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apply_opt_in_copies, at loop-unroll.c:2122)
PR rtl-optimization/24497
* loop-unroll.c (apply_opt_in_copies): Do not verify equality of
the copied insn.
From-SVN: r107171
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-fvariable-expansion-in-unroller)
PR target/23376
* loop-unroll.c (analyze_insn_to_expand_var): Make sure that
force_operand will work later on using have_insn_for.
From-SVN: r103181
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* cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
* cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
profile updating for complette unrolling.
* loop-unroll.c (peel_loop_completely): Use it.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
(tree_unroll_loops_completely): Disable code growing unrolling of cold
loops.
* update-conroll.c: New testcase.
* update-conroll-2.c: New testcase.
From-SVN: r102687
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From-SVN: r101317
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* cfgloop.h (DLTHE_RECORD_COPY_NUMBER): New flag.
* cfgloopmanip.c (duplicate_loop_to_header_edge): Set aux flags only
when asked for.
* loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
Update call of duplicate_loop_to_header_edge.
(apply_opt_in_copies): Clear out aux pointers.
From-SVN: r101193
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* Makefile.in (cfg.o): Add new dependencies.
* basic-block.h (reorder_block_def): Kill
original/copy/duplicated/copy_number fields.
(BB_DUPLICATED): New flag.
(initialize_original_copy_tables, free_original_copy_tables,
set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New.
* cfg.c: Include hashtab.h and alloc-pool.h
(bb_original, bb_copy, original_copy_bb_pool): New static vars.
(htab_bb_copy_original_entry): New struct.
(bb_copy_original_hash, bb_copy_original_eq): New static functions.
(initialize_original_copy_tables, free_original_copy_tables,
set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New
global functions.
* cfghooks.c (duplicate_block): Update original/copy handling.
* cfglayout.c (fixup_reorder_chain): Likewise.
(cfg_layout_initialize): Initialize orignal_copy tables.
(cfg_layout_finalize): FInalize original_copy tables.
(can_copy_bbs_p): Use BB_DUPLICATED flag.
(copy_bbs): Likewise.
* cfgloopmanip.c (update-single_exits_after_duplication): Likewise.
(duplicate_loop_to_header_edge): Likewise; update handling of
copy_number.
(loop_version): Likewise.
* dominance.c (get_dominated_by_region): Use BB_DUPLICATED_FLAG.
* except.c (expand_resx_expr): Check that reg->resume is not set.
* loop-unroll.c (unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, apply_opt_in_copies): Update
copy/original handling.
* loop-unwitch.c (unswitch_loop): Likewise.
* tree-cfg.c (create_bb): Do not initialize RBI.
(disband_implicit_edges): Do not kill RBI.
(add_phi_args_after_copy_bb): Use new original/copy mapping.
(add_phi_args_after_copy): Use BB_DUPLICATED flag.
(tree_duplicate_sese_region): Update original/copy handling.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
* tree-ssa-loop-manip.c (copy_phi_node_args): Likewise.
* tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Likewise.
From-SVN: r101000
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multiple targets with same code)
PR rtl-optimization/21254
* loop-iv.c (iv_number_of_iterations): Simplify infiniteness
assumptions for loops that otherwise do not roll.
(find_simple_exit): Prefer # of iterations that is guaranteed
not to be infinite.
* loop-unroll.c (decide_peel_once_rolling,
decide_peel_completely): Check whether the loop is infinite.
From-SVN: r99332
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* loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
get_expansion, expand_var_during_unrolling,
insert_var_expansion_initialization,
combine_var_copies_in_loop_exit, release_var_copies): Use VEC
instead of VARRAY.
From-SVN: r99211
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* alias.c (true_dependence): Remove 'abort' from comments. Use
gcc_assert and gcc_unreachable as appropriate.
(canon_true_dependence): Likewise.
* bb-reorder.c (connect_traces): Likewise.
* c-common.c (c_add_case_label): Likewise.
* c-decl.c (finish_function): Likewise.
* caller-save.c (insert_restore, insert_save): Likewise.
* cfg.c (update_bb_profile_for_threading): Likewise.
* cfganal.c (flow_active_insn_p): Likewise.
* cfgexpand.c (add_reg_br_prob_note): Likewise.
* cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
cfg_layout_merge_blocks): Likewise.
* ifcvt.c (cond_exec_process_insns, merge_if_block,
find_if_block): Likewise.
* integrate.c (allocate_initial_values): Likewise.
* jump.c (reverse_condition, reverse_condition_maybe_unordered,
swap_condition, unsigned_condition, signed_condition,
mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
reg_or_subregno): Likewise.
* lambda-code.c (lambda_compute_auxillary_space,
lambda_transform_legal_p): Likewise.
* lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
* langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
lhd_incomplete_type_error, lhd_expand_expr,
lhd_types_compatible_p, lhd_tree_size): Likewise.
* lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
* local-alloc.c (update_equiv_regs): Likewise.
* loop-unroll.c (peel_loop_completely
unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
peel_loop_simple, unroll_loop_stupid,
analyze_iv_to_split_insn): Likewise.
* loop.c (gen_prefetch, find_and_verify_loops,
basic_induction_var): Likewise.
* modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
* value-prof.c (tree_find_values_to_profile): Likewise.
* varasm.c (named_section, default_assemble_integer,
decode_addr_const): Likewise.
From-SVN: r98508
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* cfglayout.c (copy_bbs): Rename n_edges to num_edges.
* cfgloop.c (get_loop_exit_edges): Likewise.
* cfgloopmanip.c (fix_irreducible_loops): Likewise.
(unloop): Likewise.
* loop-unroll.c (analyze_insns_in_loop): Likewise.
* tree-cfg.c (dump_cfg_status): Likewise.
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r97903
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* local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
(block_alloc, find_free_reg): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
get_iv_value, canon_condition, eliminate_implied_condition,
eliminate_implied_condition, simplify_using_initial_values,
shorten_into_mode, canonicalize_iv_subregs,
iv_number_of_iterations): Likewise.
