--- old/src/hotspot/share/opto/mulnode.hpp	2018-12-03 17:07:43.705907300 -0800
+++ new/src/hotspot/share/opto/mulnode.hpp	2018-12-03 17:07:43.142113500 -0800
@@ -285,4 +285,15 @@
   virtual const Type* Value(PhaseGVN* phase) const;
 };
 
+//------------------------------MulAddS2INode----------------------------------
+// Multiply shorts into integers and add them.
+// Semantics: I_OUT = S1 * S2 + S3 * S4
+class MulAddS2INode : public Node {
+public:
+  MulAddS2INode(Node* in1, Node *in2, Node *in3, Node* in4) : Node(0, in1, in2, in3, in4) {}
+  virtual int Opcode() const;
+  const Type *bottom_type() const { return TypeInt::INT; }
+  virtual uint ideal_reg() const { return Op_RegI; }
+};
+
 #endif // SHARE_VM_OPTO_MULNODE_HPP