LeaveSSA.VariableStacks (Jikes RVM API)

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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>>
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>`

Field Summary
`(package private) static long`	`serialVersionUID` Support for map serialization

Constructor Summary
`LeaveSSA.VariableStacks()`

Method Summary
`(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, containsKey, containsValue, entrySet, get, isEmpty, keySet, put, putAll, remove, 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

LeaveSSA.VariableStacks

LeaveSSA.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