* loop-unroll.c (expand_var_during_unrolling): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
record_giv, final_giv_value, general_induction_var,
simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
loop_giv_dump): Likewise.
From-SVN: r97394
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* basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
single_pred_edge, single_succ, single_pred): New inline functions.
* bb-reorder.c (rotate_loop, find_traces_1_round,
add_labels_and_missing_jumps, fix_up_fall_thru_edges,
duplicate_computed_gotos): Use the single_succ/pred functions.
* cfganal.c (forwarder_block_p): Ditto.
* cfgbuild.c (compute_outgoing_frequencies): Ditto.
* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
merge_seq_blocks): Ditto.
* cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
* cfglayout.c (fixup_reorder_chain): Ditto.
* cfgloop.c (mark_single_exit_loops, update_latch_info,
canonicalize_loop_headers, verify_loop_structure): Ditto.
* cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
mfb_update_loops, create_preheader, force_single_succ_latches,
create_loop_notes): Ditto.
* cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
commit_one_edge_insertion, purge_dead_edges,
cfg_layout_can_merge_blocks_p): Ditto.
* except.c (sjlj_emit_function_enter): Ditto.
* flow.c (init_propagate_block_info): Ditto.
* function.c (thread_prologue_and_epilogue_insns): Ditto.
* gcse.c (find_implicit_sets, bypass_conditional_jumps,
insert_insn_end_bb): Ditto.
* ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
find_if_case_2): Ditto.
* lambda-code.c (perfect_nestify): Ditto.
* lcm.c (optimize_mode_switching): Ditto.
* loop-doloop.c (doloop_modify): Ditto.
* loop-init.c (loop_optimizer_init): Ditto.
* loop-iv.c (simplify_using_initial_values): Ditto.
* loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
* loop-unswitch.c (unswitch_loop): Ditto.
* modulo-sched.c (generate_prolog_epilog): Ditto.
* predict.c (combine_predictions_for_insn, estimate_probability,
tree_estimate_probability, last_basic_block_p,
estimate_bb_frequencies): Ditto.
* profile.c (branch_prob): Ditto.
* regrename.c (copyprop_hardreg_forward): Ditto.
* sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
* tracer.c (layout_superblocks): Ditto.
* tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
cfg_remove_useless_stmts_bb, cleanup_control_flow,
cleanup_control_expr_graph, disband_implicit_edges,
tree_find_edge_insert_loc, bsi_commit_edge_inserts,
tree_verify_flow_info, tree_make_forwarder_block,
tree_forwarder_block_p, remove_forwarder_block,
remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
* tree-if-conv.c (tree_if_conversion): Ditto.
* tree-mudflap.c (mf_build_check_statement_for): Ditto.
* tree-ssa-dce.c (remove_dead_stmt): Ditto.
* tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
copy_loop_headers): Ditto.
* tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
* tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
* tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
* tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
* tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
* tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
* tree-ssa-threadupdate.c (redirect_edges): Ditto.
* tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
* tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
* tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
slpeel_add_loop_guard): Ditto.
From-SVN: r96292
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From-SVN: r96168
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* cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
config/m68k/m68k.c, config/mips/mips.h,
config/rs6000/rs6000-protos.h, doc/contrib.texi,
doc/include/gcc-common.texi: Update copyright.
From-SVN: r95781
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* cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
flow_loop_pre_header_scan, flow_loop_pre_header_find,
flow_loop_scan): Removed.
(flow_loop_dump): Do not dump removed fields.
(flow_loop_free): Do not free removed fields.
(flow_loops_find): Flags argument removed. Do not call flow_loop_scan.
(loop_exit_edge_p): New function.
* cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
num_pre_header_edges, entry_edges, num_entries, exit_edges,
num_exits, exits_doms.
(LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
LOOP_EDGES, LOOP_ALL): Removed.
(flow_loop_scan): Declaration removed.
(loop_exit_edge_p, mark_loop_exit_edges): Declare.
* cfgloopmanip.c (create_loop_notes): Do not pass flags to
flow_loops_find.
* ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
(if_convert): Call flow_loops_find and flow_loops_free
when calling mark_loop_exit_edges.
* cfgloopanal.c (mark_loop_exit_edges): Moved from
ifcvt.c. Removed the flow_loops_find, flow_loops_free and
free_dominance_info calls.
* loop-init.c (flow_loops_find): Ditto.
* passes.c (rest_of_handle_branch_prob): Ditto.
* lambda-code.c (perfect_nestify): Do not call flow_loops_find.
* loop-unroll.c (analyze_insns_in_loop): Do not use
EDGE_LOOP_EXIT.
* predict.c (predict_loops): Do not call flow_loop_scan.
Use get_loop_exit_edges.
(tree_estimate_probability): Do not pass flags to flow_loops_find.
* tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
Do not use EDGE_LOOP_EXIT.
(tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
to bb_with_exit_edge_p.
(if_convertible_loop_p): Do not call flow_loop_scan. Use
loop->single_exit. Do not use EDGE_LOOP_EXIT. Pass loop
to bb_with_exit_edge_p.
(combine_blocks): Pass loop to bb_with_exit_edge_p. Do not use
EDGE_LOOP_EXIT.
* tree-loop-linear.c (linear_transform_loops): Do not call
flow_loop_scan. Use loop->single_exit.
* tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
(vect_analyze_loop_form): Do not call flow_loop_scan.
* tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
loop->single_exit.
(vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
loop->single_exit.
* tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
slpeel_tree_duplicate_loop_to_edge_cfg,
slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
Use loop_preheader_edge and loop->single_exit. Do not call
flow_loop_scan.
From-SVN: r95738
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* bitmap.h (struct bitmap_obstack): New obstack type.
(struct bitmap_head_def): Replace using_obstack with obstack
pointer.
(bitmap_default_obstack): New.
(bitmap_initialize): Make inline, does not do allocation.
