org.jikesrvm.compilers.opt.ir.ppc

Class GuardCarrierLookup

java.lang.Object

org.jikesrvm.compilers.opt.ir.ppc.GuardCarrierLookup

public final class GuardCarrierLookup
extends Object

Lookup used to see if an operator is a Guard (which is Operand)

Field Summary

Fields

Modifier and Type	Field and Description
private static int[]	table Look up table

Constructor Summary

Constructors

Constructor and Description
GuardCarrierLookup()

Method Summary

Modifier and Type	Method and Description
static int	lookup(int index) Perform table lookup

Methods inherited from class java.lang.Object

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

Field Detail

table

private static final int[] table

Look up table

Constructor Detail

GuardCarrierLookup

public GuardCarrierLookup()

Method Detail

lookup

public static int lookup(int index)

Perform table lookup

Parameters:

index - the index to lookup

Returns:

the index into the instruction operands that carries the Guard or -1 if not carried