gcc/testsuite/gcc.c-torture/execute/20050111-1.c

   1 /* PR middle-end/19084, rtl-optimization/19348 */
   2
   3 unsigned int
   4 foo (unsigned long long x)
   5 {
   6   unsigned int u;
   7
   8   if (x == 0)
   9     return 0;
  10   u = (unsigned int) (x >> 32);
  11   return u;
  12 }
  13
  14 unsigned long long
  15 bar (unsigned short x)
  16 {
  17   return (unsigned long long) x << 32;
  18 }
  19
  20 extern void abort (void);
  21
  22 int
  23 main (void)
  24 {
  25   if (sizeof (long long) != 8)
  26     return 0;
  27
  28   if (foo (0) != 0)
  29     abort ();
  30   if (foo (0xffffffffULL) != 0)
  31     abort ();
  32   if (foo (0x25ff00ff00ULL) != 0x25)
  33     abort ();
  34   if (bar (0) != 0)
  35     abort ();
  36   if (bar (0x25) != 0x2500000000ULL)
  37     abort ();
  38   return 0;
  39 }