com.oracle.svm.core.genscavenge.graal

Class SubstrateNoBarrierSet

java.lang.Object

com.oracle.svm.core.genscavenge.graal.SubstrateNoBarrierSet

All Implemented Interfaces:

org.graalvm.compiler.nodes.gc.BarrierSet

public class SubstrateNoBarrierSet
extends Object
implements org.graalvm.compiler.nodes.gc.BarrierSet

A BarrierSet that does not emit any read or write barriers.

Constructor Summary

Constructors

Constructor and Description
SubstrateNoBarrierSet()

Method Summary

Modifier and Type	Method and Description
void	addBarriers(org.graalvm.compiler.nodes.memory.FixedAccessNode n)
org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess.BarrierType	arrayStoreBarrierType(jdk.vm.ci.meta.JavaKind storageKind)
org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess.BarrierType	fieldLoadBarrierType(jdk.vm.ci.meta.ResolvedJavaField field, jdk.vm.ci.meta.JavaKind storageKind)
org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess.BarrierType	fieldStoreBarrierType(jdk.vm.ci.meta.ResolvedJavaField field, jdk.vm.ci.meta.JavaKind storageKind)
org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess.BarrierType	guessStoreBarrierType(org.graalvm.compiler.nodes.ValueNode object, org.graalvm.compiler.nodes.ValueNode value)
boolean	mayNeedPreWriteBarrier(jdk.vm.ci.meta.JavaKind storageKind)
org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess.BarrierType	readBarrierType(org.graalvm.compiler.nodes.extended.RawLoadNode load)
org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess.BarrierType	storeBarrierType(org.graalvm.compiler.nodes.extended.RawStoreNode store)

Methods inherited from class java.lang.Object

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

Constructor Detail

SubstrateNoBarrierSet

public SubstrateNoBarrierSet()

Method Detail

addBarriers

public void addBarriers(org.graalvm.compiler.nodes.memory.FixedAccessNode n)

Specified by:

addBarriers in interface org.graalvm.compiler.nodes.gc.BarrierSet

fieldLoadBarrierType

public org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess.BarrierType fieldLoadBarrierType(jdk.vm.ci.meta.ResolvedJavaField field,
                                                                                             jdk.vm.ci.meta.JavaKind storageKind)

Specified by:

fieldLoadBarrierType in interface org.graalvm.compiler.nodes.gc.BarrierSet

fieldStoreBarrierType

public org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess.BarrierType fieldStoreBarrierType(jdk.vm.ci.meta.ResolvedJavaField field,
                                                                                              jdk.vm.ci.meta.JavaKind storageKind)

Specified by:

fieldStoreBarrierType in interface org.graalvm.compiler.nodes.gc.BarrierSet

readBarrierType

public org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess.BarrierType readBarrierType(org.graalvm.compiler.nodes.extended.RawLoadNode load)

Specified by:

readBarrierType in interface org.graalvm.compiler.nodes.gc.BarrierSet

storeBarrierType

public org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess.BarrierType storeBarrierType(org.graalvm.compiler.nodes.extended.RawStoreNode store)

Specified by:

storeBarrierType in interface org.graalvm.compiler.nodes.gc.BarrierSet

arrayStoreBarrierType

public org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess.BarrierType arrayStoreBarrierType(jdk.vm.ci.meta.JavaKind storageKind)

Specified by:

arrayStoreBarrierType in interface org.graalvm.compiler.nodes.gc.BarrierSet

guessStoreBarrierType

public org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess.BarrierType guessStoreBarrierType(org.graalvm.compiler.nodes.ValueNode object,
                                                                                              org.graalvm.compiler.nodes.ValueNode value)

Specified by:

guessStoreBarrierType in interface org.graalvm.compiler.nodes.gc.BarrierSet

mayNeedPreWriteBarrier

public boolean mayNeedPreWriteBarrier(jdk.vm.ci.meta.JavaKind storageKind)

Specified by:

mayNeedPreWriteBarrier in interface org.graalvm.compiler.nodes.gc.BarrierSet