yosys -import read_verilog +/choices/han-carlson.v read_verilog -icells lcu_refined.v design -save init for {set i 1} {$i <= 16} {incr i} { design -load init chparam -set WIDTH $i yosys proc opt_clean equiv_make lcu _80_lcu_han_carlson equiv equiv_simple equiv equiv_status -assert equiv }