org.graalvm.compiler.lir.aarch64

Class AArch64ReadTimestampCounter

java.lang.Object

org.graalvm.compiler.lir.LIRInstruction

org.graalvm.compiler.lir.aarch64.AArch64LIRInstruction

org.graalvm.compiler.lir.aarch64.AArch64ReadTimestampCounter

public class AArch64ReadTimestampCounter
extends AArch64LIRInstruction

Reads the CNTVCT_EL0 generic timer register. Note that two reads to this system register from the same processor are guaranteed to execute in program order.

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	result
static LIRInstructionClass<AArch64ReadTimestampCounter>	TYPE

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

ADDRESS_FLAGS, ALLOWED_FLAGS

Constructor Summary

Constructors

Constructor and Description
AArch64ReadTimestampCounter(AllocatableValue result)

Method Summary

Modifier and Type	Method and Description
void	emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm)

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<AArch64ReadTimestampCounter> TYPE

result

protected AllocatableValue result

Constructor Detail

AArch64ReadTimestampCounter

public AArch64ReadTimestampCounter(AllocatableValue result)

Method Detail

emitCode

public void emitCode(CompilationResultBuilder crb,
                     AArch64MacroAssembler masm)

Specified by:

emitCode in class AArch64LIRInstruction