src/share/vm/opto/node.hpp

rev 2892 : 7121140: Allocation paths require explicit memory synchronization operations for RMO systems
Summary: adds store store barrier after initialization of header and body of objects.
Reviewed-by:

*** 95,104 ****
--- 95,105 ----
  class MachSafePointNode;
  class MachSpillCopyNode;
  class MachTempNode;
  class Matcher;
  class MemBarNode;
+ class MemBarStoreStoreNode;
  class MemNode;
  class MergeMemNode;
  class MultiNode;
  class MultiBranchNode;
  class NeverBranchNode;
*** 563,572 ****
--- 564,574 ----
            DEFINE_CLASS_ID(CountedLoopEnd, If, 0)
          DEFINE_CLASS_ID(NeverBranch, MultiBranch, 2)
        DEFINE_CLASS_ID(Start,       Multi, 2)
        DEFINE_CLASS_ID(MemBar,      Multi, 3)
          DEFINE_CLASS_ID(Initialize,       MemBar, 0)
+         DEFINE_CLASS_ID(MemBarStoreStore, MemBar, 1)
  
      DEFINE_CLASS_ID(Mach,  Node, 1)
        DEFINE_CLASS_ID(MachReturn, Mach, 0)
          DEFINE_CLASS_ID(MachSafePoint, MachReturn, 0)
            DEFINE_CLASS_ID(MachCall, MachSafePoint, 0)
*** 742,751 ****
--- 744,754 ----
    DEFINE_CLASS_QUERY(MachSafePoint)
    DEFINE_CLASS_QUERY(MachSpillCopy)
    DEFINE_CLASS_QUERY(MachTemp)
    DEFINE_CLASS_QUERY(Mem)
    DEFINE_CLASS_QUERY(MemBar)
+   DEFINE_CLASS_QUERY(MemBarStoreStore)
    DEFINE_CLASS_QUERY(MergeMem)
    DEFINE_CLASS_QUERY(Multi)
    DEFINE_CLASS_QUERY(MultiBranch)
    DEFINE_CLASS_QUERY(Parm)
    DEFINE_CLASS_QUERY(PCTable)