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diff src/share/vm/oops/method.hpp @ 14443:3205e78d8193

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8029396: PPC64 (part 212): Several memory ordering fixes in C-code. Summary: memory ordering fixes in GC and other runtime code showing on PPC64. Reviewed-by: kvn, coleenp
author goetz
date Mon, 02 Dec 2013 10:26:14 +0100
parents f50418dfb1b7
children 8a9bb7821e28 9428a0b94204
line wrap: on
line diff
--- a/src/share/vm/oops/method.hpp	Thu Dec 05 15:13:12 2013 -0800
+++ b/src/share/vm/oops/method.hpp	Mon Dec 02 10:26:14 2013 +0100
@@ -350,16 +350,21 @@
   }
 
   void set_method_data(MethodData* data)       {
-    _method_data = data;
+    // The store into method must be released. On platforms without
+    // total store order (TSO) the reference may become visible before
+    // the initialization of data otherwise.
+    OrderAccess::release_store_ptr((volatile void *)&_method_data, data);
   }
 
   MethodCounters* method_counters() const {
     return _method_counters;
   }
 
-
   void set_method_counters(MethodCounters* counters) {
-    _method_counters = counters;
+    // The store into method must be released. On platforms without
+    // total store order (TSO) the reference may become visible before
+    // the initialization of data otherwise.
+    OrderAccess::release_store_ptr((volatile void *)&_method_counters, counters);
   }
 
 #ifdef TIERED