gcc/testsuite/gcc.c-torture/execute/pr82192.c

   1 /* PR rtl-optimization/82192 */
   2
   3 unsigned long long int a = 0x95dd3d896f7422e2ULL;
   4 struct S { unsigned int m : 13; } b;
   5
   6 __attribute__((noinline, noclone)) void
   7 foo (void)
   8 {
   9   b.m = ((unsigned) a) >> (0x644eee9667723bf7LL
  10                            | a & ~0xdee27af8U) - 0x644eee9667763bd8LL;
  11 }
  12
  13 int
  14 main ()
  15 {
  16   if (__INT_MAX__ != 0x7fffffffULL)
  17     return 0;
  18   foo ();
  19   if (b.m != 0)
  20     __builtin_abort ();
  21   return 0;
  22 }