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Author SHA1 Message Date
Andreas Jaeger
79a490a95b predict.h: Convert to ISO C90 prototypes. 
* predict.h: Convert to ISO C90 prototypes.
	* predict.c: Likewise.
	* tree-dump.h: Likewise.
	* tree-dump.c: Likewise.
	* diagnostic.h: Likewise.
	* diagnostic.c: Likewise.
	* combine.c: Likewise.

	* rtl.h: Convert prototypes of combine.c to ISO C90.

From-SVN: r67626
 2003-06-08 16:21:54 +02:00
Nathan Sidwell
cdb2376773 Makefile.in (LIBGCC_DEPS): Add gcov headers. 
* Makefile.in (LIBGCC_DEPS): Add gcov headers.
	(libgcov.a): Depends on LIBGCC_DEPS.
	* basic-block.h (profile_info): Moved here from coverage.h. Made
	a pointer.
	* coverage.c (struct function_list): Fixed array of counter types.
	(struct counts_entry): Keyed by counter type, contains summary.
	(profile_info): Moved to profile.c.
	(prg_ctr_mask, prg_n_ctrs, fn_ctr_mask, fn_n_ctrs): New global
	vars.
	(profiler_label): Remove.
	(ctr_labels): New.
	(set_purpose, label_for_tag, build_counter_section_fields,
	build_counter_section_value, build_counter_section_data_fields,
	build_counter_section_data_values, build_function_info_fields,
	build_function_info_value, gcov_info_fields, gcov_info_value): Remove.
	(build_fn_info_type, build_fn_info_value, build_ctr_info_type,
	build_ctr_info_value, build_gcov_info): New.
	(htab_counts_entry_hash, htab_counts_entry_eq): Adjust.
	(reads_counts_file): Adjust.
	(get_coverage_counts): Takes counter number. Add summary
	parameter. Adjust.
	(coverage_counter_ref): Tkaes counter number. Adjust. Lazily
	create counter array labels.
	(coverage_end_function): Adjust.
	(create_coverage): Adjust.
	(find_counters_section): Remove.
	* coverage.h (MAX_COUNTER_SECTIONS): Remove.
	(struct section_info, struct profile_info): Remove.
	(profile_info): Moved to basic-block.h.
	(coverage_counter_ref): Takes a counter number.
	(get_coverage_counts): Takes a counter number. Added summary
	parameter.
	(find_counters_section): Remove.
	* gcov-dump.c (tag_arc_counts): Rename to ...
	(tag_counters): ... here. Adjust.
	(tag_table): Move tag_counters to 3rd entry. Remove
	PROGRAM_PLACEHOLDER and PROGRAM_INCORRECT entries.
	(dump_file): Check for counter tag values here.
	(tag_summary): Adjust.
	* gcov-io.c (gcov_write_summary, gcov_read_summary): Adjust.
	* gcov-io.h (GCOV_LOCKED): New.
	(GCOV_TAG_ARC_COUNTS): Rename to ...
	(GCOV_TAG_COUNTS_BASE): ... here.
	(GCOV_TAG_PLACEHOLDER_SUMMARY, GCOV_TAG_INCORRECT_SUMMARY):
	Remove.
	(GCOV_COUNTER_ARCS, GCOV_COUNTERS, GCOV_NAMES): New.
	(GCOV_TAG_FOR_COUNTER, GCOV_COUNTER_FOR_TAG,
	GCOV_TAG_IS_COUNTER): New.
	(struct gcov_ctr_summary): New.
	(struct gcov_summary): Adjust.
	(struct gcov_counter_section): Remove.
	struct gcov_counter_section_data): Remove.
	(struct gcov_function_info): Rename to ...
	(struct gcov_fn_info): ... here. Adjust.
	(struct gcov_ctr_info): New.
	(struct gcov_info): Adjust.
	* gcov.c (read_count_file): Adjust.
	(output_lines): Adjust.
	* libgcov.c (gcov_exit): Adjust.
	(__gcov_flush): Adjust.
	* mklibgcc.in (libgcc2_c_dep): Add gcov headers.
	* predict.c (maybe_hot_bb_p, probably_cold_bb_p,
	probably_never_executed_bb_p, compute_frequency_function): Adjust
	profile_info use.
	* profile.c (struct counts_entry): Remove.
	(profile_info): Define here.
	(get_exec_counts): Adjust get_coverage_counts call.
	(compute_branch_probablilities): Remove find_counters_section
	call.
	(gen_edge_profiler): Adjust coverage_counter_ref call.
	* tracer.c (tail_duplicate): Adjust profile_info use.

From-SVN: r65990
 2003-04-23 14:05:11 +00:00
Nathan Sidwell
d79f9ec9ff commit two parts of my last patch that escaped, somehow 
From-SVN: r65906
 2003-04-21 21:23:43 +00:00
Richard Earnshaw
85bb9c2a5c predict.c (estimate_bb_frequencies): Correctly set real_values_initialized after initialization. 
* predict.c (estimate_bb_frequencies): Correctly set
real_values_initialized after initialization.

From-SVN: r63615
 2003-03-01 15:11:59 +00:00
Richard Earnshaw
05e643de59 Update copyright. 
From-SVN: r63608
 2003-03-01 12:54:56 +00:00
Richard Earnshaw
c4f6b78e43 predict.c (estimate_bb_frequencies): Initialize the sreal constants once per compilation. 
* predict.c (estimate_bb_frequencies): Initialize the sreal
constants once per compilation.

From-SVN: r63607
 2003-03-01 12:51:01 +00:00
Jan Hubicka
d50672efa7 i386.c (builtin_description): Add __builtin_ia32_paddq and __builtin_ia32_psubq. 
* i386.c (builtin_description): Add __builtin_ia32_paddq and
	__builtin_ia32_psubq. Fix __builtin_ia32_paddq128
	 and __builtin_ia32_psubq128.
	* i386.h (IX86_BUILTIN_PADDQ, IX86_BUILTIN_PSUBQ): New.
	* i386.md (addv*, mmx_ior*, mmx_xoe*, mmx_and*): Add missing '%'.
	(mmx_adddi3, mmx_subdi3): New.
	* mmintrin.h (_mm_add_si64, _mm_sub_si64): New.
	* xmmintrin.h (_mm_movepi64_pi64): New.
	(_mm_add_epi64, _mm_sub_epi64): fix.
	(_mm_mul_pu16): Rename to...
	(_mm_mul_su32): ... this one.

