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| author | Jakub Jelinek <jakub@redhat.com> | 2008-06-24 12:06:17 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2008-06-24 12:06:17 +0200 |
| commit | a80a27015e7a09109ace946db74b780532267f66 (patch) | |
| tree | 492ca505f095f3121d8bf401e35946ec7b71fd17 /gcc/tree-ssa-loop-prefetch.c | |
| parent | 190a9bd7ee25cd212923a48cae0cb390a96099bb (diff) | |
| download | gcc-a80a27015e7a09109ace946db74b780532267f66.zip gcc-a80a27015e7a09109ace946db74b780532267f66.tar.gz gcc-a80a27015e7a09109ace946db74b780532267f66.tar.bz2 | |
re PR tree-optimization/36504 (ICE when building xorg-server with -O3 -fprefetch-loop-arrays)
PR tree-optimization/36504
* tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
references without base address.
* gcc.dg/pr36504.c: New test.
From-SVN: r137061
Diffstat (limited to 'gcc/tree-ssa-loop-prefetch.c')
| -rw-r--r-- | gcc/tree-ssa-loop-prefetch.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-prefetch.c b/gcc/tree-ssa-loop-prefetch.c index 651ccbb..14044c4 100644 --- a/gcc/tree-ssa-loop-prefetch.c +++ b/gcc/tree-ssa-loop-prefetch.c @@ -457,6 +457,9 @@ gather_memory_references_ref (struct loop *loop, struct mem_ref_group **refs, HOST_WIDE_INT step, delta; struct mem_ref_group *agrp; + if (get_base_address (ref) == NULL) + return false; + if (!analyze_ref (loop, &ref, &base, &step, &delta, stmt)) return false; |