From a6fdb9f5c1262e57d4aa292778c947773d9fe04d Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Tue, 17 Dec 2019 15:50:01 -0800 Subject: [PATCH] aiger frontend to user shorter, $-prefixed, names --- frontends/aiger/aigerparse.cc | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/frontends/aiger/aigerparse.cc b/frontends/aiger/aigerparse.cc index 613723966..9cb05dfb3 100644 --- a/frontends/aiger/aigerparse.cc +++ b/frontends/aiger/aigerparse.cc @@ -255,7 +255,7 @@ end_of_header: else log_abort(); - RTLIL::Wire* n0 = module->wire("\\__0__"); + RTLIL::Wire* n0 = module->wire("$0"); if (n0) module->connect(n0, State::S0); @@ -316,14 +316,14 @@ static RTLIL::Wire* createWireIfNotExists(RTLIL::Module *module, unsigned litera { const unsigned variable = literal >> 1; const bool invert = literal & 1; - RTLIL::IdString wire_name(stringf("\\__%d%s__", variable, invert ? "b" : "")); + RTLIL::IdString wire_name(stringf("$%d%s", 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("$%d", variable)); RTLIL::Wire *wire_inv = module->wire(wire_inv_name); if (wire_inv) { if (module->cell(wire_inv_name)) return wire; @@ -335,7 +335,7 @@ static RTLIL::Wire* createWireIfNotExists(RTLIL::Module *module, unsigned litera } log_debug2("Creating %s = ~%s\n", wire_name.c_str(), wire_inv_name.c_str()); - module->addNotGate(stringf("\\__%d__$not", variable), wire_inv, wire); + module->addNotGate(stringf("$%d$not", variable), wire_inv, wire); return wire; } @@ -372,7 +372,7 @@ void AigerReader::parse_xaiger(const dict &box_lookup) else log_abort(); - RTLIL::Wire* n0 = module->wire("\\__0__"); + RTLIL::Wire* n0 = module->wire("$0"); if (n0) module->connect(n0, State::S0); @@ -396,13 +396,13 @@ void AigerReader::parse_xaiger(const dict &box_lookup) uint32_t rootNodeID = parse_xaiger_literal(f); uint32_t cutLeavesM = parse_xaiger_literal(f); log_debug2("rootNodeID=%d cutLeavesM=%d\n", rootNodeID, cutLeavesM); - RTLIL::Wire *output_sig = module->wire(stringf("\\__%d__", rootNodeID)); + RTLIL::Wire *output_sig = module->wire(stringf("$%d", rootNodeID)); 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("$%d", nodeID)); log_assert(wire); input_sig.append(wire); } @@ -419,10 +419,10 @@ void AigerReader::parse_xaiger(const dict &box_lookup) log_assert(o.wire == nullptr); lut_mask[gray] = o.data; } - RTLIL::Cell *output_cell = module->cell(stringf("\\__%d__$and", rootNodeID)); + RTLIL::Cell *output_cell = module->cell(stringf("$%d$and", rootNodeID)); log_assert(output_cell); module->remove(output_cell); - module->addLut(stringf("\\__%d__$lut", rootNodeID), input_sig, output_sig, std::move(lut_mask)); + module->addLut(stringf("$%d$lut", rootNodeID), input_sig, output_sig, std::move(lut_mask)); } } else if (c == 'r') { @@ -456,7 +456,7 @@ void AigerReader::parse_xaiger(const dict &box_lookup) uint32_t boxUniqueId = parse_xaiger_literal(f); log_assert(boxUniqueId > 0); uint32_t oldBoxNum = parse_xaiger_literal(f); - RTLIL::Cell* cell = module->addCell(stringf("$__box%u__", oldBoxNum), box_lookup.at(boxUniqueId)); + RTLIL::Cell* cell = module->addCell(stringf("$__box%u", oldBoxNum), box_lookup.at(boxUniqueId)); boxes.emplace_back(cell); } } @@ -544,7 +544,7 @@ void AigerReader::parse_aiger_ascii() log_debug2("%d is an output\n", l1); const unsigned variable = l1 >> 1; const bool invert = l1 & 1; - RTLIL::IdString wire_name(stringf("\\__%d%s__", variable, invert ? "b" : "")); // FIXME: is "b" the right suffix? + RTLIL::IdString wire_name(stringf("$%d%s", variable, invert ? "b" : "")); // FIXME: is "b" the right suffix? RTLIL::Wire *wire = module->wire(wire_name); if (!wire) wire = createWireIfNotExists(module, l1); @@ -613,7 +613,7 @@ void AigerReader::parse_aiger_binary() int digits = ceil(log10(I)); for (unsigned i = 1; i <= I; ++i) { log_debug2("%d is an input\n", i); - RTLIL::Wire *wire = module->addWire(stringf("\\i%0*d", digits, i)); + RTLIL::Wire *wire = module->addWire(stringf("$i%0*d", digits, i)); wire->port_input = true; module->connect(createWireIfNotExists(module, i << 1), wire); inputs.push_back(wire); @@ -671,7 +671,7 @@ void AigerReader::parse_aiger_binary() log_error("Line %u cannot be interpreted as an output!\n", line_count); log_debug2("%d is an output\n", l1); - RTLIL::Wire *wire = module->addWire(stringf("\\o%0*d", digits, i)); + RTLIL::Wire *wire = module->addWire(stringf("$o%0*d", digits, i)); wire->port_output = true; module->connect(wire, createWireIfNotExists(module, l1)); outputs.push_back(wire); @@ -915,7 +915,7 @@ void AigerReader::post_process() wire->attributes["\\init"] = init; } else if (type == "box") { - RTLIL::Cell* cell = module->cell(stringf("$__box%d__", variable)); + RTLIL::Cell* cell = module->cell(stringf("$__box%d", variable)); if (cell) { // ABC could have optimised this box away module->rename(cell, escaped_s); for (const auto &i : cell->connections()) { -- 2.30.2