diff options
| author | Eddie Hung <eddie@fpgeh.com> | 2019-08-22 16:42:19 -0700 |
|---|---|---|
| committer | Eddie Hung <eddie@fpgeh.com> | 2019-08-22 16:42:19 -0700 |
| commit | 2b37a093e95036b267481b2dae2046278eef4040 (patch) | |
| tree | 88e05eb93d2c879f860415771fc2e3719c337049 /passes | |
| parent | 66607845eccb2e3bc17b017c4f6b109aeaecdf77 (diff) | |
| download | yosys-2b37a093e95036b267481b2dae2046278eef4040.tar.gz yosys-2b37a093e95036b267481b2dae2046278eef4040.tar.bz2 yosys-2b37a093e95036b267481b2dae2046278eef4040.zip | |
In sat: 'x' in init attr should not override constant
Diffstat (limited to 'passes')
| -rw-r--r-- | passes/sat/sat.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/passes/sat/sat.cc b/passes/sat/sat.cc index dd56d8c71..bcc690fa3 100644 --- a/passes/sat/sat.cc +++ b/passes/sat/sat.cc @@ -268,6 +268,8 @@ struct SatHelper RTLIL::SigSpec removed_bits; for (int i = 0; i < lhs.size(); i++) { RTLIL::SigSpec bit = lhs.extract(i, 1); + if (bit.is_fully_const() && rhs[i] == State::Sx) + rhs[i] = bit; if (!satgen.initial_state.check_all(bit)) { removed_bits.append(bit); lhs.remove(i, 1); |