src/share/vm/opto/memnode.hpp

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*** 1084,1093 **** --- 1084,1100 ---- : MemBarNode(C, alias_idx, precedent) {} virtual int Opcode() const; virtual uint ideal_reg() const { return 0; } // not matched in the AD file }; + class OnSpinWaitNode: public MemBarNode { + public: + OnSpinWaitNode(Compile* C, int alias_idx, Node* precedent) + : MemBarNode(C, alias_idx, precedent) {} + virtual int Opcode() const; + }; + // Isolation of object setup after an AllocateNode and before next safepoint. // (See comment in memnode.cpp near InitializeNode::InitializeNode for semantics.) class InitializeNode: public MemBarNode { friend class AllocateNode;