diff options
| -rw-r--r-- | kernel/consteval.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/consteval.h b/kernel/consteval.h index 4d48b45ea..0229f5045 100644 --- a/kernel/consteval.h +++ b/kernel/consteval.h @@ -36,8 +36,9 @@ struct ConstEval SigSet<RTLIL::Cell*> sig2driver; std::set<RTLIL::Cell*> busy; std::vector<SigMap> stack; + RTLIL::State defaultval; - ConstEval(RTLIL::Module *module) : module(module), assign_map(module) + ConstEval(RTLIL::Module *module, RTLIL::State defaultval = RTLIL::State::Sm) : module(module), assign_map(module), defaultval(defaultval) { CellTypes ct; ct.setup_internals(); @@ -365,6 +366,12 @@ struct ConstEval if (sig.is_fully_const()) return true; + if (defaultval != RTLIL::State::Sm) { + for (auto &bit : sig) + if (bit.wire) bit = defaultval; + return true; + } + for (auto &c : sig.chunks()) if (c.wire != NULL) undef.append(c); |