GET_BIT
pin_value = GET_BIT(val, index);
if (GET_BIT(sc->cache.out_known[group], bit)) {
val = GET_BIT(sc->cache.out[group], bit);
return (GET_BIT(val, bit));
if (GET_BIT(sc->cache.out_known[group], bit) &&
GET_BIT(sc->cache.out[group], bit) == val) {
b = GET_BIT(val, bit);