diff options
| -rw-r--r-- | backends/aiger/xaiger.cc | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc index 1485e2b0c..12b23cfe9 100644 --- a/backends/aiger/xaiger.cc +++ b/backends/aiger/xaiger.cc @@ -152,9 +152,13 @@ struct XAigerWriter } if (wire->port_output || keep) { - if (bit != wirebit) - alias_map[wirebit] = bit; - output_bits.insert(wirebit); + if (bit != RTLIL::Sx) { + if (bit != wirebit) + alias_map[wirebit] = bit; + output_bits.insert(wirebit); + } + else + log_debug("Skipping PO '%s' driven by 1'bx\n", log_signal(wirebit)); } } } |