Commit Graph

16 Commits

Author SHA1 Message Date
Paolo Bonzini fb4061627b re PR middle-end/30907 (Propagation of addresses within loops pessimizes code)
2007-03-19  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/30907
	* fwprop.c (forward_propagate_into): Never propagate inside a loop.
	(fwprop_init): Always call loop_optimizer_initialize.
	(fwprop_done): Always call loop_optimizer_finalize.
	(fwprop): We always have loop info now.
	(gate_fwprop_addr): Remove.
	(pass_fwprop_addr): Use gate_fwprop as gate.

	PR rtl-optimization/30841
	* df-problems.c (df_ru_local_compute, df_rd_local_compute,
	df_chain_alloc): Call df_reorganize_refs unconditionally.
	* df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
	refs_organized to refs_organized_size.
	(df_ref_create_structure): Use refs_organized_size instead of
	bitmap_size if refs had been organized, and keep refs_organized_size
	up-to-date.
	* df.h (struct df_ref_info): Change refs_organized to
	refs_organized_size.
	(DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
	bitmap_size.

From-SVN: r123084
2007-03-20 08:31:13 +00:00
Joseph Myers f1f4e530a5 rtlanal.c (struct subreg_info, [...]): New.
* rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
	New.
	(subreg_regno_offset, subreg_offset_representable_p): Change to
	wrappers about subreg_get_info.
	(refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
	* rtl.h (subreg_nregs): Declare.
	* doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
	subreg_get_info.
	* caller-save.c (mark_set_regs, add_stored_regs): Use
	subreg_nregs.
	* df-scan.c (df_ref_record): Use subreg_nregs.
	* flow.c (mark_set_1): Use subreg_nregs.
	* postreload.c (move2add_note_store): Use subreg_nregs.
	* reload.c (decompose, refers_to_regno_for_reload_p,
	reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
	* resource.c (update_live_status, mark_referenced_resources,
	mark_set_resources): Use subreg_nregs.

From-SVN: r120076
2006-12-20 16:25:00 +00:00
Daniel Berlin 23249ac43c re PR rtl-optimization/26855 (ICE in add_deps_for_def with -fmodulo-sched -maltivec)
2006-05-19  Daniel Berlin  <dberlin@dberlin.org>
            Kenneth Zadeck <zadeck@naturalbridge.com>

