diff options
Diffstat (limited to 'frontends/aiger')
| -rw-r--r-- | frontends/aiger/aigerparse.cc | 31 | ||||
| -rw-r--r-- | frontends/aiger/aigerparse.h | 3 |
2 files changed, 20 insertions, 14 deletions
diff --git a/frontends/aiger/aigerparse.cc b/frontends/aiger/aigerparse.cc index b4304a581..cf9b33b3c 100644 --- a/frontends/aiger/aigerparse.cc +++ b/frontends/aiger/aigerparse.cc @@ -206,7 +206,7 @@ eval_end: }; AigerReader::AigerReader(RTLIL::Design *design, std::istream &f, RTLIL::IdString module_name, RTLIL::IdString clk_name, std::string map_filename, bool wideports) - : design(design), f(f), clk_name(clk_name), map_filename(map_filename), wideports(wideports) + : design(design), f(f), clk_name(clk_name), map_filename(map_filename), wideports(wideports), aiger_autoidx(autoidx++) { module = new RTLIL::Module; module->name = module_name; @@ -255,7 +255,7 @@ end_of_header: else log_abort(); - RTLIL::Wire* n0 = module->wire("$0"); + RTLIL::Wire* n0 = module->wire(stringf("$aiger%d$0", aiger_autoidx)); if (n0) module->connect(n0, State::S0); @@ -323,18 +323,18 @@ static uint32_t parse_xaiger_literal(std::istream &f) return from_big_endian(l); } -static RTLIL::Wire* createWireIfNotExists(RTLIL::Module *module, unsigned literal) +RTLIL::Wire* AigerReader::createWireIfNotExists(RTLIL::Module *module, unsigned literal) { const unsigned variable = literal >> 1; const bool invert = literal & 1; - RTLIL::IdString wire_name(stringf("$%d%s", variable, invert ? "b" : "")); + RTLIL::IdString wire_name(stringf("$aiger%d$%d%s", aiger_autoidx, variable, invert ? "b" : "")); RTLIL::Wire *wire = module->wire(wire_name); if (wire) return wire; log_debug2("Creating %s\n", wire_name.c_str()); wire = module->addWire(wire_name); wire->port_input = wire->port_output = false; if (!invert) return wire; - RTLIL::IdString wire_inv_name(stringf("$%d", variable)); + RTLIL::IdString wire_inv_name(stringf("$aiger%d$%d", aiger_autoidx, variable)); RTLIL::Wire *wire_inv = module->wire(wire_inv_name); if (wire_inv) { if (module->cell(wire_inv_name)) return wire; @@ -346,7 +346,7 @@ static RTLIL::Wire* createWireIfNotExists(RTLIL::Module *module, unsigned litera } log_debug2("Creating %s = ~%s\n", wire_name.c_str(), wire_inv_name.c_str()); - module->addNotGate(stringf("$%d$not", variable), wire_inv, wire); + module->addNotGate(stringf("$not$aiger%d$%d", aiger_autoidx, variable), wire_inv, wire); return wire; } @@ -383,7 +383,7 @@ void AigerReader::parse_xaiger() else log_abort(); - RTLIL::Wire* n0 = module->wire("$0"); + RTLIL::Wire* n0 = module->wire(stringf("$aiger%d$0", aiger_autoidx)); if (n0) module->connect(n0, State::S0); @@ -407,13 +407,14 @@ void AigerReader::parse_xaiger() uint32_t rootNodeID = parse_xaiger_literal(f); uint32_t cutLeavesM = parse_xaiger_literal(f); log_debug2("rootNodeID=%d cutLeavesM=%d\n", rootNodeID, cutLeavesM); - RTLIL::Wire *output_sig = module->wire(stringf("$%d", rootNodeID)); + RTLIL::Wire *output_sig = module->wire(stringf("$aiger%d$%d", aiger_autoidx, rootNodeID)); + log_assert(output_sig); uint32_t nodeID; RTLIL::SigSpec input_sig; for (unsigned j = 0; j < cutLeavesM; ++j) { nodeID = parse_xaiger_literal(f); log_debug2("\t%u\n", nodeID); - RTLIL::Wire *wire = module->wire(stringf("$%d", nodeID)); + RTLIL::Wire *wire = module->wire(stringf("$aiger%d$%d", aiger_autoidx, nodeID)); log_assert(wire); input_sig.append(wire); } @@ -430,10 +431,10 @@ void AigerReader::parse_xaiger() log_assert(o.wire == nullptr); lut_mask[gray] = o.data; } - RTLIL::Cell *output_cell = module->cell(stringf("$%d$and", rootNodeID)); + RTLIL::Cell *output_cell = module->cell(stringf("$and$aiger%d$%d", aiger_autoidx, rootNodeID)); log_assert(output_cell); module->remove(output_cell); - module->addLut(stringf("$%d$lut", rootNodeID), input_sig, output_sig, std::move(lut_mask)); + module->addLut(stringf("$lut$aiger%d$%d", aiger_autoidx, rootNodeID), input_sig, output_sig, std::move(lut_mask)); } } else if (c == 'r') { @@ -603,7 +604,7 @@ void AigerReader::parse_aiger_ascii() RTLIL::Wire *o_wire = createWireIfNotExists(module, l1); RTLIL::Wire *i1_wire = createWireIfNotExists(module, l2); RTLIL::Wire *i2_wire = createWireIfNotExists(module, l3); - module->addAndGate(o_wire->name.str() + "$and", i1_wire, i2_wire, o_wire); + module->addAndGate("$and" + o_wire->name.str(), i1_wire, i2_wire, o_wire); } std::getline(f, line); // Ignore up to start of next line } @@ -729,7 +730,7 @@ void AigerReader::parse_aiger_binary() RTLIL::Wire *o_wire = createWireIfNotExists(module, l1); RTLIL::Wire *i1_wire = createWireIfNotExists(module, l2); RTLIL::Wire *i2_wire = createWireIfNotExists(module, l3); - module->addAndGate(o_wire->name.str() + "$and", i1_wire, i2_wire, o_wire); + module->addAndGate("$and" + o_wire->name.str(), i1_wire, i2_wire, o_wire); } } @@ -831,6 +832,7 @@ void AigerReader::post_process() } else { wire->port_output = false; + existing->port_output = true; module->connect(wire, existing); wire = existing; } @@ -845,8 +847,9 @@ void AigerReader::post_process() wideports_cache[escaped_s] = std::max(wideports_cache[escaped_s], index); } else { - module->connect(wire, existing); wire->port_output = false; + existing->port_output = true; + module->connect(wire, existing); } log_debug(" -> %s\n", log_id(indexed_name)); } diff --git a/frontends/aiger/aigerparse.h b/frontends/aiger/aigerparse.h index de3c3efbc..722f1e472 100644 --- a/frontends/aiger/aigerparse.h +++ b/frontends/aiger/aigerparse.h @@ -33,6 +33,7 @@ struct AigerReader RTLIL::Module *module; std::string map_filename; bool wideports; + const int aiger_autoidx; unsigned M, I, L, O, A; unsigned B, C, J, F; // Optional in AIGER 1.9 @@ -51,6 +52,8 @@ struct AigerReader void parse_aiger_ascii(); void parse_aiger_binary(); void post_process(); + + RTLIL::Wire* createWireIfNotExists(RTLIL::Module *module, unsigned literal); }; YOSYS_NAMESPACE_END |