diff options
| author | Clifford Wolf <clifford@clifford.at> | 2014-10-16 11:49:31 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2014-10-16 11:49:31 +0200 |
| commit | 18cb8b4636933cb5a1ad3040f061d53345d1aa1d (patch) | |
| tree | 6fef7c7b533b0bb07e2eda73f4dab8fcabc5889b /passes/opt | |
| parent | 66eb254fc2595a6dcd94b439b0b287cc59c47270 (diff) | |
Don't be too smart with $dff cells with "init" attribute on out signal
Diffstat (limited to 'passes/opt')
| -rw-r--r-- | passes/opt/opt_rmdff.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/passes/opt/opt_rmdff.cc b/passes/opt/opt_rmdff.cc index c7e92ddc..5f52bb8d 100644 --- a/passes/opt/opt_rmdff.cc +++ b/passes/opt/opt_rmdff.cc @@ -83,7 +83,7 @@ bool handle_dff(RTLIL::Module *mod, RTLIL::Cell *dff) val_init.bits.push_back(bit.wire == NULL ? bit.data : RTLIL::State::Sx); } - if (dff->type == "$dff" && mux_drivers.has(sig_d)) { + if (dff->type == "$dff" && mux_drivers.has(sig_d) && !has_init) { std::set<RTLIL::Cell*> muxes; mux_drivers.find(sig_d, muxes); for (auto mux : muxes) { |