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| author | David Shah <dave@ds0.me> | 2020-11-16 13:31:43 +0000 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2020-11-30 08:45:28 +0000 |
| commit | 6b5277638bc63b592e30acb4f51a4df3a8bd59d8 (patch) | |
| tree | a2d55d1d1e03afd7800f996e37205274efbe2248 /nexus/arch.h | |
| parent | 160045a058dc6f5dea278f133f227697532f8cbb (diff) | |
| download | nextpnr-6b5277638bc63b592e30acb4f51a4df3a8bd59d8.tar.gz nextpnr-6b5277638bc63b592e30acb4f51a4df3a8bd59d8.tar.bz2 nextpnr-6b5277638bc63b592e30acb4f51a4df3a8bd59d8.zip | |
nexus: Fix slow routing around DSPs
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'nexus/arch.h')
| -rw-r--r-- | nexus/arch.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/nexus/arch.h b/nexus/arch.h index f7299cb7..debf66b0 100644 --- a/nexus/arch.h +++ b/nexus/arch.h @@ -1367,6 +1367,10 @@ struct Arch : BaseCtx bool getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t &budget) const; ArcBounds getRouteBoundingBox(WireId src, WireId dst) const; + // for better DSP bounding boxes + void pre_routing(); + std::unordered_set<WireId> dsp_wires; + // ------------------------------------------------- // Get the delay through a cell from one port to another, returning false |