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* df.c (df_bitmaps_free): Only work for bbs for that structures are
allocated.
(df_bb_modify): Realloc tables to the new index.
(df_find_use): New function.
(df_find_def, df_reg_used): Handle subregs.
* df.h (df_find_use): Declare.
* loop-invariant.c: Include hashtab.h.
(struct invariant): Remove processed field, add eqto and reg fields.
(struct invariant_expr_entry): New.
(invariant_for_use, hash_invariant_expr_1, invariant_expr_equal_p,
hash_invariant_expr, eq_invariant_expr, find_or_insert_inv,
find_identical_invariants, merge_identical_invariants): New functions.
(create_new_invariant): Return the new invariant. Initialize new
fields.
(find_invariants): Call merge_identical_invariants.
(get_inv_cost, best_gain_for_invariant, set_move_mark,
move_invariant_reg): Handle equivalent invariants.
* Makefile.in (loop-invariant.o): Add HASHTAB_H dependency.
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r108949
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and the exit block is 1.
2005-12-17 Danny Berlin <dberlin@dberlin.org>
Kenneth Zadeck <zadeck@naturalbridge.com>
* basic-block.h: Changed basic block numbering so that the entry
block is 0 and the exit block is 1. Changed insn iterators so
that they are tolerant of blocks with no insns.
* regrename.c (copyprop_hardreg_forward): Changed basic block
numbering so that the entry block is 0 and the exit block is 1.
* sched-ebb.c (sehedule_ebbs): Ditto.
* tracer.c (branch_ratio_cutoff): Ditto.
* cfgloopmanip.c (fix_loop_structure): Ditto.
* cfghooks.c (verify_flow_info): Ditto.
* cfg.c (compact_blocks): Ditto.
* reorg.c (dbr_schedule): Ditto.
* flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
* dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
calculate_dominance_info): Ditto.
* cfganal.c (create_edge_list, print_edge_list,
flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
dfs_enumerate_from): Ditto.
* global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
* ifcvt.c (find_if_case_2): Ditto.
* cfgbuild.c (control_flow_insn_p, count_basic_blocks,
find_basic_blocks): Ditto.
* predict.c (predict_loops, tree_bb_level_predictions,
predict_paths_leading_to, propagate_freq): Ditto.
* lcm.c (compute_antinout_edge, compute_laterin,
compute_available): Ditto.
* function.c (thread_prologue_and_epilogue_insns): Ditto.
* gcse.c (gcse_main, bypass_jumps): Ditto.
* profile.c (compute_branch_probabilities,
compute_value_histograms, branch_prob): Ditto.
* tree-flow-inline.h (bsi_start, bsi_after_labels,
bsi_last): Ditto.
* tree-ssa-phiopt.c (tree_ssa_phiopt,
blocks_in_phiopt_order): Ditto.
* bt-load.c (compute_defs_uses_and_gen, compute_kill,
compute_out, link_btr_uses, migrate_btr_defs): Ditto.
* tree-dfa.c (collect_dfa_stats): Ditto.
* cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
* cfglayout.c (fixup_reorder_chain): Ditto.
* bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
partition_hot_cold_basic_blocks): Ditto.
* var-tracking.c (vt_find_locations): Ditto.
* cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
* sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
* tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
* tree-ssa-reassoc.c (init_reassoc): Ditto.
* cfgrtl.c (entry_of_function, rtl_verify_flow_info,
rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
* df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
and removed unused reverse orders.
* df.h (): Ditto.
* combine.c: Fix document typo.
Co-Authored-By: Kenneth Zadeck <zadeck@naturalbridge.com>
From-SVN: r108713
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From-SVN: r101317
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2005-05-26 Paolo Bonzini <bonzini@gnu.org>
* df.h (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
* df.c (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
From-SVN: r100197
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From-SVN: r94839
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* cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
config/darwin7.h, config/mips/mips.c,
config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
Update copyright.
From-SVN: r94704
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* df.c (df_def_record_1, df_uses_record): Don't use
DF_FOR_REGALLOC.
* df.h (DF_FOR_REGALLOC): Remove.
From-SVN: r94608
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* basic-block.h, c-common.h, df.h, expr.h, output.h, rtl.h,
tree-chrec.h, tree-flow.h, tree-scalar-evolution.h,
tree-ssa-live.h, tree.h: Remove unused prototypes.
