diff options
Diffstat (limited to 'passes/techmap/shregmap.cc')
| -rw-r--r-- | passes/techmap/shregmap.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/passes/techmap/shregmap.cc b/passes/techmap/shregmap.cc index 766c1c65f..6936b499e 100644 --- a/passes/techmap/shregmap.cc +++ b/passes/techmap/shregmap.cc @@ -112,7 +112,7 @@ struct ShregmapWorker { for (auto wire : module->wires()) { - if (wire->port_output) { + if (wire->port_output || wire->get_bool_attribute("\\keep")) { for (auto bit : sigmap(wire)) sigbit_with_non_chain_users.insert(bit); } @@ -130,7 +130,7 @@ struct ShregmapWorker for (auto cell : module->cells()) { - if (opts.ffcells.count(cell->type)) + if (opts.ffcells.count(cell->type) && !cell->get_bool_attribute("\\keep")) { IdString d_port = opts.ffcells.at(cell->type).first; IdString q_port = opts.ffcells.at(cell->type).second; |