Mercurial > hg > Members > kono > jpf-core

annotate src/main/gov/nasa/jpf/jvm/bytecode/I2D.java @ 27:8aded593a50f

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fixed the missing class init status update for native clinits. Since we moved that to the clinit RETURN in r24, it has to be duplicated in NATIVERETURN for native clinits. Factoring out to DIRECTCALLRETURN is not an option since there is no good way to determine if the direct call included a clinit (we would have to look at the code, which is suboptimal performance- and change resilience-wise). Thanks to Franz Weitl for the report
author Peter Mehlitz <pcmehlitz@gmail.com>
date Mon, 11 May 2015 12:17:18 -0700
parents 61d41facf527
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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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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.Instruction;
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21 import gov.nasa.jpf.vm.StackFrame;
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22 import gov.nasa.jpf.vm.ThreadInfo;
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23
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24
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25 /**
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26 * Convert int to double
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27 * ..., value => ..., result
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28 */
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29 public class I2D extends Instruction implements JVMInstruction {
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30
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31 @Override
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32 public Instruction execute (ThreadInfo ti) {
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33 StackFrame frame = ti.getModifiableTopFrame();
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34
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35 int ival = frame.pop();
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36
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37 frame.pushDouble(ival);
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38
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39 return getNext(ti);
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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 0x87;
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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 }