gcc/testsuite/gcc.c-torture/execute/20061031-1.c

   1 /* PR rtl-optimization/29631 */
   2 /* Origin: Falk Hueffner <falk@debian.org> */
   3
   4 const signed char nunmap[] = { 17, -1, 1 };
   5
   6 __attribute__((noinline))
   7 void ff(int i) {
   8     asm volatile("");
   9 }
  10
  11 __attribute__((noinline))
  12 void f(short delta)
  13 {
  14     short p0 = 2, s;
  15     for (s = 0; s < 2; s++)
  16     {
  17         p0 += delta;
  18         ff(s);
  19         if (nunmap[p0] == 17)
  20             asm volatile("");
  21     }
  22 }
  23
  24 int main(void)
  25 {
  26     f(-1);
  27     return 0;
  28 }