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-rw-r--r--gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-mult.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-mult.c b/gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-mult.c
new file mode 100644
index 00000000000..5d45bf84c9d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-mult.c
@@ -0,0 +1,67 @@
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 128
+
+typedef struct {
+ unsigned short a;
+ unsigned short b;
+} s;
+
+int
+main1 ()
+{
+ s arr[N];
+ s *ptr = arr;
+ unsigned int iarr[N];
+ unsigned int *iptr = iarr;
+ s res[N];
+ unsigned int ires[N];
+ int i;
+
+ for (i = 0; i < N; i++)
+ {
+ arr[i].a = i;
+ arr[i].b = i * 2;
+ iarr[i] = i * 3;
+ if (arr[i].a == 178)
+ abort();
+ }
+
+ for (i = 0; i < N; i++)
+ {
+ ires[i] = *iptr;
+ res[i].b = ptr->b - ptr->a;
+ res[i].a = ptr->b + ptr->a;
+ iptr++;
+ ptr++;
+ }
+
+ /* check results: */
+ for (i = 0; i < N; i++)
+ {
+ if (res[i].b != arr[i].b - arr[i].a
+ || ires[i] != iarr[i]
+ || res[i].a != arr[i].b + arr[i].a)
+ abort ();
+ }
+
+ return 0;
+}
+
+int main (void)
+{
+ int i;
+
+ check_vect ();
+
+ main1 ();
+
+ return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_interleave && vect_extract_even_odd } } } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */
+