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Revert "Fix omode which inserts an output if none exists (otherwise abc9 breaks)"

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This reverts commit 8182cb9d91.
This commit is contained in:
Eddie Hung 2019-08-21 11:29:40 -07:00
parent 584c680691
commit 8f0c1232d7
1 changed files with 7 additions and 8 deletions
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15
backends/aiger/xaiger.cc
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@ -504,16 +504,16 @@ struct XAigerWriter
aig_outputs.push_back(bit2aig(bit)); aig_outputs.push_back(bit2aig(bit));
} }
if (output_bits.empty()) {
output_bits.insert(State::S0);
omode = true;
}
for (auto bit : output_bits) { for (auto bit : output_bits) {
ordered_outputs[bit] = aig_o++; ordered_outputs[bit] = aig_o++;
aig_outputs.push_back(bit2aig(bit)); aig_outputs.push_back(bit2aig(bit));
} }
if (output_bits.empty()) {
aig_o++;
aig_outputs.push_back(0);
omode = true;
}
} }
void write_aiger(std::ostream &f, bool ascii_mode) void write_aiger(std::ostream &f, bool ascii_mode)
@ -575,7 +575,6 @@ struct XAigerWriter
f << "c"; f << "c";
log_assert(!output_bits.empty());
auto write_buffer = [](std::stringstream &buffer, int i32) { auto write_buffer = [](std::stringstream &buffer, int i32) {
int32_t i32_be = to_big_endian(i32); int32_t i32_be = to_big_endian(i32);
buffer.write(reinterpret_cast<const char*>(&i32_be), sizeof(i32_be)); buffer.write(reinterpret_cast<const char*>(&i32_be), sizeof(i32_be));
@ -797,11 +796,11 @@ struct XAigerWriter
f << stringf("box %d %d %s\n", box_count++, 0, log_id(cell->name)); f << stringf("box %d %d %s\n", box_count++, 0, log_id(cell->name));
output_lines.sort(); output_lines.sort();
if (omode)
output_lines[State::S0] = "output 0 0 $__dummy__\n";
for (auto &it : output_lines) for (auto &it : output_lines)
f << it.second; f << it.second;
log_assert(output_lines.size() == output_bits.size()); log_assert(output_lines.size() == output_bits.size());
if (omode && output_bits.empty())
f << "output " << output_lines.size() << " 0 $__dummy__\n";
wire_lines.sort(); wire_lines.sort();
for (auto &it : wire_lines) for (auto &it : wire_lines)