gcc/testsuite/gcc.c-torture/execute/bitfld-5.c

   1 /* See http://gcc.gnu.org/ml/gcc/2009-06/msg00072.html.  */
   2
   3 extern void abort (void);
   4
   5 struct s
   6 {
   7   unsigned long long a:2;
   8   unsigned long long b:40;
   9   unsigned long long c:22;
  10 };
  11
  12 __attribute__ ((noinline)) void
  13 g (unsigned long long a, unsigned long long b)
  14 {
  15   asm ("");
  16   if (a != b)
  17     abort ();
  18 }
  19
  20 __attribute__ ((noinline)) void
  21 f (struct s s, unsigned long long b)
  22 {
  23   asm ("");
  24   g (((unsigned long long) (s.b-8)) + 8, b);
  25 }
  26
  27 int
  28 main ()
  29 {
  30   struct s s = {1, 10, 3};
  31   struct s t = {1, 2, 3};
  32   f (s, 10);
  33   f (t, 0x10000000002);
  34   return 0;
  35 }