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| author | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-03-31 14:19:52 +0000 |
|---|---|---|
| committer | rakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-03-31 14:19:52 +0000 |
| commit | 13ecee2146355ef5c516378b712e459d5ebab934 (patch) | |
| tree | ffad40ad79ed9653b2a213a4f8b639c6da089e67 /gcc/loop-invariant.c | |
| parent | 51a71296fde977ff0ca5fee6d43304f4606fdc58 (diff) | |
| download | gcc-13ecee2146355ef5c516378b712e459d5ebab934.tar.gz | |
PR rtl-optimization/35729
* loop-invariant.c (check_maybe_invariant): Disallow volatile memory
references.
* gcc.dg/pr35729.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@133755 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/loop-invariant.c')
| -rw-r--r-- | gcc/loop-invariant.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/loop-invariant.c b/gcc/loop-invariant.c index ba1f2888b00..64c16a98423 100644 --- a/gcc/loop-invariant.c +++ b/gcc/loop-invariant.c @@ -206,7 +206,7 @@ check_maybe_invariant (rtx x) /* Just handle the most trivial case where we load from an unchanging location (most importantly, pic tables). */ - if (MEM_READONLY_P (x)) + if (MEM_READONLY_P (x) && !MEM_VOLATILE_P (x)) break; return false; |