org.multijava.util.backend
Class StackSchleduler

java.lang.Object
  org.multijava.util.backend.TreeWalker
      org.multijava.util.backend.StackSchleduler

public class StackSchleduler

extends TreeWalker

This class tries to find the best schleduling to minimize local vars

Field Summary
private  Stack	stack

 

Fields inherited from class org.multijava.util.backend.TreeWalker

 

Constructor Summary

StackSchleduler(BasicBlock[] bblocks, BasicBlock[] eblocks)           Creates a new instruction handle.

 

Method Summary
private  QQuadruple	getNode(int pos)
private  QTemporary	getTemp(int pos)
private static boolean	isInList(QTemporary temp, QTemporary[] list)
protected  void	kill()           Called when a branch is reached
protected  void	processNode(QNode node)           Processes the node
void	run()           Runs the deadcode algorithm

 

Methods inherited from class org.multijava.util.backend.TreeWalker

getBasicBlock, removeNode, traverse

 

Methods inherited from class java.lang.Object

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

 

Field Detail

stack

private Stack stack

StackSchleduler

public StackSchleduler(BasicBlock[] bblocks,
                       BasicBlock[] eblocks)

Creates a new instruction handle.

run

public void run()

Runs the deadcode algorithm

processNode

protected void processNode(QNode node)

Processes the node

Parameters:

node - the node to be processed

kill

protected void kill()

Called when a branch is reached

Overrides:

kill in class TreeWalker

getTemp

private QTemporary getTemp(int pos)

getNode

private QQuadruple getNode(int pos)

isInList

private static boolean isInList(QTemporary temp,
                                QTemporary[] list)