From 4c25d1a76fc006cac0d9e2038617f41ca90685c1 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Fri, 26 Jul 2019 10:27:30 -0700 Subject: [PATCH] Pop the CO bit from O --- passes/pmgen/ice40_dsp.cc | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/passes/pmgen/ice40_dsp.cc b/passes/pmgen/ice40_dsp.cc index c5655ad20..369cb211e 100644 --- a/passes/pmgen/ice40_dsp.cc +++ b/passes/pmgen/ice40_dsp.cc @@ -144,8 +144,10 @@ void create_ice40_dsp(ice40_dsp_pm &pm) // SB_MAC16 Output Interface SigSpec O = st.sigO; - if (GetSize(O) == 33) + if (GetSize(O) == 33) { cell->setPort("\\CO", st.sigO[32]); + O.remove(32); + } else { log_assert(GetSize(O) <= 32); cell->setPort("\\CO", pm.module->addWire(NEW_ID)); -- 2.30.2