============================ opt_lut - optimize LUT cells ============================ .. raw:: latex \begin{comment} .. cmd:def:: opt_lut :title: optimize LUT cells .. code:: yoscrypt opt_lut [options] [selection] :: This pass combines cascaded $lut cells with unused inputs. -tech ice40 treat the design as a LUT-mapped circuit for the iCE40 architecture and preserve connections to SB_CARRY as appropriate .. code:: yoscrypt -limit N :: only perform the first N combines, then stop. useful for debugging. .. raw:: latex \end{comment} .. only:: latex :: opt_lut [options] [selection] This pass combines cascaded $lut cells with unused inputs. -tech ice40 treat the design as a LUT-mapped circuit for the iCE40 architecture and preserve connections to SB_CARRY as appropriate -limit N only perform the first N combines, then stop. useful for debugging.