1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -mbmi" } */
       3  /* { dg-final { scan-assembler-times "andn\[ \\t\]" 2 } } */
       4  /* { dg-final { scan-assembler-not "xorl\[ \\t\]" } } */
       5  
       6  unsigned r1(unsigned a, unsigned b, unsigned mask)
       7  {
       8    return a ^ ((a ^ b) & mask);
       9  }
      10  
      11  unsigned r2(unsigned a, unsigned b, unsigned mask)
      12  {
      13    return (~mask & a) | (b & mask);
      14  }