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 DSUB extends AbstractInstruction {
00009 private de.fub.bytecode.generic.DSUB peer;
00010
00011 public InstructionHandle execute(SystemState ss, KernelState ks, ThreadInfo th) {
00012 double v1 = Types.longToDouble(th.pop2());
00013 double v2 = Types.longToDouble(th.pop2());
00014
00015 th.push2(Types.doubleToLong(v2 - v1));
00016
00017 return th.getPC().getNext();
00018 }
00019 public void setPeer(de.fub.bytecode.generic.Instruction i) {
00020 peer = (de.fub.bytecode.generic.DSUB)i;
00021 }
00022 }
