gcc/testsuite/gcc.c-torture/execute/991118-1.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 tmp3
  14 {
  15   long long int pad : 11;
  16   long long int field : 53;
  17 };
  18
  19 struct tmp4
  20 {
  21   long long int field : 53;
  22   long long int pad : 11;
  23 };
  24
  25 struct tmp
  26 sub (struct tmp tmp)
  27 {
  28   tmp.field ^= 0x0008765412345678LL;
  29   return tmp;
  30 }
  31
  32 struct tmp2
  33 sub2 (struct tmp2 tmp2)
  34 {
  35   tmp2.field ^= 0x0008765412345678LL;
  36   return tmp2;
  37 }
  38
  39 struct tmp3
  40 sub3 (struct tmp3 tmp3)
  41 {
  42   tmp3.field ^= 0x0018765412345678LL;
  43   return tmp3;
  44 }
  45
  46 struct tmp4
  47 sub4 (struct tmp4 tmp4)
  48 {
  49   tmp4.field ^= 0x0018765412345678LL;
  50   return tmp4;
  51 }
  52
  53 struct tmp tmp = {0x123, 0x123456789ABCDLL};
  54 struct tmp2 tmp2 = {0x123456789ABCDLL, 0x123};
  55 struct tmp3 tmp3 = {0x123, 0x1FFFF00000000LL};
  56 struct tmp4 tmp4 = {0x1FFFF00000000LL, 0x123};
  57
  58 main()
  59 {
  60
  61   if (sizeof (long long) != 8)
  62     exit (0);
  63
  64   tmp = sub (tmp);
  65   tmp2 = sub2 (tmp2);
  66
  67   if (tmp.pad != 0x123 || tmp.field != 0xFFF9551175BDFDB5LL)
  68     abort ();
  69   if (tmp2.pad != 0x123 || tmp2.field != 0xFFF9551175BDFDB5LL)
  70     abort ();
  71
  72   tmp3 = sub3 (tmp3);
  73   tmp4 = sub4 (tmp4);
  74   if (tmp3.pad != 0x123 || tmp3.field != 0xFFF989AB12345678LL)
  75     abort ();
  76   if (tmp4.pad != 0x123 || tmp4.field != 0xFFF989AB12345678LL)
  77     abort ();
  78   exit (0);
  79 }