1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -ffast-math -mfpmath=sse -msse2" } */
       3  
       4  double foo(double a)
       5  {
       6    return __builtin_round(a);
       7  }
       8  
       9  /* { dg-final { scan-assembler-not "ucom" } } */