--- old/src/share/vm/opto/mathexactnode.cpp	2013-10-22 14:52:26.396088585 +0200
+++ new/src/share/vm/opto/mathexactnode.cpp	2013-10-22 14:52:26.292088589 +0200
@@ -31,10 +31,17 @@
 #include "opto/mathexactnode.hpp"
 #include "opto/subnode.hpp"
 
-MathExactNode::MathExactNode(Node* ctrl, Node* n1, Node* n2) : MultiNode(3) {
+MathExactNode::MathExactNode(Node* ctrl, Node* in1) : MultiNode(2) {
+  init_class_id(Class_MathExact);
   init_req(0, ctrl);
-  init_req(1, n1);
-  init_req(2, n2);
+  init_req(1, in1);
+}
+
+MathExactNode::MathExactNode(Node* ctrl, Node* in1, Node* in2) : MultiNode(3) {
+  init_class_id(Class_MathExact);
+  init_req(0, ctrl);
+  init_req(1, in1);
+  init_req(2, in2);
 }
 
 BoolNode* MathExactNode::bool_node() const {
@@ -64,11 +71,6 @@
   return ifnode->proj_out(1);
 }
 
-MathExactNode::MathExactNode(Node* ctrl, Node* n1) : MultiNode(2) {
-  init_req(0, ctrl);
-  init_req(1, n1);
-}
-
 // If the MathExactNode won't overflow we have to replace the
 // FlagsProjNode and ProjNode that is generated by the MathExactNode
 Node* MathExactNode::no_overflow(PhaseGVN* phase, Node* new_result) {
@@ -102,22 +104,6 @@
   return new_result;
 }
 
-bool MathExactNode::is_MathExactOpcode(int opcode) {
-  switch (opcode) {
-    case Op_AddExactI:
-    case Op_AddExactL:
-    case Op_SubExactI:
-    case Op_SubExactL:
-    case Op_MulExactI:
-    case Op_MulExactL:
-    case Op_NegExactI:
-    case Op_NegExactL:
-      return true;
-    default:
-      return false;
-  }
-}
-
 Node* MathExactINode::match(const ProjNode* proj, const Matcher* m) {
   uint ideal_reg = proj->ideal_reg();
   RegMask rm;