	* builtins.c (expand_builtin_expect):  Do not predict
	flag_guess_branch_prob is not set.
	* c-semantics.c (expand_stmt): Likewise.
	* predict.c (predict_insn): Likewise.
	* stmt.c (expand_continue_loop): Likewise.
	* toplev.c (rest_of_compilation): Do not call
	note_prediction_to_br_prob and note_prediction_to_br_prob
	when not optimizing.

From-SVN: r63263
 2003-02-22 00:32:09 +00:00
Jan Hubicka
6efcd26809 * predict.c (estimate_probability): Fix roundoff error. 
From-SVN: r62765
 2003-02-12 14:23:20 +00:00
Jan Hubicka
c728da61c6 * predict.c (choose_function_section): Choose sections correctly. 
From-SVN: r62686
 2003-02-11 09:05:30 +00:00
Josef Zlomek
ac5e69da56 Makefile.in (sreal.o): Added. 
* Makefile.in (sreal.o): Added.
	(predict.o): Depends on sreal.h instead of real.h.
	* sreal.c: New file.
	* sreal.h: New file.
	* predict.c: Use sreal.c instead of real.c.

From-SVN: r62630
 2003-02-10 12:34:24 +00:00
Zdenek Dvorak
3d436d2ac5 cfgloopanal.c: New file. 
* 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
 2003-01-24 20:27:02 +00:00
Kazu Hirata
3d042e770b ifcvt.c: Fix comment typos. 
* 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
 2003-01-17 03:28:11 +00:00
Segher Boessenkool
fbe3b30b02 Segher Boessenkool <segher@koffie.nl> 
* predict.c (real_inv_br_prob_base): New variable.
	(propagate_freq): Use multiply by reciprocal instead of
	division.  Don't divide by 1.0 at all.
	(estimate_bb_frequencies): Similar.

From-SVN: r61326
 2003-01-15 12:07:46 +00:00
Kazu Hirata
d55d8fc700 output.h: Fix comment typos. 
* output.h: Fix comment typos.
	* predict.c: Likewise.
	* print-tree.c: Likewise.
	* profile.c: Likewise.
	* ra-build.c: Likewise.
	* ra-colorize.c: Likewise.
	* ra-debug.c: Likewise.
	* ra-rewrite.c: Likewise.
	* ra.c: Likewise.
	* ra.h: Likewise.
	* real.c: Likewise.
	* recog.c: Likewise.
	* reg-stack.c: Likewise.
	* regclass.c: Likewise.

From-SVN: r60502
 2002-12-25 15:15:10 +00:00
Zack Weinberg
4977bab6ed Merge basic-improvements-branch to trunk 
From-SVN: r60174
 2002-12-16 18:23:00 +00:00
Jan Hubicka
2ffa993239 Really commit patch announced at Oct 14 PR c/7344 
Really commit patch announced at Oct 14
	PR c/7344
	* predict.c (can_predict_insn_p): New function.
	(estimate_probability): Avoid unnecesary work.
	(process_note_prediction): Likewise.
	* toplev.c (rest_of_compilation): Account early branch prediction pass
	as TV_BRANCH_PROB.

From-SVN: r58246
 2002-10-17 13:54:32 +00:00
Jan Hubicka
c07f146f07 * predict.c (choose_function_section): Avoid choice for linkonce functions. 
From-SVN: r57785
 2002-10-03 19:43:00 +00:00
Neil Booth
060a58c593 gengenrtl.c (gencode): Don't define obstack_alloc_rtx. 
* gengenrtl.c (gencode): Don't define obstack_alloc_rtx.
	* function.c (SYMBOL__MAIN): Remove definition.
	* global.c (SET_CONFLICT, REGBITP, ALLOCNO_LIVE_P): Remove.
	* predict.c (PROB_NEVER, PROB_LIKELY, PROB_UNLIKELY): Remove.
	* profile.c (GCOV_INDEX_TO_BB): Remove.
	* sched-rgn.c (ABS_VALUE, MIN_DIFF_PRIORITY, MIN_PROB_DIFF): Remove.
	* simplify-rtx.c (FIXED_BASE_PLUS_P): Remove.

From-SVN: r55631
 2002-07-21 22:01:58 +00:00
Jan Hubicka
355be0dc58 Mon Jun 10 20:42:34 CEST 2002 Jan Hubicka <jh@suse.cz> 
* basic-block.h: Do not include et-forest.h
	(dominance_info): Declare as struct dominance-info.
	* cfglayout.c (cleanup_unconditional_jumps): Remove the edge before
	deleting block.
	* dominance.c (struct dominance_info): Define.
	(BB_NODE, SET_BB_NODE): New macros.
	(bb_hash_func, bb_eq_func): Kill.
	(calculate_dominace_info, free_dominacne_info, set_immediate_dominator,
	nearest_common_dominator, dominated_by_p, recount_dominator,
	add_to_dominance_info, delete_from_dominance_info): update for new
	representation.
	(get_dominated_by, redirect_immediate_dominators): Rewrite using
	enumerate_sons.
	* ifcvt.c (process_double_test_block, merge_if_block, find_cond_trap,
	find_if_case_1, find_if_case_2): Remove killed blocks from dominance
	structure.

	* et-forest.h: Update copyright; revamp all function to operate on
	nodes
	(et_forest_value): Kill.
	(et_forest_enumerate_sons, et_forest_node_value): New.
	* et-forest.c: Update copyright.
	* et-forest.h: Update copyright; revamp all function to operate on
	nodes
	(et_forest_value): Kill.
	(et_forest_enumerate_sons, et_forest_node_value): New.

	Thu Jun  6 22:43:43 CEST 2002  Jan Hubicka  <jh@suse.cz>

	* basic-block.h: Inlude et-forest.h
	(basic_block_def): Kill dominator.
	(dominance_info): New type.
	(loops): Use dominace_info.
	(dominace handling functions): Take dominace_info as argument
	instead of bitmaps.
	(create_preheader): Likewise.
	* cfg.c (entry_exit_blocks): Kill dominator.
	(dump_flow_info): Do not dump dominators.
	* cfglayout.c (cleanup_unconditonal_jumps): Delete deleted block from
	dominators.
	* cfgloop.c (flow_pre_header_find): Use dominacne_info.
	(flow_loops_pre_header_scan, make_forwarder_block,
	canonicale_loop_headers, flow_loops_find): Likewise.
	* dominance.c: Include error.h
	(idoms_to_doms): Kill.
	(bb_hash_func, bb_eq_func): New static functions.
	(debug_dominace_info): New global function.
	(calculate_dominance_info): Use new et forest structure.
	(free_dominace_info, get_immediate_dominator, set_immediate_dominator,
	get_dominated_by, redirect_immediate_dominators,
	nearest_common_dominator, dominated_by_p, verify_dominators,
	recount_dominator, iterate_fix_dominators, add_to_dominace_info,
	delete_from_dominance_info): New global functions.
	* gcse.c (domnators): CHange to dominance_info.
	(alloc_hoist_mem): Do not alloc dominators
	(free_code_hoist_mem): Use free_dominance_info.
	(compute_code_hoist_data): Use dominance_info.
	(hoist_code): Likewise.
	* ifcvt.c (post_dominators): Likewise.
	(find_if_case_2, if_convert): Likewise.
	* predict.c (process_note_predictions, process_note_prediction,
	estimate-probability): Likewise.
	* sched-rgn.c (find_rgns, init_regions): Likewise.
	* ssa-dce.c (find_all_control_dependences, fint_control_depemndence,
	find_pdom, delete_insn_bb, ssa_eliminate_dead_code): Likewise.
	* ssa.c (compute_dominance_frontiers_1, rename_block, rename_registers,
	find_evaluations, convert_to_ssa): Likewise.
	* ssa.h (compute_dominance_frontiers): Likewise.

