--- a/src/hotspot/share/opto/vectornode.hpp	Wed Dec 12 15:35:20 2018 -0500
+++ b/src/hotspot/share/opto/vectornode.hpp	Wed Dec 12 14:48:34 2018 -0800
@@ -67,6 +67,9 @@
   static int  opcode(int opc, BasicType bt);
   static bool implemented(int opc, uint vlen, BasicType bt);
   static bool is_shift(Node* n);
+  static bool is_type_transition_short_to_int(Node* n);
+  static bool is_type_transition_to_int(Node* n);
+  static bool is_muladds2i(Node* n);
   static bool is_invariant_vector(Node* n);
   // [Start, end) half-open range defining which operands are vectors
   static void vector_operands(Node* n, uint* start, uint* end);
@@ -261,6 +264,14 @@
   virtual int Opcode() const;
 };
 
+//------------------------------MulAddVS2VINode--------------------------------
+// Vector multiply shorts to int and add adjacent ints.
+class MulAddVS2VINode : public VectorNode {
+  public:
+    MulAddVS2VINode(Node* in1, Node* in2, const TypeVect* vt) : VectorNode(in1, in2, vt) {}
+    virtual int Opcode() const;
+};
+
 //------------------------------FmaVDNode--------------------------------------
 // Vector multiply double
 class FmaVDNode : public VectorNode {