1  /* Test that operations on bit-fields yield results reduced to bit-field
       2     type.  */
       3  /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
       4  
       5  extern void exit (int);
       6  extern void abort (void);
       7  
       8  struct s {
       9    unsigned long long u33: 33;
      10    unsigned long long u40: 40;
      11    unsigned long long u41: 41;
      12  };
      13  
      14  struct s a = { 0x100000, 0x100000, 0x100000 };
      15  struct s b = { 0x100000000ULL, 0x100000000ULL, 0x100000000ULL };
      16  struct s c = { 0x1FFFFFFFFULL, 0, 0 };
      17  
      18  int 
      19  main (void)
      20  {
      21    if (a.u33 * a.u33 != 0 || a.u33 * a.u40 != 0 || a.u40 * a.u33 != 0
      22        || a.u40 * a.u40 != 0)
      23      abort ();
      24    if (a.u33 * a.u41 != 0x10000000000ULL
      25        || a.u40 * a.u41 != 0x10000000000ULL
      26        || a.u41 * a.u33 != 0x10000000000ULL
      27        || a.u41 * a.u40 != 0x10000000000ULL
      28        || a.u41 * a.u41 != 0x10000000000ULL)
      29      abort ();
      30    if (b.u33 + b.u33 != 0)
      31      abort ();
      32    if (b.u33 + b.u40 != 0x200000000ULL
      33        || b.u33 + b.u41 != 0x200000000ULL
      34        || b.u40 + b.u33 != 0x200000000ULL
      35        || b.u40 + b.u40 != 0x200000000ULL
      36        || b.u40 + b.u41 != 0x200000000ULL
      37        || b.u41 + b.u33 != 0x200000000ULL
      38        || b.u41 + b.u40 != 0x200000000ULL
      39        || b.u41 + b.u41 != 0x200000000ULL)
      40      abort ();
      41    if (a.u33 - b.u33 != 0x100100000ULL
      42        || a.u33 - b.u40 != 0xFF00100000ULL
      43        || a.u33 - b.u41 != 0x1FF00100000ULL
      44        || a.u40 - b.u33 != 0xFF00100000ULL
      45        || a.u40 - b.u40 != 0xFF00100000ULL
      46        || a.u40 - b.u41 != 0x1FF00100000ULL
      47        || a.u41 - b.u33 != 0x1FF00100000ULL
      48        || a.u41 - b.u40 != 0x1FF00100000ULL
      49        || a.u41 - b.u41 != 0x1FF00100000ULL)
      50      abort ();
      51    if (++c.u33 != 0 || --c.u40 != 0xFFFFFFFFFFULL || c.u41-- != 0)
      52      abort ();
      53    exit (0);
      54  }