--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/tree-ssa/gen-vect-11c.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,42 @@
+/* { dg-do run { target vect_cmdline_needed } } */
+/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details" } */
+/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details -mno-vx" { target { s390*-*-* } } } */
+/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details -mno-sse" { target { i?86-*-* x86_64-*-* } } } */
+
+#include <stdlib.h>
+
+#define N 16
+
+/* One x86_64 mingw a long remains 4 bytes sized, but machine word
+   is 8 bytes.  */
+#if LONG_MAX == 2147483647 && !defined (_WIN64)
+typedef short half_word;
+#else
+typedef int half_word;
+#endif
+
+int main ()
+{
+  int i;
+  half_word ia[N];
+  half_word ic[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
+  half_word ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
+
+  /* Not worthwhile, only 2 parts per int */
+  for (i = 0; i < N; i++)
+    {
+      ia[i] = ib[i] + ic[i];
+    }
+
+  /* check results:  */
+  for (i = 0; i < N; i++)
+    {
+      if (ia[i] != ib[i] + ic[i])
+        abort ();
+    }
+
+  return 0;
+}
+
+
+/* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" } } */