gcc/testsuite/gcc.c-torture/execute/pr57829.c

   1 /* PR rtl-optimization/57829 */
   2
   3 __attribute__((noinline, noclone))
   4 int
   5 f1 (int k)
   6 {
   7   return 2 | ((k - 1) >> ((int) sizeof (int) * __CHAR_BIT__ - 1));
   8 }
   9
  10 __attribute__((noinline, noclone))
  11 long int
  12 f2 (long int k)
  13 {
  14   return 2L | ((k - 1L) >> ((int) sizeof (long int) * __CHAR_BIT__ - 1));
  15 }
  16
  17 __attribute__((noinline, noclone))
  18 int
  19 f3 (int k)
  20 {
  21   k &= 63;
  22   return 4 | ((k + 2) >> 5);
  23 }
  24
  25 int
  26 main ()
  27 {
  28   if (f1 (1) != 2 || f2 (1L) != 2L || f3 (63) != 6 || f3 (1) != 4)
  29     __builtin_abort ();
  30   return 0;
  31 }