gcc/testsuite/gcc.c-torture/execute/bf64-1.c

   1 /* { dg-xfail-if "ABI specifies bitfields cannot exceed 32 bits" { mcore-*-* } } */
   2 struct tmp
   3 {
   4   long long int pad : 12;
   5   long long int field : 52;
   6 };
   7
   8 struct tmp2
   9 {
  10   long long int field : 52;
  11   long long int pad : 12;
  12 };
  13
  14 struct tmp
  15 sub (struct tmp tmp)
  16 {
  17   tmp.field |= 0x0008765412345678LL;
  18   return tmp;
  19 }
  20
  21 struct tmp2
  22 sub2 (struct tmp2 tmp2)
  23 {
  24   tmp2.field |= 0x0008765412345678LL;
  25   return tmp2;
  26 }
  27
  28 main()
  29 {
  30   struct tmp tmp = {0x123, 0xFFF000FFF000FLL};
  31   struct tmp2 tmp2 = {0xFFF000FFF000FLL, 0x123};
  32
  33   tmp = sub (tmp);
  34   tmp2 = sub2 (tmp2);
  35
  36   if (tmp.pad != 0x123 || tmp.field != 0xFFFFFF541FFF567FLL)
  37     abort ();
  38   if (tmp2.pad != 0x123 || tmp2.field != 0xFFFFFF541FFF567FLL)
  39     abort ();
  40   exit (0);
  41 }