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Merge remote-tracking branch 'origin/eddie/shregmap_improve' into xc7mux

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Eddie Hung 2019-06-10 16:21:43 -07:00
commit a138381ac3
3 changed files with 59 additions and 3 deletions
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9
passes/techmap/shregmap.cc
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@ -293,10 +293,13 @@ struct ShregmapWorker
if (opts.init || sigbit_init.count(q_bit) == 0)
{
if (sigbit_chain_next.count(d_bit)) {
auto r = sigbit_chain_next.insert(std::make_pair(d_bit, cell));
if (!r.second) {
sigbit_with_non_chain_users.insert(d_bit);
} else
sigbit_chain_next[d_bit] = cell;
Wire *wire = module->addWire(NEW_ID);
module->connect(wire, d_bit);
sigbit_chain_next.insert(std::make_pair(wire, cell));
}
sigbit_chain_prev[q_bit] = cell;
continue;