--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/other/i386-8.C	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,22 @@
+// PR rtl-optimization/45400
+// { dg-do compile { target i?86-*-* x86_64-*-* } }
+// { dg-options "-O2 -msse2" }
+// { dg-options "-O2 -msse2 -fpic" { target fpic } }
+
+#include <xmmintrin.h>
+
+static inline unsigned short
+bar (unsigned short x)
+{
+  return ((x << 8) | (x >> 8));
+}
+
+unsigned int
+foo (float *x, short *y)
+{
+  __m128 a = _mm_set_ps1 (32767.5f);
+  __m128 b = _mm_mul_ps (_mm_load_ps (x), a);
+  __m64 c = _mm_cvtps_pi16 (b);
+  __builtin_memcpy (y, &c, sizeof (short) * 4);
+  y[0] = bar (y[0]);
+}