1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/pr37474.c b/gcc/testsuite/gcc.dg/vect/pr37474.c
new file mode 100644
index 000000000..b6d01c269
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/pr37474.c
@@ -0,0 +1,38 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target vect_int } */
+
+#include <stdarg.h>
+
+#define M00 100
+#define M10 216
+#define M01 1322
+#define M11 13
+#define M02 74
+#define M12 191
+
+#define N 16
+
+void foo (unsigned int *__restrict__ pInput, unsigned int *__restrict__ pOutput)
+{
+  unsigned int i, a, b, c, d, e, f;
+
+  for (i = 0; i < N / 3; i++)
+    {
+       a = *pInput++;
+       b = *pInput++;
+       c = *pInput++;
+       d = *pInput++;
+       e = *pInput++;
+       f = *pInput++;
+
+       a = a + d;
+       b = b + e;
+       c = c + f;
+
+       *pOutput++ = M00 * a + M01 * b + M02 * c;
+       *pOutput++ = M10 * a + M11 * b + M12 * c;
+    }
+}
+
+/* { dg-final { cleanup-tree-dump "vect" } } */
+