org.jikesrvm.compilers.opt.ir
Class MachineSpecificIR
java.lang.Object
org.jikesrvm.compilers.opt.ir.MachineSpecificIR
- Direct Known Subclasses:
- MachineSpecificIRIA
public abstract class MachineSpecificIR
- extends Object
Generic wrappers around machine-specific IR
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
MachineSpecificIR
public MachineSpecificIR()
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)