001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 *  Unless required by applicable law or agreed to in writing, software
012 *  distributed under the License is distributed on an "AS IS" BASIS,
013 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 *  See the License for the specific language governing permissions and
015 *  limitations under the License.
016 *
017 */
018package org.apache.bcel.generic;
019
020/**
021 * LCMP - Compare longs:
022 * <PRE>Stack: ..., value1.word1, value1.word2, value2.word1, value2.word2 -&gt; ..., result &lt;= -1, 0, 1&gt;</PRE>
023 *
024 *
025 */
026public class LCMP extends Instruction implements TypedInstruction, StackProducer, StackConsumer {
027
028    public LCMP() {
029        super(org.apache.bcel.Const.LCMP, (short) 1);
030    }
031
032
033    /** @return Type.LONG
034     */
035    @Override
036    public Type getType( final ConstantPoolGen cp ) {
037        return Type.LONG;
038    }
039
040
041    /**
042     * Call corresponding visitor method(s). The order is:
043     * Call visitor methods of implemented interfaces first, then
044     * call methods according to the class hierarchy in descending order,
045     * i.e., the most specific visitXXX() call comes last.
046     *
047     * @param v Visitor object
048     */
049    @Override
050    public void accept( final Visitor v ) {
051        v.visitTypedInstruction(this);
052        v.visitStackProducer(this);
053        v.visitStackConsumer(this);
054        v.visitLCMP(this);
055    }
056}