(bitmap_release_memory): Remove.
(bitmap_obstack_initialize, bitmap_obstack_release): Declare.
(bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
bitmap_obstack_free, bitmap_malloc_free): Declare.
(BITMAP_OBSTACK_ALLOC, BITMAP_GGC_ALLOC, BITMAP_XMALLOC): Adjust.
(BITMAP_FREE): Replace with ...
(BITMAP_OBSTACK_FREE): ... this.
(BITMAP_XFREE): Adjust.
(BITMAP_INIT_ONCE): Remove.
* bitmap.c (bitmap_obstack, bitmap_obstack_init, bitmap_free: Remove.
(bitmap_default_obstack): New.
(bitmap_elem_to_freelist): Adjust.
(bitmap_element_allocate): Adjust. Break initialization into ...
(bitmap_obstack_initialize): ... here.
(bitmap_release_memory): Replace with ...
(bitmap_obstack_release): ... this.
(bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
bitmap_obstack_free, bitmap_malloc_free): New.
(bitmap_ior_and_compl, bitmap_ior_and_compl_into): Use
bitmap_initialize.
(bitmap_initialize): Move to bitmap.h.
* gengtype.c (open_base_files): Add obstack.h to ifiles.
* Makefile.in (BASIC_BLOCK_H, REGS_H): Add obstack.h.
* basic-block.h (INIT_REG_SET): Allocate from reg_obstack.
(INITIALIZE_REG_SET): Remove.
(FREE_REG_SET): Use BITMAP_OBSTACK_FREE.
(INIT_ONCE_REG_SET, MAX_REGNO_REG_SET): Remove.
(flow_obstack): Do not declare.
(reg_obstack): Declare.
* regs.h: Include obstack.h.
* tree-optimize.c (tree_rest_of_compilation): Initialize and
release bitmap obstack here.
* bb-reorder.c: #include regs, not basic-block.
(fix_crossing_conditional_branches): Allocate regsets from
reg_obstack.
* bt-load.c: Do not inlude bitmap.h, sbitmap.h, basic-block.h or
obstack.h.
* caller-save.c: Include regs.h earlier.
* cfg.c: Do not include basic-block.h or obstack.h.
(reg_obstack): Define.
* cfganal.c: Include obstack.h
* cfgcleanyp.c: Do not include basic-block.h. Include regs.h
earlier.
* cfglayout.c: Do not include obstack.h.
(flow_obstack): Remove declaration.
(cfg_layout_duplicate_bb): Use reg_obstack.
* cfgloop.c, cfgloopanal.c, cfgloopmanip.c: Include obstack.h.
* cfgrtl.c (rtl_split_block): Use reg_obstack.
(force_nonfallthru_and_redirect, rtl_split_edge): Likewise.
(safe_insert_insn_on_edge): Use OBSTACK_ALLOC_REG_SET, adjust.
(cfg_layout_split_edge): Use reg_obstack.
* cse.c: Include regs.h earlier.
* ddg.c: Do not include basic-block.h.
* dominance.c: Inlude obstack.h.
* flow.c (update_life_info): Use OBSTACK_ALLOC_REG_SET, adjust.
(calculate_global_regs_live): Likewise.
(allocate_bb_life_data): Use reg_obstack.
(init_propagate_block_info): Use OBSTACK_ALLOC_REGSET.
* global.c: Do not include basic-block.h.
(build_insn_chain): Use OBSTACK_ALLOC_REG_SET, adjust.
* graph.c: Include obstack.h.
* haifa-sched.c: Do not include basic-block.h.
* ifcvt.c: Use OBSTACK_ALLOC_REG_SET, adjust.
* local-alloc.c: Do not include basic-block.h.
* loop-init.c, loop-invariant.c: Include obstack.h.
* loop-iv.c: Likewise.
(simplify_using_initial_values): Use OBSTACK_ALLOC_REG_SET,
adjust.
* loop-unroll.c, loop-unswitch.c: Inlude obstack.h.
* modulo-sched.c: Do not include basic-block.h.
* passes.c (rest_of_handle_final): Do not call
regset_release_memory.
* ra-debug.c: Include regs.h earlier. Do not include
basic-block.h.
* recog.c (peephole2_optimize): Use OBSTACK_ALLOC_REG_SET, adjust.
* regclass.c (init_reg_sets): Do not call INIT_ONCE_REG_SET.
(allocate_reg_info): Do not call MAX_REGNO_REG_SET.
(regset_release_memory): Remove.
* resource.c: Do not include basic-block.h.
* rtlanal.c: Do not include basic-block.h.
* sbitmap.c: Include obstack.h.
* sched-deps.c: Do not include basic-block.h.
(reg_pending_sets_head, reg_pending_clobbers_head,
reg_pending_uses_head): Remove.
(init_deps_global): Use OBSTACK_ALLOC_REG_SET.
* sched-ebb.c: Do not include basic-block.h.
* sched-rgn.c: Likewise.
* tree-if-conv.c (get_loop_body_in_if_conv_order): Use
BITMAP_XFREE.
* tree-outof-ssa.c (perform_edge_inserts): Use BITMAP_XFREE.
* tree-sra.c (decide_instantiations): Adjust bitmap
initialization.
* tree-ssa-dce.c: Include obstack.h.
* tree-ssa-pre.c (grand_bitmap_obstack): Make a bitmap_obstack.
(value_insert_into_set_bitmap): Remove useless bitmap_clear.
(bitmap_set_new): Likewise.
(init_pre): Initialize bitmap obstack.
(fini_pre): Release bitmap obstack.
* tree-ssanames.c (ssa_names_to_rewrite): Make static.
(marked_for_rewrite_p): ssa_names_to_rewrite is never NULL.
(mark_for_rewrite, unmark_for_rewrite): Likewise.
(marked_ssa_names): Likewise.
(init_ssanames): Use BITMAP_XMALLOC.
(fini_ssanames): Use BITMAP_XFREE.