	PR rtl-optimization/26855

	* df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
	multiword refs.
	(df_scan_alloc): Added code to properly handle multiword hard
	registers and add all_blocks parameter.
	(df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
	code to properly handle multiword hard registers.
	(df_rescan_blocks): Added code to remove deleted blocks from
	bitmap.
	(df_ref_create_structure, df_ref_record): Added code to properly
	handle subregs.
	(df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
	and set DF_REF_PARTIAL.
	(df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
	(df_uses_record): Added DF_REF_PARTIAL for subreg. 
	(df_scan_add_problem): Added flags parameter.
	(df_ref_create_structure): Changed switching structure.
	(df_bb_refs_record): Fixed case where duplicate artificial refs
	were created.  Changed location of flags.
	(df_record_entry_block_defs): Added code to make stack pointer
	live in entry block.  Refined cases where frame pointer is needed.
	Changed location of flags.
	(df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
	(df_set_state): Removed function.
	(df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
	df_insn_create_insn_record, df_insn_refs_delete, 
	df_ref_create_structure): Formatting changes.  
	* df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
	df_delete_basic_block): New function.
	(df_init): Changed location of flags.
	(df_add_problem): Added flags parameter and the way flags are
	processed.
	(df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
	debug_df_chain): Improved debugging output.
	(df_insn_debug, df_insn_uid_debug): Added multiword reg support.
	(df_refs_chain_dump): Removed df parameter.
	(df_iterative_dataflow): Added consistency check.
	(df_prune_to_subcfg): Made public.
	(df_analyze_problem): Added blocks_to_init parameter and made
	public.
	(df_ref_record, df_bb_refs_record, df_mark_reg, 
	 df_record_exit_block_uses): Whitespace changes.
	(df_dump): Whitespace changes.
	* df.h: Some reordering to remove forward references.
	(df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
	DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
	(df_ref_flags.DF_REF_CLOBBER): Deleted field.
	(dataflow.flags): New field.
	(df.flag): Deleted field.
	(df_alloc_function): Added additional bitmap parameter.
	(df_dependent_problem_function): New type.
	(df_problem.changeable_flags): New field.
	(df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
	DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
	(df_mw_hardreg): New struct.
	(DF_INSN_UID_MWS): New macro.
	(df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
	parameter.
	(df_add_problem, df_ru_add_problem, df_rd_add_problem,
	df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
	df_ri_add_problem, df_scan_add_problem): Added flags parameter.
	(df_set_state): Removed function.
	(df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
	* df-problems.c (df_chain_dump): Removed df parameter.
	(df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
	df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
	parameter.
	(df_ru_alloc, df_rd_alloc): Now resets all blocks.
	(df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
	df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
	Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
	DF_REF_MUST_CLOBBER cases.
	(df_ru_bb_local_compute_process_def,
	df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
	df_lr_bb_local_compute, df_ur_bb_local_compute,
	df_chain_create_bb): Made subreg aware.
	(df_ru_bb_local_compute, df_rd_bb_local_compute,
	df_lr_bb_local_compute, df_lr_bb_local_compute,
	df_chain_create_bb): Cleanup to use proper macros.
	(df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
	code to fixup bitvectors.
	(df_ri_alloc): Cleared lifetime.
	(df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
	df_create_unused_note): New function.
	(df_ri_bb_compute, df_ri_compute): Added code to create/update
	REG_DEAD and REG_UNUSED notes as well as register information.
	(df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
	df_chains_dump): Fixed crash if problem was never run.
	(df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
	df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
	df_ri_add_problem): Processes flags in uniform manner.
	(df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
	df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
	df_rd_dump, df_urec_free_bb_info): Formatting changes.
	(df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
	df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
	df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
	df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
	df_ur_dump, df_urec_free_bb_info, df_urec_dump,
	df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
	* modulo-sched.c (sms_schedule): Added flag parameter to calls.
	* see.c (see_initialize_data): Ditto.
	* final.c (rest_of_clean_state) Added regstack_completed.
	* rtl.h (regstack_completed): Ditto.
	* reg-stack.c (regstack_completed): Ditto.

From-SVN: r113915
2006-05-19 21:18:23 +00:00
Kazu Hirata 917f1b7ea3 builtins.c, [...]: Fix comment typos.
* builtins.c, config/arm/arm.c, config/i386/cygwin.h,
	config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
	config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
	haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
	sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
	tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
	tree-vect-patterns.c, tree-vrp.c: Fix comment typos.  Follow
	spelling convensions.
	* config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
	doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
	typos.  Follow spelling conventions.

From-SVN: r112782
2006-04-08 17:01:17 +00:00
Kenneth Zadeck 50d5ff7d8f df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong block as parameter.
2006-03-07  Kenneth Zadeck <zadeck@naturalbridge.com>

    * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
    block as parameter.

From-SVN: r111837
2006-03-08 02:29:18 +00:00
Kazu Hirata c0220ea4c5 builtins.c, [...]: Fix comment typos.
* builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
	combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
	config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
	config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
	df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
	loop-invariant.c, omp-low.c, opts.c, passes.c,
	rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
	tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
	tree-ssa-structalias.c, tree-ssa-threadedge.c,
	tree-ssa-threadupdate.c, tree-vect-patterns.c,
	tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
	unwind-dw2.c: Fix comment typos.  Follow spelling conventions.

From-SVN: r111721
2006-03-04 23:05:24 +00:00
Zdenek Dvorak 95c029c30c re PR rtl-optimization/24762 ([killloop-branch] code motion of non-invariant expressions with hard registers.)
PR rtl-optimization/24762
	* df-scan.c (df_bb_refs_record): Record correct registers defined on
	eh edges.

