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| author | Zdenek Dvorak <dvorakz@suse.cz> | 2006-02-12 23:32:33 +0100 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2006-02-12 22:32:33 +0000 |
| commit | 00f70f98e97336b4e78a6d0530e2dbe5bedde133 (patch) | |
| tree | 6f2cb4496a9540f20557e99827de0862060d2dfd /gcc/loop-invariant.c | |
| parent | 82b8244c51cbf71e28f53a0e7e998aff924c36e7 (diff) | |
| download | gcc-00f70f98e97336b4e78a6d0530e2dbe5bedde133.tar.gz | |
re PR rtl-optimization/26232 (cc0 targets broken; loop-invariants-move code doesn't handle cc0.)
PR rtl-optimization/26232
* loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
From-SVN: r110897
Diffstat (limited to 'gcc/loop-invariant.c')
| -rw-r--r-- | gcc/loop-invariant.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/loop-invariant.c b/gcc/loop-invariant.c index 3ecf9d6126d..f7037474b3a 100644 --- a/gcc/loop-invariant.c +++ b/gcc/loop-invariant.c @@ -730,6 +730,12 @@ find_invariant_insn (rtx insn, bool always_reached, bool always_executed) || find_reg_note (insn, REG_NO_CONFLICT, NULL_RTX)) return; +#ifdef HAVE_cc0 + /* We can't move a CC0 setter without the user. */ + if (sets_cc0_p (insn)) + return; +#endif + set = single_set (insn); if (!set) return; |