external printf

globals (x)
  l11: jumpif eq 1, 1 -> l17, l20;
  l17: %rdi <- copy "eq\n";
  l18: printf();
  l19: exit;
  l20: %rdi <- copy "not eq\n";
  l21: %rax <- copy 0;
  l22: printf();
  l23: exit;
end