* web.c: Include obstack.h
From-SVN: r91009
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* alias.c, basic-block.h, cgraphunit.c, combine.c, domwalk.h,
final.c, gengtype.c, genpreds.c, ggc-page.c, insn-notes.def,
lambda-code.c, loop-unroll.c, modulo-sched.c, pointer-set.c,
pretty-print.c, ra-colorize.c, sbitmap.c, tree-complex.c,
tree-data-ref.c, tree-dfa.c, tree-inline.c, tree-into-ssa.c,
tree-scalar-evolution.c, tree-ssa-dom.c,
tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-threadupdate.c,
tree-vectorizer.c, vec.h: Fix comment formatting.
From-SVN: r89453
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From-SVN: r89209
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2004-10-18 Revital Eres <eres@il.ibm.com>
* Makefile.in (loop-unroll.o): Add VARRAY_H dependency.
* loop-unroll.c: Include varray.h.
(struct var_to_expand, struct opt_info): Rename split_ivs_info to
opt_info and expand it to support variable expansion.
(analyze_insns_in_loop): Rename analyze_ivs_to_split and
expand it to support variable expansion.
(pt_info_start_duplication): Rename si_info_start_duplication.
(apply_opt_in_copies): Rename split_ivs_in_copies and add support
to the variable expansion optimization.
(free_opt_info): Rename free_si_info.
(analyze_insn_to_expand_var, referenced_in_one_insn_in_loop_p,
expand_var_during_unrolling, insert_var_expansion_initialization,
combine_var_copies_in_loop_exit, release_var_copies,
get_expansion): New functions.
(peel_loop_completely, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, peel_loop_simple,
unroll_loop_stupid): Change uses of struct si_info
to struct opt_info
and add uses of fvariable-expansion-in-unroller flag.
* params.def: Add parameter to restrict the number of expansions.
* params.h: (MAX_VARIABLE_EXPANSIONS): New define to restrict
the number of expansions.
* common.opt: (fvariable-expansion-in-unroller): New flag.
* doc/invoke.texi: (fvariable-expansion-in-unroller): Document.
From-SVN: r89197
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2004-09-24 Ben Elliston <bje@au.ibm.com>
Steven Bosscher <stevenb@suse.de>
Andrew Pinski <pinskia@physics.uc.edu>
Merge from edge-vector-branch:
* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
(struct edge_def): Remove pred_next, succ_next members.
(struct basic_block_def): Remove pred, succ members. Add preds
and succs members of type VEC(edge).
(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
(BRANCH_EDGE): Likewise.
(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
(EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
(edge_iterator): New.
(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
(FOR_EACH_EDGE): New.
* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
where applicable.
(rotate_loop): Likewise.
(find_traces_1_route): Likewise.
(bb_to_key): Likewise.
(connect_traces): Likewise.
(copy_bb_p): Likewise.
(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
(add_labels_and_missing_jumps): Likewise.
(fix_up_fall_thru_edges): Likewise.
(find_jump_block): Likewise.
(fix_crossing_conditional_branches): Likewise.
(fix_crossing_unconditional_branches): Likewise.
(add_reg_crossing_jump_notes): Likewise.
* bt-load.c (augment_live_range): Likewise.
* cfg.c (clear_edges): Likewise.
(unchecked_make_edge): Likewise.
(cached_make_edge): Likewise.
(make_single_succ_edge): Likewise.
(remove_edge): Likewise.
(redirect_edge_succ_nodup): Likewise.
(check_bb_profile): Likewise.
(dump_flow_info): Likewise.
(alloc_aux_for_edges): Likewise.
(clear_aux_for_edges): Likewise.
(dump_cfg_bb_info): Likewise.
* cfganal.c (forwarder_block_p): Likewise.
(can_fallthru): Likewise.
(could_fall_through): Likewise.
(mark_dfs_back_edges): Likewise.
(set_edge_can_fallthru_flag): Likewise.
(find_unreachable_blocks): Likewise.
(create_edge_list): Likewise.
(verify_edge_list): Likewise.
(add_noreturn_fake_exit_edges): Likewise.
(connect_infinite_loops_to_exit): Likewise.
(flow_reverse_top_sort_order_compute): Likewise.
(flow_depth_first_order_compute): Likewise.
(flow_preorder_transversal_compute): Likewise.
(flow_dfs_compute_reverse_execute): Likewise.
(dfs_enumerate_from): Likewise.
(compute_dominance_frontiers_1): Likewise.
* cfgbuild.c (make_edges): Likewise.
(compute_outgoing_frequencies): Likewise.
(find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_simplify_condjump): Likewise.
(thread_jump): Likewise.
(try_forward_edges): Likewise.
(merge_blocks_move): Likewise.
(outgoing_edges_match): Likewise.
(try_crossjump_to_edge): Likewise.
(try_crossjump_bb): Likewise.
(try_optimize_cfg): Likewise.
(merge_seq_blocks): Likewise.
* cfgexpand.c (expand_gimple_tailcall): Likewise.
(expand_gimple_basic_block): Likewise.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
* cfghooks.c (verify_flow_info): Likewise.
(dump_bb): Likewise.
(delete_basic_block): Likewise.
(split_edge): Likewise.
(merge_blocks): Likewise.
(make_forwarder_block): Likewise.
(tidy_fallthru_edges): Likewise.
(can_duplicate_block_p): Likewise.
(duplicate_block): Likewise.
* cfglayout.c (fixup_reorder_chain): Likewise.
(fixup_fallthru_exit_predecessor): Likewise.
(can_copy_bbs_p): Likewise.
(copy_bbs): Likewise.
* cfgloop.c (flow_loops_cfg_dump): Likewise.
(flow_loop_entry_edges_find): Likewise.
(flow_loop_exit_edges_find): Likewise.
(flow_loop_nodes_find): Likewise.
(mark_single_exit_loops): Likewise.
(flow_loop_pre_header_scan): Likewise.
(flow_loop_pre_header_find): Likewise.
