diff options
Diffstat (limited to 'passes')
| -rw-r--r-- | passes/proc/proc_mux.cc | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/passes/proc/proc_mux.cc b/passes/proc/proc_mux.cc index cd459d949..50ba8fa1e 100644 --- a/passes/proc/proc_mux.cc +++ b/passes/proc/proc_mux.cc @@ -68,20 +68,16 @@ static RTLIL::SigSpec gen_cmp(RTLIL::Module *mod, const RTLIL::SigSpec &signal, for (auto comp : compare) { RTLIL::SigSpec sig = signal; - sig.expand(); - comp.expand(); // get rid of don't-care bits assert(sig.size() == comp.size()); for (int i = 0; i < comp.size(); i++) - if (comp.chunks()[i].wire == NULL && comp.chunks()[i].data.bits[0] == RTLIL::State::Sa) { - sig.remove(i, 1); - comp.remove(i--, 1); + if (comp[i] == RTLIL::State::Sa) { + sig.remove(i); + comp.remove(i--); } if (comp.size() == 0) return RTLIL::SigSpec(); - sig.optimize(); - comp.optimize(); if (sig.size() == 1 && comp == RTLIL::SigSpec(1,1)) { |