diff options
Diffstat (limited to 'backends/aiger')
| -rw-r--r-- | backends/aiger/xaiger.cc | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc index 65792421f..4bdd54772 100644 --- a/backends/aiger/xaiger.cc +++ b/backends/aiger/xaiger.cc @@ -481,6 +481,7 @@ struct XAigerWriter } } + // Connect $currQ as an input to the flop box if (box_module->get_bool_attribute("\\abc9_flop")) { IdString port_name = "\\$currQ"; Wire *w = box_module->wire(port_name); @@ -786,6 +787,29 @@ struct XAigerWriter } } + // For flops only, create an extra input for $currQ + if (box_module->get_bool_attribute("\\abc9_flop")) { + log_assert(holes_cell); + + Wire *w = box_module->wire("\\$currQ"); + Wire *holes_wire; + RTLIL::SigSpec port_wire; + for (int i = 0; i < GetSize(w); i++) { + box_inputs++; + holes_wire = holes_module->wire(stringf("\\i%d", box_inputs)); + if (!holes_wire) { + holes_wire = holes_module->addWire(stringf("\\i%d", box_inputs)); + holes_wire->port_input = true; + holes_wire->port_id = port_id++; + holes_module->ports.push_back(holes_wire->name); + } + port_wire.append(holes_wire); + } + w = holes_module->addWire(stringf("%s.$currQ", cell->name.c_str()), GetSize(w)); + w->set_bool_attribute("\\hierconn"); + holes_module->connect(w, port_wire); + } + write_h_buffer(box_inputs); write_h_buffer(box_outputs); write_h_buffer(box_module->attributes.at("\\abc_box_id").as_int()); |