diff options
Diffstat (limited to 'backends/aiger/xaiger.cc')
-rw-r--r-- | backends/aiger/xaiger.cc | 87 |
1 files changed, 25 insertions, 62 deletions
diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc index 5eeae3b82..5d3677ab3 100644 --- a/backends/aiger/xaiger.cc +++ b/backends/aiger/xaiger.cc @@ -53,7 +53,7 @@ PRIVATE_NAMESPACE_BEGIN inline int32_t to_big_endian(int32_t i32) { #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ - return __builtin_bswap32(i32); + return bswap32(i32); #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ return i32; #else @@ -392,7 +392,6 @@ struct XAigerWriter #endif log_assert(no_loops); - pool<IdString> seen_boxes; for (auto cell_name : toposort.sorted) { RTLIL::Cell *cell = module->cell(cell_name); log_assert(cell); @@ -401,47 +400,6 @@ struct XAigerWriter if (!box_module || !box_module->attributes.count("\\abc_box_id")) continue; - if (seen_boxes.insert(cell->type).second) { - auto it = box_module->attributes.find("\\abc_carry"); - if (it != box_module->attributes.end()) { - RTLIL::Wire *carry_in = nullptr, *carry_out = nullptr; - auto carry_in_out = it->second.decode_string(); - auto tokens = split_tokens(carry_in_out, ","); - if (tokens.size() != 2) - log_error("'abc_carry' attribute on module '%s' does not contain exactly two comma-separated tokens.\n", log_id(cell->type)); - auto carry_in_name = RTLIL::escape_id(tokens[0]); - carry_in = box_module->wire(carry_in_name); - if (!carry_in || !carry_in->port_input) - log_error("'abc_carry' on module '%s' contains '%s' which does not exist or is not an input port.\n", log_id(cell->type), carry_in_name.c_str()); - - auto carry_out_name = RTLIL::escape_id(tokens[1]); - carry_out = box_module->wire(carry_out_name); - if (!carry_out || !carry_out->port_output) - log_error("'abc_carry' on module '%s' contains '%s' which does not exist or is not an output port.\n", log_id(cell->type), carry_out_name.c_str()); - - auto &ports = box_module->ports; - for (auto jt = ports.begin(); jt != ports.end(); ) { - RTLIL::Wire* w = box_module->wire(*jt); - log_assert(w); - if (w == carry_in || w == carry_out) { - jt = ports.erase(jt); - continue; - } - if (w->port_id > carry_in->port_id) - --w->port_id; - if (w->port_id > carry_out->port_id) - --w->port_id; - log_assert(w->port_input || w->port_output); - log_assert(ports[w->port_id-1] == w->name); - ++jt; - } - ports.push_back(carry_in->name); - carry_in->port_id = ports.size(); - ports.push_back(carry_out->name); - carry_out->port_id = ports.size(); - } - } - // Fully pad all unused input connections of this box cell with S0 // Fully pad all undriven output connections of this box cell with anonymous wires // NB: Assume box_module->ports are sorted alphabetically @@ -454,11 +412,11 @@ struct XAigerWriter RTLIL::SigSpec rhs; if (it != cell->connections_.end()) { if (GetSize(it->second) < GetSize(w)) - it->second.append(RTLIL::SigSpec(RTLIL::S0, GetSize(w)-GetSize(it->second))); + it->second.append(RTLIL::SigSpec(State::S0, GetSize(w)-GetSize(it->second))); rhs = it->second; } else { - rhs = RTLIL::SigSpec(RTLIL::S0, GetSize(w)); + rhs = RTLIL::SigSpec(State::S0, GetSize(w)); cell->setPort(port_name, rhs); } @@ -466,10 +424,10 @@ struct XAigerWriter for (auto b : rhs.bits()) { SigBit I = sigmap(b); if (b == RTLIL::Sx) - b = RTLIL::S0; + b = State::S0; else if (I != b) { if (I == RTLIL::Sx) - alias_map[b] = RTLIL::S0; + alias_map[b] = State::S0; else alias_map[b] = I; } @@ -768,19 +726,18 @@ struct XAigerWriter