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Merge pull request #5349 from rocallahan/cleanup-hashops

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Reduce hashops verbiage in `OptMergePass`
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Emil J 2025-09-30 19:34:44 +02:00 • committed by GitHub
commit 7719beb4ae
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2 changed files with 14 additions and 7 deletions
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13
passes/opt/opt_merge.cc
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@ -34,6 +34,9 @@
USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN
template <typename T, typename U>
inline Hasher hash_pair(const T &t, const U &u) { return hash_ops<std::pair<T, U>>::hash(t, u); }
struct OptMergeWorker
{
RTLIL::Design *design;
@ -52,7 +55,7 @@ struct OptMergeWorker
hashlib::commutative_hash comm;
for (int i = 0; i < s_width; i++)
comm.eat(hash_ops<std::pair<SigBit, SigSpec>>::hash({sig_s[i], sig_b.extract(i*width, width)}));
comm.eat(hash_pair(sig_s[i], sig_b.extract(i*width, width)));
return comm.hash_into(h);
}
@ -87,8 +90,8 @@ struct OptMergeWorker
if (cell->type.in(ID($and), ID($or), ID($xor), ID($xnor), ID($add), ID($mul),
ID($logic_and), ID($logic_or), ID($_AND_), ID($_OR_), ID($_XOR_))) {
hashlib::commutative_hash comm;
comm.eat(hash_ops<RTLIL::SigSpec>::hash(assign_map(cell->getPort(ID::A))));
comm.eat(hash_ops<RTLIL::SigSpec>::hash(assign_map(cell->getPort(ID::B))));
comm.eat(assign_map(cell->getPort(ID::A)));
comm.eat(assign_map(cell->getPort(ID::B)));
h = comm.hash_into(h);
} else if (cell->type.in(ID($reduce_xor), ID($reduce_xnor))) {
SigSpec a = assign_map(cell->getPort(ID::A));
@ -108,7 +111,7 @@ struct OptMergeWorker
for (const auto& [port, sig] : cell->connections()) {
if (cell->output(port))
continue;
comm.eat(hash_ops<std::pair<IdString, SigSpec>>::hash(port, assign_map(sig)));
comm.eat(hash_pair(port, assign_map(sig)));
}
h = comm.hash_into(h);
if (cell->is_builtin_ff())
@ -121,7 +124,7 @@ struct OptMergeWorker
{
hashlib::commutative_hash comm;
for (const auto& param : cell->parameters) {
comm.eat(hash_ops<std::pair<IdString, Const>>::hash(param));
comm.eat(param);
}
return comm.hash_into(h);
}