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Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/vect-outer-4c.c')
-rw-r--r--gcc/testsuite/gcc.dg/vect/vect-outer-4c.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-4c.c b/gcc/testsuite/gcc.dg/vect/vect-outer-4c.c
new file mode 100644
index 00000000000..eb6b30f41ed
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-4c.c
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+
+#define N 40
+#define M 128
+unsigned short in[N+M];
+unsigned short coeff[M];
+unsigned int out[N];
+
+/* Outer-loop vectorization. */
+
+void
+foo (){
+ int i,j;
+ unsigned short diff;
+
+ for (i = 0; i < N; i++) {
+ diff = 0;
+ for (j = 0; j < M; j+=8) {
+ diff += in[j+i]*coeff[j];
+ }
+ out[i]=diff;
+ }
+}
+
+/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { target vect_short_mult } } } */
+/* { dg-final { scan-tree-dump-times "zero step in outer loop." 1 "vect" } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */