diff options
Diffstat (limited to 'passes/sat/sat.cc')
| -rw-r--r-- | passes/sat/sat.cc | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/passes/sat/sat.cc b/passes/sat/sat.cc index a6ac7afd4..436ac1b01 100644 --- a/passes/sat/sat.cc +++ b/passes/sat/sat.cc @@ -268,8 +268,9 @@ 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)) { - removed_bits.append(bit); + if (rhs[i] == State::Sx || !satgen.initial_state.check_all(bit)) { + if (rhs[i] != State::Sx) + removed_bits.append(bit); lhs.remove(i, 1); rhs.remove(i, 1); i--; @@ -519,7 +520,7 @@ struct SatHelper for (auto &p : d->connections()) { if (d->type == "$dff" && p.first == "\\CLK") continue; - if (d->type.substr(0, 6) == "$_DFF_" && p.first == "\\C") + if (d->type.begins_with("$_DFF_") && p.first == "\\C") continue; queued_signals.add(handled_signals.remove(sigmap(p.second))); } @@ -659,6 +660,7 @@ struct SatHelper void dump_model_to_vcd(std::string vcd_file_name) { + rewrite_filename(vcd_file_name); FILE *f = fopen(vcd_file_name.c_str(), "w"); if (!f) log_cmd_error("Can't open output file `%s' for writing: %s\n", vcd_file_name.c_str(), strerror(errno)); @@ -691,7 +693,6 @@ struct SatHelper // VCD has some limits on internal (non-display) identifier names, so make legal ones std::map<std::string, std::string> vcdnames; - fprintf(f, "$timescale 1ns\n"); // arbitrary time scale since actual clock period is unknown/unimportant fprintf(f, "$scope module %s $end\n", module->name.c_str()); for (auto &info : modelInfo) { @@ -762,6 +763,7 @@ struct SatHelper void dump_model_to_json(std::string json_file_name) { + rewrite_filename(json_file_name); FILE *f = fopen(json_file_name.c_str(), "w"); if (!f) log_cmd_error("Can't open output file `%s' for writing: %s\n", json_file_name.c_str(), strerror(errno)); @@ -796,7 +798,7 @@ struct SatHelper vector<string> data; string name = wd.first.c_str(); - while (name.substr(0, 1) == "\\") + while (name.compare(0, 1, "\\") == 0) name = name.substr(1); fprintf(f, " { \"name\": \"%s\", \"wave\": \"", name.c_str()); @@ -891,7 +893,7 @@ void print_qed() struct SatPass : public Pass { SatPass() : Pass("sat", "solve a SAT problem in the circuit") { } - virtual void help() + void help() YS_OVERRIDE { // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| log("\n"); @@ -1058,7 +1060,7 @@ struct SatPass : public Pass { log(" Like -falsify but do not return an error for timeouts.\n"); log("\n"); } - virtual void execute(std::vector<std::string> args, RTLIL::Design *design) + void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE { std::vector<std::pair<std::string, std::string>> sets, sets_init, prove, prove_x; std::map<int, std::vector<std::pair<std::string, std::string>>> sets_at; @@ -1170,6 +1172,7 @@ struct SatPass : public Pass { if (args[argidx] == "-tempinduct-def") { tempinduct = true; tempinduct_def = true; + enable_undef = true; continue; } if (args[argidx] == "-tempinduct-baseonly") { @@ -1351,7 +1354,7 @@ struct SatPass : public Pass { if (show_regs) { pool<Wire*> reg_wires; for (auto cell : module->cells()) { - if (cell->type == "$dff" || cell->type.substr(0, 6) == "$_DFF_") + if (cell->type == "$dff" || cell->type.begins_with("$_DFF_")) for (auto bit : cell->getPort("\\Q")) if (bit.wire) reg_wires.insert(bit.wire); @@ -1505,6 +1508,7 @@ struct SatPass : public Pass { { if (!cnf_file_name.empty()) { + rewrite_filename(cnf_file_name); FILE *f = fopen(cnf_file_name.c_str(), "w"); if (!f) log_cmd_error("Can't open output file `%s' for writing: %s\n", cnf_file_name.c_str(), strerror(errno)); @@ -1608,6 +1612,7 @@ struct SatPass : public Pass { if (!cnf_file_name.empty()) { + rewrite_filename(cnf_file_name); FILE *f = fopen(cnf_file_name.c_str(), "w"); if (!f) log_cmd_error("Can't open output file `%s' for writing: %s\n", cnf_file_name.c_str(), strerror(errno)); |