org.jikesrvm.compilers.baseline

Class ConditionalBranchProfile

java.lang.Object

org.jikesrvm.compilers.baseline.BranchProfile

org.jikesrvm.compilers.baseline.ConditionalBranchProfile

public final class ConditionalBranchProfile
extends BranchProfile

Profile data for a branch instruction.

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	backwards Backward branch
private float	taken Probability of being taken

Fields inherited from class org.jikesrvm.compilers.baseline.BranchProfile

bci, freq

Constructor Summary

Constructors

Constructor and Description
ConditionalBranchProfile(int bci, int taken, int notTaken, boolean bw)

Method Summary

Modifier and Type	Method and Description
float	getTakenProbability()
String	toString()

Methods inherited from class org.jikesrvm.compilers.baseline.BranchProfile

countToFloat, getBytecodeIndex, getFrequency

Methods inherited from class java.lang.Object

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

Field Detail

taken

private final float taken

Probability of being taken

backwards

private final boolean backwards

Backward branch

Constructor Detail

ConditionalBranchProfile

ConditionalBranchProfile(int bci,
                         int taken,
                         int notTaken,
                         boolean bw)

Parameters:

bci - the bytecode index of the source branch instruction

taken - the number of times the branch was taken

notTaken - the number of times the branch was not taken

bw - is this a backwards branch?

Method Detail

getTakenProbability

public float getTakenProbability()

toString

public String toString()

Overrides:

toString in class Object