1 files changed, 57 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/sad-vectorize-3.c b/gcc/testsuite/gcc.target/powerpc/sad-vectorize-3.c
new file mode 100644
index 00000000000..0513a507484
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/sad-vectorize-3.c
@@ -0,0 +1,57 @@
+/* { dg-do run { target { powerpc*-*-linux* && { lp64 && p9vector_hw } } } } */
+/* { dg-require-effective-target powerpc_p9vector_ok } */
+/* { dg-options "-O3 -mcpu=power9" } */
+/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */
+
+/* Verify that we get correct code when we vectorize this SAD loop using
+   vabsdub. */
+
+extern void abort ();
+extern int abs (int __x) __attribute__ ((__nothrow__, __leaf__)) __attribute__ ((__const__));
+
+static int
+foo (unsigned char *w, int i, unsigned char *x, int j)
+{
+  int tot = 0;
+  for (int a = 0; a < 16; a++)
+    {
+      for (int b = 0; b < 16; b++)
+	tot += abs (w[b] - x[b]);
+      w += i;
+      x += j;
+    }
+  return tot;
+}
+
+void
+bar (unsigned char *w, unsigned char *x, int i, int *result)
+{
+  *result = foo (w, 16, x, i);
+}
+
+int
+main ()
+{
+  unsigned char m[256];
+  unsigned char n[256];
+  int sum, i;
+
+  for (i = 0; i < 256; ++i)
+    if (i % 2 == 0)
+      {
+	m[i] = (i % 8) * 2 + 1;
+	n[i] = -(i % 8);
+      }
+    else
+      {
+	m[i] = -((i % 8) * 2 + 2);
+	n[i] = -((i % 8) >> 1);
+      }
+  
+  bar (m, n, 16, &sum);
+
+  if (sum != 32384)
+    abort ();
+
+  return 0;
+}