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From-SVN: r87506
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gcc_unreachable.
* cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
or gcc_unreachable.
* cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
alloc_aux_for_edges, free_aux_for_edges): Likewise.
* cfgcleanup.c (try_forward_edges,
merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps): Likewise.
* cfgexpand.c (expand_gimple_cond_expr,
expand_gimple_tailcall): Likewise.
* cfghooks.c (duplicate_block): Likewise.
* cfglayout.c (record_effective_endpoints,
insn_locators_initialize, change_scope, fixup_reorder_chain,
verify_insn_chain, fixup_fallthru_exit_predecessor,
duplicate_insn_chain, cfg_layout_finalize): Likewise.
* cfgloopanal.c (check_irred): Likewise.
* cfgloop.c (superloop_at_depth, flow_loops_free,
flow_loop_entry_edges_find, flow_loops_find,
flow_loop_outside_edge_p, get_loop_body,
get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
get_loop_exit_edges, num_loop_branches, cancel_loop,
verify_loop_structure): Likewise.
cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
duplicate_loop_to_header_edge, create_preheader,
create_loop_notes): Likewise.
* cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
edirect_branch_edge, force_nonfallthru_and_redirect,
rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
commit_edge_insertions, commit_edge_insertions_watch_calls,
purge_dead_edges, cfg_layout_redirect_edge_and_branch,
cfg_layout_redirect_edge_and_branch_force,
cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
* cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
cgraph_varpool_node): Likewise.
* cgraphunit.c (cgraph_finalize_function,
cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
cgraph_expand_function, cgraph_remove_unreachable_nodes,
cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
cgraph_mark_inline, cgraph_expand_all_functions,
cgraph_build_static_cdtor): Likewise.
* combine.c (do_SUBST, try_combine, subst, combine_simplify_rtx,
simplify_logical, distribute_notes, insn_cuid): Likewise.
* conflict.c (conflict_graph_add, print_conflict): Likewise.
* coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
coverage_checksum_string): Likewise.
* cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
cse_cc_succs, cse_condition_code_reg): Likewise.
* cselib.c (entry_and_rtx_equal_p, remove_useless_values,
rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
cselib_record_set): Likewise.
From-SVN: r87145
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2004-09-04 Jan Hubicka <jh@suse.cz>
* cfg.c (free_edge): Use ggc_free.
(expunge_block): Use ggc_free.
* passes.c (rest_of_clean_state): Free after compilation.
* tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
* tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
From-SVN: r87058
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* basic-block.h (BB_SET_PARTITION): Clear old value first.
* cfg.c (clear_bb_flags): Don't clear partition setting.
From-SVN: r86537
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* cfg.c (check_bb_profile): Fix typos.
* function.c (assign_parm_is_stack_parm): Likewise.
* tree-nested.c: Likewise.
From-SVN: r86457
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* basic-block.h (profile_staus): New global variable.
* cfg.c (profile_status): Declare.
(check_bb_profile): Break out from ....; use profile_status
(dump_flow_info): ... here.
* cfgbuild.c (find_basic_blocks): Set profile_status.
* cfgexpand.c (tree_expand_cfg): Likewise.
* predict.c (estimate_probability): Likewise.
* profile.c (branch_prob): Likewise.
* tree-cfg.c (build_tree_cfg): Likewise.
(dump_function_to_file): Use check_bb_profile.
* tree-pretty-print (dump_bb_header): Likewise.
* tree-profile.c (do_tree_profiling): Cleanup.
From-SVN: r85579
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From-SVN: r81764
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2004-04-09 Caroline Tice <ctice@apple.com>
* basic-block.h (struct edge_def): Add new field, crossing_edge.
(struct basic_block_def): Add new field, partition.
(UNPARTITIONED, HOT_PARTITION, COLD_PARTITION): New constant macro
definitions.
(partition_hot_cold_basic_blocks): Add extern function
declaration.
* bb-reorder.c (function.h, obstack.h, expr.h, regs.h): Add four new
include statements.
(N_ROUNDS): Increase the maximum number of rounds by 1.
(branch_threshold): Add array value for new round.
(exec_threshold): Add array value for new round.
(push_to_next_round_p): New function.
(add_unlikely_executed_notes): New function.
(find_rarely_executed_basic_blocks_and_crossing_edges): New function.
(mark_bb_for_unlikely_executed_section): New function.
(add_labels_and_missing_jumps): New function.
(add_reg_crossing_jump_notes): New function.
(fix_up_fall_thru_edges): New function.
(find_jump_block): New function.
(fix_crossing_conditional_branches): New function.
(fix_crossing_unconditional_branches): New function.
(fix_edges_for_rarely_executed_code): New function.
(partition_hot_cold_basic_blocks): New function.
(find_traces): Add an extra round for partitioning hot/cold
basic blocks.
(find_traces_1_round): Add a parameter. Modify to push all cold blocks,
and only cold blocks, into the last (extra) round of collecting traces.
(better_edge_p): Add a parameter. Modify to favor non-crossing edges
over crossing edges.
(bb_to_key): Add code to correctly identify cold blocks when
doing partitioning.
(connect_traces): Modify to connect all the non-cold traces first, then
go back and connect up all the cold traces.
(reorder_basic_blocks): Add call to add_unlikely_executed_notes.
* cfg.c (entry_exit_blocks): Add initialization for partition field in
entry and exit blocks.
* cfgbuild.c (make_edges): Update current_function_has_computed_jump
if we are doing hot/cold partitioning.
* cfgcleanup.c (cfglayout.h): Add new include statement.
(try_simplify_condjump): Modify to not attempt on blocks with jumps
that cross section boundaries.
(try_forward_edges): Likewise.
(merge_blocks_move_predecessor_nojumps): Likewise.
(merge_blocks_move_successor_nojumps): Likewise.
(merge_blocks_move): Likewise.
(try_crossjump_to_edge): Modify to not attempt after we have done
the block partitioning.
(try_crossjump_bb): Modify to not attempt on blocks with jumps that
cross section boundaries.
