diff options
Diffstat (limited to 'techlibs/ice40')
-rw-r--r-- | techlibs/ice40/synth_ice40.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc index b683929bf..c5d8f5edb 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -72,6 +72,7 @@ struct SynthIce40Pass : public Pass { log(" map_ffs:\n"); log(" dff2dffe -direct-match $_DFF_*\n"); log(" techmap -map +/ice40/cells_map.v\n"); + log(" opt_const -mux_undef\n"); log(" simplemap\n"); log(" clean\n"); log("\n"); @@ -145,6 +146,7 @@ struct SynthIce40Pass : public Pass { { Pass::call(design, "dff2dffe -direct-match $_DFF_*"); Pass::call(design, "techmap -map +/ice40/cells_map.v"); + Pass::call(design, "opt_const -mux_undef"); Pass::call(design, "simplemap"); Pass::call(design, "clean"); } |