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| author | Clifford Wolf <clifford@clifford.at> | 2018-07-30 15:35:40 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2018-07-30 15:35:40 +0200 |
| commit | 0daffec2a0efdbea36201eeb5666d208a10d0226 (patch) | |
| tree | effbd8bfd41387213ee0ae3c899e1b25b47e4476 /common | |
| parent | b5f90d381481dc3658c408b162aa433e183f79f4 (diff) | |
| download | nextpnr-0daffec2a0efdbea36201eeb5666d208a10d0226.tar.gz nextpnr-0daffec2a0efdbea36201eeb5666d208a10d0226.tar.bz2 nextpnr-0daffec2a0efdbea36201eeb5666d208a10d0226.zip | |
Add predictDelay Arch API
Signed-off-by: Clifford Wolf <clifford@clifford.at>
Diffstat (limited to 'common')
| -rw-r--r-- | common/nextpnr.cc | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/common/nextpnr.cc b/common/nextpnr.cc index cf1b5982..5b0a45ed 100644 --- a/common/nextpnr.cc +++ b/common/nextpnr.cc @@ -93,7 +93,9 @@ delay_t Context::getNetinfoRouteDelay(NetInfo *net_info, int user_idx) const WireId src_wire = getNetinfoSourceWire(net_info); if (src_wire == WireId()) return 0; - WireId cursor = getNetinfoSinkWire(net_info, user_idx); + + WireId dst_wire = getNetinfoSinkWire(net_info, user_idx); + WireId cursor = dst_wire; delay_t delay = 0; while (cursor != WireId() && cursor != src_wire) { @@ -107,11 +109,9 @@ delay_t Context::getNetinfoRouteDelay(NetInfo *net_info, int user_idx) const } if (cursor == src_wire) - delay += getWireDelay(src_wire).maxDelay(); - else - delay += estimateDelay(src_wire, cursor); + return delay + getWireDelay(src_wire).maxDelay(); - return delay; + return predictDelay(src_wire, dst_wire); } static uint32_t xorshift32(uint32_t x) |