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| author | Uros Bizjak <uros@gcc.gnu.org> | 2009-06-28 20:33:54 +0200 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2009-06-28 20:33:54 +0200 |
| commit | 1e9ae5ab30a1482760bf7bb35fcdf18e2dbe942f (patch) | |
| tree | 4c7d57ca3c9ac8e23c6f7cc8ce6df494f71bc272 /gcc/tree-vect-generic.c | |
| parent | c703e618f89b29ed9ef55d53e08212bb46548810 (diff) | |
| download | gcc-1e9ae5ab30a1482760bf7bb35fcdf18e2dbe942f.zip gcc-1e9ae5ab30a1482760bf7bb35fcdf18e2dbe942f.tar.gz gcc-1e9ae5ab30a1482760bf7bb35fcdf18e2dbe942f.tar.bz2 | |
re PR tree-optimization/40550 (Segmentation fault caused by alignment error in sse code)
PR tree-optimization/40550
* tree-vect-generic.c (expand_vector_operations_1): Compute in
vector_compute_type only when the size of vector_compute_type is
less than the size of type.
testsuite/ChangeLog:
PR tree-optimization/40550
* gcc.dg/pr40550.c: New test.
From-SVN: r149038
Diffstat (limited to 'gcc/tree-vect-generic.c')
| -rw-r--r-- | gcc/tree-vect-generic.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c index d99d713..9ef0239 100644 --- a/gcc/tree-vect-generic.c +++ b/gcc/tree-vect-generic.c @@ -482,8 +482,10 @@ expand_vector_operations_1 (gimple_stmt_iterator *gsi) tree vector_compute_type = type_for_widest_vector_mode (TYPE_MODE (TREE_TYPE (type)), op, TYPE_SATURATING (TREE_TYPE (type))); - if (vector_compute_type != NULL_TREE) - compute_type = vector_compute_type; + if (vector_compute_type != NULL_TREE + && (TYPE_VECTOR_SUBPARTS (vector_compute_type) + < TYPE_VECTOR_SUBPARTS (compute_type))) + compute_type = vector_compute_type; } /* If we are breaking a BLKmode vector into smaller pieces, |