	Thu Jun  6 22:57:34 CEST 2002  Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz>

	* Makefile.in (et-forest.c): Add.
	* et-forest.c: New file.
	* at-forest.h: New file.

Co-Authored-By: Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz>

From-SVN: r54843
 2002-06-20 17:51:06 +00:00
Zdenek Dvorak
2ecfd709c2 basic-block.h (struct basic_block_def): New field loop_father. 
* basic-block.h (struct basic_block_def): New field loop_father.
	(BB_VISITED): New flag.
	(struct loop): New field pred, removed field shared.
	(struct loops): New field parray.
	(LOOP_EXITS_DOMS): Removed.
	(flow_loop_tree_node_add, flow_loop_tree_node_remove,
	flow_loop_nested_p, flow_bb_inside_loop_p, get_loop_body,
	dfs_enumerate_from, loop_preheader_edge, loop_latch_edge,
	add_bb_to_loop, remove_bb_from_loops, find_common_loop,
	verify_loop_structure): Declare.
	* cfg.c (entry_exit_blocks): Initialize loop_father field.
	* cfganal.c (dfs_enumerate_from): New function.
	* cfgloop.c (HEAVY_EDGE_RATIO): New constant.
	(flow_loop_entry_edges_find, flow_loop_exit_edges_find,
	flow_loop_nodes_find, flow_loop_level_compute, flow_loop_nested_p,
	flow_loop_dump, flow_loops_dump, flow_loops_free,
	flow_loop_tree_node_add, flow_loop_level_compute,
	flow_loops_level_compute, flow_loop_scan, flow_loops_update,
	flow_loop_outside_edge_p): Modified for new infrastructure.
	(make_forwarder_block, canonicalize_loop_headers, glb_enum_p,
	redirect_edge_with_latch_update, flow_loop_free): New static functions.
	(flow_loop_tree_node_remove, flow_bb_inside_loop_p,
	get_loop_body, add_bb_to_loop, remove_bb_from_loops,
	find_common_loop, verify_loop_structure, loop_latch_edge,
	loop_preheader_edge): New functions.
	(flow_loops_cfg_dump): Do not show dominators, as this information
	does not remain up to date long.
	(flow_loops_find): Store results in new format.
	* predict.c (propagate_freq, estimate_probability,
	estimate_loops_at_level, estimate_bb_frequencies): Use new loop
	infrastructure.

From-SVN: r54142
 2002-06-01 09:24:41 +00:00
Zdenek Dvorak
bf77398cef basic-block.h (last_basic_block): Declare. 
* basic-block.h (last_basic_block): Declare.
	(expunge_block_nocompact): Declaration removed.
	(compact_blocks): Declare.
	* cfg.c (last_basic_block): New variable.
	(expunge_block_nocompact): Removed.
	(expunge_block): Do not compact basic blocks.
	(compact_blocks): New.
	* cfganal.c (flow_call_edges_add): Use the fact that bb indices no
	longer change.
	* cfgbuild.c (find_basic_blocks_1, find_basic_blocks): Set
	last_basic_block.
	* cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Do not change
	real positions of blocks.
	(delete_unreachable_blocks): Simplified -- quadratic behavior now
	cannot occur.
	(cleanup_cfg): Compact blocks.
	* cfgrtl.c (create_basic_block): Insert basic blocks to the end of
	basic_block_info varray.
	(flow_delete_block): Comment update.
	(back_edge_of_syntactic_loop_p): Modify position check code.
	(verify_flow_info): Update checking.
	* flow.c (calculate_global_regs_live): Use FOR_EACH_BB.
	* ifcvt.c (SET_ORIG_INDEX, ORIG_INDEX): Removed.
	(find_if_case_1, find_if_case_2, if_convert): Use the fact that bb
	indices no longer change.
	* lcm.c (optimize_mode_switching): Replace n_basic_blocks with
	last_basic_block.
	* predict.c (estimate_bb_frequencies): Remove unneccessary code.
	* profile.c (branch_prob): Compact blocks.
	* sched-rgn.c (find_rgns): Replace n_basic_blocks with
	last_basic_block.

From-SVN: r53957
 2002-05-28 12:53:47 +00:00
Zdenek Dvorak
d55bc08175 basic-block.h (last_basic_block): Defined as synonym for n_basic_blocks. 
* basic-block.h (last_basic_block): Defined as synonym for
	n_basic_blocks.
	* cfganal.c (mark_dfs_back_edges, flow_reverse_top_sort_order_compute,
	flow_depth_first_order_compute, flow_preorder_transversal_compute,
	flow_dfs_compute_reverse_init): Replaced relevant occurences of
	n_basic_blocks with last_basic_block.
	* cfgbuild.c (make_edges): Likewise.
	* cfgloop.c (flow_loop_scan, flow_loops_find): Likewise.
	* cfgrtl.c (verify_flow_info, purge_all_dead_edges): Likewise.
	* combine.c (combine_instructions): Likewise.
	* df.c (df_alloc, df_analyse_1, df_analyse, iterative_dataflow_sbitmap,
	iterative_dataflow_bitmap): Likewise.
	* dominance.c (init_dom_info, calc_dfs_tree_nonrec, calc_dfs_tree,
	calc_idoms, idoms_to_doms): Likewise.
	* flow.c (update_life_info_in_dirty_blocks, free_basic_block_vars):
	Likewise.
	* gcse.c (gcse_main, alloc_gcse_mem, compute_local_properties,
	compute_hash_table, expr_reaches_here_p, one_classic_gcse_pass,
	one_cprop_pass, compute_pre_data, pre_expr_reaches_here_p,
	one_pre_gcse_pass, compute_transpout, delete_null_pointer_checks_1,
	delete_null_pointer_checks, compute_code_hoist_vbeinout,
	hoist_expr_reaches_here_p, hoist_code, one_code_hoisting_pass,
	compute_store_table, build_store_vectors): Likewise.
	* haifa-sched.c (sched_init): Likewise.
	* ifcvt.c (if_convert): Likewise.
	* lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete,
	pre_edge_lcm, compute_available, compute_nearerout,
	compute_rev_insert_delete, pre_edge_rev_lcm, optimize_mode_switching):
	Likewise.
	* predict.c (estimate_probability, process_note_prediction,
	note_prediction_to_br_prob): Likewise.
	* profile.c (GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): Likewise.
	* recog.c (split_all_insns, peephole2_optimize): Likewise.
	* regrename.c (copyprop_hardreg_forward): Likewise.
	* resource.c (init_resource_info): Likewise.
	* sched-rgn.c (build_control_flow, find_rgns, compute_trg_info,
	init_regions, schedule_insns): Likewise.
	* ssa-ccp.c (ssa_const_prop): Likewise.
	* ssa-dce.c (ssa_eliminate_dead_code): Likewise.
	* ssa.c (compute_dominance_frontiers,
	compute_iterated_dominance_frontiers, convert_to_ssa): Likewise.

