Example usage for org.objectweb.asm Opcodes IFGE

List of usage examples for org.objectweb.asm Opcodes IFGE

Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes IFGE.

Prototype

int IFGE

To view the source code for org.objectweb.asm Opcodes IFGE.

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Usage

From source file:de.scoopgmbh.copper.instrument.BuildStackInfoAdapter.java

License:Apache License

@Override
public void visitJumpInsn(int arg0, Label arg1) {
    savePreviousFrame();// w  ww  .  j a v a 2s.  c  o m
    switch (arg0) {
    case Opcodes.IF_ACMPEQ:
    case Opcodes.IF_ACMPNE:
    case Opcodes.IF_ICMPEQ:
    case Opcodes.IF_ICMPGE:
    case Opcodes.IF_ICMPGT:
    case Opcodes.IF_ICMPLE:
    case Opcodes.IF_ICMPLT:
    case Opcodes.IF_ICMPNE:
        currentFrame.popStack();
    case Opcodes.IFEQ:
    case Opcodes.IFGE:
    case Opcodes.IFGT:
    case Opcodes.IFLE:
    case Opcodes.IFLT:
    case Opcodes.IFNE:
    case Opcodes.IFNONNULL:
    case Opcodes.IFNULL:
        currentFrame.popStack();
    case Opcodes.GOTO:
        forwardFrames.put(arg1, new StackInfo(currentFrame));
        break;
    case Opcodes.JSR:
        currentFrame.pushStack(retAddressType);
        forwardFrames.put(arg1, new StackInfo(currentFrame));
        break;
    default:
        logger.debug("Unhandled: ");
    }
    if (logger.isDebugEnabled())
        logger.debug("jumpInsn " + getOpCode(arg0) + " " + arg1);
    delegate.visitJumpInsn(arg0, arg1);
}

From source file:de.tuberlin.uebb.jbop.optimizer.controlflow.ConstantIfInliner.java

License:Open Source License

private boolean evalSingleOpValue(final Number op1, final int opcode) {
    switch (opcode) {
    case Opcodes.IFEQ:
        return op1.intValue() == 0;
    case Opcodes.IFNE:
        return op1.intValue() != 0;
    case Opcodes.IFLT:
        return op1.intValue() < 0;
    case Opcodes.IFGE:
        return op1.intValue() >= 0;
    case Opcodes.IFGT:
        return op1.intValue() > 0;
    case Opcodes.IFLE:
        return op1.intValue() <= 0;
    case Opcodes.IFNULL:
        return op1 == null;
    case Opcodes.IFNONNULL:
        return op1 != null;
    default:/*  w ww.  j  a va 2 s.  c o  m*/
        return false;
    }
}

From source file:de.tuberlin.uebb.jbop.optimizer.loop.ForLoop.java

License:Open Source License

private boolean eval(final int i, final int loopCount, final int ifNode) {
    if (ifNode == Opcodes.IF_ICMPLE) {
        return i <= loopCount;
    }//from  w  w  w.  ja va 2  s .c  o m
    if (ifNode == Opcodes.IF_ICMPEQ) {
        return i == loopCount;
    }
    if (ifNode == Opcodes.IF_ICMPGE) {
        return i >= loopCount;
    }
    if (ifNode == Opcodes.IF_ICMPGT) {
        return i > loopCount;
    }
    if (ifNode == Opcodes.IF_ICMPLT) {
        return i < loopCount;
    }
    if (ifNode == Opcodes.IF_ICMPNE) {
        return i != loopCount;
    }
    if (ifNode == Opcodes.IFGE) {
        return i >= 0;
    }
    if (ifNode == Opcodes.IFEQ) {
        return i == 0;
    }
    if (ifNode == Opcodes.IFGT) {
        return i > 0;
    }
    if (ifNode == Opcodes.IFLE) {
        return i <= 0;
    }
    if (ifNode == Opcodes.IFLT) {
        return i < 0;
    }
    if (ifNode == Opcodes.IFNE) {
        return i != 0;
    }
    return false;
}

From source file:de.unisb.cs.st.javaslicer.common.classRepresentation.instructions.JumpInstruction.java