(try_optimize_cfg): Likewise.
* cfghooks.c (tidy_fallthru_edges): Modify to not remove indirect
jumps that cross section boundaries.
* cfglayout.c (flags.h): Add new include statement.
(update_unlikely_executed_notes): New function.
(fixup_reorder_chain): Add code so when a new jumping basic block is
added, it's UNLIKELY_EXECUTED_CODE and REG_CROSSING_JUMP notes are
updated appropriately.
(duplicate_insn_chain): Add code to duplicate the new NOTE insn
introduced by this optimization.
* cfglayout.h (scan_ahead_for_unlikely_executed_note): Add new
extern function declaration.
* cfgrtl.c (can_delete_note_p): Add NOTE_INSN_UNLIKELY_EXECUTED_CODE to
list of notes that can be deleted.
(create_basic_block_structure): Add initialization for partition field.
(rtl_can_merge_blocks): Modify to test blocks for jumps that cross
section boundaries.
(try_redirect_by_replacing_jump): Modify to not attempt on jumps that
cross section boundaries.
(commit_one_edge_insertion): Add code so newly created basic block
ends up in correct (hot or cold) section. Modify to disallow
insertions before NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
(rtl_verify_flow_info_1): Add code to verify that no fall_thru edge
crosses section boundaries.
(cfg_layout_can_merge_blocks_p): Modify to test blocks for jumps that
cross section boundaries.
(force_nonfallthru_and_redirect): Modify to make sure new basic block
ends up in correct section, with correct notes attached.
* common.opt (freorder-blocks-and-partition): Add new flag for this
optimization.
* dbxout.c (dbx_function_end): Add code to make sure scope labels at
the end of functions are written into the correct (hot or cold)
section.
(dbx_source_file): Add code so writing debug file information
doesn't incorrectly change sections.
* defaults.h (NORMAL_TEXT_SECTION_NAME): New constant macro, for use
in partitioning hot/cold basic blocks into separate sections.
(SECTION_FORMAT_STRING): New constant macro, for linux/i386 hot/cold
section partitioning.
(HAS_LONG_COND_BRANCH): New constant macro, indicating whether or not
conditional branches can span all of memory.
(HAS_LONG_UNCOND_BRANCH): New constant macro, indicationg whether or not
unconditional branches can span all of memory.
* final.c (scan_ahead_for_unlikely_executed_note): New function.
(final_scan_insn): Add code to check for NOTE instruction indicating
whether basic block belongs in hot or cold section, and to make sure
the current basic block is being written to the appropriate section.
Also added code to ensure that jump table basic blocks end up in the
correct section.
* flags.h (flag_reorder_blocks_and_partition): New flag.
* ifcvt.c (find_if_case_1): Modify to not attempt if conversion if
one of the branches has a jump that crosses between sections.
(find_if_case_2): Likewise.
(ifcvt): Modify to not attempt to mark loop exit edges after
hot/cold partitioning has occurred.
* opts.c (decode_options): Code to handle new flag,
flag_reorder_blocks_and_partition; also to turn it off if
flag_exceptions is on.
(common_handle_option): Code to handle new flag,
flag_reorder_blocks_and_partition.
* output.h (unlikely_text_section): New extern function declaration.
(in_unlikely_text_section): New extern function declaration.
* passes.c (rest_of_handle_stack_regs): Add
flag_reorder_blocks_and_partition as an 'or' condition for calling
reorder_basic_blocks.
(rest_of_handle_reorder_blocks): Add flag_reorder_blocks_and_partition
as an 'or' condition for calling reorder_basic_blocks.
(rest_of_compilation): Add call to partition_hot_cold_basic_blocks.
* print-rtl.c (print_rtx): Add code for handling new note,
NOTE_INSN_UNLIKELY_EXECUTED_CODE
* rtl.c (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note insn (see below).
(REG_CROSSING_JUMP): New kind of reg_note, to mark jumps that
cross between section boundaries.
* rtl.h (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note instruction,
indicating the basic block containing it belongs in the cold section.
(REG_CROSSING_JUMP): New type of reg_note, to mark jumps that cross
between hot and cold sections.
* toplev.c (flag_reorder_blocks_and_partition): Add code to
initialize this flag, and to tie it to the command-line option
freorder-blocks-and-partition.
* varasm.c (cfglayout.h): Add new include statement.
(unlikely_section_label_printed): New global variable, used for
determining when to output section name labels for cold sections.
(in_section): Add in_unlikely_executed_text to enum data structure.
(text_section): Modify code to use SECTION_FORMAT_STRING and
NORMAL_TEXT_SECTION_NAME macros.
(unlikely_text_section): New function.
(in_unlikely_text_section): New function.
(function_section): Add code to make sure beginning of function is
written into correct section (hot or cold).
(assemble_start_function): Add code to make sure stuff is written to
the correct section.
(assemble_zeros): Add in_unlikely_text_section as an 'or' condition
to an if statement that was checking 'in_text_section'.
(assemble_variable): Add 'in_unlikely_text_section' as an 'or'
condition to an if statement that was checking 'in_text_section'.
(default_section_type_flags_1): Add check: if in cold section
flags = SECTION_CODE.
* config/darwin.c (darwin_asm_named_section): Modify to use
SECTION_FORMAT_STRING if we are partitioning hot/cold blocks.
* config/i386/i386.h (HAS_LONG_COND_BRANCH): Defined this macro
specifically for the i386.
(HAS_LONG_UNCOND_BRANCH): Defined this macro specifically for the i386.
* config/rs6000/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Change
text string to something more informative.
(NORMAL_TEXT_SECTION_NAME): Add new definition.
(SECTION_FORMAT_STRING): Add new definition.
* config/rs6000/rs6000.c (rs6000_assemble_integer): Add
'!in_unlikely_text_section' as an 'and' condition to an if statement
that was already checking '!in_text_section'.