	* df.c (df_refs_unlink): Fix FOR_EACH_BB usage (in #if 0'ed code)
	* gcse.c (alloc_rd_mem, alloc_avail_expr_mem): Use n_blocks for vector
	sizes consistently.

From-SVN: r53924
 2002-05-27 13:45:44 +00:00
Zdenek Dvorak
e0082a7265 bb-reorder.c (make_reorder_chain, [...]): Use FOR_EACH_BB macros to iterate over basic block chain. 
* bb-reorder.c (make_reorder_chain, make_reorder_chain_1):
	Use FOR_EACH_BB macros to iterate over basic block chain.
	* cfg.c (clear_edges, clear_bb_flags, dump_flow_info,
	alloc_aux_for_blocks, clear_aux_for_blocks, alloc_aux_for_edges):
	Likewise.
	* cfganal.c (set_edge_can_fallthru_flag, flow_call_edges_add,
	find_unreachable_blocks, create_edge_list, verify_edge_list,
	remove_fake_edges, add_noreturn_fake_exit_edges,
	flow_preorder_transversal_compute, flow_dfs_compute_reverse_execute):
	Likewise.
	* cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks,
	find_sub_basic_blocks): Likewise.
	* cfgcleanup.c (try_optimize_cfg, delete_unreachable_blocks):
	Likewise.
	* cfglayout.c (record_effective_endpoints, cleanup_unconditional_jumps):
	Likewise.
	* cfgloop.c (flow_loops_cfg_dump, flow_loops_find):
	Likewise.
	* cfgrtl.c (compute_bb_for_insn, tidy_fallthru_edges,
	commit_edge_insertions, commit_edge_insertions_watch_calls,
	print_rtl_with_bb, verify_flow_info, purge_all_dead_edges): Likewise.
	* combine.c (combine_instructions, reg_dead_at_p): Likewise.
	* conflict.c (conflict_graph_compute): Likewise.
	* df.c (df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_analyse_1,
	df_modified_p, df_refs_unlink, df_dump): Likewise.
	* dominance.c (calc_dfs_tree, calculate_dominance_info): Likewise.
	* final.c (compute_alignments): Likewise.
	* flow.c (update_life_info, update_life_info_in_dirty_blocks,
	delete_noop_moves, calculate_global_regs_live, allocate_bb_life_data,
	count_or_remove_death_notes): Likewise.
	* gcse.c (oprs_unchanged_p, record_last_reg_set_info,
	compute_hash_table, compute_kill_rd, compute_rd, compute_ae_kill,
	classic_gcse, compute_transp, cprop, compute_pre_data,
	compute_transpout, invalidate_nonnull_info,
	delete_null_pointer_checks_1, delete_null_pointer_checks,
	compute_code_hoist_vbeinout, hoist_code, compute_ld_motion_mems,
	compute_store_table, build_store_vectors, store_motion): Likewise.
	* global.c (global_conflicts, mark_elimination): Likewise.
	* graph.c (print_rtl_graph_with_bb): Likewise.
	* haifa-sched.c (sched_init): Likewise.
	* ifcvt.c (if_convert): Likewise.
	* lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete,
	compute_available, compute_nearerout, compute_rev_insert_delete,
	optimize_mode_switching): Likewise.
	* local-alloc.c (local_alloc, update_equiv_regs): Likewise.
	* predict.c (estimate_probability, note_prediction_to_br_prob,
	propagate_freq, counts_to_freqs, expensive_function_p,
	estimate_bb_frequencies): Likewise.
	* profile.c (instrument_edges, get_exec_counts,
	compute_branch_probabilities, compute_checksum, branch_prob,
	find_spanning_tree): Likewise.
	* recog.c (split_all_insns, peephole2_optimize): Likewise.
	* reg-stack.c (reg_to_stack, convert_regs_entry, convert_regs):
	Likewise.
	* regclass.c (scan_one_insn, regclass): Likewise.
	* regmove.c (mark_flags_life_zones, regmove_optimize,
	record_stack_memrefs): Likewise.
	* regrename.c (regrename_optimize, copyprop_hardreg_forward): Likewise.
	* reload1.c (reload, reload_combine, fixup_abnormal_edges): Likewise.
	* resource.c (find_basic_block): Likewise.
	* sched-ebb.c (schedule_ebbs): Likewise.
	* sched-rgn.c (is_cfg_nonregular, build_control_flow,
	find_single_block_region, find_rgns, schedule_insns)
	* sibcall.c (optimize_sibling_and_tail_recursive_call)
	* ssa-ccp.c (optimize_unexecutable_edges,
	ssa_ccp_df_delete_unreachable_insns): Likewise.
	* ssa-dce.c (ssa_eliminate_dead_code): Likewise.
	* ssa.c (find_evaluations, compute_dominance_frontiers_1,
	rename_block, convert_to_ssa, compute_conservative_reg_partition,
	compute_coalesced_reg_partition, rename_equivalent_regs,
	convert_from_ssa): Likewise.
	* config/ia64/ia64.c (emit_predicate_relation_info, process_epilogue,
	process_for_unwind_directive): Likewise.

	* df.c (FOR_ALL_BBS): Removed.
	* gcse.c (struct null_pointer_info): Type of current_block field
	changed.
	(struct reg_avail_info): Type of last_bb field changed.
	* config/ia64/ia64.c (block_num): Removed.
	(need_copy_state): Type changed.
	(last_block): New.

