gnu/dist/gcc4/gcc/testsuite/gcc.c-torture/execute/bf64-1.c

   1 struct tmp
   2 {
   3   long long int pad : 12;
   4   long long int field : 52;
   5 };
   6
   7 struct tmp2
   8 {
   9   long long int field : 52;
  10   long long int pad : 12;
  11 };
  12
  13 struct tmp
  14 sub (struct tmp tmp)
  15 {
  16   tmp.field |= 0x0008765412345678LL;
  17   return tmp;
  18 }
  19
  20 struct tmp2
  21 sub2 (struct tmp2 tmp2)
  22 {
  23   tmp2.field |= 0x0008765412345678LL;
  24   return tmp2;
  25 }
  26
  27 main()
  28 {
  29   struct tmp tmp = {0x123, 0xFFF000FFF000FLL};
  30   struct tmp2 tmp2 = {0xFFF000FFF000FLL, 0x123};
  31
  32   tmp = sub (tmp);
  33   tmp2 = sub2 (tmp2);
  34
  35   if (tmp.pad != 0x123 || tmp.field != 0xFFFFFF541FFF567FLL)
  36     abort ();
  37   if (tmp2.pad != 0x123 || tmp2.field != 0xFFFFFF541FFF567FLL)
  38     abort ();
  39   exit (0);
  40 }