1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr42881.c b/gcc/testsuite/gcc.target/i386/pr42881.c
new file mode 100644
index 000000000..c8ad09d20
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr42881.c
@@ -0,0 +1,15 @@
+/* PR target/42881 */
+/* { dg-do run } */
+/* { dg-options "-O0 -msse2" } */
+/* { dg-require-effective-target sse2 } */
+
+#include "sse2-check.h"
+static void
+sse2_test (void)
+{
+  double a[2];
+  __m128d x = _mm_set1_pd(3);
+  _mm_storeu_pd(a,x);
+  if (a[0] != 3.0 || a[1] != 3.0)
+    __builtin_abort ();
+}