEMORY_CONSTRAINT): Provide a default.
	(EXTRA_ADDRESS_CONSTRAINT): Likewise.
	* doc/tm.texi: Document these two new target macros.

	* config/s390/s390.c (s390_expand_plus_operand): Accept already
	valid operands.
	(q_constraint): New function.
	config/s390/s390-protos.h (q_constraint): Declare it.
	config/s390/s390.h (EXTRA_CONSTRAINT): Use it.
	(EXTRA_MEMORY_CONSTRAINT): New macro.

	* config/s390/s390.md: Throughout the machine description,
	replace all instances of the constraint combinations 'Qo'
	or 'oQ' with simply 'Q'.

From-SVN: r56291
 2002-08-14 10:04:51 +00:00
J"orn Rennecke bf7cd75401 recog.c (asm_operand_ok): Allow float CONST_VECTORs for 'F'. 
* recog.c (asm_operand_ok): Allow float CONST_VECTORs for 'F'.
	(constrain_operands): Likewise.
	* regclass.c (record_reg_classes): Likewise.
	* reload.c (find_reloads): Likewise.
	* doc/md.texi: Likewise.

From-SVN: r55689
 2002-07-23 21:51:00 +01:00
J"orn Rennecke 451f86fdbc reload.c (find_reloads_toplev): Use simplify_gen_subreg. 
gcc:
	* reload.c (find_reloads_toplev): Use simplify_gen_subreg.
	* simplify-rtx.c (simplify_subreg): When converting to a non-int
	mode, try to convert to an integer mode of matching size first.

gcc/testsuite:
	* gcc.c-torture/compile/simd-4.c: New test.

From-SVN: r55687
 2002-07-23 21:06:46 +01:00