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

This commit is contained in:
Adrien Prost-Boucle 2024-09-13 13:58:46 +02:00
parent e6d33b234a
commit 2b98cd1bf2

View File

@ -45,7 +45,7 @@ void XC7Packer::walk_dsp(CellInfo *root, CellInfo *current_cell, int constr_z)
if (!boost::contains(port.first.str(ctx), "COUT")) continue;
NetInfo *cout_net = port.second.net;
if (cout_net == nullptr) continue;
if (cout_net == nullptr || cout_net->users.empty()) continue;
check_illegal_fanout(cout_net, port.first.c_str(ctx));
PortRef& user = *cout_net->users.begin();