org.apache.commons.nabla.forward.trimming
Class SwappedDstoreTrimmer

java.lang.Object
  org.apache.commons.nabla.forward.trimming.BytecodeTrimmer
      org.apache.commons.nabla.forward.trimming.SwappedDstoreTrimmer

public class SwappedDstoreTrimmer
extends BytecodeTrimmer

Trimmer replacing (DUP2_X2, POP2, DSTORE i, DSTORE j) with (DSTORE j, DSTORE i).

Version:

$Id$

Constructor Summary

SwappedDstoreTrimmer()
Simple constructor.

Method Summary

protected boolean

trimWindow(org.objectweb.asm.tree.InsnList instructions, org.objectweb.asm.tree.AbstractInsnNode[] window) Trim the current window of lookahead instructions.

Methods inherited from class org.apache.commons.nabla.forward.trimming.BytecodeTrimmer

trim

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SwappedDstoreTrimmer

public SwappedDstoreTrimmer()

Simple constructor.

Method Detail

trimWindow

protected boolean trimWindow(org.objectweb.asm.tree.InsnList instructions,
                             org.objectweb.asm.tree.AbstractInsnNode[] window)

Trim the current window of lookahead instructions.

Specified by:

trimWindow in class BytecodeTrimmer

Parameters:

instructions - complete instructions list of instructions to trim

window - current instructions window (belongs to the list)

Returns:

true if instructions and window have been updated and are ready for next iteration