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| author | gatecat <gatecat@ds0.me> | 2022-02-26 15:17:46 +0000 |
|---|---|---|
| committer | gatecat <gatecat@ds0.me> | 2022-02-27 13:47:05 +0000 |
| commit | 86699b42f619960bfefd4d0b479dd44a90527ea4 (patch) | |
| tree | 06997246ae104b75ce472215fcee3ba37ee5c50c /generic/viaduct/okami | |
| parent | 434a9737bb459189b463c8768454ea6c0e151406 (diff) | |
| download | nextpnr-86699b42f619960bfefd4d0b479dd44a90527ea4.tar.gz nextpnr-86699b42f619960bfefd4d0b479dd44a90527ea4.tar.bz2 nextpnr-86699b42f619960bfefd4d0b479dd44a90527ea4.zip | |
Switch to potentially-sparse net users array
This uses a new data structure for net.users that allows gaps, so
removing a port from a net is no longer an O(n) operation on the number
of users the net has.
Signed-off-by: gatecat <gatecat@ds0.me>
Diffstat (limited to 'generic/viaduct/okami')
| -rw-r--r-- | generic/viaduct/okami/okami.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/generic/viaduct/okami/okami.cc b/generic/viaduct/okami/okami.cc index bcb34e84..864bdb45 100644 --- a/generic/viaduct/okami/okami.cc +++ b/generic/viaduct/okami/okami.cc @@ -511,7 +511,7 @@ struct OkamiImpl : ViaductAPI const auto &ff_data = fast_cell_info.at(ff->flat_index); // In our example arch; the FF D can either be driven from LUT F or LUT I3 // so either; FF D must equal LUT F or LUT I3 must be unused - if (ff_data.ff_d == lut_data.lut_f && lut_data.lut_f->users.size() == 1) + if (ff_data.ff_d == lut_data.lut_f && lut_data.lut_f->users.entries() == 1) return true; // Can't route FF and LUT output separately return false; |