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Build constant bits directly rather than constructing an object and copying its bits.

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This commit is contained in:
Alberto Gonzalez 2020-04-20 05:10:08 +00:00
parent f235f212ea
commit c658d9d59d
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1 changed files with 5 additions and 2 deletions
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7
passes/techmap/techmap.cc
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@ -767,8 +767,11 @@ struct TechmapWorker
if (tpl->avail_parameters.count(stringf("\\_TECHMAP_CONNMAP_%s_", log_id(conn.first))) != 0) {
RTLIL::Const value;
for (auto &bit : sigmap(conn.second)) {
RTLIL::Const chunk(unique_bit_id.at(bit), bits);
value.bits.insert(value.bits.end(), chunk.bits.begin(), chunk.bits.end());
int val = unique_bit_id.at(bit);
for (int i = 0; i < bits; i++) {
value.bits.push_back((val & 1) != 0 ? State::S1 : State::S0);
val = val >> 1;
}
}
parameters[stringf("\\_TECHMAP_CONNMAP_%s_", log_id(conn.first))] = value;
}