Class AMD64G1BarrierSetLIRGenerator

java.lang.Object

jdk.graal.compiler.lir.amd64.g1.AMD64G1BarrierSetLIRGenerator

All Implemented Interfaces:

BarrierSetLIRGeneratorTool, WriteBarrierSetLIRGeneratorTool

public class AMD64G1BarrierSetLIRGenerator
extends Object
implements WriteBarrierSetLIRGeneratorTool

Architecture specific G1 barrier set generator.

Constructor Summary

Constructors

Constructor	Description
AMD64G1BarrierSetLIRGenerator(AMD64G1BarrierSetLIRTool barrierSetLIRTool)

Method Summary

Modifier and Type	Method	Description
void	emitPostWriteBarrier(LIRGeneratorTool lirTool, jdk.vm.ci.meta.Value address, jdk.vm.ci.meta.Value value, boolean nonNull)
void	emitPreWriteBarrier(LIRGeneratorTool lirTool, jdk.vm.ci.meta.Value address, jdk.vm.ci.meta.AllocatableValue expectedObject, boolean nonNull)

Methods inherited from class java.lang.Object

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

Constructor Details

AMD64G1BarrierSetLIRGenerator

public AMD64G1BarrierSetLIRGenerator(AMD64G1BarrierSetLIRTool barrierSetLIRTool)

Method Details

emitPreWriteBarrier

public void emitPreWriteBarrier(LIRGeneratorTool lirTool,
 jdk.vm.ci.meta.Value address,
 jdk.vm.ci.meta.AllocatableValue expectedObject,
 boolean nonNull)

Specified by:

emitPreWriteBarrier in interface WriteBarrierSetLIRGeneratorTool

Parameters:

address - the location being updated

expectedObject - the expected pre-value if known

nonNull - true if expectedObject is known to non-null

emitPostWriteBarrier

public void emitPostWriteBarrier(LIRGeneratorTool lirTool,
 jdk.vm.ci.meta.Value address,
 jdk.vm.ci.meta.Value value,
 boolean nonNull)

Specified by:

emitPostWriteBarrier in interface WriteBarrierSetLIRGeneratorTool

Parameters:

address - the location being updated

value - the value being written

nonNull - true if value is known to be non-null