#NEWLINE# def _carry_from_uf( self , tb , oprnd0 , oprnd1 , result ) : #NEWLINE# #INDENT# assert ( result . size == ( oprnd0 . size * 2 ) ) #NEWLINE# carry = tb . _extract_bit ( result , oprnd0 . size ) #NEWLINE# tb . add ( self . _builder . gen_str ( carry , self . _flags [ 'cf' ] ) )