--- a/Jint.Runtime/VM/RuntimeContext.cs	Sun Oct 27 21:20:59 2013 +0400
+++ b/Jint.Runtime/VM/RuntimeContext.cs	Mon Oct 28 00:49:15 2013 +0400
@@ -20,12 +20,21 @@
             return new Box<T>(value, this);
         }
 
-        public void DefineBinaryOperation<T>(Codes code, BinaryOperation<T> op) {
+        object[] GetOrCreateOps(Type type) {
             object[] ops;
-            if (!m_impls.TryGetValue(typeof(T), out ops))
-                ops = m_impls[typeof(T)] = new object[(int)Codes.MaxOp];
+            if (!m_impls.TryGetValue(type, out ops))
+                ops = m_impls[type] = new object[(int)Codes.MaxOp];
+            return ops;
+        }
 
+        public void DefineBinaryOperation<T>(Codes code, BinaryOperation<T> op) {
+            object[] ops = GetOrCreateOps(typeof(T));
             ops[(int)code] = op;
         }
+
+        public void DefineCompareOperation<T>(CompareOperation<T> op) {
+            object[] ops = GetOrCreateOps(typeof(T));
+            ops[(int)Codes.Cmp] = op;
+        }
     }
 }