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| author | gatecat <gatecat@ds0.me> | 2021-12-19 16:41:34 +0000 |
|---|---|---|
| committer | gatecat <gatecat@ds0.me> | 2021-12-19 17:15:15 +0000 |
| commit | ddb084e9a8a0cba10536951236cde824526e8071 (patch) | |
| tree | d03ba5688367cb476a06b19d04ca78d0352afce3 /common/nextpnr_types.cc | |
| parent | 56d550733346000584b9490fac0953fe07124035 (diff) | |
| download | nextpnr-ddb084e9a8a0cba10536951236cde824526e8071.tar.gz nextpnr-ddb084e9a8a0cba10536951236cde824526e8071.tar.bz2 nextpnr-ddb084e9a8a0cba10536951236cde824526e8071.zip | |
archapi: Use arbitrary rather than actual placement in predictDelay
This makes predictDelay be based on an arbitrary belpin pair rather
than a arc of a net based on cell placement. This way 'what-if'
decisions can be evaluated without actually changing placement;
potentially useful for parallel placement.
A new helper predictArcDelay behaves like the old predictDelay to
minimise the impact on existing passes; only arches need be updated.
Signed-off-by: gatecat <gatecat@ds0.me>
Diffstat (limited to 'common/nextpnr_types.cc')
0 files changed, 0 insertions, 0 deletions