1 files changed, 44 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-strided-float.c b/gcc/testsuite/gcc.dg/vect/vect-strided-float.c
new file mode 100644
index 00000000000..f2e4484563b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/vect-strided-float.c
@@ -0,0 +1,44 @@
+/* { dg-require-effective-target vect_float } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 16
+
+int
+main1 (void)
+{
+  int i;
+  float a[N*2];
+  float b[N*2] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93};
+  float c[N*2] = {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};
+
+  /* Strided access pattern.  */
+  for (i = 0; i < N/2; i++)
+    {
+      a[i*2] = b[2*i+1] * c[2*i+1] - b[2*i] * c[2*i];
+      a[i*2+1] = b[2*i+8] * c[2*i+9] + b[2*i+9] * c[2*i+8];
+    }
+
+  /* Check results.  */
+  for (i = 0; i < N/2; i++)
+    {
+      if (a[i*2] != b[2*i+1] * c[2*i+1] - b[2*i] * c[2*i]
+	  || a[i*2+1] != b[2*i+8] * c[2*i+9] + b[2*i+9] * c[2*i+8])
+	abort();
+    }
+
+  return 0;
+}
+
+int main (void)
+{
+  check_vect ();
+  return main1 ();
+}
+
+/* Needs interleaving support.  */
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_interleave && vect_extract_even_odd } } } } */
+/* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" { xfail { vect_interleave && vect_extract_even_odd } } } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */
+