diff options
Diffstat (limited to 'techlibs')
| -rw-r--r-- | techlibs/greenpak4/greenpak4_counters.cc | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/techlibs/greenpak4/greenpak4_counters.cc b/techlibs/greenpak4/greenpak4_counters.cc index 394f3dab1..7b5646bf2 100644 --- a/techlibs/greenpak4/greenpak4_counters.cc +++ b/techlibs/greenpak4/greenpak4_counters.cc @@ -248,8 +248,12 @@ void greenpak4_counters_worker( if (cell->type != "$alu") return; - //A input is the count value. Check if it has COUNT_EXTRACT set - RTLIL::Wire* a_wire = sigmap(cell->getPort("\\A")).as_wire(); + //A input is the count value. Check if it has COUNT_EXTRACT set. + //If it's not a wire, don't even try + auto port = sigmap(cell->getPort("\\A")); + if(!port.is_wire()) + return; + RTLIL::Wire* a_wire = port.as_wire(); bool force_extract = false; bool never_extract = false; string count_reg_src = a_wire->attributes["\\src"].decode_string().c_str(); |