License:Open Source License

@Override
public String toString() {
    String condition;// www  . j  a  v a 2 s. c o m
    switch (getOpcode()) {
    case Opcodes.IFEQ:
        condition = "IFEQ";
        break;
    case Opcodes.IFNE:
        condition = "IFNE";
        break;
    case Opcodes.IFLT:
        condition = "IFLT";
        break;
    case Opcodes.IFGE:
        condition = "IFGE";
        break;
    case Opcodes.IFGT:
        condition = "IFGT";
        break;
    case Opcodes.IFLE:
        condition = "IFLE";
        break;
    case Opcodes.IF_ICMPEQ:
        condition = "IF_ICMPEQ";
        break;
    case Opcodes.IF_ICMPNE:
        condition = "IF_ICMPNE";
        break;
    case Opcodes.IF_ICMPLT:
        condition = "IF_ICMPLT";
        break;
    case Opcodes.IF_ICMPGE:
        condition = "IF_ICMPGE";
        break;
    case Opcodes.IF_ICMPGT:
        condition = "IF_ICMPGT";
        break;
    case Opcodes.IF_ICMPLE:
        condition = "IF_ICMPLE";
        break;
    case Opcodes.IF_ACMPEQ:
        condition = "IF_ACMPEQ";
        break;
    case Opcodes.IF_ACMPNE:
        condition = "IF_ACMPNE";
        break;
    case Opcodes.GOTO:
        condition = "GOTO";
        break;
    case Opcodes.JSR:
        condition = "JSR";
        break;
    case Opcodes.IFNULL:
        condition = "IFNULL";
        break;
    case Opcodes.IFNONNULL:
        condition = "IFNONNULL";
        break;
    default:
        assert false;
        condition = "--ERROR--";
        break;
    }

    return condition + " " + this.label;
}

From source file:de.unisb.cs.st.javaslicer.common.classRepresentation.instructions.JumpInstruction2.java

License:Open Source License

@Override
public String toString() {
    String condition;/* w  ww .  j a v a 2  s. c o m*/
    switch (getOpcode()) {
    case Opcodes.IFEQ:
        condition = "IFEQ";
        break;
    case Opcodes.IFNE:
        condition = "IFNE";
        break;
    case Opcodes.IFLT:
        condition = "IFLT";
        break;
    case Opcodes.IFGE:
        condition = "IFGE";
        break;
    case Opcodes.IFGT:
        condition = "IFGT";
        break;
    case Opcodes.IFLE:
        condition = "IFLE";
        break;
    case Opcodes.IF_ICMPEQ:
        condition = "IF_ICMPEQ";
        break;
    case Opcodes.IF_ICMPNE:
        condition = "IF_ICMPNE";
        break;
    case Opcodes.IF_ICMPLT:
        condition = "IF_ICMPLT";
        break;
    case Opcodes.IF_ICMPGE:
        condition = "IF_ICMPGE";
        break;
    case Opcodes.IF_ICMPGT:
        condition = "IF_ICMPGT";
        break;
    case Opcodes.IF_ICMPLE:
        condition = "IF_ICMPLE";
        break;
    case Opcodes.IF_ACMPEQ:
        condition = "IF_ACMPEQ";
        break;
    case Opcodes.IF_ACMPNE:
        condition = "IF_ACMPNE";
        break;
    case Opcodes.GOTO:
        condition = "GOTO";
        break;
    case Opcodes.JSR:
        condition = "JSR";
        break;
    case Opcodes.IFNULL:
        condition = "IFNULL";
        break;
    case Opcodes.IFNONNULL:
        condition = "IFNONNULL";
        break;
    default:
        assert false;
        condition = "--ERROR--";
        break;
    }

