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Merge pull request #984 from YosysHQ/eddie/fix_982

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dffinit to do nothing when (* init *) value is 1'bx
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Clifford Wolf 2019-05-03 20:34:32 +02:00 committed by GitHub
parent 71ede7cb05 1d43a25f08
commit f170fb6383
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1 changed files with 2 additions and 1 deletions
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passes/techmap/dffinit.cc
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@ -102,7 +102,8 @@ struct DffinitPass : public Pass {
if (wire->attributes.count("\\init")) { if (wire->attributes.count("\\init")) {
Const value = wire->attributes.at("\\init"); Const value = wire->attributes.at("\\init");
for (int i = 0; i < min(GetSize(value), GetSize(wire)); i++) for (int i = 0; i < min(GetSize(value), GetSize(wire)); i++)
init_bits[sigmap(SigBit(wire, i))] = value[i]; if (value[i] != State::Sx)
init_bits[sigmap(SigBit(wire, i))] = value[i];
} }
if (wire->port_output) if (wire->port_output)
for (auto bit : sigmap(wire)) for (auto bit : sigmap(wire))