From-SVN: r110815
2006-02-09 22:34:23 +00:00
Daniel Berlin b5642e2029 df-scan.c (df_def_record_1): A set destination may be a parallel regardless of mode.
2006-02-08  Daniel Berlin  <dberlin@dberlin.org>

	* df-scan.c (df_def_record_1): A set destination may
	be a parallel regardless of mode.

From-SVN: r110761
2006-02-08 18:37:01 +00:00
Eric Botcazou e45dcf9c6e df-core.c (df_set_blocks): Do not dereference function pointers.
* df-core.c (df_set_blocks): Do not dereference function pointers.
	(df_finish1): Likewise.
	(df_hybrid_search_forward): Likewise.
	(df_hybrid_search_backward): Likewise.
	(df_iterative_dataflow): Likewise.
	(df_analyze_problem): Likewise.
	(df_compact_blocks): Likewise.
	(df_dump): Likewise.
	* df-scan.c (df_rescan_blocks): Likewise.
	(df_record_entry_block_defs): Likewise.

	* genconditions.c (write_conditions): Guard the definition of
	'insn_conditions' with the check on GCC version.
	(write_writer): Guard the traversal 'insn_conditions' with
	the check on GCC version.

From-SVN: r110702
2006-02-07 18:04:29 +00:00
Marcin Dalecki 5ed6ace578 tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2006-01-31  Marcin Dalecki  <martin@dalecki.de>

	* tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
	* regrename.c: Ditto.
	* tree-ssa-loop-im.c: Ditto.
	* tree-dump.c: Ditto.
	* tree-complex.c: Ditto.
	* genrecog.c: Ditto.
	* tree-ssa-threadupdate.c: Ditto.
	* tracer.c: Ditto.
	* java/class.c: Ditto.
	* java/jcf-parse.c: Ditto.
	* java/resource.c: Ditto.
	* java/except.c: Ditto.
	* java/jvspec.c: Ditto.
	* java/jcf-write.c: Ditto.
	* java/jcf-path.c: Ditto.
	* java/gjavah.c: Ditto.
	* java/zextract.c: Ditto.
	* java/jcf-io.c: Ditto.
	* java/jcf.h: Ditto.
	* java/buffer.c: Ditto.
	* java/lang.c: Ditto.
	* java/parse-scan.y: Ditto.
	* java/lex.c: Ditto.
	* java/lex.h: Ditto.
	* cfgloopmanip.c: Ditto.
	* postreload-gcse.c: Ditto.
	* tree-ssa-loop-manip.c: Ditto.
	* postreload.c: Ditto.
	* tree-ssa-loop-ch.c: Ditto.
	* loop.c: Ditto.
	* ipa-cp.c: Ditto.
	* cppspec.c: Ditto.
	* diagnostic.c: Ditto.
	* final.c: Ditto.
	* genoutput.c: Ditto.