From-SVN: r90821
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* Makefile.in (df.o): Remove fibheap dependency.
* df.h: Do not include sbitmap.h.
(struct ref): New field "data".
(DF_REF_DATA): New accessor macro.
(struct df): Field "dom" removed.
(df_analyze_subcfg): New function.
(transfer_function_sbitmap, transfer_function_bitmap): Replaced by ...
(transfer_function): ... new type.
(iterative_dataflow_sbitmap, iterative_dataflow_bitmap): Replaced by ...
(iterative_dataflow): ... new function.
(enum set_representation, struct dataflow): New.
* df.c: Do not include fibheap.h.
(df_reg_def_chain_clean, df_reg_use_chain_clean,
(df_bb_table_realloc, df_analyse_subcfg, free_reg_ref_chain,
prune_to_subcfg, df_bb_modify): New functions.
(df_bitmaps_alloc, df_reg_def_chain_create, df_reg_use_chain_create,
df_refs_update, df_reg_table_realloc, df_ref_create,
df_bb_reg_def_chain_create, df_bb_reg_use_chain_create,
df_bb_rd_local_compute, df_bb_ru_local_compute, df_bb_lr_local_compute,
df_analyse_1, df_insn_modify): Support analysing only a part of the cfg.
(dataflow_set_a_op_b, dataflow_set_copy): New functions.
(df_rd_transfer_function, df_ru_transfer_function,
df_lr_transfer_function): Type of bitmaps changed to void *.
(hybrid_search_bitmap, hybrid_search_sbitmap): Merge into ...
(hybrid_search): ... new function.
(iterative_dataflow_bitmap, iterative_dataflow_sbitmap): Merge into ...
(iterative_dataflow): ... new function. Avoid use of fibheaps for
a worklist. Do not process basic blocks unnecessarily.
From-SVN: r82921
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2004-06-03 Jerry Quinn <jlquinn@optonline.net>
* Makefile.in (RA_H, RESOURCE_H, SCHED_INT_H, CFGLAYOUT_H,
CFGLOOP_H, DF_H, DDG_H, TREE_SSA_LIVE_H): New.
(TARGET_H): Add insn-modes.h.
(tree-ssa.o, tree-cfg.o, tree-ssa-loop.o, toplev.o, passes.o,
loop.o, loop-doloop.o, unroll.o, cfgloop.o, cfgloopanal.o,
loop-iv.o, cfgloopmanip.o, loop-init.o, loop-unswitch.o,
loop-unroll.o, ddg.o, modulo-sched.o, predict.o,
cfglayout.o, ifcvt.o): Replace cfgloop.h with CFGLOOP_H.
(toplev.o, passes.o, cfghooks.o, cfgloopmanip.o, loop-init.o,
loop-unswitch.o, loop-unroll.o, ddg.o, modulo-sched.o,
bb-reorder.o, tracer.o, cfglayout.o): Replace cfglayout.h with
CFGLAYOUT_H.
(ra.o, ra-build.o, ra-colorize.o, ra-debug.o, ra-rewrite.o):
Replace ra.h with RA_H.
(resource.o, regrename.o, insn-conditions.o, insn-emit.o,
insn-recog.o): Replace resource.h with RESOURCE_H.
(ddg.o, modulo-sched.o, haifa-sched.o, sched-deps.o, sched-rgn.o,
sched-ebb.o, sched-vis.o, out_object_file): Replace sched-int.h
with SCHED_INT_H.
(web.o, lcm.o, df.o, ra.o, ra-build.o, ra-colorize.o, ra-debug.o,
ra-rewrite.o): Replace df.h with DF_H.
(ddg.o, modulo-sched.o): Replace ddf.h with DDG_H.
(tree-outof-ssa.o, tree-ssa-live.o, tree-ssa-copyrename.o):
Replace tree-ssa-live.h with TREE_SSA_LIVE_H.
(insn-conditions.o): Remove unused reload.h.
* cfglayout.h: Add include guard. Include basic-block.h.
* cfgloop.h: Add include guard. Include basic-block.h, rtl.h.
* ddg.h: Include sbitmap.h, basic-block.h, df.h.
* df.h: Add include guard. Include bitmap.h, sbitmap.h,
basic-block.h.
* genconditions.c: Remove reload.h.
