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authorJan Hubicka <jh@suse.cz>2002-02-28 10:11:01 +0000
committerJan Hubicka <hubicka@gcc.gnu.org>2002-02-28 10:11:01 +0000
commit38c1593d577d667bd1bcb486c0a6b34c218ebb46 (patch)
tree8d5067250a1945f16e7442da0ebfa33bcd46322d /gcc/recog.c
parentbde131d34d70387ac376419405e9b5c8a788984c (diff)
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basic-block.h (BB_REACHABLE): Renumber.
* 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
Diffstat (limited to 'gcc/recog.c')
-rw-r--r--gcc/recog.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/recog.c b/gcc/recog.c
index 6039c4d..69f75b7 100644
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -392,6 +392,17 @@ apply_change_group ()
if (i == num_changes)
{
+ basic_block bb;
+
+ for (i = 0; i < num_changes; i++)
+ if (changes[i].object
+ && INSN_P (changes[i].object)
+ && basic_block_for_insn
+ && ((unsigned int)INSN_UID (changes[i].object)
+ < basic_block_for_insn->num_elements)
+ && (bb = BLOCK_FOR_INSN (changes[i].object)))
+ bb->flags |= BB_DIRTY;
+
num_changes = 0;
return 1;
}