src/hotspot/share/gc/shared/c2/cardTableBarrierSetC2.cpp

@@ -103,11 +103,11 @@
   int adr_type = Compile::AliasIdxRaw;
   Node*   zero = __ ConI(0); // Dirty card value
 
   if (UseCondCardMark) {
     if (ct->scanned_concurrently()) {
-      kit->insert_mem_bar(Op_MemBarVolatile, oop_store);
+      kit->insert_store_load_for_barrier();
       __ sync_kit(kit);
     }
     // The classic GC reference write barrier is typically implemented
     // as a store into the global card mark table.  Unfortunately
     // unconditional stores can result in false sharing and excessive