* ra.h: Add include guard. Include bitmap.h, sbitmap.h,
hard-reg-set.h, insn-modes.h.
* resource.h: Add include guard. Include hard-reg-set.h.
* sched-int.h: Add include guard. Include insn-attr.h,
basic-block.h, rtl.h.
* target.h: Add include guard. Include insn-modes.h.
* tree-ssa-live.h: Include partition.h.
From-SVN: r82600
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* c-common.c, calls.c, cfgcleanup.c, cgraph.c, cgraphunit.c,
ddg.c, ddg.h, df.c, df.h, except.c, expr.c, flags.h,
fold-const.c, gcc.c, gimplify.c, haifa-sched.c,
modulo-sched.c, tree-inline.c, tree-into-ssa.c, tree-nested.c,
tree-nrv.c, tree-ssa-ccp.c, tree-ssa-dom.c, tree-ssa-live.c,
tree-ssa-loop.c, tree-ssa-pre.c, tree-tailcall.c, tree.h: Fix
comment typos. Follow spelling conventions.
From-SVN: r82439
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* ddg.h, ddg.c, modulo-sched.c: New files.
* cfglayout.c (duplicate_insn_chain): Remove "static" and push
internals to "dupicate_insn".
(duplicate_insn): New function.
* cfglayout.h (duplicate_insn_chain, duplicate_insn): New
declarations.
* common.opt (fmodulo-sched): New flag.
* df.c (df_bb_regno_last_use_find, df_bb_regno_first_def_find):
Remove static and forward declaration.
(df_find_def, df_reg_used, df_bb_regno_last_def_find): New
functions.
* df.h (df_bb_regno_last_use_find, df_bb_regno_first_def_find,
df_bb_regno_last_def_find, df_find_def, df_reg_used): New
declarations.
* flags.h (flag_modulo_sched): New flag.
* opts.c (common_handle_option): Handle modulo-sched flag.
* params.def (max-sms-loop-number, sms-max-ii-factor,
sms-dfa-history, sms-loop-average-count-threshold): New
parameters.
* params.h (MAX_SMS_LOOP_NUMBER, SMS_MAX_II_FACTOR,
SMS_DFA_HISTORY, SMS_LOOP_AVERAGE_COUNT_THRESHOLD): New
parameters.
* passes.c ("sms", "sms-vcg"): New dumps.
(rest_of_handle_sched): Call sms_schedule.
* rtl.h (sms_schedule): New declaration.
* timevar.def (TV_SMS): New.
* toplev.c (flag_modulo_sched): Initialize.
(f_options): Handle -fmodulo-sched option.
* docs/invoke.texi: Document -fmodulo-sched & -dm options.
* docs/passes.texi: Document new SMS pass.f toplev.c doc/invoke.texi doc/passes.texi
Co-Authored-By: Mostafa Hagog <mustafa@il.ibm.com>
From-SVN: r82235
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From-SVN: r80399
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* df.c, df.h, ra-build.c, ra-rewrite.c, ra.c, web.c: Replace
df_analyse with df_analyze.
From-SVN: r78363
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gcc/
* alloc-pool.h, c-convert.c, c-lang.c, c-tree.h,
caller-save.c, df.h, genconfig.c, global.c, lcm.c,
ra-rewrite.c, ra.c, regclass.c, regs.h, resource.c,
sched-rgn.c, config/arm/aof.h, config/arm/cirrus.md,
config/arm/fpa.md, config/arm/iwmmxt.md,
config/arm/netbsd-elf.h, config/arm/netbsd.h,
config/m68hc11/m68hc11.md, config/mips/iris5.h,
config/mn10300/mn10300.md, config/rs6000/altivec.md,
config/sparc/netbsd-elf.h: Update copyright.
cp/
* error.c, search.c: Update copyright.
java/
* typeck.c: Update copyright.
From-SVN: r77265
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* alloc-pool.c: Fix comment typos.
* builtin-types.def: Likewise.
* builtins.def: Likewise.
* c-pretty-print.c: Likewise.
* df.h: Likewise.
* reload1.c: Likewise.
From-SVN: r77043
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* 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
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* cse.c: Convert prototypes to ISO C90.
* cselib.c: Likewise.
* cselib.h: Likewise.
* dbxout.c: Likewise.
* debug.c: Likewise.
* df.c: Likewise.
