Do not overwrite LUT param

diff --git a/techlibs/ice40/ice40_opt.cc b/techlibs/ice40/ice40_opt.cc
index 58f106f7ca1ee0d010c124190724b4cadacaac8a..ea56d3f4d1fed16ef14bdad9e98b524d3fa4cae5 100644 (file)
--- a/techlibs/ice40/ice40_opt.cc
+++ b/techlibs/ice40/ice40_opt.cc
@@ -125,7 +125,6 @@ static void run_ice40_opts(Module *module)
                                cell->unsetPort("\\I3");
                                cell->unsetPort("\\CO");
                                cell->unsetPort("\\O");
-                               cell->setParam("\\LUT", RTLIL::Const::from_string("0110100110010110"));
                                cell->setParam("\\WIDTH", 4);
                        }
                        continue;