DDIV.java Source File

00001 package gov.nasa.arc.ase.jpf.jvm.bytecode;
00002 
00003 import de.fub.bytecode.generic.InstructionHandle;
00004 import gov.nasa.arc.ase.jpf.*;
00005 import gov.nasa.arc.ase.jpf.jvm.*;
00006 import gov.nasa.arc.ase.util.Debug;
00007 
00008 public class DDIV extends AbstractInstruction {
00009   private de.fub.bytecode.generic.DDIV 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     //** error: not checking for division by zero!  **//
00016 
00017     th.push2(Types.doubleToLong(v2 / v1));
00018 
00019     return th.getPC().getNext();
00020   }  
00021   public void setPeer(de.fub.bytecode.generic.Instruction i) {
00022     peer = (de.fub.bytecode.generic.DDIV)i;
00023   }  
00024 }