1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  
       4  /* { dg-final { scan-assembler-times "bset" 1 } } */
       5  /* { dg-final { scan-assembler-times "bchg" 1 } } */
       6  /* { dg-final { scan-assembler-times "bclr" 1 } } */
       7  
       8  int bar (void);
       9  
      10  int
      11  foo1 (int b)
      12  {
      13    int a = bar ();
      14    return ( a | (1 << (b & 31)));
      15  }
      16  
      17  int
      18  foo2 (int b)
      19  {
      20    int a = bar ();
      21    return ( a ^ (1 << (b & 31)));
      22  }
      23  
      24  
      25  int
      26  foo3 (int b)
      27  {
      28    int a = bar ();
      29    return ( a & ~(1 << (b & 31)));
      30  }
      31  
      32