* config/rs6000/sysv4.h (HOT_TEXT_SECTION_NAME,NORMAL_TEXT_SECTION_NAME,
UNLIKELY_EXECUTED_TEXT_SECTION_NAME,SECTION_FORMAT_STRING): Make
sure these are properly defined for linux on ppc.
* doc/invoke.texi (freorder-blocks-and-partition): Add documentation
for this new flag.
* doc/rtl.texi (REG_CROSSING_JUMP): Add documentation for new
reg_note.
* doc/tm.texi (NORMAL_TEXT_SECTION_NAME, SECTION_FORMAT_STRING,
HAS_LONG_COND_BRANCH, HAS_LONG_UNCOND_BRANCH): Add documentation for
these new macros.
From-SVN: r80564
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* Makefile.in (cfghooks.o): Add TIMEVAR_H and toplev.h dependency.
* basic-block.h (tidy_fallthru_edge, tidy_fallthru_edges, dump_bb,
verify_flow_info): Declaration removed.
* cfg.c (verify_flow_info, dump_bb): Moved to cfghooks.c.
(debug_bb, debug_bb_n): Add argument to dump_bb call.
* cfgcleanup.c (try_simplify_condjump, try_crossjump_to_edge,
try_optimize_cfg, delete_unreachable_blocks): Use delete_basic_block
instead of delete_block.
* cfghooks.c: Include timevar.h and toplev.h.
(cfg_hooks): Define here.
(verify_flow_info, dump_bb): Moved from cfg.c.
(redirect_edge_and_branch, redirect_edge_and_branch_force,
split_block, split_block_after_labels, move_block_after,
delete_basic_block, split_edge, create_basic_block,
create_empty_bb, can_merge_blocks_p, merge_blocks,
make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
New functions.
* cfghooks.h (struct cfg_hooks): Added fields name,
make_forwarder_block, tidy_fallthru_edge and
move_block_after. Changed type of verify_flow_info, dump_bb,
split_block fields. Renamed cfgh_split_edge and delete_block
fields.
(redirect_edge_and_branch, redirect_edge_and_branch_force,
split_block, delete_block, split_edge, create_basic_block,
can_merge_blocks_p, merge_blocks): Macros removed.
(cfg_hooks): Do not export.
(verify_flow_info, dump_bb, redirect_edge_and_branch,
redirect_edge_and_branch_force, split_block, split_block_after_labels,
move_block_after, delete_basic_block, split_edge, create_basic_block,
create_empty_bb, can_merge_blocks_p, merge_blocks,
make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
Declare.
(cfg_layout_rtl_cfg_hooks): Declare.
* cfgloop.c (update_latch_info, mfb_keep_just, mfb_keep_nonlatch):
New functions.
(canonicalize_loop_headers): Use new semantics of make_forwarder_block.
(redirect_edge_with_latch_update): Removed.
(make_forwarder_block): Moved to cfghooks.c, semantics changed.
* cfgloopmanip.c (remove_bbs): Do not update dominators here.
* cfgrtl.c (cfg_layout_split_block, rtl_split_block, rtl_dump_bb,
rtl_delete_block, rtl_split_block, rtl_merge_blocks,
tidy_fallthru_edge, rtl_split_edge, cfg_layout_delete_block,
cfg_layout_merge_blocks, cfg_layout_split_edge): Partly moved to
cfghooks.c.
(rtl_create_basic_block): Coding style fix.
(rtl_tidy_fallthru_edge, rtl_move_block_after,
rtl_make_forwarder_block): New functions.
(update_cfg_after_block_merging): Removed.
(rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Fill in new entries.
* flow.c (verify_wide_reg, verify_local_live_at_start): Add argument
to dump_bb.
* ifcvt.c (merge_if_block, find_cond_trap, find_if_case_1,
find_if_case_2): Don't update dominators.
* timevar.def (TV_CFG_VERIFY): New.
* loop-unswitch.c (unswitch_loop): Don't call add_to_dominance_info.
* cfglayout.c (copy_bbs): Don't call add_to_dominance_info.
* cfgloopmanip.c (split_loop_bb): Don't update dominators.
(remove_bbs): Don't call remove_bbs.
(create_preheader): Use make_forwarder_block.
(mfb_keep_just, mfb_update_loops): New static functions.
From-SVN: r76851
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* alias.c, basic-block.h, c-common.c, c-common.h,
c-cppbuiltin.c, c-opts.c, c-pragma.c, c-pretty-print.c,
calls.c, cfg.c, cfgcleanup.c, cfgrtl.c, cgraph.h, collect2.c,
combine.c, cppcharset.c, cpphash.h, cppinit.c, cpplib.c,
cpplib.h, cppmacro.c, crtstuff.c, cselib.c, cselib.h,
defaults.h, df.c, dominance.c, et-forest.c, expmed.c, expr.c,
expr.h, fix-header.c, function.h, gcc.c, gcse.c, genattrtab.c,
genautomata.c, genconditions.c, genemit.c, genflags.c,
gengtype.c, gengtype.h, genopinit.c, genrecog.c, gensupport.c,
ggc-zone.c, graph.c, haifa-sched.c, input.h, integrate.c,
langhooks-def.h, langhooks.c, langhooks.h, line-map.c,
line-map.h, local-alloc.c, optabs.c, optabs.h, postreload.c,
ra.h, recog.c, reg-stack.c, regmove.c, reload.c, reorg.c,
rtl.c, sched-deps.c, sched-ebb.c, sdbout.c, system.h,
target.h, targhooks.c, toplev.h, tree-inline.c, unwind-pe.h,
unwind.h, varray.c, varray.h: Update copyright.
From-SVN: r76302
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From-SVN: r75806
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* alias.c: Fix comment typos.
* builtins.c: Likewise.
* cfg.c: Likewise.
* df.c: Likewise.
* dominance.c: Likewise.
* dwarf2out.c: Likewise.
* emit-rtl.c: Likewise.
* expr.c: Likewise.
* final.c: Likewise.
* fold-const.c: Likewise.
* gcse.c: Likewise.
