--- a/gcc/testsuite/gcc.dg/vect/slp-19c.c	Fri Oct 27 22:46:09 2017 +0900
+++ b/gcc/testsuite/gcc.dg/vect/slp-19c.c	Thu Oct 25 07:37:49 2018 +0900
@@ -3,14 +3,27 @@
 #include <stdarg.h>
 #include "tree-vect.h"
 
+#if VECTOR_BITS > 128
+#define N (VECTOR_BITS * 2 / 32)
+#else
 #define N 16
+#endif
 
 int
 main1 ()
 {
   unsigned int i;
   unsigned int out[N*8];
+#if N == 16
   unsigned int in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+#else
+  unsigned int in[N * 8];
+  for (unsigned int i = 0; i < N * 8; ++i)
+    {
+      in[i] = i & 63;
+      asm volatile ("" ::: "memory");
+    }
+#endif
   unsigned int ia[N*2], a0, a1, a2, a3;
 
   /* The last stmt requires interleaving of not power of 2 size - not