gcc/testsuite/gcc.c-torture/execute/pr40057.c

   1 /* PR middle-end/40057 */
   2
   3 extern void abort (void);
   4
   5 __attribute__((noinline)) int
   6 foo (unsigned long long x)
   7 {
   8   unsigned long long y = (x >> 31ULL) & 1ULL;
   9   if (y == 0ULL)
  10     return 0;
  11   return -1;
  12 }
  13
  14 __attribute__((noinline)) int
  15 bar (long long x)
  16 {
  17   long long y = (x >> 31LL) & 1LL;
  18   if (y == 0LL)
  19     return 0;
  20   return -1;
  21 }
  22
  23 int
  24 main (void)
  25 {
  26   if (sizeof (long long) != 8)
  27     return 0;
  28   if (foo (0x1682a9aaaULL))
  29     abort ();
  30   if (!foo (0x1882a9aaaULL))
  31     abort ();
  32   if (bar (0x1682a9aaaLL))
  33     abort ();
  34   if (!bar (0x1882a9aaaLL))
  35     abort ();
  36   return 0;
  37 }