* genattrtab.c: Likewise.
* genrecog.c: Likewise.
* gensupport.c: Likewise.
* ggc-zone.c: Likewise.
* integrate.c: Likewise.
* local-alloc.c: Likewise.
* loop.c: Likewise.
* recog.c: Likewise.
* regmove.c: Likewise.
* reg-stack.c: Likewise.
* reorg.c: Likewise.
* rtlanal.c: Likewise.
* rtl.h: Likewise.
* sched-ebb.c: Likewise.
* simplify-rtx.c: Likewise.
* toplev.c: Likewise.
* varasm.c: Likewise.
From-SVN: r75475
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Backport from tree-ssa (relevant changes only):
2003-12-18 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
* et-forest.h (et_forest_create, et_forest_delete,
et_forest_add_node, et_forest_add_edge, et_forest_remove_node,
et_forest_remove_edge, et_forest_parent,
et_forest_common_ancestor, et_forest_node_value,
et_forest_enumerate_sons): Declarations removed.
(struct et_node): New.
(et_new_tree, et_free_tree, et_set_father, et_split, et_nca,
et_below): Declare.
* et-forest.c (struct et_forest_occurrence, struct et_forest,
struct et_forest_node): Removed.
(et_forest_create, et_forest_delete,
et_forest_add_node, et_forest_add_edge, et_forest_remove_node,
et_forest_remove_edge, et_forest_parent,
et_forest_common_ancestor, et_forest_node_value,
et_forest_enumerate_sons, splay, remove_all_occurrences,
find_leftmost_node, find_rightmost_node, calculate_value): Removed.
(struct et_occ): New.
(et_nodes, et_occurences): New.
(set_depth, set_depth_add, set_prev, set_next, et_recomp_min,
et_check_occ_sanity, et_check_sanity, et_check_tree_sanity,
record_path_before_1, record_path_before, check_path_after_1,
check_path_after, et_splay, et_new_occ, et_new_tree,
et_free_tree, et_set_father, et_split, et_nca, et_below): New.
* basic-block.h (struct basic_block_def): New field dom.
(struct dominance_info): Type removed.
(calculate_dominance_info, free_dominance_info,
nearest_common_dominator, set_immediate_dominator,
get_immediate_dominator, dominated_by_p, get_dominated_by,
add_to_dominance_info, delete_from_dominance_info,
recount_dominator, redirect_immediate_dominators,
iterate_fix_dominators, verify_dominators): Declarations
changed.
(enum dom_state): New.
(dom_computed): New variable.
(first_dom_son, next_dom_son): Declare.
* dominance.c (struct dominance_info): Removed.
(BB_NODE, SET_BB_NODE): Removed.
(calculate_dominance_info, free_dominance_info,
nearest_common_dominator, set_immediate_dominator,
get_immediate_dominator, dominated_by_p, get_dominated_by,
add_to_dominance_info, delete_from_dominance_info,
recount_dominator, redirect_immediate_dominators,
iterate_fix_dominators, verify_dominators,
debug_dominance_info): Work over new datastructure. Access
dominance datastructures through CFG.
(assign_dfs_numbers, compute_dom_fast_query, first_dom_son,
next_dom_son): New.
* bt-load.c (dom): Variable removed.
(augment_live_range, combine_btr_defs, migrate_btr_def,
migrate_btr_defs, branch_target_load_optimize): Updated for the
new interface for dominance information.
* cfg.c {exit_entry_blocks): Update initializer.
* cfglayout.c (copy_bbs): Removed loops argument. Updated for
the new interface for dominance information.
* cfglayout.h (copy_bbs): Declaration changed.
* cfgloop.c (flow_loop_pre_header_find, flow_loops_cfg_dump,
flow_loop_scan, canonicalize_loop_headers, flow_loops_find): Updated
for the new interface for dominance information.
(flow_loop_scan): Loops argument removed.
(flow_loops_free): Don't release dominators.
* cfgloop.h (struct cfg): Dom field removed.
(flow_loop_scan, loop_split_edge_with, simple_loop_p,
just_once_each_iteration_p, split_loop_bb): Declaration changed.
* cfgloopanal.c (simple_loop_exit_p, simple_increment,
just_once_each_iteration_p, simple_loop_p): Remove loops argument.
Updated for the new interface for dominance information.
* cfgloopmanip.c (remove_bbs, find_path, create_preheader,
split_loop_bb, loopify, duplicate_loop_to_header_edge,
force_single_succ_latches, loop_split_edge_with): Ditto.
* gcse.c (dominators): Variable removed.
(free_code_hoist_mem, compute_code_hoist_data, hoist_code):
Updated for the new interface for dominance information.
* ifcvt.c (post_dominators): Variable removed.
(mark_loop_exit_edges, merge_if_block, find_if_header,
find_cond_trap, find_if_case_1, find_if_case_2, if_convert):
Updated for the new interface for dominance information.
* loop-init.c (rtl_loop_optimizer_init,
rtl_loop_optimizer_finalize): Ditto.
* loop-unroll.c (decide_peel_simple, decide_peel_once_rolling,
decide_peel_completely, decide_unroll_stupid,
decide_unroll_constant_iterations,
decide_unroll_runtime_iterations): Loops argument removed.
Updated for the new interface for dominance information.
(unroll_and_peel_loops, peel_loops_completely,
unroll_loop_runtime_iterations): Updated for the new interface for
dominance information.
* loop-unswitch.c (may_unswitch_on_p, unswitch_loops,
unswitch_single_loop, unswitch_loop): Updated for the new
interface for dominance information.
* predict.c (process_note_predictions, process_note_prediction,
estimate_probability, note_prediction_to_br_prob): Ditto.
* sched-rgn.c (find_rgns, init_regions): Ditto.
* toplev.c (rest_of_handle_branch_prob): Free the dominators.
From-SVN: r75226
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|
2003-12-11 Steven Bosscher <steven@gcc.gnu.org>
* basic-block.h (BLOCK_HEAD, BLOCK_END): Remove.
