| Commit message (Collapse) | Author | Age | Files | Lines |
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* 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
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* cfgloop.h, loop-iv.c, loop-unswitch.c: Replace iv_analyse
with iv_analyze.
From-SVN: r78350
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* 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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cfghooks.h, cfglayout.c, cfgloopmanip.c, debug.c, debug.h,
flow.c, genextract.c, ggc-common.c, ggc-page.c, ggc.h,
ifcvt.c, jump.c, loop-unswitch.c, timevar.c, timevar.def,
tree-optimize.c, vmsdbgout.c, config/fp-bit.c,
config/alpha/alpha.c, config/alpha/alpha.h,
config/alpha/alpha.md, config/alpha/unicosmk.h,
config/alpha/vms.h, config/arm/linux-elf.h, config/avr/avr.c,
config/c4x/c4x-protos.h, config/c4x/c4x.md,
config/d30v/d30v.h, config/frv/frv.md, config/frv/frvbegin.c,
config/frv/frvend.c, config/i386/cygming.h,
config/i386/djgpp.h, config/i386/emmintrin.h,
config/i386/gthr-win32.c, config/i386/i386-interix.h,
config/i386/i386-protos.h, config/i386/openbsd.h,
config/i386/winnt.c, config/i386/xm-mingw32.h,
config/i386/xmmintrin.h, config/ia64/ia64.md,
config/iq2000/iq2000.md, config/m32r/m32r.md,
config/m68k/m68k.md, config/mcore/mcore-elf.h,
config/mcore/mcore.md, config/mips/elf.h, config/mips/elf64.h,
config/mips/iris5gas.h, config/mips/iris6.h,
config/mips/iris6gas.h, config/mips/linux.h,
config/mips/mips.md, config/mips/netbsd.h,
config/mips/openbsd.h, config/mips/windiss.h,
config/pa/fptr.c, config/rs6000/aix.h,
config/rs6000/altivec.h, config/rs6000/darwin.h,
config/rs6000/xcoff.h, config/s390/s390-protos.h,
config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
config/sh/netbsd-elf.h, config/sh/sh.h, config/sh/vxworks.h,
config/sparc/sol2.h: Update copyright.
From-SVN: r77018
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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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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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PR opt/13159
* cfgloopanal.c (mark_irreducible_loops): Fix the strongly connected
components detection.
* loop-unswitch.c (unswitch_loop): Preserve simple preheaders.
* gcc.c-torture/compile/20031227-1.c: New test.
From-SVN: r75174
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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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2003-09-12 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
PR optimization/10914
* expr.h (get_condition, canonicalize_condition): Declaration changed.
* cfgloopanal.c (simple_loop_exit_p): Add parameter to a get_condition
and canonicalize_condition calls.
* gcse.c (fis_get_condition, delete_null_pointer_checks_1,
delete_null_pointer_checks): Ditto.
* ifcvt.c (noce_get_alt_condition, noce_get_condition): Ditto.
* predict.c (estimate_probability, expected_value_to_br_prob): Ditto.
* loop.c (check_dbra_loop, get_condition_for_loop): Ditto.
(canonicalize_condition, get_condition): Allow to return comparisons
of cc mode registers.
* loop-unswitch.c (may_unswitch_on_p, unswitch_single_loop): Allow
cc mode registers comparison in condition.
From-SVN: r71398
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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
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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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* basic-block.h: Fix comment typos.
* bb-reorder.c: Likewise.
* c-format.c: Likewise.
* cfgcleanup.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.h: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* convert.c: Likewise.
* dbxout.c: Likewise.
* df.c: Likewise.
* df.h: Likewise.
* diagnostic.c: Likewise.
* dwarf2out.c: Likewise.
* et-forest.h: Likewise.
* flow.c: Likewise.
* fold-const.c: Likewise.
* function.h: Likewise.
* gcov-io.h: Likewise.
* gcov.c: Likewise.
* gcse.c: Likewise.
* genautomata.c: Likewise.
* ggc-common.c: Likewise.
* ggc-page.c: Likewise.
* loop-unroll.c: Likewise.
* loop-unswitch.c: Likewise.
* loop.c: Likewise.
* mips-tfile.c: Likewise.
* optabs.c: Likewise.
* ra-build.c: Likewise.
* ra-colorize.c: Likewise.
* ra-rewrite.c: Likewise.
* ra.h: Likewise.
* regmove.c: Likewise.
* reload.c: Likewise.
* rtlanal.c: Likewise.
* sched-ebb.c: Likewise.
* sched-int.h: Likewise.
* sched-vis.c: Likewise.
* sreal.c: Likewise.
* ssa-ccp.c: Likewise.
* ssa.c: Likewise.
* toplev.c: Likewise.
* tree-inline.c: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
From-SVN: r68770
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* 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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* cfgloop.h (fix_loop_placement, can_duplicate_loop_p,
duplicate_loop_to_header_edge, loopify, remove_path, split_loop_bb):
Declare.
(DLTHE_FLAG_UPDATE_FREQ): New.
* cfgloopmanip.c (duplicate_loop, duplicate_subloops, copy_loops_to,
loop_redirect_edge, loop_delete_branch_edge, copy_bbs, remove_bbs,
rpe_enum_p, find_branch, alp_enum_p, add_loop, fix_loop_placements,
fix_bb_placement, fix_bb_placements, place_new_loop,
scale_loop_frequencies, scale_bbs_frequencies, record_exit_edges):
New static functions.
(fix_loop_placement, can_duplicate_loop_p,
duplicate_loop_to_header_edge, loopify, remove_path, split_loop_bb):
New functions.
* cfgloop.h (loop_optimizer_init, loop_optimizer_finalize,
unswitch_loops): Declare.
* loop-init.c: New file.
* loop-unswitch.c: New file.
* Makefile.in (loop-init.o, loop-unswitch.o): New.
* params.def (PARAM_MAX_UNSWITCH_INSNS, PARAM_MAX_UNSWITCH_LEVEL): New.
* toplev.c (DFI_loop2): New dump.
(flag_unswitch_loops): New.
(lang_independent_options): Add it.
(rest_of_compilation): Call new loop optimizer.
(parse_options_and_default_flags): Turn flag_unswitch_loops on with -O3.
From-SVN: r62578
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