fsm_recode - recoding finite state machines

    fsm_recode [options] [selection]

This pass reassign the state encodings for FSM cells. At the moment only
one-hot encoding and binary encoding is supported.
    -encoding <type>
        specify the encoding scheme used for FSMs without the
        'fsm_encoding' attribute or with the attribute set to `auto'.

    -fm_set_fsm_file <file>
        generate a file containing the mapping from old to new FSM encoding
        in form of Synopsys Formality set_fsm_* commands.

    -encfile <file>
        write the mappings from old to new FSM encoding to a file in the
        following format:

            .fsm <module_name> <state_signal>
            .map <old_bitpattern> <new_bitpattern>