--- a/python/ppci/irmach.py	Wed Mar 19 22:32:04 2014 +0100
+++ b/python/ppci/irmach.py	Fri Mar 21 09:43:01 2014 +0100
@@ -40,6 +40,10 @@
         self.others = tuple(others)
         self.ismove = ismove
 
+    def __gt__(self, other):
+        """ To make the class fit for sorting """
+        return str(self) > str(other)
+
     def __repr__(self):
         """ Substitutes source, dst and labels in the string """
         if isinstance(self.assem, Instruction):