old-autovect-branch/gcc/testsuite/gcc.c-torture/execute/ieee/20001122-1.c

   1 volatile double a, *p;
   2
   3 int main ()
   4 {
   5   double c, d;
   6   volatile double b;
   7
   8   d = 1.0;
   9   p = &b;
  10   do
  11   {
  12     c = d;
  13     d = c * 0.5;
  14     b = 1 + d;
  15   } while (b != 1.0);
  16
  17   a = 1.0 + c;
  18   if (a == 1.0)
  19     abort();
  20
  21   exit (0);
  22 }