diff options
| author | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-06-28 18:33:54 +0000 |
|---|---|---|
| committer | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-06-28 18:33:54 +0000 |
| commit | 275b82851d330e07a41b362f051269af733db898 (patch) | |
| tree | 4c7d57ca3c9ac8e23c6f7cc8ce6df494f71bc272 /gcc/tree-vect-generic.c | |
| parent | 2ba5b7632104872ea0283683c8dba28be2458a7b (diff) | |
| download | gcc-275b82851d330e07a41b362f051269af733db898.tar.gz | |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@149038 138bc75d-0d04-0410-961f-82ee72b054a4
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 d99d713fd31..9ef0239421d 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, |