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-rw-r--r--gcc/testsuite/gcc.dg/vect/vect-outer-4d.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-4d.c b/gcc/testsuite/gcc.dg/vect/vect-outer-4d.c
new file mode 100644
index 000000000..c344fb1d6
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-4d.c
@@ -0,0 +1,51 @@
+/* { dg-require-effective-target vect_float } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 40
+#define M 128
+float in[N+M];
+float out[N];
+
+/* Outer-loop vectorization. */
+
+__attribute__ ((noinline)) void
+foo (){
+ int i,j;
+ float diff;
+
+ for (i = 0; i < N; i++) {
+ diff = 0;
+ for (j = 0; j < M; j+=4) {
+ diff += in[j+i];
+ }
+ out[i]=diff;
+ }
+}
+
+int main (void)
+{
+ check_vect ();
+ int i, j;
+ float diff;
+
+ for (i = 0; i < N; i++)
+ in[i] = i;
+
+ foo ();
+
+ for (i = 0; i < N; i++) {
+ diff = 0;
+ for (j = 0; j < M; j+=4) {
+ diff += in[j+i];
+ }
+ if (out[i] != diff)
+ abort ();
+ }
+
+ return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */