registerPool.release(l.getLocation());
RegisterLocation regLoc = (RegisterLocation) l.getLocation(); registerPool.release(regLoc.getRegister());
	private void expireOldRange(LiveRange lr) {		for (int i=0; i<active.size(); i+=1) {			LiveRange l = (LiveRange) active.get(i);			if (l.getLastUseAddress() >= lr.getAssignAddress()) {				return;			}			active.remove(l);			registerPool.release(l.getLocation());		}	}