diff options
| author | Clifford Wolf <clifford@clifford.at> | 2013-12-27 14:20:15 +0100 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2013-12-27 14:20:15 +0100 |
| commit | 369bf81a7049c96f62af084bb5007fbf45e36ab4 (patch) | |
| tree | 92071580c9bd60888ee5861d59457947a8adfde7 /kernel/satgen.h | |
| parent | ecc30255ba70910777a4586f5bd6abc818073293 (diff) | |
Added support for non-const === and !== (for miter circuits)
Diffstat (limited to 'kernel/satgen.h')
| -rw-r--r-- | kernel/satgen.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/kernel/satgen.h b/kernel/satgen.h index 35e15aa6..c0807f55 100644 --- a/kernel/satgen.h +++ b/kernel/satgen.h @@ -451,7 +451,7 @@ struct SatGen return true; } - if (cell->type == "$lt" || cell->type == "$le" || cell->type == "$eq" || cell->type == "$ne" || cell->type == "$ge" || cell->type == "$gt") + if (cell->type == "$lt" || cell->type == "$le" || cell->type == "$eq" || cell->type == "$ne" || cell->type == "$eqx" || cell->type == "$nex" || cell->type == "$ge" || cell->type == "$gt") { bool is_signed = cell->parameters["\\A_SIGNED"].as_bool() && cell->parameters["\\B_SIGNED"].as_bool(); std::vector<int> a = importDefSigSpec(cell->connections.at("\\A"), timestep); @@ -465,9 +465,9 @@ struct SatGen ez->SET(is_signed ? ez->vec_lt_signed(a, b) : ez->vec_lt_unsigned(a, b), yy.at(0)); if (cell->type == "$le") ez->SET(is_signed ? ez->vec_le_signed(a, b) : ez->vec_le_unsigned(a, b), yy.at(0)); - if (cell->type == "$eq") + if (cell->type == "$eq" || cell->type == "$eqx") ez->SET(ez->vec_eq(a, b), yy.at(0)); - if (cell->type == "$ne") + if (cell->type == "$ne" || cell->type == "$nex") ez->SET(ez->vec_ne(a, b), yy.at(0)); if (cell->type == "$ge") ez->SET(is_signed ? ez->vec_ge_signed(a, b) : ez->vec_ge_unsigned(a, b), yy.at(0)); @@ -476,7 +476,19 @@ struct SatGen for (size_t i = 1; i < y.size(); i++) ez->SET(ez->FALSE, yy.at(i)); - if (model_undef && (cell->type == "$eq" || cell->type == "$ne")) + if (model_undef && (cell->type == "$eqx" || cell->type == "$nex")) + { + std::vector<int> undef_a = importUndefSigSpec(cell->connections.at("\\A"), timestep); + std::vector<int> undef_b = importUndefSigSpec(cell->connections.at("\\B"), timestep); + std::vector<int> undef_y = importUndefSigSpec(cell->connections.at("\\Y"), timestep); + yy.at(0) = ez->AND(yy.at(0), ez->vec_eq(undef_a, undef_b)); + + for (size_t i = 0; i < y.size(); i++) + ez->SET(ez->FALSE, undef_y.at(i)); + + ez->assume(ez->vec_eq(y, yy)); + } + else if (model_undef && (cell->type == "$eq" || cell->type == "$ne")) { std::vector<int> undef_a = importUndefSigSpec(cell->connections.at("\\A"), timestep); std::vector<int> undef_b = importUndefSigSpec(cell->connections.at("\\B"), timestep); |