From-SVN: r53804
 2002-05-23 19:23:51 +00:00
Zdenek Dvorak
f6366fc7ad bb-reorder.c (make_reorder_chain_1): Modified. 
* bb-reorder.c (make_reorder_chain_1): Modified.
	* cfganal.c (can_fallthru, flow_call_edges_add,
	flow_preorder_transversal_compute): Modified.
	* cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks,
	find_sub_basic_blocks): Modified.
	* cfgcleanup.c (try_simplify_condjump, try_optimize_cfg): Modified.
	* cfglayout.c (skip_insns_after_block, fixup_reorder_chain,
	fixup_fallthru_exit_predecessor, cfg_layout_redirect_edge): Modified.
	* cfgrtl.c (tidy_fallthru_edges, verify_flow_info): Modified.
	* combine.c (this_basic_block): Type changed to basic_block.
	(combine_instructions, set_nonzero_bits_and_sign_copies, try_combine,
	nonzero_bits, num_sign_bit_copies, get_last_value_validate,
	get_last_value, distribute_notes, distribute_links): Modified.
	* final.c (compute_alignments): Modified.
	* flow.c (regno_uninitialized, regno_clobbered_at_setjmp): Modified.
	* function.c (thread_prologue_and_epilogue_insns): Modified.
	* gcse.c (compute_code_hoist_vbeinout): Modified.
	* global.c (build_insn_chain): Modified.
	* ifcvt.c (find_if_block, find_cond_trap): Modified.
	* predict.c (last_basic_block_p, note_prediction_to_br_prob): Modified.
	* regmove.c (regmove_optimize): Modified.
	* resource.c (find_basic_block): Modified.
	* sched-ebb.c (schedule_ebbs): Modified.
	* ssa-dce.c (find_control_dependence, find_pdom): Modified.

From-SVN: r53695
 2002-05-21 20:37:43 +00:00
Kazu Hirata
6a4d67604e params.c: Fix formatting. 
* params.c: Fix formatting.
	* params.h: Likewise.
	* predict.c: Likewise.
	* prefix.c: Likewise.
	* print-rtl.c: Likewise.
	* print-tree.c: Likewise.
	* profile.c: Likewise.

From-SVN: r53670
 2002-05-20 18:06:55 +00:00
Richard Henderson
0b17ab2f5b Revert "Basic block renumbering removal", and two followup patches. 
From-SVN: r53537
 2002-05-16 19:31:56 -07:00
Zdenek Dvorak
355e4ec445 Basic block renumbering removal. 
From-SVN: r53522
 2002-05-16 10:34:53 -07:00
Jan Hubicka
194734e9e5 invoke.texi (-malign-double): Re-add lost warning. 
* invoke.texi (-malign-double): Re-add lost warning.

	* i386-protos.h (x86_output_mi_thunk): Declare.
	* unix.h (ASM_OUTPUT_MI_THUNK): Move offline to ...
	* i386.c (x86_output_mi_thunk): ... here; handle 64bits.

	* dwarf2out.c (output_call_frame_info): Do not skip unwind info
	when flag_asynchronous_unwind_tables is set.

	* flags.h (flag_reorder_functions): Declare.
	* function.c (prepare_function_start): Initialize frequnecy.
	* params.def (HOT_BB_COUNT_FRACTION, HOT_BB_FREQUENCY_FRACTION): New paramters.
	* Makefile.in (predict.o): Add dependency on target.h and params.h
	* defaults.h (HOT_TEXT_SECTION_NAME,
	UNLIKELY_EXECUTED_TEXT_SECTION_NAME): New macros.
	* predict.c (choose_function_section): New function.
	(estimate_bb_frequencies): Use it.
	* toplev.c (flag_reorder_functions): New global variable.
	(lang_independent_options): New.
	(parse_options_and_default_flags): Set.
	* varasm.c (assemble_start_function): Bypass functdion alignment
	for never executed functions.
	* invoke.texi (-freorder-blocks, -freorder-functions): Document.
	(param hot-bb-count-fraction, hot-bb-frequency-fraction): New.
	* tm.texi (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
	Document.

	Thu Jan  3 21:52:09 CET 2002  Jan Hubicka  <jh@suse.cz>

	* predict.c: Inlude profile.h
	(MIN_COUNT): Rename to MIN_COUNT_FRACTION
	(maybe_hot_bb_p, probably_cold_bb_p, probably_never_executed_bb_p):
	Use the information about maximal counter in the program.

	Thu Dec 20 22:14:00 CET 2001  Jan Hubicka  <jh@suse.cz>

	* basic-block.h (maybe_hot_bb_p, probably_cold_bb_p,
	probably_never_executed_bb_p): New functions.
	* cfgcleanup.c (outgoing_edges_match): Use them.
	* predict.c (MIN_COUNT, MIN_FREQUENCY): New macros.
	(maybe_hot_bb_p, probably_cold_bb_p,
	probably_never_executed_bb_p): New functions.

	* function.h (function): Add new field function_frequency.
	* predict.c (compute_function_frequency): New function.
	(estimate_probability): Call it.

From-SVN: r53478
 2002-05-15 09:00:30 +00:00
Jan Hubicka
969d70ca57 cfglayout.c (function_tail_eff_head): Rename to ... 
* cfglayout.c (function_tail_eff_head): Rename to ...
	(function_footer): ... this one.
	(unlink_insn_chain): New functions.
	(label_for_bb): Only call block_label and emit debug message.
	(record_effective_endpoints): Actually unlink the headers and footers.
	(fixup_reorder_cahin): Re-insert the unlinked sequences.
	(cfg_layout_duplicate_bb): Use duplicate_insn_chain.
	* cfglayout.h (struct reorder_block_def): New fields footer/header;
	remove eff_head/eff_end.
	* rtl.h (set_first_insn): Declare.
	* emit-rtl.c (set_first_insn): New function.

	* cfglayout.c (fixup_reorder_chain): Dump duplicated
	(cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
	cfg_layout_duplicate_bb): New global function.
	(duplicate_insn_chain): New static function.
	* cfglayout.h (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
	cfg_layout_duplicate_bb): Declare.
	(struct reorder_block_def): Add "original" field.
	* emit-rtl.c (emit_copy_of_insn_after): New function.
	* rtl.h (emit_copy_of_insn_after): Declare.

	* cfglayout.c (fixup_fallthru_exit_predecessor): Kill.
	(fixup_reorder_chain): properly handle edges to exit block.