* df.h: Likewise.
* dojump.c: Likewise.
* doloop.c: Likewise.
* dominance.c: Likewise.
* dwarf2asm.c: Likewise.
* dwarf2out.c: Likewise.
* dwarf2out.h: Likewise.
* dwarfout.c: Likewise.
From-SVN: r68673
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Merge changes from new-regalloc-branch
From Michael Matz <matz@suse.de>
* df.c (df_ref_record_1): Move init of loc to safe point.
Only recurse on interesting things in parallels.
Handle CLASS_CANNOT_CHANGE_MODE smarter.
(df_uses_record): Ditto.
* df.h (DF_REF_MEM_OK): New enum member, used to mark ref's which
it's already okay to use memory operands in (IE doesn't require
adding another insn or anything).
From-SVN: r64629
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* df.c (read_modify_subreg_p): Change from static to global.
* df.h (read_modify_subreg_p): Add prototype.
* sched-deps.c (sched_analyze_1): Generate true dependency for
strict_low_part, certain subregs and zero/sign_extract.
From-SVN: r64164
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* df.h (enum df_ref_flags.DF_REF_STRIPPED): New.
(DF_FOR_REGALLOC): New.
* df.c (df_ref_record): Set DF_REF_STRIPPED.
(read_modify_subreg_p): Simplify.
(df_def_record_1, df_uses_record): Set DF_REF_MODE_CHANGE more often.
Use DF_FOR_REGALLOC.
* ra.h (struct web): New member subreg_stripped.
(invalid_mode_change_regs): Declare.
* ra.c (invalid_mode_change_regs): New.
(init_ra): Initialize it.
* ra-build.c (init_one_web_common, remember_web_was_spilled): Use it.
Use CANNOT_CHANGE_MODE_CLASS as ifdef guard.
(reinit_one_web, parts_to_web_1): Deal with subreg_stripped.
* ra-colorize.c (colorize_one_web): Use invalid_mode_change_regs.
Use CANNOT_CHANGE_MODE_CLASS as ifdef guard.
From-SVN: r63952
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* df.h: Update comments, tidy formatting.
(DF_FORWARD, DF_REVERSE, DF_UNION, DF_INTERSECTION): Rename from FORWARD,
REVERSE, UNION, INTERSECTION. All uses updated.
(OLD_DF_INTERFACE): Remove.
(struct insn_info): Remove commented out insn field.
* df.c: Update comments, tidy formatting.
(df_def_table_realloc): Remove.
From-SVN: r61819
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* alias.c: Fix comment typos.
* basic-block.h: Likewise.
* c-common.c: Likewise.
* c-common.h: Likewise.
* c-decl.c: Likewise.
* c-opts.c: Likewise.
* c-pragma.c: Likewise.
* c-pretty-print.h: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgbuild.c: Likewise.
* cfgcleanup.c: Likewise.
* cfglayout.c: Likewise.
* cfgrtl.c: Likewise.
* convert.c: Likewise.
* cpphash.h: Likewise.
* cpplex.c: Likewise.
* cpplib.h: Likewise.
* df.h: Likewise.
* diagnostic.c: Likewise.
* diagnostic.h: Likewise.
* dwarf2.h: Likewise.
From-SVN: r61462
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2002-07-15 Michael Matz <matz@suse.de>,
Daniel Berlin <dberlin@dberlin.org>,
Denis Chertykov <denisc@overta.ru>
Add a new register allocator.
* ra.c: New file.
* ra.h: New file.
* ra-build.c: New file.
* ra-colorize.c: New file.
* ra-debug.c: New file.
* ra-rewrite.c: New file.
* Makefile.in (ra.o, ra-build.o, ra-colorize.o, ra-debug.o,
(ra-rewrite.o): New .o files for libbackend.a.
(GTFILES): Add basic-block.h.
* toplev.c (flag_new_regalloc): New.
(f_options): New option "new-ra".
(rest_of_compilation): Call initialize_uninitialized_subregs()
only for the old allocator. If flag_new_regalloc is set, call
new allocator, instead of local_alloc(), global_alloc() and
friends.
* doc/invoke.texi: Document -fnew-ra.
* basic-block.h (FOR_ALL_BB): New.
* config/rs6000/rs6000.c (print_operand): Write small constants
as @l+80.
