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equiv_simple: Do not special-case flip-flop types in cone expansion

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If there's an asynchronous flip-flop type, it will be caught by not
having a synchronous SAT model later on. Otherwise we can support all
flip-flops.
This commit is contained in:
Martin Povišer 2023-10-02 11:08:50 +02:00
parent 26644ea779
commit dbf11da50a
1 changed files with 1 additions and 1 deletions
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2
passes/equiv/equiv_simple.cc
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@ -60,7 +60,7 @@ struct EquivSimpleWorker
for (auto &conn : cell->connections())
if (yosys_celltypes.cell_input(cell->type, conn.first))
for (auto bit : sigmap(conn.second)) {
if (cell->type.in(ID($dff), ID($_DFF_P_), ID($_DFF_N_), ID($ff), ID($_FF_))) {
if (RTLIL::builtin_ff_cell_types().count(cell->type)) {
if (!conn.first.in(ID::CLK, ID::C))
next_seed.insert(bit);
} else