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

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This reverts commit a138381ac3, reversing
changes made to b77c5da769.
This commit is contained in:
Eddie Hung 2019-06-12 09:05:02 -07:00
parent 882a83c383
commit 2cbcd6224c
3 changed files with 3 additions and 59 deletions
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9
passes/techmap/shregmap.cc
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@ -293,13 +293,10 @@ struct ShregmapWorker
if (opts.init || sigbit_init.count(q_bit) == 0)
{
auto r = sigbit_chain_next.insert(std::make_pair(d_bit, cell));
if (!r.second) {
if (sigbit_chain_next.count(d_bit)) {
sigbit_with_non_chain_users.insert(d_bit);
Wire *wire = module->addWire(NEW_ID);
module->connect(wire, d_bit);
sigbit_chain_next.insert(std::make_pair(wire, cell));
}
} else
sigbit_chain_next[d_bit] = cell;
sigbit_chain_prev[q_bit] = cell;
continue;