gcc/testsuite/gcc.c-torture/execute/930529-1.c

   1 /* { dg-options { "-fwrapv" } } */
   2
   3 extern void abort (void);
   4 extern void exit (int);
   5
   6 int dd (int x, int d) { return x / d; }
   7
   8 int
   9 main ()
  10 {
  11   int i;
  12   for (i = -3; i <= 3; i++)
  13     {
  14       if (dd (i, 1) != i / 1)
  15         abort ();
  16       if (dd (i, 2) != i / 2)
  17         abort ();
  18       if (dd (i, 3) != i / 3)
  19         abort ();
  20       if (dd (i, 4) != i / 4)
  21         abort ();
  22       if (dd (i, 5) != i / 5)
  23         abort ();
  24       if (dd (i, 6) != i / 6)
  25         abort ();
  26       if (dd (i, 7) != i / 7)
  27         abort ();
  28       if (dd (i, 8) != i / 8)
  29         abort ();
  30     }
  31   for (i = ((unsigned) ~0 >> 1) - 3; i <= ((unsigned) ~0 >> 1) + 3; i++)
  32     {
  33       if (dd (i, 1) != i / 1)
  34         abort ();
  35       if (dd (i, 2) != i / 2)
  36         abort ();
  37       if (dd (i, 3) != i / 3)
  38         abort ();
  39       if (dd (i, 4) != i / 4)
  40         abort ();
  41       if (dd (i, 5) != i / 5)
  42         abort ();
  43       if (dd (i, 6) != i / 6)
  44         abort ();
  45       if (dd (i, 7) != i / 7)
  46         abort ();
  47       if (dd (i, 8) != i / 8)
  48         abort ();
  49     }
  50   exit (0);
  51 }