gcc/testsuite/gcc.c-torture/execute/pr79354.c

   1 /* PR target/79354 */
   2
   3 int b, f, g;
   4 float e;
   5 unsigned long d;
   6
   7 __attribute__((noinline, noclone)) void
   8 foo (int *a)
   9 {
  10   for (g = 0; g < 32; g++)
  11     if (f)
  12       {
  13         e = d;
  14         __builtin_memcpy (&b, &e, sizeof (float));
  15         b = *a;
  16       }
  17 }
  18
  19 int
  20 main ()
  21 {
  22   int h = 5;
  23   f = 1;
  24   asm volatile ("" : : : "memory");
  25   foo (&h);
  26   asm volatile ("" : : : "memory");
  27   foo (&b);
  28   asm volatile ("" : : : "memory");
  29   return 0;
  30 }