Wed May  8 11:10:31 CEST 2002  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
			       Jan Hubicka  <jh@suse.cz>

	* basic-block.h (note_prediction_to_br_prob): declare.
	* c-semantics.c: Inlucde predit.h
	(expand_stmt): predict GOTO_STMT as not taken.
	* cfgcleanup.c: (delete_unreachable_blocks): Make global.
	(cleanup_cfg): Do not free tail_recursion_list.
	* cfgrtl.c (can_delete_note_p): Delete NOTE_INSN_PREDICTION.
	(flow_delete_block): Kill predictions past end of basic block.
	* output.h (delete_unreachable_blocks): Declare.
	* predict.c (predicted_by_p, process_note_predictions,
	process_note_prediction, last_block_p): New function.
	(estimate_probability): Bypass loop on PRED_CONTINUE;
	do not handle noreturn heuristics; kill PRED_RETURN; add
	PRED_EARLY_RETURN.
	* predict.def (PRED_CONTINUE, PRED_EARLY_RETURN, PRED_GOTO,
	PRED_CONST_RETURN, PRED_NEGATIVE_RETURN, PRED_NULL_RETURN): New.
	* predict.h (IS_TAKEN): New constant.
	* print-rtl.c (print_rtx): Pretty print NOTE_INSN_PREDICTION.
	* rtl.c (NOTE_INSN_PREDICTION): New.
	* rtl.h (NOTE_PREDICTION, NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS):
	New macro.
	(insn_note): add NOTE_INSN_PREDICTION.
	* sibcall.c (optimize_sibling_and_tail_recursive_call): Do not build
	CFG; free tail_recursion_label_list.
	* stmt.c: Include predict.h;
	(return_prediction): New.
	(expand_value_return): Use it.
	* toplev.c: Lower NOTE_INSN_PREDICTION before sibcall.

From-SVN: r53285
 2002-05-08 09:17:27 +00:00
Herman A.J. ten Brugge
3d7a6309f8 predict.c: (propagate_freq... 
* predict.c: (propagate_freq, estimate_bb_frequencies): Use
        TYPE_MODE (double_type_node) instead of DFmode.

From-SVN: r53064
 2002-05-02 13:49:13 -07:00
Jan Hubicka
8aa18a7d50 predict.c (real_zero, [...]): New static variables. 
* predict.c (real_zero, real_one, real_almost_one, real_br_prob_base,
	real_one_half, real_bb_freq_max): New static variables.
	(debug_profile_bbauxs): Kill.
	(process_note_predictions): Kill unused variable.
	(block_info_def, edge_info_def): Use REAL_VALUE_TYPE instead of
	volatile double.
	(propagate_freq): Use REAL_ARITHMETICS.
	(estimate_bb_frequencies): Likevise; init new static variables.
	* Makefile.in (predict.o): Add dependency on real.h

From-SVN: r52889
 2002-04-29 10:19:56 +00:00
Richard Henderson
3900216066 predict.c (estimate_bb_frequencies): Do frequency calculation with a volatile temporary. 
* predict.c (estimate_bb_frequencies): Do frequency calculation
        with a volatile temporary.

From-SVN: r51879
 2002-04-04 13:38:40 -08:00
DJ Delorie
fbc2782eff bb-reorder.c (make_reorder_chain_1): Protect against when redundant edges are omitted. 
* bb-reorder.c (make_reorder_chain_1): Protect against
when redundant edges are omitted.
* predict.c (dump_prediction): Likewise.

From-SVN: r51160
 2002-03-21 21:50:15 -05:00
Kaveh R. Ghazi
155038f242 * predict.c (estimate_bb_frequencies): Delete unused variables. 
From-SVN: r50935
 2002-03-18 00:07:53 +00:00
Jan Hubicka
82d68d46a3 predict.c (estimate_bb_frequencies): Do not reload the frequencies from notes. 
* predict.c (estimate_bb_frequencies): Do not reload the
	frequencies from notes.

From-SVN: r50356
 2002-03-06 10:29:11 +00:00
Kazu Hirata
cf40364820 predict.c: Fix formatting. 
* predict.c: Fix formatting.
	* print-tree.c: Likewise.
	* protoize.c: Likewise.
	* real.h: Likewise.
	* rtl.h: Likewise.
	* sbitmap.h: Likewise.
	* scan.c: Likewise.
	* sched-deps.c: Likewise.
	* sched-vis.c: Likewise.
	* sdbout.c: Likewise.
	* sibcall.c: Likewise.
	* ssa.c: Likewise.
	* ssa-ccp.c: Likewise.
	* ssa-dce.c: Likewise.
	* stmt.c: Likewise.
	* stor-layout.c: Likewise.
	* system.h: Likewise.

From-SVN: r49074
 2002-01-22 14:33:35 +00:00
Kazu Hirata
3ef42a0c4f bitmap.h: Fix comment formatting. 
* bitmap.h: Fix comment formatting.
	* combine.c: Likewise.
	* cppfiles.c: Likewise.
	* c-pragma.h: Likewise.
	* c-typeck.c: Likewise.
	* df.c: Likewise.
	* dwarf2out.c: Likewise.
	* function.c: Likewise.
	* gcc.c: Likewise.
	* genattrtab.c: Likewise.
	* gthr-win32.h: Likewise.
	* haifa-sched.c: Likewise.
	* predict.c: Likewise.
	* rtlanal.c: Likewise.
	* rtl.h: Likewise.
	* unwind-dw2-fde.h: Likewise.
	* unwind-pe.h: Likewise.
	* vmsdbgout.c: Likewise.

From-SVN: r48987
 2002-01-18 13:40:36 +00:00
Jakub Jelinek
571a03b876 * predict.c (combine_predictions_for_insn): Avoid division by zero. 
From-SVN: r48615
 2002-01-07 22:15:12 +01:00
Kazu Hirata
23d1aac4b5 except.c: Fix comment formatting. 
* except.c: Fix comment formatting.
	* flags.h: Likewise.
	* flow.c: Likewise.
	* predict.c: Likewise.
	* simplify-rtx.c: Likewise.
	* system.h: Likewise.
	* vmsdbg.h: Likewise.
	* vmsdbgout.c: Likewise.

From-SVN: r48349
 2001-12-28 18:17:54 +00:00
Richard Kenner
bfdade77da * predict.c: Reformatting and minor cleanups. 
From-SVN: r48269
 2001-12-22 10:37:09 -05:00
Jan Hubicka
27b2c32e31 * predict.c (estimate_probability): Fix LOOP_EXIT heuristic. 
From-SVN: r48010
 2001-12-14 21:28:49 +00:00
Jan Hubicka
0dd0e980b5 predict.c (estimate_probability): Reorganize opcode heuristics. 
* predict.c (estimate_probability): Reorganize opcode heuristics.
	* predict.def (PRED_OPCODE_POSITIVE, PRED_OPCODE_NONEQUAL,
	PRED_FPOPCODE): New.

