git.sur5r.net Git - cc65/blob - test/val/computedgoto.c

   1 static unsigned char val, val2;
   2
   3 static void act(const unsigned char op) {
   4
   5         static const void * const arr[] = {
   6                 &&op0,
   7                 &&op1,
   8                 &&op2,
   9                 &&op3,
  10                 &&op4,
  11                 &&op5,
  12                 &&op6,
  13         };
  14
  15         goto *arr[op];
  16
  17         op0:
  18         val += 1;
  19         return;
  20
  21         op1:
  22         val += 2;
  23         return;
  24
  25         op2:
  26         val += 3;
  27         return;
  28
  29         op3:
  30         val2 += 1;
  31         return;
  32
  33         op4:
  34         val2 += 5;
  35         return;
  36
  37         op5:
  38         val2 += 7;
  39         return;
  40
  41         op6:
  42         val2 += 9;
  43         return;
  44 }
  45
  46 int main(void) {
  47
  48         val = val2 = 0;
  49
  50         act(1);
  51         act(3);
  52         act(5);
  53
  54         return val == 2 && val2 == 8 ? 0 : 1;
  55 }