1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -mmmx" } */
       3  
       4  typedef short mmxw  __attribute__ ((vector_size (8)));
       5  typedef int   mmxdw __attribute__ ((vector_size (8)));
       6  
       7  mmxdw dw;
       8  mmxw w;
       9  
      10  void test()
      11  {
      12    w+=w;
      13    dw= (mmxdw)w;
      14  }
      15  
      16  /* { dg-final { scan-assembler-not "%mm" } } */