diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 6c13d6d..98eb55e 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -8927,9 +8927,11 @@ static tree fold_vec_perm (tree type, tree arg0, tree arg1, const vec_perm_indices &sel) { unsigned int i; + unsigned HOST_WIDE_INT nelts; bool need_ctor = false; - unsigned int nelts = sel.length (); + if (!sel.length ().is_constant (&nelts)) + return NULL_TREE; gcc_assert (TYPE_VECTOR_SUBPARTS (type) == nelts && TYPE_VECTOR_SUBPARTS (TREE_TYPE (arg0)) == nelts && TYPE_VECTOR_SUBPARTS (TREE_TYPE (arg1)) == nelts); |