org.jikesrvm.compilers.opt.ir

Class MachineSpecificIR

java.lang.Object

org.jikesrvm.compilers.opt.ir.MachineSpecificIR

public abstract class MachineSpecificIR
extends Object

Generic wrappers around machine-specific IR

Constructor Summary

Constructors

Constructor and Description
MachineSpecificIR()

Method Summary

Modifier and Type	Method and Description
boolean	canFoldNullCheckAndLoad(Instruction s)
int	getBURSManagedFPRValue(Operand operand)
boolean	isAdviseESP(Operator operator)
boolean	isBURSManagedFPROperand(Operand operand)
abstract boolean	isConditionOperand(Operand operand)
boolean	isFClear(Operator operator)
boolean	isFNInit(Operator operator)
abstract boolean	isHandledByRegisterUnknown(char opcode)
boolean	isPowerPCTrapOperand(Operand operand)
abstract boolean	mayEscapeMethod(Instruction instruction)
abstract boolean	mayEscapeThread(Instruction instruction)
boolean	mutateFMOVs(LiveIntervalElement live, Register register, int dfnbegin, int dfnend)
abstract void	mutateMIRCondBranch(Instruction cb)
void	rewriteFPStack(IR ir)

Methods inherited from class java.lang.Object

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

Constructor Detail

MachineSpecificIR

public MachineSpecificIR()

Method Detail

isConditionOperand

public abstract boolean isConditionOperand(Operand operand)

mutateMIRCondBranch

public abstract void mutateMIRCondBranch(Instruction cb)

isHandledByRegisterUnknown

public abstract boolean isHandledByRegisterUnknown(char opcode)

mayEscapeThread

public abstract boolean mayEscapeThread(Instruction instruction)

mayEscapeMethod

public abstract boolean mayEscapeMethod(Instruction instruction)

isAdviseESP

public boolean isAdviseESP(Operator operator)

isFClear

public boolean isFClear(Operator operator)

isFNInit

public boolean isFNInit(Operator operator)

isBURSManagedFPROperand

public boolean isBURSManagedFPROperand(Operand operand)

getBURSManagedFPRValue

public int getBURSManagedFPRValue(Operand operand)

mutateFMOVs

public boolean mutateFMOVs(LiveIntervalElement live,
                           Register register,
                           int dfnbegin,
                           int dfnend)

rewriteFPStack

public void rewriteFPStack(IR ir)

isPowerPCTrapOperand

public boolean isPowerPCTrapOperand(Operand operand)

canFoldNullCheckAndLoad

public boolean canFoldNullCheckAndLoad(Instruction s)