Himbaechel xilinx : Add safety check in DSP packing for 7-series

YosysHQ · Sep 12, 2024 · 511e2fa · 511e2fa
1 parent e6d33b2
commit 511e2fa
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/himbaechel/uarch/xilinx/pack_dsp_xc7.cc b/himbaechel/uarch/xilinx/pack_dsp_xc7.cc
@@ -109,7 +109,7 @@ void XC7Packer::pack_dsps()
                 std::string n = port.first.str(ctx);
 
                 if (boost::starts_with(n, "ACIN") || boost::starts_with(n, "BCIN") || boost::starts_with(n, "PCIN")) {
-                    if (port.second.net == nullptr)
+                    if (port.second.net == nullptr || port.second.net->users.empty())
                         continue;
                     if (port.second.net->name == ctx->id("$PACKER_GND_NET"))
                         ci->disconnectPort(port.first);