diff options
Diffstat (limited to 'backends')
| -rw-r--r-- | backends/aiger/xaiger.cc | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc index f67f7620b..d3384e136 100644 --- a/backends/aiger/xaiger.cc +++ b/backends/aiger/xaiger.cc @@ -215,8 +215,6 @@ struct XAigerWriter for (const auto &c : cell->connections()) { /*if (c.second.is_fully_const()) continue;*/ for (auto b : c.second.bits()) { - Wire *w = b.wire; - if (!w) continue; auto is_input = cell->input(c.first); auto is_output = cell->output(c.first); log_assert(is_input || is_output); @@ -382,7 +380,7 @@ struct XAigerWriter aig_outputs.push_back(bit2aig(bit)); } - if (omode && output_bits.empty() && co_bits.empty()) { + if (omode && output_bits.empty()) { aig_o++; aig_outputs.push_back(0); } @@ -561,11 +559,12 @@ struct XAigerWriter int box_id = 0; for (auto cell : box_list) { int box_inputs = 0, box_outputs = 0; - for (const auto &c : cell->connections()) + for (const auto &c : cell->connections()) { if (cell->input(c.first)) box_inputs += c.second.size(); - else + if (cell->output(c.first)) box_outputs += c.second.size(); + } write_h_buffer(box_inputs); write_h_buffer(box_outputs); write_h_buffer(box_id++); @@ -652,8 +651,12 @@ struct XAigerWriter for (const auto &c : co_bits) { RTLIL::SigBit b = c.first; + RTLIL::Wire *wire = b.wire; int o = c.second; - output_lines[o] += stringf("output %d %d %s\n", o, b.offset, log_id(b.wire)); + if (wire) + output_lines[o] += stringf("output %d %d %s\n", o, b.offset, log_id(wire)); + else + output_lines[o] += stringf("output %d %d __const%d__\n", o, 0, b.data); } input_lines.sort(); @@ -669,7 +672,7 @@ struct XAigerWriter for (auto &it : output_lines) f << it.second; log_assert(output_lines.size() == output_bits.size() + co_bits.size()); - if (omode && output_lines.empty()) + if (omode && output_bits.empty()) f << "output " << output_lines.size() << " 0 __dummy_o__\n"; latch_lines.sort(); |