src/hotspot/share/oops/instanceKlass.cpp
changeset 47634 6a0c42c40cd1
parent 47580 96392e113a0a
child 47668 fc4cfca10556
--- a/src/hotspot/share/oops/instanceKlass.cpp	Mon Oct 16 20:22:41 2017 +0000
+++ b/src/hotspot/share/oops/instanceKlass.cpp	Mon Oct 16 22:36:06 2017 -0400
@@ -1109,16 +1109,15 @@
 void InstanceKlass::mask_for(const methodHandle& method, int bci,
   InterpreterOopMap* entry_for) {
   // Lazily create the _oop_map_cache at first request
-  // Lock-free access requires load_ptr_acquire.
-  OopMapCache* oop_map_cache =
-      static_cast<OopMapCache*>(OrderAccess::load_ptr_acquire(&_oop_map_cache));
+  // Lock-free access requires load_acquire.
+  OopMapCache* oop_map_cache = OrderAccess::load_acquire(&_oop_map_cache);
   if (oop_map_cache == NULL) {
     MutexLocker x(OopMapCacheAlloc_lock);
     // Check if _oop_map_cache was allocated while we were waiting for this lock
     if ((oop_map_cache = _oop_map_cache) == NULL) {
       oop_map_cache = new OopMapCache();
       // Ensure _oop_map_cache is stable, since it is examined without a lock
-      OrderAccess::release_store_ptr(&_oop_map_cache, oop_map_cache);
+      OrderAccess::release_store(&_oop_map_cache, oop_map_cache);
     }
   }
   // _oop_map_cache is constant after init; lookup below does its own locking.
@@ -1672,7 +1671,7 @@
   // transitions from NULL to non-NULL which is safe because we use
   // release_set_methods_jmethod_ids() to advertise the new cache.
   // A partially constructed cache should never be seen by a racing
-  // thread. We also use release_store_ptr() to save a new jmethodID
+  // thread. We also use release_store() to save a new jmethodID
   // in the cache so a partially constructed jmethodID should never be
   // seen either. Cache reads of existing jmethodIDs proceed without a
   // lock, but cache writes of a new jmethodID requires uniqueness and
@@ -1831,7 +1830,7 @@
     // The jmethodID cache can be read while unlocked so we have to
     // make sure the new jmethodID is complete before installing it
     // in the cache.
-    OrderAccess::release_store_ptr(&jmeths[idnum+1], id);
+    OrderAccess::release_store(&jmeths[idnum+1], id);
   } else {
     *to_dealloc_id_p = new_id; // save new id for later delete
   }