diff options
Diffstat (limited to 'kernel/rtlil.cc')
| -rw-r--r-- | kernel/rtlil.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc index f42f5430f..bd2fd91a3 100644 --- a/kernel/rtlil.cc +++ b/kernel/rtlil.cc @@ -3083,6 +3083,7 @@ void RTLIL::SigSpec::replace(const dict<RTLIL::SigBit, RTLIL::SigBit> &rules, RT log_assert(other != NULL); log_assert(width_ == other->width_); + if (rules.empty()) return; unpack(); other->unpack(); @@ -3107,6 +3108,7 @@ void RTLIL::SigSpec::replace(const std::map<RTLIL::SigBit, RTLIL::SigBit> &rules log_assert(other != NULL); log_assert(width_ == other->width_); + if (rules.empty()) return; unpack(); other->unpack(); @@ -3552,6 +3554,12 @@ bool RTLIL::SigSpec::operator ==(const RTLIL::SigSpec &other) const if (width_ != other.width_) return false; + // Without this, SigSpec() == SigSpec(State::S0, 0) will fail + // since the RHS will contain one SigChunk of width 0 causing + // the size check below to fail + if (width_ == 0) + return true; + pack(); other.pack(); |