Mercurial > hg > graal-jvmci-8

changeset 23991:4913d70f630b

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Use direct memory access when checking for a leaf class.
author Christian Haeubl <christian.haeubl@oracle.com>
date Mon, 30 Jan 2017 09:59:50 +0100
parents 2e9d95cef56b
children 1b8892b4ce9c
files jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl.java
diffstat 1 files changed, 1 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl.java	Fri Jan 27 11:29:16 2017 +0100
+++ b/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl.java	Mon Jan 30 09:59:50 2017 +0100
@@ -255,7 +255,7 @@
      * @return true if the type is a leaf class
      */
     private boolean isLeafClass() {
-        return getSubklass() == null;
+        return UNSAFE.getLong(this.getMetaspaceKlass() + config().subklassOffset) == 0;
     }
 
     /**