mirror of https://github.com/YosysHQ/yosys.git
Fixed sat handling of $eqx and $nex with unequal port widths
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@ -462,6 +462,7 @@ struct SatGen
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if (model_undef && (cell->type == "$eqx" || cell->type == "$nex")) {
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std::vector<int> undef_a = importUndefSigSpec(cell->connections.at("\\A"), timestep);
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std::vector<int> undef_b = importUndefSigSpec(cell->connections.at("\\B"), timestep);
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extendSignalWidth(undef_a, undef_b, cell, true);
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a = ez->vec_or(a, undef_a);
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b = ez->vec_or(b, undef_b);
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}
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@ -486,6 +487,7 @@ struct SatGen
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std::vector<int> undef_a = importUndefSigSpec(cell->connections.at("\\A"), timestep);
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std::vector<int> undef_b = importUndefSigSpec(cell->connections.at("\\B"), timestep);
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std::vector<int> undef_y = importUndefSigSpec(cell->connections.at("\\Y"), timestep);
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extendSignalWidth(undef_a, undef_b, cell, true);
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if (cell->type == "$eqx")
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yy.at(0) = ez->AND(yy.at(0), ez->vec_eq(undef_a, undef_b));
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