gcc/testsuite/gcc.c-torture/execute/pr81423.c

   1 /* PR rtl-optimization/81423 */
   2
   3 extern void abort (void);
   4
   5 unsigned long long int ll = 0;
   6 unsigned long long int ull1 = 1ULL;
   7 unsigned long long int ull2 = 12008284144813806346ULL;
   8 unsigned long long int ull3;
   9
  10 unsigned long long int __attribute__ ((noinline))
  11 foo (void)
  12 {
  13   ll = -5597998501375493990LL;
  14
  15   ll = (unsigned int) (5677365550390624949LL - ll) - (ull1 > 0);
  16   unsigned long long int ull3;
  17   ull3 = (unsigned int)
  18     (2067854353LL <<
  19      (((ll + -2129105131LL) ^ 10280750144413668236ULL) -
  20       10280750143997242009ULL)) >> ((2873442921854271231ULL | ull2)
  21                                     - 12098357307243495419ULL);
  22
  23   return ull3;
  24 }
  25
  26 int
  27 main (void)
  28 {
  29   /* We need a long long of exactly 64 bits and int of exactly 32 bits
  30      for this test.  */
  31   if (__SIZEOF_LONG_LONG__ * __CHAR_BIT__ != 64
  32       || __SIZEOF_INT__ * __CHAR_BIT__ != 32)
  33     return 0;
  34
  35   ull3 = foo ();
  36   if (ull3 != 3998784)
  37     abort ();
  38   return 0;
  39 }