GenericRegisterPool (Jikes RVM API)

Overview

Package

Class

Use

Tree

Serialized

Deprecated

Index

Help

PREV CLASS NEXT CLASS

FRAMES NO FRAMES

SUMMARY: NESTED | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD

org.jikesrvm.compilers.opt.ir
Class GenericRegisterPool

java.lang.Object
  org.jikesrvm.compilers.opt.ir.AbstractRegisterPool
      org.jikesrvm.compilers.opt.ir.GenericRegisterPool

Direct Known Subclasses:: RegisterPool

public class GenericRegisterPool
extends AbstractRegisterPool
extends AbstractRegisterPool

Pool of symbolic registers. Each IR contains has exactly one register pool object associated with it.

See Also:: Register

Field Summary
`protected ArchitectureSpecificOpt.PhysicalRegisterSet`	`physical`

Fields inherited from class org.jikesrvm.compilers.opt.ir.AbstractRegisterPool
`currentNum`

Constructor Summary
`protected`	`GenericRegisterPool(RVMMethod meth)` Initializes a new register pool for the method meth.

Method Summary
`Register`	`getFP()` Get the Framepointer (FP)
`int`	`getNumberOfSymbolicRegisters()` Return the number of symbolic registers (doesn't count physical ones)
`ArchitectureSpecificOpt.PhysicalRegisterSet`	`getPhysicalRegisterSet()`
`RegisterOperand`	`makeFPOp()` Get a temporary that represents the FP register
`RegisterOperand`	`makeTROp()` Get a temporary that represents the PR register

Methods inherited from class org.jikesrvm.compilers.opt.ir.AbstractRegisterPool
`getAddress, getCondition, getDouble, getFirstSymbolicRegister, getFloat, getInteger, getLong, getReg, getReg, getReg, getSecondReg, getValidation, makeTemp, makeTemp, makeTemp, makeTempAddress, makeTempBoolean, makeTempCondition, makeTempDouble, makeTempFloat, makeTempInt, makeTempLong, makeTempOffset, makeTempValidation, release, removeRegister`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

physical

protected final ArchitectureSpecificOpt.PhysicalRegisterSet physical

Constructor Detail

GenericRegisterPool

protected GenericRegisterPool(RVMMethod meth)

Initializes a new register pool for the method meth.

Parameters:: meth - the RVMMethod of the outermost method

Method Detail

getPhysicalRegisterSet

public ArchitectureSpecificOpt.PhysicalRegisterSet getPhysicalRegisterSet()

getNumberOfSymbolicRegisters

public int getNumberOfSymbolicRegisters()

Return the number of symbolic registers (doesn't count physical ones)

Returns:: the number of symbolic registers allocated by the pool

getFP

public Register getFP()

Get the Framepointer (FP)

Returns:: the FP register

makeFPOp

public RegisterOperand makeFPOp()

Get a temporary that represents the FP register

Returns:: the temp

makeTROp

public RegisterOperand makeTROp()

Get a temporary that represents the PR register

Returns:: the temp