org.jikesrvm.compilers.opt.ssa

Class SSADictionary.HeapKey<T>

java.lang.Object

org.jikesrvm.compilers.opt.ssa.SSADictionary.HeapKey<T>

Enclosing class:

SSADictionary

private static final class SSADictionary.HeapKey<T>
extends Object

This class represents the name of a heap variable in the heap array SSA form.

Field Summary

Fields

Modifier and Type	Field and Description
private int	number The number and type comprise the name of a heap variable in array SSA form
private T	type The number and type comprise the name of a heap variable in array SSA form

Constructor Summary

Constructors

Constructor and Description
HeapKey(int number, T type) Create a new name for a heap variable.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object key) Test against another key for equality.
int	hashCode() Return a hash code for this name.

Methods inherited from class java.lang.Object

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

Field Detail

number

private final int number

The number and type comprise the name of a heap variable in array SSA form

type

private final T type

The number and type comprise the name of a heap variable in array SSA form

Constructor Detail

HeapKey

HeapKey(int number,
        T type)

Create a new name for a heap variable.

Parameters:

number - the number, a unique integer from SSA renaming

type - the type (a RVMField or TypeReference

Method Detail

equals

public boolean equals(Object key)

Test against another key for equality. This function is used to retrive items from hashtables.

Overrides:

equals in class Object

Parameters:

key - the object to compare with

Returns:

true or false as appropriate

hashCode

public int hashCode()

Return a hash code for this name. TODO: come up with a better hash function.

Overrides:

hashCode in class Object

Returns:

the hash code