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Merge pull request #2356 from whitequark/flatten-techmap-no-tpl_driven-sigmap

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flatten, techmap: don't canonicalize tpl driven bits via sigmap
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whitequark 2020-08-27 11:28:31 +00:00 • committed by GitHub
commit 2d10d59d93
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3 changed files with 17 additions and 9 deletions
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8
passes/techmap/techmap.cc
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@ -233,16 +233,14 @@ struct TechmapWorker
}
}
SigMap tpl_sigmap(tpl);
pool<SigBit> tpl_written_bits;
for (auto tpl_cell : tpl->cells())
for (auto &conn : tpl_cell->connections())
if (tpl_cell->output(conn.first))
for (auto bit : tpl_sigmap(conn.second))
for (auto bit : conn.second)
tpl_written_bits.insert(bit);
for (auto &conn : tpl->connections())
for (auto bit : tpl_sigmap(conn.first))
for (auto bit : conn.first)
tpl_written_bits.insert(bit);
SigMap port_signal_map;
@ -280,7 +278,7 @@ struct TechmapWorker
SigSpec sig_tpl = w, sig_tpl_pf = w, sig_mod = it.second;
apply_prefix(cell->name, sig_tpl_pf, module);
for (int i = 0; i < GetSize(sig_tpl) && i < GetSize(sig_mod); i++) {
if (tpl_written_bits.count(tpl_sigmap(sig_tpl[i]))) {
if (tpl_written_bits.count(sig_tpl[i])) {
c.first.append(sig_mod[i]);
c.second.append(sig_tpl_pf[i]);
} else {