00001 package gov.nasa.arc.ase.jpf.jvm.bytecode;
00002
00003 import gov.nasa.arc.ase.jpf.*;
00004 import gov.nasa.arc.ase.jpf.jvm.*;
00005 import de.fub.bytecode.generic.InstructionHandle;
00006 import gov.nasa.arc.ase.util.Debug;
00007
00008 public class LNEG extends AbstractInstruction {
00009 private de.fub.bytecode.generic.LNEG peer;
00010
00011 public InstructionHandle execute(SystemState ss, KernelState ks, ThreadInfo th) {
00012 long v = th.pop2();
00013
00014 th.push2(-v);
00015
00016 return th.getPC().getNext();
00017 }
00018 public void setPeer(de.fub.bytecode.generic.Instruction i) {
00019 peer = (de.fub.bytecode.generic.LNEG)i;
00020 }
00021 }
