1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/i386-mmx-6.c b/gcc/testsuite/gcc.dg/i386-mmx-6.c
new file mode 100644
index 00000000000..8938d2cd41d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/i386-mmx-6.c
@@ -0,0 +1,17 @@
+/* PR middle-end/17767 */
+/* Contributed by Volker Reichelt <reichelt@igpm.rwth-aachen.de> */
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O -mmmx" } */
+typedef int __m64 __attribute__ ((vector_size (8)));
+typedef short __v4hi __attribute__ ((vector_size (8)));
+
+__m64 foo ()
+{
+  int i;
+  __m64 m;
+
+  for (i = 0; i < 2; i++)
+    m = (__m64) __builtin_ia32_pcmpeqw ((__v4hi) m, (__v4hi) m);
+
+  return m;
+}