    return condition + " " + this.target;
}

From source file:dyco4j.instrumentation.internals.InitTracingMethodVisitor.java

License:BSD License

@Override
public void visitJumpInsn(final int opcode, final Label label) {
    mv.visitJumpInsn(opcode, label);//w ww  . ja  va 2  s  . c  o m
    switch (opcode) {
    case Opcodes.IFEQ:
    case Opcodes.IFNE:
    case Opcodes.IFLT:
    case Opcodes.IFGE:
    case Opcodes.IFGT:
    case Opcodes.IFLE:
    case Opcodes.IFNULL:
    case Opcodes.IFNONNULL:
        this.stackFrame.pop();
        break;
    case Opcodes.IF_ICMPEQ:
    case Opcodes.IF_ICMPNE:
    case Opcodes.IF_ICMPLT:
    case Opcodes.IF_ICMPGE:
    case Opcodes.IF_ICMPGT:
    case Opcodes.IF_ICMPLE:
    case Opcodes.IF_ACMPEQ:
    case Opcodes.IF_ACMPNE:
        this.stackFrame.pop();
        this.stackFrame.pop();
        break;
    case Opcodes.JSR:
        this.stackFrame.push(OTHER);
        break;
    }
    addBranch(label);
}

From source file:edu.mit.streamjit.util.bytecode.MethodResolver.java

License:Open Source License

private void interpret(JumpInsnNode insn, FrameState frame, BBInfo block) {
    //All JumpInsnNodes have a target.  Find it.
    BBInfo target = blockByInsn(insn.label);
    assert target != null;

    if (insn.getOpcode() == Opcodes.GOTO) {
        block.block.instructions().add(new JumpInst(target.block));
        return;//from   ww  w  .ja v a2 s.  c o  m
    } else if (insn.getOpcode() == Opcodes.JSR)
        throw new UnsupportedOperationException("jsr not supported; upgrade to Java 6-era class files");

    //Remaining opcodes are branches.
    BBInfo fallthrough = blocks.get(blocks.indexOf(block) + 1);
    BranchInst.Sense sense = OPCODE_TO_SENSE.get(insn.getOpcode());
    //The second operand may come from the stack or may be a constant 0 or null.
    Value right;
    switch (insn.getOpcode()) {
    case Opcodes.IFEQ:
    case Opcodes.IFNE:
    case Opcodes.IFLT:
    case Opcodes.IFGE:
    case Opcodes.IFGT:
    case Opcodes.IFLE:
        right = module.constants().getConstant(0);
        break;
    case Opcodes.IFNULL:
    case Opcodes.IFNONNULL:
        right = module.constants().getNullConstant();
        break;
    case Opcodes.IF_ICMPEQ:
    case Opcodes.IF_ICMPNE:
    case Opcodes.IF_ICMPLT:
    case Opcodes.IF_ICMPGE:
    case Opcodes.IF_ICMPGT:
    case Opcodes.IF_ICMPLE:
    case Opcodes.IF_ACMPEQ:
    case Opcodes.IF_ACMPNE:
        right = frame.stack.pop();
        break;
    default:
        throw new AssertionError("Can't happen! Branch opcode missing? " + insn.getOpcode());
    }
    //First operand always comes from the stack.
    Value left = frame.stack.pop();
    block.block.instructions().add(new BranchInst(left, sense, right, target.block, fallthrough.block));
}

From source file:edu.umd.cs.guitar.testcase.plugin.edg.ClassDBVisitor.java

License:Open Source License

@Override
public void visitJumpInsn(int opcode, Label label) {
    currentMethod.setEmpty(false);//from   w w w. j ava 2s .co m
    currentMethod.setEmpty(false);
    switch (opcode) {
    case Opcodes.IFEQ:
    case Opcodes.IFNE:
    case Opcodes.IFLT:
    case Opcodes.IFGE:
    case Opcodes.IFGT:
    case Opcodes.IFLE:
    case Opcodes.IF_ICMPEQ:
    case Opcodes.IF_ICMPNE:
    case Opcodes.IF_ICMPLT:
    case Opcodes.IF_ICMPGE:
    case Opcodes.IF_ICMPGT:
    case Opcodes.IF_ICMPLE:
    case Opcodes.IF_ACMPEQ:
    case Opcodes.IF_ACMPNE:
        //      case Opcodes.GOTO:
        //      case Opcodes.JSR:
    case Opcodes.IFNULL:
    case Opcodes.IFNONNULL:
        // add all label reads/writes as condition reads/writes
        currentMethod.getConditionReads().addAll(labelReads);
        currentMethod.getConditionWrites().addAll(labelWrites);
        break;
    }
}