(BLOCK_HEAD_TREE, BLOCK_END_TREE): Remove.
(basic_block_def): Rename `head' to `head_' and `end' to `end_'.
(BB_HEAD, BB_END): New accessor macros for the `head_' and `end_'
fields of a basic block.
* bb-reorder.c, bt-load.c, caller-save.c, cfg.c, cfganal.c,
cfgbuild.c, cfgcleanup.c, cfglayout.c, cfgloop.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, combine.c, conflict.c, df.c, emit-rtl.c,
final.c, flow.c, function.c, gcse.c, global.c, graph.c,
haifa-sched.c, ifcvt.c, lcm.c, local-alloc.c, loop-unswitch.c,
loop.c, postreload.c, predict.c, profile.c, ra-build.c, ra-debug.c,
ra-rewrite.c, ra.c, recog.c, reg-stack.c, regclass.c, regmove.c,
regrename.c, reload1.c, resource.c, sched-ebb.c, sched-rgn.c,
sibcall.c, tracer.c, config/frv/frv.c, config/i386/i386.c,
config/ia64/ia64.c: Use the BB_HEAD and BB_END macros instead of
accessing the `head' and `end' fields of a basic block directly.
* gengtype.c: Add missing piece from earlier patch. Dunno what
I was thinking...
From-SVN: r74520
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|
From-SVN: r71485
|
|
From-SVN: r70442
|
|
* alias.c alloc-pool.c bitmap.c bitmap.h bt-load.c builtins.c
c-common.c c-decl.c c-incpath.c c-lex.c c-opts.c c-parse.in
c-pragma.c c-typeck.c calls.c cfg.c cfganal.c cfgloop.c cfgrtl.c
collect2.c combine.c conflict.c coverage.c cppexp.c cppfiles.c
cpphash.c cppinit.c cpplex.c cpplib.c cppmacro.c cppspec.c
cpptrad.c cse.c cselib.c dbxout.c defaults.h df.c dominance.c
dwarf2out.c dwarfout.c emit-rtl.c except.c expmed.c expr.c final.c
fix-header.c flow.c fold-const.c function.c gcc.c gccspec.c gcov.c
gcse.c genattr.c genattrtab.c genautomata.c genconditions.c
genemit.c genextract.c genoutput.c genrecog.c gensupport.c
ggc-page.c ggc-simple.c global.c graph.c haifa-sched.c hashtable.c
integrate.c jump.c langhooks.c lcm.c line-map.c local-alloc.c
loop.c mips-tdump.c mips-tfile.c mkdeps.c optabs.c params.c
postreload.c prefix.c print-tree.c protoize.c ra-build.c
ra-colorize.c ra-rewrite.c ra.c recog.c reg-stack.c regclass.c
regmove.c regrename.c reload.c reload1.c reorg.c resource.c
sbitmap.c sched-deps.c sched-rgn.c sched-vis.c sdbout.c
simplify-rtx.c ssa-ccp.c ssa.c stmt.c stor-layout.c timevar.c
tlink.c toplev.c tree-dump.c tree.c unroll.c unwind-dw2-fde.c
varasm.c varray.c vmsdbgout.c xcoffout.c: Remove unnecessary
casts.
From-SVN: r69587
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|
* bt-load.c: Fix comment typos.
* c-incpath.c: Likewise.
* cfg.c: Likewise.
* cfgcleanup.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* diagnostic.h: Likewise.
* dwarfout.c: Likewise.
* emit-rtl.c: Likewise.
* et-forest.c: Likewise.
* et-forest.h: Likewise.
* expr.c: Likewise.
* gcse.c: Likewise.
* genattr.c: Likewise.
* jump.c: Likewise.
* langhooks.h: Likewise.
* local-alloc.c: Likewise.
* loop-unroll.c: Likewise.
* loop-unswitch.c: Likewise.
* ra-build.c: Likewise.
* regclass.c: Likewise.
* regmove.c: Likewise.
* rtl.def: Likewise.
* rtlanal.c: Likewise.
* sched-ebb.c: Likewise.
* sched-rgn.c: Likewise.
* simplify-rtx.c: Likewise.
* ssa.c: Likewise.
* tracer.c: Likewise.
* tree.c: Likewise.
From-SVN: r68975
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|
* basic-block.h (create_basic_block, merge_blocks_nomove): Kill.
* cfgcleanup.c (merge_blocks): Rename to merge_blocks_move.
(merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps): Use merge_blocks.
(try_optimize_cfg): Use merge_blocks_move.
* cfgrtl.c (create_basic_block): Rename to rtl_create_basic_block.
(merge_blocks_nomove): Rename to rtl_merge_blocks.
(cfg_layout_create_basic_block): New.
(rtl_can_merge_blocks): New.
(cfg_layout_split_block): Do not alloc aux by hand.
* cfghooks.h (cfg_hooks): Add create_basic_block, can_merge_blocks_p,
merge_blocks.
(create_basic_block, can_merge_blocks_p, merge_blocks): New macros.
* cfglayout.c (cfg_layout_duplicate_bb): Do not allocate aux by hand.
* cfgloopmanip.c (loop_split_edge_with): Likewise.
* ifcvt.c (merge_if_block): Use merge_blocks_nomove.
* basic-block.h (basic_block_def): Add field 'rbi'.
* bb-reorder.c (find_traces, rotate_loop, mark_bb_visited,
find_traces_1_round, copy_bb, connect_traces): Update use of rbi.
* cfg.c (entry_exit_blocks): Add new field.
* cfglayout.c: Include alloc-pool.h;
(cfg_layout_pool): New.
(record_effective_endpoints, fixup_reorder_chain,
fixup_fallthru_exit_predecessor, cfg_layout_duplicate_bb): Update use
of rbi.
(cfg_layout_initialize_rbi): New function.
(cfg_layout_initialize): Use it.
(cfg_layout_finalize): Clear rbi fields.
* cfglayout.h (RBI): Kill.
