public VariableStack mapStackToLocal(VariableStack stack) {
		VariableStack newStack = stack;
		if (instr != null) {
			int params = instr.getFreeOperandCount();
			if (params > 0) {
				this.stack = stack.peek(params);
				newStack = stack.pop(params);
			}
		}
		if (jump != null)
			jump.stackMap = newStack;
		return null;
	}