From: Eddie Hung <eddie@fpgeh.com>
Date: Thu, 18 Jul 2019 20:22:22 +0000 (-0700)
Subject: Do not autoremove A/B registers since they might have other consumers
X-Git-Tag: working-ls180~1039^2~339
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e075f0dda0999374346ddfc09f83d323f426ddde;p=yosys.git

Do not autoremove A/B registers since they might have other consumers
---

diff --git a/passes/pmgen/xilinx_dsp.cc b/passes/pmgen/xilinx_dsp.cc
index bd04cc40b..0010edf55 100644
--- a/passes/pmgen/xilinx_dsp.cc
+++ b/passes/pmgen/xilinx_dsp.cc
@@ -101,8 +101,6 @@ void pack_xilinx_dsp(xilinx_dsp_pm &pm)
 		log("\n");
 	}
 
-	pm.autoremove(st.ffA);
-	pm.autoremove(st.ffB);
 	pm.autoremove(st.ffP);
 	pm.autoremove(st.muxP);
 	pm.blacklist(cell);