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annotate src/main/gov/nasa/jpf/jvm/bytecode/IF_ICMPEQ.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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3 * Administrator of the National Aeronautics and Space Administration.
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4 * All rights reserved.
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5 *
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6 * The Java Pathfinder core (jpf-core) platform is licensed under the
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7 * Apache License, Version 2.0 (the "License"); you may not use this file except
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8 * in compliance with the License. You may obtain a copy of the License at
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9 *
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10 * http://www.apache.org/licenses/LICENSE-2.0.
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11 *
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12 * Unless required by applicable law or agreed to in writing, software
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13 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 * See the License for the specific language governing permissions and
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16 * limitations under the License.
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17 */
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18 package gov.nasa.jpf.jvm.bytecode;
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19
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20 import gov.nasa.jpf.vm.StackFrame;
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21
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22
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23 /**
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24 * Branch if int comparison succeeds
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25 * ..., value1, value2 => ...
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26 */
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27 public class IF_ICMPEQ extends IfInstruction {
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28
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29 public IF_ICMPEQ(int targetPc) {
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30 super(targetPc);
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31 }
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32
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33
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34 @Override
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35 public boolean popConditionValue (StackFrame frame) {
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36 int v1 = frame.pop();
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37 int v2 = frame.pop();
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38
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39 return (v1 == v2);
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40 }
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41
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42 @Override
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43 public int getByteCode () {
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44 return 0x9F;
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45 }
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46
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47 @Override
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48 public void accept(JVMInstructionVisitor insVisitor) {
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49 insVisitor.visit(this);
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50 }
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51 }