	* gcc.c: Ditto.
	* cfghooks.c: Ditto.
	* cfgloopanal.c: Ditto.
	* objc/objc-act.c: Ditto.
	* gcov.c: Ditto.
	* genextract.c: Ditto.
	* genautomata.c: Ditto.
	* pretty-print.c: Ditto.
	* genemit.c: Ditto.
	* cgraphunit.c: Ditto.
	* flow.c: Ditto.
	* df-scan.c: Ditto.
	* haifa-sched.c: Ditto.
	* dominance.c: Ditto.
	* dbxout.c: Ditto.
	* tree-ssa-loop-ivopts.c: Ditto.
	* df-core.c: Ditto.
	* mode-switching.c: Ditto.
	* modulo-sched.c: Ditto.
	* graph.c: Ditto.
	* ipa-pure-const.c: Ditto.
	* cse.c: Ditto.
	* fix-header.c: Ditto.
	* web.c: Ditto.
	* tree-stdarg.c: Ditto.
	* ipa-utils.c: Ditto.
	* loop-init.c: Ditto.
	* ipa-inline.c: Ditto.
	* cfganal.c: Ditto.
	* global.c: Ditto.
	* alloc-pool.c: Ditto.
	* dwarf2out.c: Ditto.
	* opts.c: Ditto.
	* genattrtab.c: Ditto.
	* tree-ssa-loop-ivcanon.c: Ditto.
	* predict.c: Ditto.
	* timevar.c: Ditto.
	* lcm.c: Ditto.
	* fortran/gfortranspec.c: Ditto.
	* regmove.c: Ditto.
	* local-alloc.c: Ditto.
	* langhooks.c: Ditto.
	* function.c: Ditto.
	* tree-vectorizer.c: Ditto.
	* gcse.c: Ditto.
	* ipa-type-escape.c: Ditto.
	* alias.c: Ditto.
	* tree-if-conv.c: Ditto.
	* profile.c: Ditto.
	* ipa.c: Ditto.
	* tree-data-ref.c: Ditto.
	* loop-unroll.c: Ditto.
	* treelang/treetree.c: Ditto.
	* calls.c: Ditto.
	* bt-load.c: Ditto.
	* ggc-common.c: Ditto.
	* except.c: Ditto.
	* coverage.c: Ditto.
	* cselib.c: Ditto.
	* tree-cfgcleanup.c: Ditto.
	* tree-ssa-pre.c: Ditto.
	* cfgcleanup.c: Ditto.
	* loop-invariant.c: Ditto.
	* loop-iv.c: Ditto.
	* ipa-prop.c: Ditto.
	* print-tree.c: Ditto.
	* conflict.c: Ditto.
	* ggc-page.c: Ditto.
	* sched-deps.c: Ditto.
	* regclass.c: Ditto.
	* tree-object-size.c: Ditto.
	* combine.c: Ditto.
	* bb-reorder.c: Ditto.
	* resource.c: Ditto.
	* var-tracking.c: Ditto.
	* cfgloop.c: Ditto.
	* df-problems.c: Ditto.
	* reg-stack.c: Ditto.
	* tlink.c: Ditto.
	* gccspec.c: Ditto.
	* sched-rgn.c: Ditto.
	* tree-ssa-structalias.c: Ditto.
	* tree-ssa-reassoc.c: Ditto.
	* config/darwin-c.c: Ditto.
	* config/darwin.c: Ditto.
	* config/arm/arm.c: Ditto.
	* cfgrtl.c: Ditto.
	* collect2.c: Ditto.
	* reload1.c: Ditto.

