diff options
Diffstat (limited to 'techlibs/ice40/ice40_ffssr.cc')
| -rw-r--r-- | techlibs/ice40/ice40_ffssr.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/techlibs/ice40/ice40_ffssr.cc b/techlibs/ice40/ice40_ffssr.cc index 9a6d69df0..9afbc0fce 100644 --- a/techlibs/ice40/ice40_ffssr.cc +++ b/techlibs/ice40/ice40_ffssr.cc @@ -81,7 +81,12 @@ struct Ice40FfssrPass : public Pass { for (auto cell : ff_cells) { - SigBit bit_d = sigmap(cell->getPort("\\D")); + SigSpec sig_d = cell->getPort("\\D"); + + if (GetSize(sig_d) < 1) + continue; + + SigBit bit_d = sigmap(sig_d[0]); if (sr_muxes.count(bit_d) == 0) continue; |