com.oracle.svm.core.amd64

Class AMD64CPUFeatureAccess

java.lang.Object

com.oracle.svm.core.amd64.AMD64CPUFeatureAccess

All Implemented Interfaces:

CPUFeatureAccess

public class AMD64CPUFeatureAccess
extends Object
implements CPUFeatureAccess

Constructor Summary

Constructors

Constructor and Description
AMD64CPUFeatureAccess()

Method Summary

Modifier and Type	Method and Description
static EnumSet<jdk.vm.ci.amd64.AMD64.Flag>	allAMD64Flags() We include all flags that enable AMD64 CPU instructions as we want best possible performance for the code.
static EnumSet<jdk.vm.ci.amd64.AMD64.CPUFeature>	determineHostCPUFeatures()
void	enableFeatures(jdk.vm.ci.code.Architecture runtimeArchitecture)
void	verifyHostSupportsArchitecture(jdk.vm.ci.code.Architecture imageArchitecture)

Methods inherited from class java.lang.Object

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

Constructor Detail

AMD64CPUFeatureAccess

public AMD64CPUFeatureAccess()

Method Detail

allAMD64Flags

public static EnumSet<jdk.vm.ci.amd64.AMD64.Flag> allAMD64Flags()

We include all flags that enable AMD64 CPU instructions as we want best possible performance for the code.

Returns:

All the flags that enable AMD64 CPU instructions.

determineHostCPUFeatures

public static EnumSet<jdk.vm.ci.amd64.AMD64.CPUFeature> determineHostCPUFeatures()

verifyHostSupportsArchitecture

public void verifyHostSupportsArchitecture(jdk.vm.ci.code.Architecture imageArchitecture)

Specified by:

verifyHostSupportsArchitecture in interface CPUFeatureAccess

enableFeatures

public void enableFeatures(jdk.vm.ci.code.Architecture runtimeArchitecture)

Specified by:

enableFeatures in interface CPUFeatureAccess