From-SVN: r110446
2006-01-31 20:56:55 +01:00
H.J. Lu dadd8a3feb df-scan.c (df_record_entry_block_defs): Check if INCOMING_RETURN_ADDR_RTX is defined.
2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	* df-scan.c (df_record_entry_block_defs): Check if
	INCOMING_RETURN_ADDR_RTX is defined.

From-SVN: r110320
2006-01-27 19:12:35 -08:00
Daniel Berlin 912f2dacdf re PR rtl-optimization/24762 ([killloop-branch] code motion of non-invariant expressions with hard registers.)
2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
	    Kenneth Zadeck <zadeck@naturalbridge.com>

	PR rtl-optimization/24762 
	* doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
	* targhooks.c (hook_void_bitmap): New hook prototype.
	* targhoohs.h (hook_void_bitmap): Ditto.
	* bitmap.h (bitmap_head_def): Moved to coretypes.h.
	* coretypes.h (bitmap_head_def): Moved from bitmap.h.
	* target.h (live_on_entry): New function pointer.
	* df-scan.c (df_all_hard_regs): Removed.
	(df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
	(df_scan_free_internal): Added df->entry_block_defs.
	(df_scan_alloc): Ditto.
	(df_scan_dump): Ditto.
	(df_uses_record): Plumbed flag field properly thru calls.
	Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
	This part fixes PR24762.
	(df_bb_refs_record): Added code to make the frame and arg
	pointers live in EH blocks.
	(df_refs_record): Added call to df_record_entry_block_defs.
	(df_record_entry_block_defs): New function.
	* df-core.c: Added comments to describe new artifical defs.
	* df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
	(entry_block_defs): New field in struct df.
	(df_all_hard_regs): Deleted.
	* target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
	* df-problems.c (df_ru_bb_local_compute_process_def):
	Added code to handle artifical defs in the entry to a function.
	(df_ru_bb_local_compute): Ditto.
	(df_rd_bb_local_compute_process_def):  Ditto.
	(df_rd_bb_local_compute): Ditto.
	(df_lr_bb_local_compute): Ditto.
	(df_ur_bb_local_compute): Ditto.
	(df_urec_bb_local_compute):  Ditto.
	(df_chain_create_bb):  Ditto.
	(df_ur_local_finalize):	Removed entry.
	(df_urec_init): Ditto.
	(df_urec_local_finalize): Ditto.
	(df_ri_bb_compute): Added detection of last use of pseudos.
	* Makefile.in (df-scan.o): Updated dependencies.
	* config/mips/mips-protos.h (mips_set_live_on_entry): Added.
	* config/mips/mips.c (mips_set_live_on_entry): Added.
	* config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
	for target hook.
	* dce.c (marked_insn_p): Added code to handle artifical defs.


Co-Authored-By: Kenneth Zadeck <zadeck@naturalbridge.com>

From-SVN: r110312
2006-01-27 22:23:32 +00:00
Kenneth Zadeck 30cb87a09b df-scan.c (problem_SCAN): Added NULL reset function.
2005-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>

	* df-scan.c (problem_SCAN): Added NULL reset function.
	(df_scan_reset_blocks): Added code to call reset block function
	(df_bb_refs_delete) Fixed comment.
	(df_insn_refs_delete): Made tolerant of deleting non existent info
	for dataflow problems that need to be reset.
	* df-core.c (df_set_blocks): Ditto.
	* df.h (struct df_problem): Added reset_fun.
	* df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
	problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
	(df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
	functions to clear out all references to def-use or use-def chains.

From-SVN: r110066
2006-01-21 14:58:40 +00:00
Kenneth Zadeck 3b8266e279 df-scan.c (df_scan_free_bb_info): Added basic block parameter to be able to clean out basic block when not necessary.
2005-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>

	* df-scan.c (df_scan_free_bb_info): Added basic block parameter to
	be able to clean out basic block when not necessary.
	(df_scan_free): Fixed to properly delete information if df is
	unused before calling df_finish.
	(df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
	df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
	or comment typos.
	(df_bb_refs_delete): New function.
	(df_refs_delete): Moved per block code to df_bb_refs_delete.
	* df-core.c (df_set_blocks): Added code to properly clean out
	unused blocks if they are not part of the blocks to consider.
	Added additional null check.
	(df_compact_blocks): Added basic block parameter to free_bb_fun to
	be able to clean out basic block when not necessary
	* df.h (df_free_bb_function): Ditto.
	(df_bb_refs_delete): New function.
	* df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
	df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
	basic block parameter to be able to clean out basic block when not
	necessary.
	(df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
	(df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
	Fixed to properly delete information if df is unused before
	calling df_finish.

From-SVN: r110009
2006-01-20 01:55:52 +00:00
Kenneth Zadeck fcfd0ebb14 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
* df-scan.c (df_hard_reg_init) Moved declaration of i outside ifdef.

From-SVN: r109603
2006-01-11 21:19:47 +00:00
Daniel Berlin 4d779342f0 df.h (DF_SCAN, [...]): New macros.
2005-01-11  Danny Berlin <dberlin@dberlin.org>
            Kenneth Zadeck <zadeck@naturalbridge.com>

