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 bd04cc40b46e24091c5b20aab416aad31d72e224..0010edf558570962bbe89546a3b618353d1b3f56 100644 (file)
--- 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);