std::stringstream h_buffer; auto write_h_buffer = std::bind(write_buffer, std::ref(h_buffer), std::placeholders::_1); write_h_buffer(1); - log_debug("ciNum = %zu\n", input_bits.size() + ff_bits.size() + ci_bits.size()); + log_debug("ciNum = %d\n", GetSize(input_bits) + GetSize(ff_bits) + GetSize(ci_bits)); write_h_buffer(input_bits.size() + ff_bits.size() + ci_bits.size()); - log_debug("coNum = %zu\n", output_bits.size() + ff_bits.size() + co_bits.size()); - write_h_buffer(output_bits.size() + ff_bits.size() + co_bits.size()); - log_debug("piNum = %zu\n", input_bits.size() + ff_bits.size()); - write_h_buffer(input_bits.size()+ ff_bits.size()); - log_debug("poNum = %zu\n", output_bits.size() + ff_bits.size()); + log_debug("coNum = %d\n", GetSize(output_bits) + GetSize(ff_bits) + GetSize(co_bits)); + write_h_buffer(output_bits.size() + GetSize(ff_bits) + GetSize(co_bits)); + log_debug("piNum = %d\n", GetSize(input_bits) + GetSize(ff_bits)); + write_h_buffer(input_bits.size() + ff_bits.size()); + log_debug("poNum = %d\n", GetSize(output_bits) + GetSize(ff_bits)); write_h_buffer(output_bits.size() + ff_bits.size()); - log_debug("boxNum = %zu\n", box_list.size()); + log_debug("boxNum = %d\n", GetSize(box_list)); write_h_buffer(box_list.size()); - RTLIL::Module *holes_module = nullptr; - holes_module = module->design->addModule("$__holes__"); + RTLIL::Module *holes_module = module->design->addModule("$__holes__"); log_assert(holes_module); int port_id = 1; @@ -830,7 +787,7 @@ struct XAigerWriter if (holes_cell) port_wire.append(holes_wire); else - holes_module->connect(holes_wire, RTLIL::S0); + holes_module->connect(holes_wire, State::S0); } if (!port_wire.empty()) holes_cell->setPort(w->name, port_wire); @@ -901,27 +858,33 @@ struct XAigerWriter Pass::call(holes_module->design, "flatten -wb"); // TODO: Should techmap/aigmap/check all lib_whitebox-es just once, - // instead of per write_xaiger call + // instead of per write_xaiger call Pass::call(holes_module->design, "techmap"); Pass::call(holes_module->design, "aigmap"); for (auto cell : holes_module->cells()) if (!cell->type.in("$_NOT_", "$_AND_")) log_error("Whitebox contents cannot be represented as AIG. Please verify whiteboxes are synthesisable.\n"); - Pass::call(holes_module->design, "clean -purge"); + holes_module->design->selection_stack.pop_back(); + + // Move into a new (temporary) design so that "clean" will only + // operate (and run checks on) this one module + RTLIL::Design *holes_design = new RTLIL::Design; + holes_module->design->modules_.erase(holes_module->name); + holes_design->add(holes_module); + Pass::call(holes_design, "clean -purge"); std::stringstream a_buffer; XAigerWriter writer(holes_module, false /*zinit_mode*/, true /* holes_mode */); writer.write_aiger(a_buffer, false /*ascii_mode*/); - holes_module->design->selection_stack.pop_back(); + delete holes_design; f << "a"; std::string buffer_str = a_buffer.str(); int32_t buffer_size_be = to_big_endian(buffer_str.size()); f.write(reinterpret_cast<const char*>(&buffer_size_be), sizeof(buffer_size_be)); f.write(buffer_str.data(), buffer_str.size()); - holes_module->design->remove(holes_module); log_pop(); } @@ -960,7 +923,7 @@ struct XAigerWriter auto it = init_map.find(b); if (it != init_map.end()) init = it->second ? 1 : 0; - output_lines[o] += stringf("output %lu %d %s %d\n", o - co_bits.size(), i, log_id(wire), init); + output_lines[o] += stringf("output %d %d %s %d\n", o - GetSize(co_bits), i, log_id(wire), init); continue; } |