hotspot/src/share/vm/ci/ciField.cpp
changeset 33483 5b7dd5bd7c5c
parent 31519 bb26c50aadd0
child 35758 6109e2e1e1de
--- a/hotspot/src/share/vm/ci/ciField.cpp	Thu Oct 29 09:24:00 2015 +0100
+++ b/hotspot/src/share/vm/ci/ciField.cpp	Thu Oct 29 14:08:19 2015 +0300
@@ -190,6 +190,14 @@
   // so there is no hacking of finals going on with them.
   if (holder->is_anonymous())
     return true;
+  // Trust Atomic*FieldUpdaters: they are very important for performance, and make up one
+  // more reason not to use Unsafe, if their final fields are trusted. See more in JDK-8140483.
+  if (holder->name() == ciSymbol::java_util_concurrent_atomic_AtomicIntegerFieldUpdater_Impl() ||
+      holder->name() == ciSymbol::java_util_concurrent_atomic_AtomicLongFieldUpdater_CASUpdater() ||
+      holder->name() == ciSymbol::java_util_concurrent_atomic_AtomicLongFieldUpdater_LockedUpdater() ||
+      holder->name() == ciSymbol::java_util_concurrent_atomic_AtomicReferenceFieldUpdater_Impl()) {
+    return true;
+  }
   return TrustFinalNonStaticFields;
 }