(cfg_layout_initialize_rbi): Declare.
* cfgloopmanip.c (copy_bbs): Use rbi.
(record_exit_edges): Likewise.
(duplicate_loop_to_header_edge): Likewise.
* cfgrtl.c (cfg_layout_create_basic_block): Use
cfg_layout_initialize_rbi.
(cfg_layout_split_block): Use rbi.
(cfg_layout_delete_block): Likewise.
* loop-init.c (loop_optimizer_finalize): Likewise.
* loop-unswitch.c (unswitch_loop): Likewise.
* tracer.c (seen, tail_duplicate, layout_superblocks): Likewise.
* cfgrtl.c: Update comments.
(try_redirect_by_replacing_jump): New argument.
(redirect_branch_edge): Break out from ...
(rtl_redirect_edge_and_branch): ... this one.
(update_cfg_after_block_merging): Break out from ...
(rtl_merge_blocks): ... this one.
(cfg_layout_split_edge): New.
(cfg_layout_merge_blocks): New.
(cfg_layout_can_merge_blocks_p): New.
(cfg_layout_redirect_edge_and_branch): Reorganize.
(cfg_layout_rtl_cfg_hooks): Fill in.
(cfg_layout_delete_block): Kill barriers.
* cfganal.c (can_fallthru): Deal with exit blocks
* cfglayout.c (cfg_layout_function_header): New function
(record_effective_endpoints): Record function header.
(fixup_reorder_chain): Fixup dead jumptables; place header
* basic-block.h (CLEANUP_CFGLAYOUT): New flag.
* bb-reorder.c (cfg_layout_initialize): Update call.
* cfgcleanup.c (try_optimize_cfg): Supress optimizations of fallthru
edges in cfglayout mode.
* cfglayout.c (cleanup_unconditional_jumps): Kill.
(cfg_layout_initialize): Kill agrument loops; use cfgcleanup.
* cfglayout.h (cfg_layout_initialize): Update prototype.
* cfgloop.h (CP_INSIDE_CFGLAYOUT): Kill.
* cfgloopmanip.c (loop_split_edge_with): Use split_edge.
* flow.c (propagate_block): Do not crash when basic block ends
by first insn in the chain.
* loop-init.c (loop_optimizer_init): First enter cfglayout mode; later
do loop discovery.
* tracer.c (tracer): Update call of cfg_layout_initialize.
From-SVN: r68899
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|
* caller-save.c: Convert to ISO C90.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgbuild.c: Likewise.
* cfgcleanup.c: Likewise.
* cfghooks.c: Likewise.
* cfglayout.c: Likewise.
* cfglayout.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmainip.c: Likewise.
* cfgrtl.c: Likewise.
From-SVN: r68331
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|
* i386.md (subsi_3_zext, sse2_nandv2di3): Fix predicates.
* i386.c (k8_avoid_jump_misspredicts): Fix debug output.
* cfg.c (verify_flow_info): Move IL independent checks from cfgrtl here.
(dump_bb): New based on old dump_bb in cfgrtl.c
(debug_bb, debug_bb_n): Move the functions from cfgrtl.c here.
* cfghooks.h (cfgh_verify_flow_info): Return status.
* cfglayout.c (cfg_layout_finalize): Verify CFG correctness.
* cfgrtl.c (debug_bb, debug_bb_n): Move to cfg.c
(dump_bb): Remove generic parts.
(rtl_verify_flow_info_1): Break out from rtl_verify_flow_info.
(rtl_verify_flow_info): Only check things dependeing on linearized RTL.
* i386-cmov1.c: Fix regular expression.
* i386-cvt-1.c: Likewise.
* i386-local.c: Likewise.
* i386-local2.c: Likewise.
* i386-mul.c: Likewise.
* i386-ssetype-1.c: Likewise.
* i386-ssetype-3.c: Likewise.
* i386-ssetype-5.c: Likewise.
From-SVN: r67630
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|
* basic-block.h (EDGE_SIBCALL): New.
(EDGE_ALL_FLAGS): Update.
* cfg.c (dump_edge_info): Add sibcall name.
* cfgbuild.c (make_edges): Use EDGE_SIBCALL.
* cfgrtl.c (purge_dead_edges): Handle sibcalls.
From-SVN: r67602
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|
* function.c (FLOOR_ROUND, CEIL_ROUND): Fix.
* i386.md (gen_pro_epilogue_adjust_stack): Deal with gigantic stack frames.
(pro_epilogue_adjust_stack_rex64_2): New pattern
* cfghooks.h, cfghooks.c: New files.
* Makefile.in (BASIC_BLOCK_H): Depends on cfghooks.h.
(OBJS): Add cfghooks.o.
(cfghooks.o): New rule.
* basic-block.h (split_edge): Rename to rtl_split_edge.
(verify_flow_info): Rename to rtl_verify_flow_info.
(cfghooks.h): Included here.
* cfgrtl.c (split_edge): Renamed rtl_split_edge.
(verify_flow_info): Renamed rtl_verify_flow_info.
* toplev.c (rest_of_compilation): Call rtl_register_cfg_hooks.
* basic-block.h (split_block, split_edge, flow_delete_block,
redirect_edge_and_branch, redirect_edge_and_branch_force): Delete.
(flow_delete_block_noexpunge): Return void.
* cfg.c (verify_flow_info): New function.
* cfgcleanup.c (try_simplify_condjump, outgoing_edges_match,
try_crossjump_to_edge, try_optimize_cfg, delete_unreachable_blocks):
Use delete_block.
* cfglayout.c (function_footer): Rename to...
(cfg_layout_function_footer): ... this variable
(unlink_insn_chain): Make global.
(fixup_reorder_chain, record_effective_endpoints): Update.
(cleanup_unconditional_jumps): Use delete_block.
(cfg_layout_redirect_edge, cfg_layout_split_block): Move to cfgrtl.c
(cfg_layout_duplicate_bb): Use redirect_edge_and_branch_force.
(cfg_layout_initialize, cfg_layout_finalize): Update hooks.