	* i386.c (override_options): Recognize various CPU variants and set
	SSE/MMX/3dNOW flags accordingly.
	* i386.h (MASK_MMX_SET, MASK_SSE_SET, MASK_SSE2_SET, MASK_3DNOW_SET,
	MASK_3DNOW_A_SET): New.
	(MASK_ACCUMULATE_OUTGOING_ARGS_SET): New.
	(MASK_NO_ACCUMULATE_OUTGOING_ARGS): Delete.
	(MASK_*): Renumber.
	(TARGET_FLAGS): Use new masks.
	(CPP_CPU_SPECS): Recognize new CPU variants.
	* invoke.texi (-mcpu): Update documentation.

	* flags.h (flag_prefetch_loop_arrays): Declare.
	* loop.h (LOOP_PREFETCH): Define new constant.
	* loop.c (strength_reduce): Call emit_prefetch_instructions.
	(MAX_PREFETCHES, PREFETCH_BLOCKS_BEFORE_LOOP_MAX,
	PREFETCH_BLOCKS_BEFORE_LOOP_MIN, PREFETCH_BLOCKS_IN_LOOP_MIN): New
	constants.
	(check_store_data): New structure.
	(check_store, emit_prefetch_instructions, rtx_equal_for_prefetch_p):
	New functions.
	* toplev.c: Include insn-flags.h.
	(flag_prefetch_loop_arrays): New global variable.
	(lang_independent_option): Add -fprefetch-loop-arrays.
	(rest_of_compilation) Pass LOOP_PREFETCH when flag_prefetch_loop_arrays
        is set.
	* Makefile.in (toplev.c): Depend on insn-flags.h.
	* invoke.texi (-fprefetch-loop-arrays): Document.

	* predict.c (estimate_probability): Distribute the loop exit
	probability according to number of exit edges.

	* cfgcleanup.c (insns_match_p): Break out from ...;
	(flow_find_cross_jump): ... here;
	(outgoing_edges_match): Add parameter MODE; attempt to match everything
	except for tablejumps.
	(try_crossjump_to_edge): Accept complex edges.
	(try_crossjump_bb): Likewise.

From-SVN: r47969
 2001-12-13 11:34:11 +00:00
Joseph Myers
a1f300c0f1 ChangeLog.0, [...]: Fix spelling errors. 
* ChangeLog.0, ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog,
	FSFChangeLog.10, c-decl.c, cppfiles.c, cppinit.c, cpplex.c,
	cpplib.c, cppmain.c, cse.c, df.c, diagnostic.c, dominance.c,
	dwarf2out.c, dwarfout.c, emit-rtl.c, errors.c, except.c, except.h,
	explow.c, function.c, gcse.c, genrecog.c, predict.c, regmove.c,
	sched-rgn.c, ssa-ccp.c, stmt.c, toplev.c: Fix spelling errors.

From-SVN: r47279
 2001-11-23 02:05:19 +00:00
Joseph Myers
754d92990a predict.c, [...]: Fix spelling errors. 
gcc:
	* predict.c, reg-stack.c: Fix spelling errors.

libstdc++-v3:
	* config/locale/moneypunct_members_gnu.cc,
	include/bits/locale_facets.h: Fix spelling errors.

From-SVN: r47278
 2001-11-23 01:37:07 +00:00
Jan Hubicka
7fcd721879 gcse.c (try_replace_reg): Copy RTX before creating note. 
* 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
 2001-11-19 17:08:48 +00:00
Jan Hubicka
497786446b cfglayout.c (fixup_fallthru_exit_predecesor): New static function. 
* cfglayout.c (fixup_fallthru_exit_predecesor): New static function.
	(cfg_layout_finalize): Use it.
	* bb-reorder.c (HAVE_epilogue): Remove.
	(make_reorder_chain): Do not care special placement of
	last basic block.

	* predict.c (expected_value_to_br_prob): Delete the note
	once transformed.

	* c-decl.c (c_expand_body): Fix TV_EXPAND nesting problem;
	measure integration time separately.

From-SVN: r47019
 2001-11-14 19:36:17 +00:00
Joseph Myers
eaec9b3d7e ChangeLog.2, [...]: Fix spelling errors. 
* ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog.5, ChangeLog,
	cfg.c, cfganal.c, cfgcleanup.c, cfglayout.c, cfgloop.c, cfgrtl.c,
	collect2.c, combine.c, config.in, configure, configure.in,
	conflict.c, dwarf2out.c, dwarfout.c, except.c, final.c, flow.c,
	genattrtab.c, ggc-page.c, jump.c, lcm.c, predict.c, reg-stack.c,
	reload1.c, rtlanal.c, sched-rgn.c, toplev.c, unwind-dw2-fde.h: Fix
	spelling errors.

From-SVN: r46928
 2001-11-11 11:25:28 +00:00
Kaveh R. Ghazi
8b60264b0d builtins.c (expand_builtin_setjmp_receiver): Const-ify. 
* builtins.c (expand_builtin_setjmp_receiver): Const-ify.
	* c-common.c (fname_var_t, c_tree_code_type, c_tree_code_length):
	Likewise.
	* c-dump.c (dump_option_value_info): Likewise.
	* c-format.c (format_length_info, format_char_info,
	format_flag_spec, format_flag_pair, format_kind_info): Likewise.
	* collect2.c (names): Likewise.
	* cppdefault.h (default_include): Likewise.
	* cppexp.c (suffix, vsuf_1, vsuf_2, vsuf_3): Likewise.
	* flow.c (life_analysis): Likewise.
	* gcc.c (dir_separator_str, modify_target, option_map,
	target_option_translations, spec_list_1, extra_specs_1,
	init_spec): Likewise.
	* gcov.c (gcov_version_string): Likewise.
	* genattr.c (write_units): Likewise.
	* genattrtab.c (make_length_attrs, write_function_unit_info): Likewise.
	* gengenrtl.c (rtx_definition, defs): Likewise.
	* genrecog.c (pred_table): Likewise.
	* global.c (global_alloc): Likewise.
	* lcm.c (optimize_mode_switching): Likewise.
	* local-alloc.c (find_free_reg): Likewise.
	* params.h (param_info): Likewise.
	* predict.c (predictor_info): Likewise.
	* protoize.c (unexpansion_struct): Likewise.
	* real.c (bmask): Likewise.
	* recog.h (insn_operand_data, insn_data): Likewise.
	* regclass.c (initial_fixed_regs, initial_call_used_regs): Likewise.
	* stmt.c (expand_nl_goto_receiver): Likewise.
	* toplev.c (da, debug_args, lang_opt, documented_lang_options,
	target_switches, target_options): Likewise.
	* tradcif.y (token, tokentab2, yylex): Likewise.
	* tree.h (attribute_spec): Likewise.

