| read_verilog ../common/tribuf.v | |
| hierarchy -top tristate | |
| proc | |
| tribuf | |
| flatten | |
| synth | |
| equiv_opt -assert -map +/gowin/cells_sim.v -map +/simcells.v synth_gowin # equivalency check | |
| design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design) | |
| cd tristate # Constrain all select calls below inside the top module | |
| #Internal cell type used. Need support it. | |
| select -assert-count 1 t:TBUF | |
| select -assert-count 2 t:IBUF | |
| select -assert-none t:TBUF t:IBUF %% t:* %D |