* cfglayout.h (cfg_layout_redirect_edge, cfg_layout_split_block): Delete.
(cfg_layout_function_footer): Declare.
* cfgloopmanip (split_loop_bb): Do not update RBI.
(remove_bbs): Use delete_block.
(loop_reidrect_edge, loop_delete_branch_edge): Use
redirect_edge_and_branch.
(create_preheader): Use split_block and redirect_edge_and_branch_force.
(split_edge_with): Likewise.
* cfgrtl.c: Include cfglayout.h
(split_edge): Rename to ...
(rtl_split_edge) ... this one; make local.
(redirect_edge_and_branch): Rename to ...
(rtl_redirect_edge_and_branch) ... this one; make local.
(redirect_edge_and_branch_force): Rename to ...
(rtl_redirect_edge_and_branch_force) ... this one; make local.
(cfg_layout_delete_block, cfg_layout_delete_edge_and_branch_force): New.
(cfg_layout_redirect_edge_and_branch, cfg_layout_split_block): Move here from
cfglayout.c; update to directly call RTL counterparts.
(rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): New functions.
* ifcvt.c (find_cond_trap): Use delete_block.
(find_if_case_1): Use delete_block.
(find_if_case_2): Use delete_block.
* rtl.h (unlink_insn_chain): Declare.
* toplev.c (rtl_reigster_cfg_hooks): New.
From-SVN: r67535
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|
* cfg.c (unchecked_make_edge): New.
(cached_make_edge): Use it.
* basic-block.h (unchecked_make_edge): Declare.
* cfglayout.c (cfg_layout_duplicate_bb): Use it.
From-SVN: r64077
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|
* basic-block.h (EDGE_IRREDUCIBLE_LOOP, EDGE_ALL_FLAGS): New.
* cfg.c (dump_edge_info): Add EDGE_IRREDUCIBLE_LOOP flag dump.
* cfgloop.c (flow_loop_free): Made global.
(establish_preds): New static function.
(flow_loop_tree_node_add): Handle subloops of added loop correctly.
(get_loop_exit_edges): New.
(verify_loop_structure): Verify EDGE_IRREDUCIBLE_LOOP flags.
* cfgloop.h (flow_loop_free, get_loop_exit_edges, unloop): Declare.
* cfgloopanal.c (mark_irreducible_loops): Mark edges in irreducible
loops.
* cfgloopmanip.c (loop_delete_branch_edge): Allow to test for
removability of an edge.
(fix_irreducible_loops): New static function.
(find_path, remove_path): Add ability to remove enclosing loops.
(unloop): New.
(copy_bbs, duplicate_loop_to_header_edge): Use EDGE_IRREDUCIBLE_LOOP
flags.
* cfgrtl.c (verify_flow_info): Handle EDGE_IRREDUCIBLE_LOOP flag.
* loop-unroll.c (peel_loops_completely): Do not duplicate loop if
not neccessary.
(decide_peel_completely, peel_loops_completely): Allow complete peeling
of non-duplicable once rolling loops.
* loop-unswitch.c (unswitch_loop): Update EDGE_IRREDUCIBLE_LOOP flags.
From-SVN: r63864
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|
2003-02-07 Daniel Berlin <dberlin@dberlin.org>
* cfg.c (dump_flow_info): Add back accidently deleted line.
From-SVN: r62542
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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
|
|
2003-01-07 Daniel Berlin <dberlin@dberlin.org>
* cfg.c: Include alloc-pool.h
(edge_pool): New pool.
(bb_pool): New pool.
(first_deleted_edge): Remove.
(first_deleted_block): Remove.
(init_flow): Alloc/free the pools.
(free_edge): Use pools.
(alloc_block): Ditto.
(expunge_block): Ditto.
(cached_make_edge): Ditto.
* Makefile.in (cfg.o): Add alloc-pool.h dependency.
2003-01-07 Daniel Berlin <dberlin@dberlin.org>
* et-forest.c: Include alloc-pool.h.
(struct et_forest): Add node_pool and occur_pool.
(et_forest_create): Create the new pools.
(et_forest_delete): Delete them.
(et_forest_add_node): Allocate and free using pools.
(et_forest_add_edge): Ditto.
(et_forest_remove_node): Ditto.
(et_forest_remove_edge): Ditto.
* Makefile.in (et-forest.o): Add alloc-pool.h dependency.
From-SVN: r61001
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|
From-SVN: r60174
|
|
* c-decl.c: Fix a comment typo.
* cfg.c: Likewise.
* cfgcleanup.c: Likewise.
* cfglayout.c: Likewise.
* cfgrtl.c: Likewise.
* c-typeck.c: Likewise.
* dominance.c: Likewise.
* dwarf2asm.c: Likewise.
* dwarfout.c: Likewise.
* expmed.c: Likewise.
* expr.c: Likewise.
* final.c: Likewise.
* flow.c: Likewise.
* function.c: Likewise.
* gcc.c: Likewise.
* genautomata.c: Likewise.
* integrate.c: Likewise.
* loop.c: Likewise.
* loop.h: Likewise.
* output.h: Likewise.
* profile.c: Likewise.
* ra.h: Likewise.
* reload1.c: Likewise.
* reload.c: Likewise.
* sched-rgn.c: Likewise.
* stmt.c: Likewise.
* tree.h: Likewise.
* vmsdbgout.c: Likewise.
From-SVN: r60085
|
|
register number plus 1.
* cfg.c (dump_flow_info): Use max_reg_num () to determine the largest
pseudo register number plus 1.
From-SVN: r59669
|
|
* cfg.c (redirect_edge_succ_nodup): Avoid overflows due to roundoff
errors.
From-SVN: r56184
|
|
* 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
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|
From-SVN: r53961
|
|
* 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
|
|
From-SVN: r53901
|
|
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
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predicates.
* cfg.c (dump_flow_info): Print results of
maybe_hot/probably_never_executed predicates.
* toplev.c (open_dump_file): Print function frequency.