* df.c (read_modify_subreg_p): Narrow down cases for a rmw subreg.
(df_reg_table_realloc): Make size at least as large as max_reg_num().
(df_insn_table_realloc): Size argument now is absolute, not relative.
Changed all callers.
* gengtype.c (main): Add the pseudo-type "HARD_REG_SET".
* regclass.c (reg_scan_mark_refs): Ignore NULL rtx's.
2002-06-20 Michael Matz <matz@suse.de>
* df.h (struct ref.id): Make unsigned.
* df.c (df_bb_reg_def_chain_create): Remove unsigned cast.
2002-06-13 Michael Matz <matz@suse.de>
* df.h (DF_REF_MODE_CHANGE): New flag.
* df.c (df_def_record_1, df_uses_record): Set this flag for refs
involving subregs with invalid mode changes, when
CLASS_CANNOT_CHANGE_MODE is defined.
2002-05-07 Michael Matz <matz@suse.de>
* reload1.c (fixup_abnormal_edges): Don't insert on NULL edge.
2002-05-03 Michael Matz <matz@suse.de>
* sbitmap.c (sbitmap_difference): Accept sbitmaps of different size.
Sat Feb 2 18:58:07 2002 Denis Chertykov <denisc@overta.ru>
* regclass.c (regclass): Work with all regs which have sets or
refs.
(reg_scan_mark_refs): Count regs inside (clobber ...).
2002-01-04 Michael Matz <matzmich@cs.tu-berlin.de>
* df.c (df_ref_record): Correctly calculate SUBREGs of hardregs.
(df_bb_reg_def_chain_create, df_bb_reg_use_chain_create): Only
add new refs.
(df_bb_refs_update): Don't clear insns_modified here, ...
(df_analyse): ... but here.
* sbitmap.c (dump_sbitmap_file): New.
(debug_sbitmap): Use it.
* sbitmap.h (dump_sbitmap_file): Add prototype.
2001-08-07 Daniel Berlin <dan@cgsoftware.com>
* df.c (df_insn_modify): Grow the UID table if necessary, rather
than assume all emits go through df_insns_modify.
2001-07-26 Daniel Berlin <dan@cgsoftware.com>
* regclass.c (reg_scan_mark_refs): When we increase REG_N_SETS,
increase REG_N_REFS (like flow does), so that regclass doesn't
think a reg is useless, and thus, not calculate a class, when it
really should have.
2001-01-28 Daniel Berlin <dberlin@redhat.com>
* sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP_REV): New macro, needed for
dataflow analysis.
From-SVN: r55458
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From-SVN: r53537
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From-SVN: r53522
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* df.c (df_ref_create, df_ref_record_1, df_ref_record): Kill BB argument.
* df.h (struct ref): Kill B.
(DF_REF_BB, DF_REF_BBNO): Use BLOCK_FOR_INSN.
* basic-block.h (PROP_EQUAL_NOTES): New flag.
* flow.c (propagate_one_insn): Use it.
(mark_used_regs): Handle NIL.
From-SVN: r49220
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function prototypes.
* df.h (transfer_function_sbitmap): Use PARAMS around argument
list in function prototypes.
(transfer_function_bitmap): Likewise.
From-SVN: r47350
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* gcse.c (try_replace_reg): Copy RTX before creating note.
* df.h (df_ref_flags): New uenum.
(DF_REF_FLAGS): New macro.
(struct ref): Add field "flags".
* df.c (HANDLE_SUBREG): Remove.
(df_ref_create): Likewise; set flags field of ref.
(df_def_record_1): Strip down read_write subreg; remove
commented out code; set READ_WRITE flag.
(read_modify_subreg_p): New static function.
(df_uses_record): Cleanup SET handling; set READ_WRITE flag;
new argument "flags".
(df_insn_refs_record): Update call of df_uses_record.
(df_insn_modify): Avoid #if 0 around comment.
(df_dump): Dump the read/write flag.
* predict.c (propagate_freq): Make cyclic_probability and frequency
volatile
* i386.c (ix86_cc_mode): Accept USE.
* cfgrtl.c (purge_dead_edges): Cleanup EDGE_ABNORMAL flag if computed
jump is turned into simplejump.
From-SVN: r47175
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2001-11-07 Daniel Berlin <dan@cgsoftware.com>
* Makefile.in (df.o): Add fibheap.h to dependencies.