From source file:gnu.classpath.tools.rmic.ClassRmicCompiler.java

License:Open Source License

private void generateSkel() throws IOException {
    skelname = fullclassname + "_Skel";
    String skelclassname = classname + "_Skel";
    File file = new File(destination == null ? ""
            : destination + File.separator + skelname.replace('.', File.separatorChar) + ".class");
    if (verbose)/*from  w  ww  .  j a  v a2s  .  c  o  m*/
        System.out.println("[Generating class " + skelname + "]");

    final ClassWriter skel = new ClassWriter(true);
    classInternalName = skelname.replace('.', '/');
    skel.visit(Opcodes.V1_1, Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, classInternalName,
            Type.getInternalName(Object.class), null,
            new String[] { Type.getType(Skeleton.class).getInternalName() });

    skel.visitField(Opcodes.ACC_PRIVATE + Opcodes.ACC_STATIC + Opcodes.ACC_FINAL, "interfaceHash",
            Type.LONG_TYPE.getDescriptor(), null, new Long(RMIHashes.getInterfaceHash(clazz)));

    skel.visitField(Opcodes.ACC_PRIVATE + Opcodes.ACC_STATIC + Opcodes.ACC_FINAL, "operations",
            Type.getDescriptor(Operation[].class), null, null);

    MethodVisitor clinit = skel.visitMethod(Opcodes.ACC_STATIC, "<clinit>",
            Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] {}), null, null);

    fillOperationArray(clinit);
    clinit.visitInsn(Opcodes.RETURN);

    clinit.visitMaxs(-1, -1);

    // no arg public constructor
    MethodVisitor init = skel.visitMethod(Opcodes.ACC_PUBLIC, "<init>",
            Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] {}), null, null);
    init.visitVarInsn(Opcodes.ALOAD, 0);
    init.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(Object.class), "<init>",
            Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] {}));
    init.visitInsn(Opcodes.RETURN);
    init.visitMaxs(-1, -1);

    /*
     * public Operation[] getOperations()
     * returns a clone of the operations array
     */
    MethodVisitor getOp = skel.visitMethod(Opcodes.ACC_PUBLIC, "getOperations",
            Type.getMethodDescriptor(Type.getType(Operation[].class), new Type[] {}), null, null);
    getOp.visitFieldInsn(Opcodes.GETSTATIC, classInternalName, "operations",
            Type.getDescriptor(Operation[].class));
    getOp.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(Object.class), "clone",
            Type.getMethodDescriptor(Type.getType(Object.class), new Type[] {}));
    getOp.visitTypeInsn(Opcodes.CHECKCAST, typeArg(Operation[].class));
    getOp.visitInsn(Opcodes.ARETURN);
    getOp.visitMaxs(-1, -1);

    // public void dispatch(Remote, RemoteCall, int opnum, long hash)
    MethodVisitor dispatch = skel.visitMethod(Opcodes.ACC_PUBLIC, "dispatch",
            Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.getType(Remote.class),
                    Type.getType(RemoteCall.class), Type.INT_TYPE, Type.LONG_TYPE }),
            null, new String[] { Type.getInternalName(Exception.class) });

    Variables var = new Variables();
    var.declare("this");
    var.declare("remoteobj");
    var.declare("remotecall");
    var.declare("opnum");
    var.declareWide("hash");

    /*
     * if opnum >= 0
     * XXX it is unclear why there is handling of negative opnums
     */
    dispatch.visitVarInsn(Opcodes.ILOAD, var.get("opnum"));
    Label nonNegativeOpnum = new Label();
    Label opnumSet = new Label();
    dispatch.visitJumpInsn(Opcodes.IFGE, nonNegativeOpnum);

    for (int i = 0; i < remotemethods.length; i++) {
        // assign opnum if hash matches supplied hash
        dispatch.visitVarInsn(Opcodes.LLOAD, var.get("hash"));
        dispatch.visitLdcInsn(new Long(remotemethods[i].hash));
        Label notIt = new Label();
        dispatch.visitInsn(Opcodes.LCMP);
        dispatch.visitJumpInsn(Opcodes.IFNE, notIt);

        // opnum = <opnum>
        dispatch.visitLdcInsn(new Integer(i));
        dispatch.visitVarInsn(Opcodes.ISTORE, var.get("opnum"));
        dispatch.visitJumpInsn(Opcodes.GOTO, opnumSet);
        dispatch.visitLabel(notIt);
    }

