org.jikesrvm.compilers.opt.ssa

Class LeaveSSA.VariableStacks

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<Register,Stack<Operand>>

org.jikesrvm.compilers.opt.ssa.LeaveSSA.VariableStacks

All Implemented Interfaces:

Serializable, Cloneable, Map<Register,Stack<Operand>>

Enclosing class:

LeaveSSA

static final class LeaveSSA.VariableStacks
extends HashMap<Register,Stack<Operand>>

This class provides an abstraction over stacks of names for registers.

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static long	serialVersionUID Support for map serialization

Constructor Summary

Constructors

Constructor and Description
VariableStacks()

Method Summary

Modifier and Type	Method and Description
(package private) Operand	peek(Register s) Get the name at the top of the stack for a particular register
(package private) Operand	pop(Register s) Pop the name at the top of the stack for a particular register
(package private) void	push(Register s, Operand name) Push a name at the top of the stack for a particular register

Methods inherited from class java.util.HashMap

clear, clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

equals, hashCode

Field Detail

serialVersionUID

static final long serialVersionUID

Support for map serialization

See Also:

Constant Field Values

Constructor Detail

VariableStacks

VariableStacks()

Method Detail

peek

Operand peek(Register s)

Get the name at the top of the stack for a particular register

Parameters:

s - the register in question

Returns:

the name at the top of the stack for the register

pop

Operand pop(Register s)

Pop the name at the top of the stack for a particular register

Parameters:

s - the register in question

Returns:

the name at the top of the stack for the register

push

void push(Register s,
          Operand name)

Push a name at the top of the stack for a particular register

Parameters:

s - the register in question

name - the name to push on the stack