old-autovect-branch/gcc/testsuite/gcc.c-torture/compile/930523-1.c

   1 int v;
   2
   3 f ()
   4 {
   5   unsigned long *a1, *a2;
   6   int vertex2;
   7   int c, x1, x2, dx1, dx2, dy1, dy2, e1, e2, s2;
   8   unsigned long m, b;
   9   int n;
  10   unsigned long r;
  11   int aba;
  12
  13   do
  14     {
  15       if (dx2 >= dy2)
  16         dx2 = dx2 % dy2;
  17
  18       if (dx2 >= dy2)
  19         {
  20           s2 = - (dx2 / dy2);
  21           dx2 = dx2 % dy2;
  22         }
  23     }
  24   while (vertex2 / 65536);
  25
  26   for (;;)
  27     {
  28       c = x2;
  29       a2 = a1;
  30       if (v)
  31         a2 = 0;
  32
  33       if (c + n)
  34         {
  35           m = b << (c * 8);
  36           *a2 = (*a2 & ~m) | (r & m);
  37           n += c;
  38
  39           while (--n)
  40             {
  41               {
  42               }
  43             }
  44         }
  45
  46       a1 = 0;
  47       x1 += 0;
  48       if (e1 += dx1)
  49         e1 -= dy1;
  50       x2 += s2;
  51       if (e2 += dx2)
  52         e2 -= dy2;
  53     }
  54 }