org.graalvm.compiler.hotspot.aarch64

Class AArch64HotSpotMove.UncompressPointer

java.lang.Object

org.graalvm.compiler.lir.LIRInstruction

org.graalvm.compiler.lir.aarch64.AArch64LIRInstruction

org.graalvm.compiler.hotspot.aarch64.AArch64HotSpotMove.UncompressPointer

Enclosing class:

AArch64HotSpotMove

public static class AArch64HotSpotMove.UncompressPointer
extends AArch64LIRInstruction

Decompresses a 4-byte offset into an actual pointer.

Nested Class Summary

Nested classes/interfaces inherited from class org.graalvm.compiler.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
protected AllocatableValue	baseRegister
protected AllocatableValue	input
protected AllocatableValue	result
static LIRInstructionClass<AArch64HotSpotMove.UncompressPointer>	TYPE

Fields inherited from class org.graalvm.compiler.lir.LIRInstruction

ADDRESS_FLAGS, ALLOWED_FLAGS

Constructor Summary

Constructors

Constructor and Description
UncompressPointer(AllocatableValue result, AllocatableValue input, AllocatableValue baseRegister, CompressEncoding encoding, boolean nonNull)

Method Summary

Modifier and Type	Method and Description
void	emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm)
static void	emitUncompressCode(AArch64MacroAssembler masm, Register inputRegister, Register resReg, Register baseReg, int shift, boolean nonNull)

Methods inherited from class org.graalvm.compiler.lir.aarch64.AArch64LIRInstruction

emitCode

Methods inherited from class org.graalvm.compiler.lir.LIRInstruction

addStackSlotsToTemporaries, destroysCallerSavedRegisters, forEachAlive, forEachAlive, forEachInput, forEachInput, forEachOutput, forEachOutput, forEachRegisterHint, forEachRegisterHint, forEachState, forEachState, forEachState, forEachState, forEachTemp, forEachTemp, getComment, getLIRInstructionClass, getPosition, hashCode, hasOperands, hasState, id, isLoadConstantOp, isMoveOp, isValueMoveOp, name, needsClearUpperVectorRegisters, setComment, setId, setPosition, toString, toString, toStringWithIdPrefix, verify, visitEachAlive, visitEachAlive, visitEachInput, visitEachInput, visitEachOutput, visitEachOutput, visitEachState, visitEachState, visitEachTemp, visitEachTemp

Methods inherited from class java.lang.Object

clone, equals, getClass, notify, notifyAll, wait, wait, wait

Field Detail

TYPE

public static final LIRInstructionClass<AArch64HotSpotMove.UncompressPointer> TYPE

result

protected AllocatableValue result

input

protected AllocatableValue input

baseRegister

protected AllocatableValue baseRegister

Constructor Detail

UncompressPointer

public UncompressPointer(AllocatableValue result,
                         AllocatableValue input,
                         AllocatableValue baseRegister,
                         CompressEncoding encoding,
                         boolean nonNull)

Method Detail

emitCode

public void emitCode(CompilationResultBuilder crb,
                     AArch64MacroAssembler masm)

Specified by:

emitCode in class AArch64LIRInstruction

emitUncompressCode

public static void emitUncompressCode(AArch64MacroAssembler masm,
                                      Register inputRegister,
                                      Register resReg,
                                      Register baseReg,
                                      int shift,
                                      boolean nonNull)