(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.c-torture/
execute/
20040629-1.c
       1  /* { dg-require-effective-target int32plus } */
       2  
       3  /* Test arithmetics on bitfields.  */
       4  #ifndef T
       5  
       6  extern void abort (void);
       7  extern void exit (int);
       8  
       9  #ifndef FIELDS1
      10  #define FIELDS1
      11  #endif
      12  #ifndef FIELDS2
      13  #define FIELDS2
      14  #endif
      15  
      16  struct { FIELDS1 unsigned int i : 6, j : 11, k : 15; FIELDS2 } b;
      17  struct { FIELDS1 unsigned int i : 5, j : 1, k : 26; FIELDS2 } c;
      18  struct { FIELDS1 unsigned int i : 16, j : 8, k : 8; FIELDS2 } d;
      19  
      20  unsigned int ret1 (void) { return b.i; }
      21  unsigned int ret2 (void) { return b.j; }
      22  unsigned int ret3 (void) { return b.k; }
      23  unsigned int ret4 (void) { return c.i; }
      24  unsigned int ret5 (void) { return c.j; }
      25  unsigned int ret6 (void) { return c.k; }
      26  unsigned int ret7 (void) { return d.i; }
      27  unsigned int ret8 (void) { return d.j; }
      28  unsigned int ret9 (void) { return d.k; }
      29  
      30  #define T(n, pre, post, op) 					\
      31  void fn1_##n (unsigned int x) { pre b.i post; }			\
      32  void fn2_##n (unsigned int x) { pre b.j post; }			\
      33  void fn3_##n (unsigned int x) { pre b.k post; }			\
      34  void fn4_##n (unsigned int x) { pre c.i post; }			\
      35  void fn5_##n (unsigned int x) { pre c.j post; }			\
      36  void fn6_##n (unsigned int x) { pre c.k post; }			\
      37  void fn7_##n (unsigned int x) { pre d.i post; }			\
      38  void fn8_##n (unsigned int x) { pre d.j post; }			\
      39  void fn9_##n (unsigned int x) { pre d.k post; }
      40  
      41  #include "20040629-1.c"
      42  #undef T
      43  
      44  #define FAIL(n, i) abort ()
      45  
      46  int
      47  main (void)
      48  {
      49  #define T(n, pre, post, op)					\
      50    b.i = 51;							\
      51    b.j = 636;							\
      52    b.k = 31278;							\
      53    c.i = 21;							\
      54    c.j = 1;							\
      55    c.k = 33554432;						\
      56    d.i = 26812;							\
      57    d.j = 156;							\
      58    d.k = 187;							\
      59    fn1_##n (3);							\
      60    if (ret1 () != (op (51, 3) & ((1 << 6) - 1)))			\
      61      FAIL (n, 1);						\
      62    b.i = 51;							\
      63    fn2_##n (251);						\
      64    if (ret2 () != (op (636, 251) & ((1 << 11) - 1)))		\
      65      FAIL (n, 2);						\
      66    b.j = 636;							\
      67    fn3_##n (13279);						\
      68    if (ret3 () != (op (31278, 13279) & ((1 << 15) - 1)))		\
      69      FAIL (n, 3);						\
      70    b.j = 31278;							\
      71    fn4_##n (24);							\
      72    if (ret4 () != (op (21, 24) & ((1 << 5) - 1)))		\
      73      FAIL (n, 4);						\
      74    c.i = 21;							\
      75    fn5_##n (1);							\
      76    if (ret5 () != (op (1, 1) & ((1 << 1) - 1)))			\
      77      FAIL (n, 5);						\
      78    c.j = 1;							\
      79    fn6_##n (264151);						\
      80    if (ret6 () != (op (33554432, 264151) & ((1 << 26) - 1)))	\
      81      FAIL (n, 6);						\
      82    c.k = 33554432;						\
      83    fn7_##n (713);						\
      84    if (ret7 () != (op (26812, 713) & ((1 << 16) - 1)))		\
      85      FAIL (n, 7);						\
      86    d.i = 26812;							\
      87    fn8_##n (17);							\
      88    if (ret8 () != (op (156, 17) & ((1 << 8) - 1)))		\
      89      FAIL (n, 8);						\
      90    d.j = 156;							\
      91    fn9_##n (199);						\
      92    if (ret9 () != (op (187, 199) & ((1 << 8) - 1)))		\
      93      FAIL (n, 9);						\
      94    d.k = 187;
      95  
      96  #include "20040629-1.c"
      97  #undef T
      98    return 0;
      99  }
     100  
     101  #else
     102  
     103  #ifndef opadd
     104  #define opadd(x, y) (x + y)
     105  #define opsub(x, y) (x - y)
     106  #define opinc(x, y) (x + 1)
     107  #define opdec(x, y) (x - 1)
     108  #define opand(x, y) (x & y)
     109  #define opior(x, y) (x | y)
     110  #define opxor(x, y) (x ^ y)
     111  #define opdiv(x, y) (x / y)
     112  #define oprem(x, y) (x % y)
     113  #define opadd3(x, y) (x + 3)
     114  #define opsub7(x, y) (x - 7)
     115  #define opand21(x, y) (x & 21)
     116  #define opior19(x, y) (x | 19)
     117  #define opxor37(x, y) (x ^ 37)
     118  #define opdiv17(x, y) (x / 17)
     119  #define oprem19(x, y) (x % 19)
     120  #endif
     121  
     122  T(1, , += x, opadd)
     123  T(2, ++, , opinc)
     124  T(3, , ++, opinc)
     125  T(4, , -= x, opsub)
     126  T(5, --, , opdec)
     127  T(6, , --, opdec)
     128  T(7, , &= x, opand)
     129  T(8, , |= x, opior)
     130  T(9, , ^= x, opxor)
     131  T(a, , /= x, opdiv)
     132  T(b, , %= x, oprem)
     133  T(c, , += 3, opadd3)
     134  T(d, , -= 7, opsub7)
     135  T(e, , &= 21, opand21)
     136  T(f, , |= 19, opior19)
     137  T(g, , ^= 37, opxor37)
     138  T(h, , /= 17, opdiv17)
     139  T(i, , %= 19, oprem19)
     140  
     141  #endif