* df.h: Add prototypes for transfer functions, iterative_dataflow
functions.
(enum df_flow_dir): New enum.
(enum df_confluence_op): New enum.
(struct df): Add inverse_rts_map.
* df.c: Add sbitmap.h to the list of includes.
(df_rd_global_compute): Removed.
(df_ru_global_compute): Removed.
(df_lr_global_compute): Removed.
(df_rd_transfer_function): New function.
(df_ru_transfer_function): New function.
(df_lr_transfer_function): New function.
(df_analyse_1): allocate/compute/free df->inverse_rts_map.
Use iterative_dataflow_bitmap instead of df_*_global_compute.
(iterative_dataflow_sbitmap): New function.
(iterative_dataflow_bitmap): New function.
From-SVN: r46827
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changes has been made.
* lcm.c (optimize_mode_switching): Do not rebuild liveness information
when no changes has been made.
* gcse.c (reg_set_bitmap): Turn into reg_set.
(modify_mem_list_set, canon_modify_mem_list_set)
(clear_modify_mem_tables, free_modify_mem_tables): New.
(gcse_main); Use free_modify_mem_tables.
(free_gcse_mem): Likewise; free the bitmaps.
(alloc_gcse_main): Initialize the bitmaps.
(canon_list_insert): Set canon_modify_mem_list_set.
(record_last_mem_set_info): Likewise; set modify_mem_list_set.
(compute_hash_table): Use clear_modify_mem_tables.
(reset_opr_set_tables): Likewise.
(oprs_not_set_p): reg_set_bitmap is regset.
(mark_set, mark_clobber): Likewise.
* df.h (DF_EQUIV_NOTES): New constant.
(df_insn_refs_record): Record uses inside or REG_EQUIV/EQUAL notes
when asked for.
* sched-rgn.c (CHECK_DEAD_NOTES): New constant.
(init_regions, schedule_insns): Conditionalize the checking
code by CHECK_DEAD_NOTES; avoid multiple calls to update_life_info.
From-SVN: r46634
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* ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4,
ChangeLog.5, ChangeLog, ChangeLog.lib, FSFChangeLog.10, ONEWS,
c-common.c, caller-save.c, cfg.c, cfgcleanup.c, cfgrtl.c,
collect2.c, df.h, diagnostic.h, final.c, gcse.c, gthr.h,
haifa-sched.c, jump.c, local-alloc.c, profile.c, protoize.c,
regmove.c, reload1.c, rtlanal.c, sched-vis.c, ssa.c, stmt.c,
system.h, toplev.c: Fix spelling errors.
From-SVN: r46580
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2001-08-28 Daniel Berlin <dan@cgsoftware.com>
* df.h (struct df): Add rts_order variable.
* df.c (df_visit_next_rts): New function.
(df_visit_next): Renamed to df_visit_next_rc
(df_analyse_1): Allocate/compute/free rts_order as well.
(df_rd_global_compute): Use df_visit_next_rc instead of
df_visit_next.
(df_ru_global_compute): Use df_visit_next_rts instead of
df_visit_next.
* flow.c (flow_reverse_top_sort_order_compute): New function.
* basic-block.h: Add prototype.
From-SVN: r45246
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* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
bitmap.h, builtin-types.def, builtins.c, builtins.def,
c-aux-info.c, c-common.c, c-common.def, c-common.h,
c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
conditions.h, config.gcc, configure.frag, configure.in,
conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
emit-rtl.c, errors.c, errors.h, except.c, except.h,
exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
gencheck.c, gencodes.c, genconfig.c, genemit.c,
genextract.c, genflags.c, gengenrtl.c, genmultilib,
genopinit.c, genoutput.c, genpeep.c, genrecog.c,
gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
params.h, predict.c, predict.def, predict.h, prefix.c,
prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
regclass.c, regmove.c, regrename.c, regs.h, reload.c,
reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
xcoffout.h: replace "GNU CC" with "GCC".
From-SVN: r45105
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* Makefile.in (OBJS): Add df.o
(df.o): Add dependencies.
* basic-block.h (flow_depth_first_order_compute): Declare.
* flow.c (flow_depth_first_order_compute): No longer declare.
Make external.
* df.c, df.h: New files.
* po/POTFILES.in: Update for new files.
From-SVN: r43647
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