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-rw-r--r--gcc/tree-vect-data-refs.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c
index 35d0e0f..3eb20fc 100644
--- a/gcc/tree-vect-data-refs.c
+++ b/gcc/tree-vect-data-refs.c
@@ -5617,6 +5617,7 @@ vect_transform_grouped_load (gimple stmt, vec<tree> dr_chain, int size,
get chain for loads group using vect_shift_permute_load_chain. */
mode = TYPE_MODE (STMT_VINFO_VECTYPE (vinfo_for_stmt (stmt)));
if (targetm.sched.reassociation_width (VEC_PERM_EXPR, mode) > 1
+ || exact_log2 (size) != -1
|| !vect_shift_permute_load_chain (dr_chain, size, stmt,
gsi, &result_chain))
vect_permute_load_chain (dr_chain, size, stmt, gsi, &result_chain);