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xaiger: no longer use nonstandard even/odd to designate +ve/-ve polarity

This commit is contained in:
Eddie Hung 2020-04-16 14:02:42 -07:00
parent 4017cc6380
commit e357b40e7a
1 changed files with 5 additions and 16 deletions
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21
backends/aiger/xaiger.cc
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@ -620,27 +620,16 @@ struct XAigerWriter
auto write_s_buffer = std::bind(write_buffer, std::ref(s_buffer), std::placeholders::_1);
write_s_buffer(ff_bits.size());
dict<SigBit, int> clk_to_mergeability;
for (const auto &i : ff_bits) {
const Cell *cell = i.second;
log_assert(cell->type.in(ID($_DFF_N_), ID($_DFF_P_)));
SigBit clock = sigmap(cell->getPort(ID::C));
clk_to_mergeability.insert(std::make_pair(clock, clk_to_mergeability.size()*2+1));
}
dict<SigSpec, int> clk_to_mergeability;
for (const auto &i : ff_bits) {
const SigBit &d = i.first;
const Cell *cell = i.second;
SigBit clock = sigmap(cell->getPort(ID::C));
int mergeability = clk_to_mergeability.at(clock);
SigSpec clk_and_pol{sigmap(cell->getPort(ID::C)), cell->type[6] == 'P' ? State::S1 : State::S0};
auto r = clk_to_mergeability.insert(std::make_pair(clk_and_pol, clk_to_mergeability.size()+1));
int mergeability = r.first->second;
log_assert(mergeability > 0);
if (cell->type == ID($_DFF_N_))
write_r_buffer(mergeability);
else if (cell->type == ID($_DFF_P_))
write_r_buffer(mergeability+1);
else log_abort();
write_r_buffer(mergeability);
SigBit Q = sigmap(cell->getPort(ID::Q));
State init = init_map.at(Q, State::Sx);