    // throw new SkeletonMismatchException
    Label mismatch = new Label();
    dispatch.visitJumpInsn(Opcodes.GOTO, mismatch);

    dispatch.visitLabel(nonNegativeOpnum);

    // if opnum is already set, check that the hash matches the interface
    dispatch.visitVarInsn(Opcodes.LLOAD, var.get("hash"));
    dispatch.visitFieldInsn(Opcodes.GETSTATIC, classInternalName, "interfaceHash",
            Type.LONG_TYPE.getDescriptor());
    dispatch.visitInsn(Opcodes.LCMP);
    dispatch.visitJumpInsn(Opcodes.IFEQ, opnumSet);

    dispatch.visitLabel(mismatch);
    dispatch.visitTypeInsn(Opcodes.NEW, typeArg(SkeletonMismatchException.class));
    dispatch.visitInsn(Opcodes.DUP);
    dispatch.visitLdcInsn("interface hash mismatch");
    dispatch.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(SkeletonMismatchException.class),
            "<init>", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.getType(String.class) }));
    dispatch.visitInsn(Opcodes.ATHROW);

    // opnum has been set
    dispatch.visitLabel(opnumSet);

    dispatch.visitVarInsn(Opcodes.ALOAD, var.get("remoteobj"));
    dispatch.visitTypeInsn(Opcodes.CHECKCAST, typeArg(clazz));
    dispatch.visitVarInsn(Opcodes.ASTORE, var.get("remoteobj"));

    Label deflt = new Label();
    Label[] methLabels = new Label[remotemethods.length];
    for (int i = 0; i < methLabels.length; i++)
        methLabels[i] = new Label();

    // switch on opnum
    dispatch.visitVarInsn(Opcodes.ILOAD, var.get("opnum"));
    dispatch.visitTableSwitchInsn(0, remotemethods.length - 1, deflt, methLabels);

    // Method dispatch
    for (int i = 0; i < remotemethods.length; i++) {
        dispatch.visitLabel(methLabels[i]);
        Method m = remotemethods[i].meth;
        generateMethodSkel(dispatch, m, var);
    }

    dispatch.visitLabel(deflt);
    dispatch.visitTypeInsn(Opcodes.NEW, typeArg(UnmarshalException.class));
    dispatch.visitInsn(Opcodes.DUP);
    dispatch.visitLdcInsn("invalid method number");
    dispatch.visitMethodInsn(Opcodes.INVOKESPECIAL, Type.getInternalName(UnmarshalException.class), "<init>",
            Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.getType(String.class) }));
    dispatch.visitInsn(Opcodes.ATHROW);

    dispatch.visitMaxs(-1, -1);

    skel.visitEnd();
    byte[] classData = skel.toByteArray();
    if (!noWrite) {
        if (file.exists())
            file.delete();
        if (file.getParentFile() != null)
            file.getParentFile().mkdirs();
        FileOutputStream fos = new FileOutputStream(file);
        fos.write(classData);
        fos.flush();
        fos.close();
    }
}

From source file:jpcsp.Allegrex.compiler.CodeInstruction.java

License:Open Source License

private int getBranchingOpcode(CompilerContext context, MethodVisitor mv) {
    int branchingOpcode = Opcodes.NOP;

