1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  
       4  extern int ffs (int) __asm ("__GI_ffs") __attribute__ ((nothrow, const));
       5  
       6  int
       7  ffsll (long long int i)
       8  {
       9    unsigned long long int x = i & -i;
      10    
      11    if (x <= 0xffffffff)
      12      return ffs (i);
      13    else
      14      return 32 + ffs (i >> 32);
      15  }
      16  
      17  /* { dg-final { scan-assembler-not "\nffs\n|\nffs\[^a-zA-Z0-9_\]|\[^a-zA-Z0-9_\]ffs\n" } } */