1  /* PR tree-optimization/94956 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2" } */
       4  /* { dg-final { scan-assembler-not "\tcmovne\t" } } */
       5  /* { dg-final { scan-assembler-not "\tsete\t" } } */
       6  
       7  int
       8  foo (unsigned x)
       9  {
      10    if (x == 0) __builtin_unreachable ();
      11    return __builtin_ffs (x) - 1;
      12  }
      13  
      14  int
      15  bar (unsigned long x)
      16  {
      17    if (x == 0) __builtin_unreachable ();
      18    return __builtin_ffsl (x) - 1;
      19  }
      20  
      21  #ifdef __x86_64__
      22  int
      23  baz (unsigned long long x)
      24  {
      25    if (x == 0) __builtin_unreachable ();
      26    return __builtin_ffsll (x) - 1;
      27  }
      28  #endif