org.jikesrvm.compilers.opt.ir.ppc

Class BranchProfileCarrierLookup

java.lang.Object

org.jikesrvm.compilers.opt.ir.ppc.BranchProfileCarrierLookup

public final class BranchProfileCarrierLookup
extends Object

Lookup used to see if an operator is a BranchProfile (which is BranchProfileOperand)

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
BranchProfileCarrierLookup()

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

BranchProfileCarrierLookup

public BranchProfileCarrierLookup()

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 BranchProfile or -1 if not carried