gcc/testsuite/gcc.dg/torture/pr69400.c

   1 /* { dg-do run { target int128 } } */
   2
   3 typedef unsigned __int128 u128;
   4
   5 u128 __attribute__((noinline, noclone))
   6 foo(void)
   7 {
   8         u128 u = -2;
   9         u %= 0xffffffffffffffffllu;
  10         return u;
  11 }
  12
  13 int
  14 main()
  15 {
  16         u128 x = foo();
  17         if (x != 0xfffffffffffffffellu)
  18                 __builtin_abort();
  19         return 0;
  20 }