    if (insn == Instructions.BEQ) {
        branchingOpcode = getBranchingOpcodeBranch2(context, mv, Opcodes.IF_ICMPEQ, Opcodes.IF_ICMPNE);
    } else if (insn == Instructions.BEQL) {
        branchingOpcode = getBranchingOpcodeBranch2L(context, mv, Opcodes.IF_ICMPEQ, Opcodes.IF_ICMPNE);
    } else if (insn == Instructions.BNE) {
        branchingOpcode = getBranchingOpcodeBranch2(context, mv, Opcodes.IF_ICMPNE, Opcodes.IF_ICMPEQ);
    } else if (insn == Instructions.BNEL) {
        branchingOpcode = getBranchingOpcodeBranch2L(context, mv, Opcodes.IF_ICMPNE, Opcodes.IF_ICMPEQ);
    } else if (insn == Instructions.BGEZ) {
        branchingOpcode = getBranchingOpcodeBranch1(context, mv, Opcodes.IFGE, Opcodes.IFLT);
    } else if (insn == Instructions.BGEZL) {
        branchingOpcode = getBranchingOpcodeBranch1L(context, mv, Opcodes.IFGE, Opcodes.IFLT);
    } else if (insn == Instructions.BGTZ) {
        branchingOpcode = getBranchingOpcodeBranch1(context, mv, Opcodes.IFGT, Opcodes.IFLE);
    } else if (insn == Instructions.BGTZL) {
        branchingOpcode = getBranchingOpcodeBranch1L(context, mv, Opcodes.IFGT, Opcodes.IFLE);
    } else if (insn == Instructions.BLEZ) {
        branchingOpcode = getBranchingOpcodeBranch1(context, mv, Opcodes.IFLE, Opcodes.IFGT);
    } else if (insn == Instructions.BLEZL) {
        branchingOpcode = getBranchingOpcodeBranch1L(context, mv, Opcodes.IFLE, Opcodes.IFGT);
    } else if (insn == Instructions.BLTZ) {
        branchingOpcode = getBranchingOpcodeBranch1(context, mv, Opcodes.IFLT, Opcodes.IFGE);
    } else if (insn == Instructions.BLTZL) {
        branchingOpcode = getBranchingOpcodeBranch1L(context, mv, Opcodes.IFLT, Opcodes.IFGE);
    } else if (insn == Instructions.J) {
        branchingOpcode = getBranchingOpcodeBranch0(context, mv);
    } else if (insn == Instructions.JAL) {
        branchingOpcode = getBranchingOpcodeCall0(context, mv);
    } else if (insn == Instructions.BLTZAL) {
        branchingOpcode = getBranchingOpcodeCall1(context, mv, Opcodes.IFLT, Opcodes.IFGE);
    } else if (insn == Instructions.BLTZALL) {
        branchingOpcode = getBranchingOpcodeCall1L(context, mv, Opcodes.IFLT, Opcodes.IFGE);
    } else if (insn == Instructions.BGEZAL) {
        branchingOpcode = getBranchingOpcodeCall1(context, mv, Opcodes.IFGE, Opcodes.IFLT);
    } else if (insn == Instructions.BGEZALL) {
        branchingOpcode = getBranchingOpcodeCall1L(context, mv, Opcodes.IFGE, Opcodes.IFLT);
    } else if (insn == Instructions.BC1F) {
        branchingOpcode = getBranchingOpcodeBC1(context, mv, Opcodes.IFEQ, Opcodes.IFNE);
    } else if (insn == Instructions.BC1FL) {
        branchingOpcode = getBranchingOpcodeBC1L(context, mv, Opcodes.IFEQ, Opcodes.IFNE);
    } else if (insn == Instructions.BC1T) {
        branchingOpcode = getBranchingOpcodeBC1(context, mv, Opcodes.IFNE, Opcodes.IFEQ);
    } else if (insn == Instructions.BC1TL) {
        branchingOpcode = getBranchingOpcodeBC1L(context, mv, Opcodes.IFNE, Opcodes.IFEQ);
    } else if (insn == Instructions.BVF) {
        branchingOpcode = getBranchingOpcodeBV(context, mv, Opcodes.IFEQ, Opcodes.IFNE);
    } else if (insn == Instructions.BVT) {
        branchingOpcode = getBranchingOpcodeBV(context, mv, Opcodes.IFNE, Opcodes.IFEQ);
    } else if (insn == Instructions.BVFL) {
        branchingOpcode = getBranchingOpcodeBVL(context, mv, Opcodes.IFEQ, Opcodes.IFNE);
    } else if (insn == Instructions.BVTL) {
        branchingOpcode = getBranchingOpcodeBVL(context, mv, Opcodes.IFNE, Opcodes.IFEQ);
    } else {// w  w w  .  j  av  a 2 s .c o m
        log.error("CodeInstruction.getBranchingOpcode: unknown instruction "
                + insn.disasm(getAddress(), getOpcode()));
    }

    return branchingOpcode;
}