	* alpha.c (override_options, alpha_lookup_xfloating_lib_func):
	Likewise.
	* arc.c (arc_output_function_epilogue): Likewise.
	* arm.c (processors, all_cores, all_architectures,
	arm_override_options, isr_attribute_arg, isr_attribute_args,
	arm_isr_value): Likewise.
	* avr.c (mcu_type_s, reg_class_tab, order_regs_for_local_alloc):
	Likewise.
	* c4x.c (c4x_int_reglist): Likewise.
	* d30v.c (override_options): Likewise.
	* h8300.c (shift_insn): Likewise.
	* i386.c (size_cost, i386_cost, i486_cost, pentium_cost,
	pentiumpro_cost, k6_cost, athlon_cost, pentium4_cost, ix86_cost,
	ix86_expand_sse_comi, ix86_expand_sse_compare, override_options,
	builtin_description, bdesc_comi, bdesc_2arg, bdesc_1arg,
	ix86_init_mmx_sse_builtins, ix86_expand_builtin): Likewise.
	* i386.h (processor_costs, ix86_cost): Likewise.
	* m68hc11.c (m68hc11_cost, m6811_cost, m6812_cost): Likewise.
	* m68hc11.h (processor_costs, m68hc11_cost): Likewise.
	* m68k.c (codes_68881, codes_FPA): Likewise.
	* m88k.c (mode_from_align, max_from_align, all_from_align,
	best_from_align, m_options): Likewise.
	* m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
	* mcore.c (mode_from_align): Likewise.
	* mips/elf64.h (UNIQUE_SECTION): Likewise.
	* mips/iris6gld.h (UNIQUE_SECTION): Likewise.
	* mips.c (mips_sw_reg_names, mips_regno_to_class): Likewise.
	* mips.h (mips_regno_to_class): Likewise.
	* ns32k.c (scales): Likewise.
	* pa.c (import_string, magic_milli): Likewise.
	* rs6000.c (alt_reg_names, rs6000_override_options): Likewise.
	* sparc.c (leaf_reg_remap, sparc_override_options,
	reg_leaf_alloc_order, reg_nonleaf_alloc_order, reg_alloc_orders):
	Likewise.
	* sparc.h (sparc_cpu_select, leaf_reg_remap): Likewise.

cp:
	* class.c (build_vtable_entry_ref): Const-ify.
	* decl.c (predefined_identifier,
	initialize_predefined_identifiers): Likewise.
	* init.c (build_new_1): Likewise.
	* lex.c (cplus_tree_code_type, cplus_tree_code_length, resword):
	Likewise.

f:
	* bad.c (_ffebad_message_, ffebad_messages_): Const-ify.
	* bld.c (ffebld_arity_op_): Likewise.
	* bld.h (ffebld_arity_op_): Likewise.
	* com.c (ffecom_init_0): Likewise.
	* intdoc.c (_ffeintrin_name_, _ffeintrin_gen_, _ffeintrin_spec_,
	_ffeintrin_imp_, names, gens, imps, specs, cc_pair,
	cc_descriptions, cc_summaries): Likewise.
	* intrin.c (_ffeintrin_name_, _ffeintrin_gen_, _ffeintrin_spec_,
	_ffeintrin_imp_, ffeintrin_names_, ffeintrin_gens_,
	ffeintrin_imps_, ffeintrin_specs_): Likewise.

java:
	* jcf-io.c (format_uint): Const-ify.
	* lang.c (java_tree_code_type, java_tree_code_length): Likewise.
	* lex.c (java_get_line_col): Likewise.
	* parse.y (build_incdec): Likewise.

From-SVN: r46062
 2001-10-07 16:51:11 +00:00
Jan Hubicka
ca6c03cabd Makefile.in (cfgrtl.o): Add. 
* Makefile.in (cfgrtl.o): Add.
	* basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
	free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
	free_aux_for_edge): Declare.
	* cfg.c
	(HAVE_return): Undefine.
	* basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
	free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
	free_aux_for_edge): New global functions.
	(first_delete_block): New static variable.
	(init_flow): Clear first_delete_block.
	(basic_block_for_insn, label_value_list, tail_recursion_label_list,
	 can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
	 try_redirect_by_replacing_jump, last_loop_beg_note,
	 back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
	 delete_insn, delete_insn_chain, create_basic_block_structure,
	 create_basic_block, flow_delete_block, compute_bb_for_insn,
	 free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
	 set_block_for_new_insns, split_block, merge_blocks_nomove,
	 block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
	 redirect_edge_and_branch, force_nonfallthru_and_redirect,
	 force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
	 tidy_fallthru_edges, split_edge, insert_insn_on_edge,
	 commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
	 debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
	 purge_all_dead_edges): Move to ....
	* cfgrtl.c: New file; .... Here.

	* bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
	(reroder_basic_block): Use alloc_aux_for_blocks.
	* predict.c (estimate_bb_frequencies): Likewise; use
	alloc_aux_for_edges.
	* profile.c (compute_branch_probabilities): Likewise.
	(branch_prob): Likewise.
	* reg-stack.c (reg_to_stack): Likewise.

	* emit-rtl.c (emit_insns_after): Never return NULL.

	* basic-block.h (set_block_for_new_insns): Delete.
	* cfgrtl.c (set_block_for_new_insns): Delete.

	* cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
	calls when crossjumping.

	* cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
	* unroll.c (copy_loop_body): Use delete_insn.

	* final.c (final, final_scan_insn): Use delete_insn/delete_note.
	* function.c (fixup_var_refs_insn, fixup_var_refs_1,
	keep_stack_depressed): Likewise.
	* gcse.c (cprop_cc0_jump): Likewise.
	* local-alloc.c (update_equiv_regs): Likewise.
	* loop.c (scan_loop, loop_delete_insns): Likewise.
	* regmove.c (try_auto_increment, fixup_match_1): Likewise.
	* reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
	delete_output_reload, delete_address_reloads_1,
	reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
	Likewise.
	* sibcall.c (replace_call_placeholder): Likewise.
	* cse.c (cse_insn): Likewise.

From-SVN: r45807
 2001-09-25 15:26:55 +00:00
Richard Henderson
24ee7caee0 * predict.c (expected_value_to_br_prob): Use pc_set. 
From-SVN: r45738
 2001-09-21 13:43:54 -07:00