(update_latch_info): Likewise.
(canonicalize_loop_headers): Likewise.
(flow_loops_find): Likewise.
(get_loop_body_in_bfs_order): Likewise.
(get_loop_exit_edges): Likewise.
(num_loop_branches): Likewise.
(verify_loop_structure): Likewise.
(loop_latch_edge): Likewise.
(loop_preheader_edge): Likewise.
* cfgloopanal.c (mark_irreducible_loops): Likewise.
(expected_loop_iterations): Likewise.
* cfgloopmanip.c (remove_bbs): Likewise.
(fix_bb_placement): Likewise.
(fix_irreducible_loops): Likewise.
(remove_path): Likewise.
(scale_bbs_frequencies): Likewise.
(loopify): Likewise.
(unloop): Likewise.
(fix_loop_placement): Likewise.
(loop_delete_branch_edge): Likewise.
(duplicate_loop_to_header_edge): Likewise.
(mfb_keep_just): Likewise.
(create_preheader): Likewise.
(force_single_succ_latches): Likewise.
(loop_split_edge_with): Likewise.
(create_loop_notes): Likewise.
* cfgrtl.c (rtl_split_block): Likewise.
(rtl_merge_blocks): Likewise.
(rtl_can_merge_blocks): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(force_nonfallthru_and_redirect): Likewise.
(rtl_tidy_fallthru_edge): Likewise.
(commit_one_edge_insertion): Likewise.
(commit_edge_insertions): Likewise.
(commit_edge_insertions_watch_calls): Likewise.
(rtl_verify_flow_info_1): Likewise.
(rtl_verify_flow_info): Likewise.
(purge_dead_edges): Likewise.
(cfg_layout_redirect_edge_and_branch): Likewise.
(cfg_layout_can_merge_blocks_p): Likewise.
(rtl_flow_call_edges_add): Likewise.
* cse.c (cse_cc_succs): Likewise.
* df.c (hybrid_search): Likewise.
* dominance.c (calc_dfs_tree_nonrec): Likewise.
(calc_dfs_tree): Likewise.
(calc_idoms): Likewise.
(recount_dominator): Likewise.
* domwalk.c (walk_dominator_tree): Likewise.
* except.c (emit_to_new_bb_before): Likewise.
(connect_post_landing_pads): Likewise.
(sjlj_emit_function_enter): Likewise.
(sjlj_emit_function_exit): Likewise.
(finish_eh_generation): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (calculate_global_regs_live): Likewise.
(initialize_uninitialized_subregs): Likewise.
(init_propagate_block_info): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
* gcse.c (find_implicit_sets): Likewise.
(bypass_block): Likewise.
(bypass_conditional_jumps): Likewise.
(compute_pre_data): Likewise.
(insert_insn_end_bb): Likewise.
(insert_store): Likewise.
(remove_reachable_equiv_notes): Likewise.
* global.c (global_conflicts): Likewise.
(calculate_reg_pav): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* ifcvt.c (mark_loop_exit_edges): Likewise.
(merge_if_block): Likewise.
(find_if_header): Likewise.
(block_jumps_and_fallthru_p): Likewise.
(find_if_block): Likewise.
(find_cond_trap): Likewise.
(block_has_only_trap): Likewise.
(find_if_case1): Likewise.
(find_if_case_2): Likewise.
* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
(perfect_nestify): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
(compute_laterin): Likewise.
(compute_available): Likewise.
(compute_nearerout): Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-init.c (loop_optimizer_init): Likewise.
* loop-invariant.c (find_exits): Likewise.
* loop-iv.c (simplify_using_initial_values): Likewise.
(check_simple_exit): Likewise.
(find_simple_exit): Likewise.
* loop-unroll.c (peel_loop_completely): Likewise.
(unroll_loop_constant_iterations): Likewise.
(unroll_loop_runtime_iterations): Likewise.
* loop-unswitch.c (may_unswitch_on): Likewise.
(unswitch_loop): Likewise.
* modulo-sched.c (generate_prolog_epilog): Likewise.
(sms_schedule): Likewise.
* postreload-gcse.c (eliminate_partially_redundant_load):
Likewise.
* predict.c (can_predict_insn_p): Likewise.
(set_even_probabilities): Likewise.
(combine_predictions_for_bb): Likewise.
(predict_loops): Likewise.
(estimate_probability): Likewise.
(tree_predict_by_opcode): Likewise.
(tree_estimate_probability): Likewise.
(last_basic_block_p): Likewise.
(propagate_freq): Likewise.
(estimate_loops_at_level): Likewise.
(estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges): Likewise.
(get_exec_counts): Likewise.
(compute_branch_probabilities): Likewise.
(branch_prob): Likewise.
* ra-build.c (live_in): Likewise.
* ra-rewrite.c (rewrite_program2): Likewise.
* ra.c (reg_alloc): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
(convert_regs_entry): Likewise.
(compensate_edge): Likewise.
(convert_regs_1): Likewise,
(convert_regs_2): Likewise.
(convert_regs): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* reload1.c (fixup_abnormal_edges): Likewise.
* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
(sbitmap_insersection_of_preds): Likewise.
(sbitmap_union_of_succs): Likewise.
(sbitmap_union_of_preds): Likewise.
* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
(fix_basic_block_boundaries): Likewise.
(sched_ebbs): Likewise.
* sched-rgn.c (build_control_flow): Likewise.
(find_rgns): Likewise.
* tracer.c (find_best_successor): Likewise.
(find_best_predecessor): Likewise.
(tail_duplicate): Likewise.
* tree-cfg.c (make_edges): Likewise.
(make_ctrl_stmt_edges): Likewise.
(make_goto_expr_edges): Likewise.
(tree_can_merge_blocks_p): Likewise.
(tree_merge_blocks): Likewise.
(cfg_remove_useless_stmts_bb): Likewise.
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
(tree_block_forwards_to): Likewise.
(cleanup_control_expr_graph): Likewise.
