1  /* PR middle-end/17767 */
       2  /* Contributed by Volker Reichelt <reichelt@igpm.rwth-aachen.de> */
       3  /* { dg-do compile } */
       4  /* { dg-options "-O -mmmx" } */
       5  typedef int __m64 __attribute__ ((vector_size (8)));
       6  typedef short __v4hi __attribute__ ((vector_size (8)));
       7  
       8  __m64 foo ()
       9  {
      10    int i;
      11    __m64 m;
      12  
      13    for (i = 0; i < 2; i++)
      14      m = (__m64) __builtin_ia32_pcmpeqw ((__v4hi) m, (__v4hi) m);
      15  
      16    return m;
      17  }