diff options
Diffstat (limited to 'gcc/optabs-query.c')
| -rw-r--r-- | gcc/optabs-query.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/optabs-query.c b/gcc/optabs-query.c index 4060b4f..7396664 100644 --- a/gcc/optabs-query.c +++ b/gcc/optabs-query.c @@ -390,7 +390,8 @@ can_vec_perm_var_p (machine_mode mode) /* We allow fallback to a QI vector mode, and adjust the mask. */ machine_mode qimode; - if (!qimode_for_vec_perm (mode).exists (&qimode)) + if (!qimode_for_vec_perm (mode).exists (&qimode) + || GET_MODE_NUNITS (qimode) > GET_MODE_MASK (QImode) + 1) return false; if (direct_optab_handler (vec_perm_optab, qimode) == CODE_FOR_nothing) |