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Merge remote-tracking branch 'origin/xaig' into xc7mux

This commit is contained in:
Eddie Hung 2019-06-14 14:20:36 -07:00
parent 4d7516f459 7ff8330d1e
commit 627ea0b2a9
1 changed files with 3 additions and 1 deletions
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4
backends/aiger/xaiger.cc
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@ -185,6 +185,8 @@ struct XAigerWriter
if (!bit.wire->port_input)
unused_bits.erase(bit);
// TODO: Speed up toposort -- ultimately we care about
// box ordering, but not individual AIG cells
dict<SigBit, pool<IdString>> bit_drivers, bit_users;
TopoSort<IdString, RTLIL::sort_by_id_str> toposort;
bool abc_box_seen = false;
@ -329,7 +331,7 @@ struct XAigerWriter
//log_warning("Unsupported cell type: %s (%s)\n", log_id(cell->type), log_id(cell));
}
if (abc_box_seen && !holes_mode) {
if (abc_box_seen) {
for (auto &it : bit_users)
if (bit_drivers.count(it.first))
for (auto driver_cell : bit_drivers.at(it.first))