org.graalvm.compiler.lir.amd64

Class AMD64ZeroMemoryOp

java.lang.Object

org.graalvm.compiler.lir.LIRInstruction

org.graalvm.compiler.lir.amd64.AMD64LIRInstruction

org.graalvm.compiler.lir.amd64.AMD64ZeroMemoryOp

public final class AMD64ZeroMemoryOp
extends AMD64LIRInstruction

Zeros a chunk of memory using rep stosb.

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 RegisterValue	length
protected Value	lengthTemp
protected AMD64AddressValue	pointer
protected Value	pointerTemp
static LIRInstructionClass<AMD64ZeroMemoryOp>	TYPE
protected Value	valueTemp

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

ADDRESS_FLAGS, ALLOWED_FLAGS

Constructor Summary

Constructors

Constructor and Description
AMD64ZeroMemoryOp(AMD64AddressValue pointer, RegisterValue length)

Method Summary

Modifier and Type	Method and Description
void	emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm)

Methods inherited from class org.graalvm.compiler.lir.amd64.AMD64LIRInstruction

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<AMD64ZeroMemoryOp> TYPE

pointer

protected AMD64AddressValue pointer

length

protected RegisterValue length

pointerTemp

protected Value pointerTemp

valueTemp

protected Value valueTemp

lengthTemp

protected Value lengthTemp

Constructor Detail

AMD64ZeroMemoryOp

public AMD64ZeroMemoryOp(AMD64AddressValue pointer,
                         RegisterValue length)

Method Detail

emitCode

public void emitCode(CompilationResultBuilder crb,
                     AMD64MacroAssembler masm)

Specified by:

emitCode in class AMD64LIRInstruction