	* df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
	DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
	DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
	DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
	DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
	DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
	DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
	DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
	DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
	DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
	DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
	DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
	DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
	DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
	DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
	DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
	DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
	DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
	DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
	DF_SCAN_POST_ALLOC): New macros.
	(df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
	df_free_bb_function, df_local_compute_function, df_init_function,
	df_dataflow_function, df_confluence_function_0,
	df_confluence_function_n, df_transfer_function,
	df_finalizer_function, df_free_function, df_dump_problem_function,
	df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
	df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
	df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
	df_urec_bb_info, ) New types.
	(df_invalidated_by_call, df_all_hard_regs, df_state) New public
	variables.
	(df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
	df_analyze_simple_change_some_blocks,
	df_analyze_simple_change_one_block, df_compact_blocks,
	df_bb_replace, df_bb_regno_last_use_find,
	df_bb_regno_first_def_find, df_bb_regno_last_def_find,
	df_insn_regno_def_p, df_find_def, df_find_use,
	df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
	df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
	df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
	debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
	debug_df_chain, df_get_dependent_problem, df_chain_create,
	df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
	df_grow_bb_info, df_chain_dump, df_print_bb_index,
	df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
	df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
	df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
	df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
	df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
	df_rescan_blocks, df_ref_create, df_get_artificial_defs,
	df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
	df_ref_remove, df_insn_refs_delete, df_refs_delete,
	df_reorganize_refs, df_set_state, df_hard_reg_init,
	df_read_modify_subreg_p) New public functions.
        * df-core.c: The core dataflow solver and glue routines for rtl
	dataflow.
	(df_init, df_add_problem, df_set_blocks, df_finish,
	df_hybrid_search_forward, df_hybrid_search_backward,
	df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
	df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
	df_bb_regno_last_use_find, df_bb_regno_first_def_find,
	df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
	df_reg_defined, df_find_use, df_reg_used, df_dump,
	df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
	df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
	debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
	debug_df_useno, reset_df_after_reload): New functions.
	* df-scan.c: The scanning fuctions, once in df.c, completely
	rewritten so that they now fully model the functionality of
	register usage at the backend.
	(df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
	df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
	df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
	df_grow_insn_info, df_rescan_blocks, df_ref_create,
	df_get_artificial_defs, df_get_artificial_uses,
	df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
	df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
	df_refs_delete, df_reorganize_refs, df_set_state,
	df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
	df_def_record_1, df_defs_record, df_uses_record,
	df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
	df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
	df_record_exit_block_uses, df_hard_reg_init): New functions.

	* df-problems.c: Seven concrete dataflow problems that use the
	scanning in df-scan.c and are solved by the engine in df-core.c.
	(df_get_dependent_problem, df_chain_create, df_chain_unlink,
	df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
	df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
	df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
	df_ru_free_bb_info, df_ru_alloc,
	df_ru_bb_local_compute_process_def,
	df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
	df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
	df_ru_transfer_function, df_ru_free, df_ru_dump,
	df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
	df_rd_free_bb_info, df_rd_alloc,
	df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
	df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
	df_rd_transfer_function, df_rd_free, df_rd_dump,
	df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
	df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
	df_lr_local_compute, df_lr_init, df_lr_confluence_0,
	df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
	df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
	df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
	df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
	df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
	df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
	df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
	df_urec_mark_reg_change, df_urec_check_earlyclobber,
	df_urec_mark_reg_use_for_earlyclobber,
	df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
	df_urec_local_compute, df_urec_init, df_urec_local_finalize,
	df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
	df_urec_dump, df_urec_add_problem, df_chain_alloc,
	df_chain_create_bb_process_use, df_chain_create_bb,
	df_chain_finalize, df_chain_free, df_chains_dump,
	df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
	df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
	df_reg_lifetime): New functions.
	* df.c: Deleted file.
        * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
	consistent with new df api.
        * modulo-sched.c (sms_schedule, rest_of_handle_sms,
        rest_of_handle_sms): Ditto.
        * web.c (unionfind_union, union_defs, entry_register, web_main):
	Ditto.
	* loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
	invariant_expr_equal_p, find_defs, check_dependencies,
	find_invariant_insn, find_invariants_to_move, move_invariant_reg,
	free_inv_motion_data, move_loop_invariants): Ditto.
	* sched-deps.c (sched_analyze_1): Ditto.


Co-Authored-By: Kenneth Zadeck <zadeck@naturalbridge.com>

From-SVN: r109577
2006-01-11 12:57:18 +00:00