1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -msse3 -mgeneral-regs-only" } */
       3  
       4  #include <x86intrin.h>
       5  
       6  void
       7  foo1 (unsigned int x, unsigned int y)
       8  {
       9    _mm_mwait (x, y);
      10  }