1  /* { dg-options "-mdejagnu-cpu=power4 -O2 -fcompare-debug -fharden-compares -frename-registers" } */
       2  
       3  double m;
       4  int n;
       5  
       6  unsigned int
       7  foo (unsigned int x, int y)
       8  {
       9    long long int a = y, b = !a;
      10    int c = 0;
      11  
      12    if (b != x)
      13      while ((int) m == a)
      14        {
      15          c = a;
      16          a = 0;
      17        }
      18  
      19    n = b = y;
      20  
      21    return x + c;
      22  }