From-SVN: r53796
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* cfgbuild.c: Fix formatting.
* cfg.c: Likewise.
* cfgcleanup.c: Likewise.
* cfglayout.c: Likewise.
* cfgloop.c: Likewise.
* cfgrtl.c: Likewise.
From-SVN: r53717
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* basic_block.h (struct basic_block_def): Added prev_bb and next_bb
fields.
(FOR_BB_BETWEEN, FOR_ALL_BB, FOR_ALL_BB_REVERSE): New macros for
traversing basic block chain.
(create_basic_block_structure, create_basic_block): Declaration changed.
(link_block, unlink_block): Declare.
* cfg.c (entry_exit_blocks): Initialize new fields.
(link_block, unlink_block): New.
(expunge_block_nocompact): Unlink basic block.
(dump_flow_info): Print prev_bb/next_bb fields.
* cfgbuild.c (find_basic_blocks_1, find_basic_blocks): Modified.
* cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Modified.
* cfglayout.c (fixup_reorder_chain, cfg_layout_duplicate_bb): Modified.
* cfgrtl.c (create_basic_block_structure, create_basic_block,
split_block, force_nonfallthru_and_redirect, split_edge): Modified.
(verify_flow_info): Check that list agrees with numbering.
From-SVN: r53642
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From-SVN: r53537
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From-SVN: r53522
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* i386.md (testsi to testqi spliters): New.
2002-01-14 Josef Zlomek <zlomek@matfyz.cz>
cfg.c (dump_edge_info): added dumping of EDGE_CAN_FALLTHRU.
Wed Jan 9 2002 Josef Zlomek <zlomj9am@artax.karlin.mff.cuni.cz>
* basic-block.h: New flag EDGE_CAN_FALLTHRU
* cfganal.c (set_edge_can_fallthru_flag): New function; marks the edges
that can be made fallthru.
Mon Nov 12 16:25:53 CET 2001 Jan Hubicka <jh@suse.cz>
* cfglayout.c (cleanup_unconditional_jumps): New static function.
(cfg_layout_initialize): Use it.
Co-Authored-By: Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz>
From-SVN: r53383
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* basic-block.h (flow_delete_block_noexpunge): Declare.
(expunge_block_nocompact): Declare.
* cfg.c (expunge_block_nocompact): Split out from ...
(expunge_block): ... here.
* cfgrtl.c (can_delete_label_p): Don't use exception_handler_labels.
(flow_delete_block_noexpunge): Split out from ...
(flow_delete_block): ... here.
* cfgcleanup.c (delete_unreachable_blocks): Compact while
removing dead blocks.
* except.c (exception_handler_labels): Remove.
(exception_handler_label_map): New.
(struct eh_region): Add aka member.
(mark_ehl_map_entry, mark_ehl_map, free_region): New.
(ehl_hash, ehl_eq, ehl_free, add_ehl_entry): New.
(for_each_eh_label, for_each_eh_label_1): New.
(init_eh): Register exception_handler_label_map.
(free_eh_status): Use free_region.
(find_exception_handler_labels): Use the map, not the list.
(remove_exception_handler_label): Likewise.
(maybe_remove_eh_handler): Likewise.
(remove_eh_handler): Use the region aka bitmap.
* except.h (exception_handler_labels): Remove.
(for_each_eh_label): Declare.
* jump.c (rebuild_jump_labels): Don't check exception_handler_labels.
* loop.c (invalidate_loops_containing_label): New.
(find_and_verify_loops): Use it. Use for_each_eh_label.
* sched-rgn.c (is_cfg_nonregular): Use
current_function_has_exception_handlers.
From-SVN: r52100
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From-SVN: r51589
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From-SVN: r50568
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* cfg.c (dump_flow_info): Warn about profile mismatches.
* cfgrtl.c (verify_flow_info): Few aditional sanity checks.
(purge_dead_edges): Remove REG_BR_PROB notes on simplejumps.
From-SVN: r50320
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* basic-block.h (BB_REACHABLE): Renumber.
(BB_DIRTY, BB_NEW): New flags.
(clear_bb_flags): Declare.
(update_life_info_in_dirty_blocks): Declare.
* cfg.c (clear_bb_flags): New function.
* cfgrtl.c (create_basic_block_structure): Set flags to BB_NEW.
* emit-rtl.c (add_insn_after, add_insn_before, remove_insn,
reorder_insns, emit_insn_after): Mark block as dirty.
* flow.c (update_life_info): Fix clearing of PROP_LOG_LINKS.
(update_life_info_in_dirty_blocks): New function.
* recog.c (apply_change_group): Dirtify block.
* cse.c (cse_insn): Reorder emitting of jump insn to keep
cfg consistent.
* gcse.c (delete_null_pointer_checks): Likewise.
* toplev.c (dump_file_index): Move cse2 after bp,
add DFI_null
(dump_file_info): Similary.
(rest_of_compilation): Avoid most of CFG rebuilds;
do first if converision after null pointer checks, do cse2
after branch prediction; avoid full liveness rebuild after
initializing subregs.
* invoke.texi (-d options): Document -du, renumber.
* cfgcleanup.c (bb_flags): Remove BB_UPDATE_LIFE.
(notice_new_block): Do not set BB_UPDATE_LIFE.
(try_forward_edges, merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps, merge_blocks,
try_crossjump_to_edge): Likewise.
(try_optimize_cfg): Likewise; use update_life_info_in_dirty_blocks.
* cfgrtl.c (merge_blocks_nomove): Copy b's flags to a.
* ifcvt.c (SET_UPDATE_LIFE, UPDATE_LIFE): Kill.
(merge_of_block): Do not use life_data_ok.
(find_if_case_1): Do not use SET_UPDATE_LIFE.
(if_convert): Use BB_DIRTY mechanizm to update life.
* lcm.c (optimize_mode_switching): Update
update_life_info_in_dirty_blocks
From-SVN: r50127
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From-SVN: r48270
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From-SVN: r47243
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