org.jikesrvm.compilers.opt.ir.ppc

Class RegisterPool

java.lang.Object

org.jikesrvm.compilers.opt.ir.AbstractRegisterPool

org.jikesrvm.compilers.opt.ir.GenericRegisterPool

org.jikesrvm.compilers.opt.ir.ppc.RegisterPool

public final class RegisterPool
extends GenericRegisterPool

Pool of symbolic registers.

PowerPC specific implementation where JTOC is stored in a reserved register. Each IR contains has exactly one register pool object associated with it.

See Also:

Register

Field Summary

Fields inherited from class org.jikesrvm.compilers.opt.ir.GenericRegisterPool

physical

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

currentNum

Constructor Summary

Constructors

Constructor and Description
RegisterPool(RVMMethod meth) Initializes a new register pool for the method meth.

Method Summary

Modifier and Type	Method and Description
Register	getJTOC() Get the JTOC register
Operand	makeJTOCOp()
Operand	makeTocOp()

Methods inherited from class org.jikesrvm.compilers.opt.ir.GenericRegisterPool

getFP, getNumberOfSymbolicRegisters, getPhysicalRegisterSet, getTotalNumberOfRegisters, makeFPOp, makeTROp

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

Constructor Detail

RegisterPool

public RegisterPool(RVMMethod meth)

Initializes a new register pool for the method meth.

Parameters:

meth - the RVMMethod of the outermost method

Method Detail

getJTOC

public Register getJTOC()

Get the JTOC register

Returns:

the JTOC register

makeJTOCOp

public Operand makeJTOCOp()

Specified by:

makeJTOCOp in class GenericRegisterPool

Returns:

a temporary that represents the JTOC register (as an Address)

makeTocOp

public Operand makeTocOp()

Specified by:

makeTocOp in class GenericRegisterPool

Returns:

a temporary that represents the JTOC register (as an Object)