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Merge pull request #1325 from YosysHQ/eddie/sat_init

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In sat: 'x' in init attr should be ignored
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Clifford Wolf 2019-08-28 00:18:14 +02:00 • committed by GitHub
commit 70c0cddb1e
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2 changed files with 8 additions and 2 deletions
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passes/sat/sat.cc
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@ -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);