diff options
Diffstat (limited to 'passes/sat/sat.cc')
| -rw-r--r-- | passes/sat/sat.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/passes/sat/sat.cc b/passes/sat/sat.cc index dd56d8c71..430bba1e8 100644 --- a/passes/sat/sat.cc +++ b/passes/sat/sat.cc @@ -268,7 +268,7 @@ struct SatHelper RTLIL::SigSpec removed_bits; for (int i = 0; i < lhs.size(); i++) { RTLIL::SigSpec bit = lhs.extract(i, 1); - if (!satgen.initial_state.check_all(bit)) { + if (rhs[i] == State::Sx || !satgen.initial_state.check_all(bit)) { removed_bits.append(bit); lhs.remove(i, 1); rhs.remove(i, 1); |