(find_taken_edge): Likewise.
(dump_cfg_stats): Likewise.
(tree_cfg2vcg): Likewise.
(disband_implicit_edges): Likewise.
(tree_find_edge_insert_loc): Likewise.
(bsi_commit_edge_inserts): Likewise.
(tree_split_edge): Likewise.
(tree_verify_flow_info): Likewise.
(tree_make_forwarder_block): Likewise.
(tree_forwarder_block_p): Likewise.
(thread_jumps): Likewise.
(tree_try_redirect_by_replacing_jump): Likewise.
(tree_split_block): Likewise.
(add_phi_args_after_copy_bb): Likewise.
(rewrite_to_new_ssa_names_bb): Likewise.
(dump_function_to_file): Likewise.
(print_pred_bbs): Likewise.
(print_loop): Likewise.
(tree_flow_call_edges_add): Likewise.
(split_critical_edges): Likewise.
(execute_warn_function_return): Likewise.
(extract_true_false_edges_from_block): Likewise.
* tree-if-conv.c (tree_if_conversion): Likewise.
(if_convertable_bb_p): Likewise.
(find_phi_replacement_condition): Likewise.
(combine_blocks): Likewise.
* tree-into-ssa.c (compute_global_livein): Likewise.
(ssa_mark_phi_uses): Likewise.
(ssa_rewrite_initialize_block): Likewise.
(rewrite_add_phi_arguments): Likewise.
(ssa_rewrite_phi_arguments): Likewise.
(insert_phi_nodes_for): Likewise.
(rewrite_into_ssa): Likewise.
(rewrite_ssa_into_ssa): Likewise.
* tree-mudflap.c (mf_build_check_statement_for): Likewise.
* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
(rewrite_trees): Likewise.
* tree-pretty-print.c (dump_bb_header): Likewise.
(dump_implicit_edges): Likewise.
* tree-sra.c (insert_edge_copies): Likewise.
(find_obviously_necessary_stmts): Likewise.
(remove_data_stmt): Likewise.
* tree-ssa-dom.c (thread_across_edge): Likewise.
(dom_opt_finalize_block): Likewise.
(single_incoming_edge_ignoring_loop_edges): Likewise.
(record_equivalences_from_incoming_edges): Likewise.
(cprop_into_successor_phis): Likewise.
* tree-ssa-live.c (live_worklist): Likewise.
(calculate_live_on_entry): Likewise.
(calculate_live_on_exit): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
(copy_loop_headers): Likewise.
* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
(fill_always_executed_in): Likewise.
* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
(compute_phi_arg_on_exit): Likewise.
* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
(get_loops_exit): Likewise.
(split_loop_exit_edge): Likewise.
(ip_normal_pos): Likewise.
* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
Likewise.
* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
(replace_phi_with_stmt): Likewise.
(value_replacement): Likewise.
* tree-ssa-pre.c (compute_antic_aux): Likewise.
(insert_aux): Likewise.
(init_pre): Likewise.
* tree-ssa-propagate.c (simulate_stmt): Likewise.
(simulate_block): Likewise.
(ssa_prop_init): Likewise.
* tree-ssa-threadupdate.c (thread_block): Likewise.
(create_block_for_threading): Likewise.
(remove_last_stmt_and_useless_edges): Likewise.
* tree-ssa.c (verify_phi_args): Likewise.
(verify_ssa): Likewise.
* tree_tailcall.c (independent_of_stmt_p): Likewise.
(find_tail_calls): Likewise.
(eliminate_tail_call): Likewise.
(tree_optimize_tail_calls_1): Likewise.
* tree-vectorizer.c (vect_transform_loop): Likewise.
* var-tracking.c (prologue_stack_adjust): Likewise.
(vt_stack_adjustments): Likewise.
(vt_find_locations): Likewise.
* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
* config/i386/i386.c (ix86_pad_returns): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r88222
|
|
* Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
* basic-block.h (struct reorder_block_def): Add copy_number field.
* cfgloop.h (biv_p): Declare.
* cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
* common.opt (fsplit-ivs-in-unroller): New flag.
* loop-iv.c (biv_p): New function.
* loop-unroll.c: Include hashtab.h and recog.h.
(struct iv_to_split, struct split_ivs_info): New types.
(analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
insert_base_initialization, split_iv): New functions.
(peel_loop_completely, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
Use them.
* doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
Co-Authored-By: Steven Bosscher <stevenb@suse.de>
From-SVN: r87487
|
|
* lambda-mat.c (lambda_matrix_inverse_hard): Use gcc_assert
and gcc_unreachable instead of abort.
* lambda.h (lambda_vector_min_nz): Likewise.
* langhooks.c lhd_set_decl_assembler_name, lhd_can_use_bit_fields_p,
lhd_incomplete_type_error, lhd_expand_expr, lhd_types_compatible_p,
lhd_gimplify_expr): Likewise.
* lcm.c (optimize_mode_switching): Likewise.
* local-alloc.c (update_equiv_regs, block_alloc, find_free_reg):
Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze, get_iv_value,
canon_condition, simplify_using_condition,
simplify_using_initial_values, shorten_into_mode,
canonicalize_iv_subregs, iv_number_of_iterations): Likewise.
* loop-unroll.c (unroll_and_peel_loops, peel_loop_completely,
unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
peel_loop_simple, unroll_loop_stupid): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (gen_prefetch, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, record_giv, general_induction_var,
simplify_giv_expr, check_ext_dependent_givs, try_copy_prop,
loop_giv_dump): Likewise.
* loop.h (INSN_LUID): Likewise.
* modulo-sched.c (normalize_sched_times, generate_prolog_epilog,
sms_schedule, check_nodes_order): Likewise.
* optabs.c (gen_conditional, add_equal_note, expand_simple_binop,
expand_twoval_unop, expand_twoval_binop, expand_twoval_binop_libfunc,
expand_simple_unop, emit_no_conflict_block, prepare_cmp_insn,
emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
prepare_float_lib_cmp, gen_add2_insn, have_add2_insn, gen_sub2_insn,
have_sub2_insn, expand_float, expand_fix, debug_optab_libfuncs):
Likewise.
