--- a/python/target.py	Mon Sep 16 21:51:17 2013 +0200
+++ b/python/target.py	Thu Sep 26 21:14:25 2013 +0200
@@ -184,8 +184,7 @@
                 rops = [roptype.Create(vop) for roptype, vop in zip(ic.operands, vi.operands)]
 
                 # Check if we succeeded:
-                optypes = tuple(map(type, rops))
-                if ic.operands == optypes:
+                if all(isinstance(rop, optype) for rop, optype in zip(rops, ic.operands)):
                     return ic(*rops)
         raise CompilerError('No suitable instruction found for "{0}"'.format(vi))