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-rw-r--r--techlibs/gowin/synth_gowin.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/techlibs/gowin/synth_gowin.cc b/techlibs/gowin/synth_gowin.cc
index c5b41b503..99dd3834b 100644
--- a/techlibs/gowin/synth_gowin.cc
+++ b/techlibs/gowin/synth_gowin.cc
@@ -246,6 +246,7 @@ struct SynthGowinPass : public ScriptPass
if (check_label("map_cells"))
{
run("techmap -map +/gowin/cells_map.v");
+ run("opt_lut_ins -tech gowin");
run("setundef -undriven -params -zero");
run("hilomap -singleton -hicell VCC V -locell GND G");
if (!noiopads || help_mode)