com.oracle.graal.hotspot.amd64

Class AMD64HotSpotLIRGenerator.RescueSlotDummyOp

java.lang.Object

com.oracle.graal.lir.LIRInstruction

com.oracle.graal.hotspot.amd64.AMD64HotSpotLIRGenerator.RescueSlotDummyOp

Enclosing class:

AMD64HotSpotLIRGenerator

private static final class AMD64HotSpotLIRGenerator.RescueSlotDummyOp
extends LIRInstruction

Helper instruction to reserve a stack slot for the whole method. Note that the actual users of the stack slot might be inserted after stack slot allocation. This dummy instruction ensures that the stack slot is alive and gets a real stack slot assigned.

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.graal.lir.LIRInstruction

LIRInstruction.Alive, LIRInstruction.Def, LIRInstruction.OperandFlag, LIRInstruction.OperandMode, LIRInstruction.State, LIRInstruction.Temp, LIRInstruction.Use

Field Summary

Fields

Modifier and Type	Field and Description
private StackSlotValue	slot
static LIRInstructionClass<AMD64HotSpotLIRGenerator.RescueSlotDummyOp>	TYPE

Fields inherited from class com.oracle.graal.lir.LIRInstruction

ADDRESS_FLAGS, ALLOWED_FLAGS

Constructor Summary

Constructors

Constructor and Description
RescueSlotDummyOp(FrameMapBuilder frameMapBuilder, LIRKind kind)

Method Summary

Modifier and Type	Method and Description
void	emitCode(CompilationResultBuilder crb)
StackSlotValue	getSlot()

Methods inherited from class com.oracle.graal.lir.LIRInstruction

destroysCallerSavedRegisters, forEachAlive, forEachAlive, forEachInput, forEachInput, forEachOutput, forEachOutput, forEachRegisterHint, forEachRegisterHint, forEachState, forEachState, forEachState, forEachState, forEachTemp, forEachTemp, getLIRInstructionClass, hasOperands, hasState, id, name, setId, toString, toStringWithIdPrefix, verify, visitEachAlive, visitEachAlive, visitEachInput, visitEachInput, visitEachOutput, visitEachOutput, visitEachState, visitEachState, visitEachTemp, visitEachTemp

Methods inherited from class java.lang.Object

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

Field Detail

TYPE

public static final LIRInstructionClass<AMD64HotSpotLIRGenerator.RescueSlotDummyOp> TYPE

slot

private StackSlotValue slot

Constructor Detail

RescueSlotDummyOp

public RescueSlotDummyOp(FrameMapBuilder frameMapBuilder,
                         LIRKind kind)

Method Detail

getSlot

public StackSlotValue getSlot()

emitCode

public void emitCode(CompilationResultBuilder crb)

Specified by:

emitCode in class LIRInstruction