add constants automatically

lib/risc/callable_compiler.rb

@@ -106,6 +106,7 @@ module Risc
       ins.register.set_compiler(self)
       add_code ins
       # todo for constants (not objects)
+      add_constant( object) if object.is_a?(Parfait::Object) 
       # add_constant(right) if compiler
       ins.register
     end