1  /* Copyright (C) 2006 Free Software Foundation, Inc. */
       2  /* Contributed by Carlos O'Donell on 2006-01-30 */
       3  
       4  /* Test a division corner case where the expression simplifies
       5     to a comparison, and the optab expansion is wrong. The optab 
       6     expansion emits a function whose return is unbiased and needs
       7     adjustment. */
       8  /* Origin: Carlos O'Donell <carlos@codesourcery.com> */
       9  /* { dg-do run } */
      10  /* { dg-options "" } */
      11  #include <stdlib.h>
      12  
      13  #define BIG_CONSTANT 0xFFFFFFFF80000000ULL
      14  
      15  int main (void)
      16  {
      17    unsigned long long OneULL = 1ULL;
      18    unsigned long long result;
      19  
      20    result = OneULL / BIG_CONSTANT; 
      21    if (result)
      22      abort ();
      23    exit (0);
      24  }