* opts.c (common_handle_option): Likewise.
* params.c (set_param_value): Likewise.
* passes.c (open_dump_file, rest_of_handle_final): Likewise.
* postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,hash_scan_set,
reg_set_between_after_reload_p, reg_used_between_after_reload_p,
get_avail_load_store_reg, eliminate_partially_redundant_load):
Likewise.
* postreload.c (reload_cse_simplify_set, reload_combine_note_use):
Likewise.
* predict.c (tree_predicted_by_p, expected_value_to_br_prob,
propagate_freq, expensive_function_p): Likewise.
* pretty-print.c (pp_base_format_text)
* profile.c (instrument_edges, instrument_values,
compute_branch_probabilities, branch_prob, union_groups,
end_branch_prob, tree_register_profile_hooks): Likewise.
From-SVN: r87290
|
|
gcc_unreachable instead of abort.
* lambda-mat.c (lambda_matrix_inverse_hard): Use gcc_assert
and gcc_unreachable instead of abort.
* lambda.h (lambda_vector_min_nz): Likewise.
* langhooks.c lhd_set_decl_assembler_name, lhd_can_use_bit_fields_p,
lhd_incomplete_type_error, lhd_expand_expr, lhd_types_compatible_p,
lhd_gimplify_expr): Likewise.
* lcm.c (optimize_mode_switching): Likewise.
* local-alloc.c (update_equiv_regs, block_alloc, find_free_reg):
Likewise.
* loop-doloop.c (doloop_modify): Likewise.
* loop-invariant.c (record_use): Likewise.
* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze, get_iv_value,
canon_condition, simplify_using_condition,
simplify_using_initial_values, shorten_into_mode,
canonicalize_iv_subregs, iv_number_of_iterations): Likewise.
* loop-unroll.c (unroll_and_peel_loops, peel_loop_completely,
unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
peel_loop_simple, unroll_loop_stupid): Likewise.
* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
unswitch_loop): Likewise.
* loop.c (gen_prefetch, loop_optimize, rtx_equal_for_loop_p,
move_movables, replace_call_address, find_and_verify_loops,
rtx_equal_for_prefetch_p, record_giv, general_induction_var,
simplify_giv_expr, check_ext_dependent_givs, try_copy_prop,
loop_giv_dump): Likewise.
* loop.h (INSN_LUID): Likewise.
* modulo-sched.c (normalize_sched_times, generate_prolog_epilog,
sms_schedule, check_nodes_order): Likewise.
* optabs.c (gen_conditional, add_equal_note, expand_simple_binop,
expand_twoval_unop, expand_twoval_binop, expand_twoval_binop_libfunc,
expand_simple_unop, emit_no_conflict_block, prepare_cmp_insn,
emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
prepare_float_lib_cmp, gen_add2_insn, have_add2_insn, gen_sub2_insn,
have_sub2_insn, expand_float, expand_fix, debug_optab_libfuncs):
Likewise.
* opts.c (common_handle_option): Likewise.
* params.c (set_param_value): Likewise.
* passes.c (open_dump_file, rest_of_handle_final): Likewise.
* postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,hash_scan_set,
reg_set_between_after_reload_p, reg_used_between_after_reload_p,
get_avail_load_store_reg, eliminate_partially_redundant_load):
Likewise.
* postreload.c (reload_cse_simplify_set, reload_combine_note_use):
Likewise.
* predict.c (tree_predicted_by_p, expected_value_to_br_prob,
propagate_freq, expensive_function_p): Likewise.
* pretty-print.c (pp_base_format_text)
* profile.c (instrument_edges, instrument_values,
compute_branch_probabilities, branch_prob, union_groups,
end_branch_prob, tree_register_profile_hooks): Likewise.
From-SVN: r87285
|
|
* toplev.c (dump_file_tbl): Rename from dump_file.
* bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
s/rtl_dump_file/dump_file/g.
From-SVN: r78399
|
|
gcc/
* cfgloop.h, cfgloopanal.c, cpplex.c, except.h, loop-init.c,
loop-unroll.c, scan-decls.c, scan.h, stor-layout.c,
xcoffout.c, xcoffout.h, config/arm/mmintrin.h,
config/mips/linux64.h, config/pa/pa-64.h,
config/rs6000/aix51.h, config/rs6000/aix52.h,
config/rs6000/spe.md, config/sparc/linux.h,
config/sparc/linux64.h: Update copyright.
gcc/cp/
* cp-tree.def, cvt.c: Update copyright.
From-SVN: r78032
|
|
* loop-iv.c: New file.
* Makefile.in (loop-iv.o): New.
* basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
* cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
num_loop_branches): New functions.
* cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
find_simple_exit, iv_number_of_iterations, iv_analysis_done,
get_simple_loop_desc, free_simple_loop_desc): Declare.
(simple_loop_desc): New inline function.
(struct rtx_iv, struct niter_desc): New.
* cfgloopmanip.c (loopify): Specify semantics more precisely.
* expr.c (force_operand): Handle subregs of expressions created by
loop unroller.
* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
parts of the initialization to toplev.c
* loop-unroll.c (loop_exit_at_end_p): New.
(unroll_and_peel_loops): Call iv_analysis_done.
(decide_peel_once_rolling, decide_peel_completely,
decide_unroll_stupid, decide_unroll_constant_iterations,
decide_unroll_runtime_iterations, decide_peel_simple,
peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
unroll_loop_runtime_iterations): Use new simple loop analysis.
* loop-unswitch.c (compare_and_jump_seq): New.
(may_unswitch_on_p): Renamed to ...
(may_unswitch_on): Use new iv analysis.
(reversed_condition): Export.
(unswitch_single_loop, unswitch_loop): Use new iv analysis.
* predict.c (estimate_probability): Use new simple loop analysis.
* rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
canon_condition, simplify_using_condition): Declare.
* stor-layout.c (get_mode_bounds): New.
* toplev.c (rest_of_handle_loop2): Some parts of
initialization/finalization moved here from loop-init.c.
From-SVN: r77951
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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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|
* jump.c: Convert prototypes to ISO C90.
* langhooks-def.h: Likewise. Add extern to prototypes.
* langhooks.c: Likewise.
* langhooks.h: Likewise.
* lcm.c: Likewise.
* local-alloc.c: Likewise.
* loop-init.c: Likewise.
* loop-unroll.c: Likewise.
* loop-unswitch.c: Likewise.
* loop.c: Likewise.
* loop.h: Likewise. Add extern to prototypes.
* machmode.h: Likewise.
* main.c: Likewise.
* mbchar.c: Likewise.
* mbchar.h: Likewise.
* mkdeps.c: Likewise.
* mkdeps.h: Likewise.
* optabs.c: Likewise.
* optabs.h: Likewise.
* output.h: Likewise.
* gccspec.c: Likwise.
* postreload.c: Likewise.
* prefix.c: Likewise.
* prefix.h: Likewise.
* print-rtl.c: Likewise.
* print-tree.c: Likewise.
* profile.c: Likewise.
* read-rtl.c: Likewise.
* real.c: Likewise.
* real.h: Likewise.
* recog.c: Likewise.
* recog.h: Likewise.
* reg-stack.c: Likewise.
* regclass.c: Likewise.
* regmove.c: Likewise.
* regrename.c: Likewise.
* regs.h: Likewise.
* reload.c: Likewise.
* reload.h: Likewise.
* reload1.c: Likewise.
* reorg.c: Likewise.
* resource.c: Likewise.
* resource.h: Likewise.
* rtl-error.c: Likewise.
* rtl.c: Likewise.
* rtl.h: Likewise.
* rtlanal.c: Likewise.
From-SVN: r68998
|
|
* 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
|
|
* basic-block.h: Fix comment typos.
* bb-reorder.c: Likewise.
* c-format.c: Likewise.
* cfgcleanup.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.h: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* convert.c: Likewise.
* dbxout.c: Likewise.
* df.c: Likewise.
* df.h: Likewise.
* diagnostic.c: Likewise.
* dwarf2out.c: Likewise.
* et-forest.h: Likewise.
* flow.c: Likewise.
* fold-const.c: Likewise.
* function.h: Likewise.
* gcov-io.h: Likewise.
* gcov.c: Likewise.
* gcse.c: Likewise.
* genautomata.c: Likewise.
* ggc-common.c: Likewise.
* ggc-page.c: Likewise.
* loop-unroll.c: Likewise.
* loop-unswitch.c: Likewise.
* loop.c: Likewise.
* mips-tfile.c: Likewise.
* optabs.c: Likewise.
* ra-build.c: Likewise.
* ra-colorize.c: Likewise.
* ra-rewrite.c: Likewise.
* ra.h: Likewise.
* regmove.c: Likewise.
* reload.c: Likewise.
* rtlanal.c: Likewise.
* sched-ebb.c: Likewise.
* sched-int.h: Likewise.
* sched-vis.c: Likewise.
* sreal.c: Likewise.
* ssa-ccp.c: Likewise.
* ssa.c: Likewise.
* toplev.c: Likewise.
* tree-inline.c: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
From-SVN: r68770
|
|
* cfgloopanal.c (num_loop_insns, average_num_loop_insns): Count only
real insns.
* loop-unroll.c (unroll_loop_runtime_iterations): Remove superfluous
condition.
From-SVN: r66700
|
|
* loop-unroll.c (decide_peel_completely,
decide_unroll_constant_iterations, decide_unroll_stupid,
decide_unroll_runtime_iterations, decide_peel_simple): Set
loop->has_desc.
From-SVN: r64500
|
|
* c-cppbuiltin.c (builtin_define_with_value_n): Fix whitespace.
* c-typeck.c (c_tree_expr_nonnegative_p): Likewise.
* cfgbuild.c (find_many_sub_basic_blocks): Likewise.
(find_sub_basic_blocks): Likewise.
* cgraphunit.c (cgraph_expand_functions): Likewise.
* dwarf2out.c (prune_unused_types): Likewise.
* expr.c (store_field): Likewise.
* genextract.c (print_path): Likewise.
* haifa-sched.c (schedule_insn): Likewise.
* lcm.c (compute_antinout_edge): Likewise.
* loop-unroll.c (decide_peel_once_rolling): Likewise.
* ra-colorize.c (ra_colorize_free_all): Likewise.
* ra-debug.c (dump_igraph): Likewise.
(debug_hard_reg_set): Likewise.
* reg-stack.c (reg_to_stack): Likewise.
* rtlanal.c (refers_to_regno_p): Likewise.
* tracer.c (layout_superblocks): Likewise.
* cp/tree.c (count_functions): Fix whitespace.
* f/ste.c (ffeste_R810): Fix whitespace.
From-SVN: r64402
|
|
* builtins.def: Fix typo and improve grammar.
* loop-unroll.c (decide_peel_completely): Tidy log message.
From-SVN: r64030
|
|
* gcse.c (bypass_block, bypass_conditional_jumps): Do not create
irreducible loops.
* loop-unroll.c (unroll_loop_runtime_iterations): Update irreducible
loops info correctly.
From-SVN: r63980
|
|
* calls.c: Fix comment formatting.
* cfgloopanal.c: Likewise.
* cfgloopmanip.c: Likewise.
* combine.c: Likewise.
* dwarf2out.c: Likewise.
* ggc-common.c: Likewise.
* langhooks.c: Likewise.
* loop-unroll.c: Likewise.
* loop.c: Likewise.
* ra-build.c: Likewise.
* sbitmap.c: Likewise.
* toplev.c: Likewise.
From-SVN: r63966
|
|
* 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
|
|
From-SVN: r63470
|
