--- a/src/hotspot/share/opto/addnode.hpp	Tue Dec 18 16:22:46 2018 -0500
+++ b/src/hotspot/share/opto/addnode.hpp	Tue Dec 18 16:50:35 2018 +0000
@@ -249,4 +249,52 @@
   virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
 };
 
+//------------------------------MaxFNode---------------------------------------
+// Maximum of 2 floats.
+class MaxFNode : public MaxNode {
+public:
+  MaxFNode(Node *in1, Node *in2) : MaxNode(in1, in2) {}
+  virtual int Opcode() const;
+  virtual const Type *add_ring(const Type*, const Type*) const { return Type::FLOAT; }
+  virtual const Type *add_id() const { return TypeF::NEG_INF; }
+  virtual const Type *bottom_type() const { return Type::FLOAT; }
+  virtual uint ideal_reg() const { return Op_RegF; }
+};
+
+//------------------------------MinFNode---------------------------------------
+// Minimum of 2 floats.
+class MinFNode : public MaxNode {
+public:
+  MinFNode(Node *in1, Node *in2) : MaxNode(in1, in2) {}
+  virtual int Opcode() const;
+  virtual const Type *add_ring(const Type*, const Type*) const { return Type::FLOAT; }
+  virtual const Type *add_id() const { return TypeF::POS_INF; }
+  virtual const Type *bottom_type() const { return Type::FLOAT; }
+  virtual uint ideal_reg() const { return Op_RegF; }
+};
+
+//------------------------------MaxDNode---------------------------------------
+// Maximum of 2 doubles.
+class MaxDNode : public MaxNode {
+public:
+  MaxDNode(Node *in1, Node *in2) : MaxNode(in1, in2) {}
+  virtual int Opcode() const;
+  virtual const Type *add_ring(const Type*, const Type*) const { return Type::DOUBLE; }
+  virtual const Type *add_id() const { return TypeD::NEG_INF; }
+  virtual const Type *bottom_type() const { return Type::DOUBLE; }
+  virtual uint ideal_reg() const { return Op_RegD; }
+};
+
+//------------------------------MinDNode---------------------------------------
+// Minimum of 2 doubles.
+class MinDNode : public MaxNode {
+public:
+  MinDNode(Node *in1, Node *in2) : MaxNode(in1, in2) {}
+  virtual int Opcode() const;
+  virtual const Type *add_ring(const Type*, const Type*) const { return Type::DOUBLE; }
+  virtual const Type *add_id() const { return TypeD::POS_INF; }
+  virtual const Type *bottom_type() const { return Type::DOUBLE; }
+  virtual uint ideal_reg() const { return Op_RegD; }
+};
+
 #endif // SHARE_VM_OPTO_ADDNODE_HPP