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| author | Jan Hubicka <jh@suse.cz> | 2001-07-26 00:23:09 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2001-07-25 22:23:09 +0000 |
| commit | c4f81e4a6b4a1ff4774c8836de4a7241c57b278f (patch) | |
| tree | bdf6f2181d743e47072722caa34cbf4c83b53189 /gcc/loop.c | |
| parent | 472385a25f9771ac1171369f7b38d6e8845cc8cf (diff) | |
| download | gcc-c4f81e4a6b4a1ff4774c8836de4a7241c57b278f.tar.gz | |
predict.c (estimate_probability): Avoid duplicated predictions.
* predict.c (estimate_probability): Avoid duplicated predictions.
* loop.c (find_and_verify_loops): Grok multiple barriers.
From-SVN: r44369
Diffstat (limited to 'gcc/loop.c')
| -rw-r--r-- | gcc/loop.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/loop.c b/gcc/loop.c index db1ec9df7a3..3584fe4c91b 100644 --- a/gcc/loop.c +++ b/gcc/loop.c @@ -2676,6 +2676,14 @@ find_and_verify_loops (f, loops) = JUMP_LABEL (insn) ? JUMP_LABEL (insn) : get_last_insn (); struct loop *target_loop = uid_loop[INSN_UID (target)]; rtx loc, loc2; + rtx tmp; + + /* Search for possible garbage past the conditional jumps + and look for latest barrier. */ + for (tmp = last_insn_to_move; + tmp && GET_CODE (tmp) != CODE_LABEL; tmp = NEXT_INSN (tmp)) + if (GET_CODE (tmp) == BARRIER) + last_insn_to_move = tmp; for (loc = target; loc; loc = PREV_INSN (loc)) if (GET_CODE (loc) == BARRIER |