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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 /ecp5 | |
| 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 'ecp5')
| -rw-r--r-- | ecp5/arch.cc | 5 | ||||
| -rw-r--r-- | ecp5/arch.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/ecp5/arch.cc b/ecp5/arch.cc index 55fe5704..88b5e4d4 100644 --- a/ecp5/arch.cc +++ b/ecp5/arch.cc @@ -413,6 +413,11 @@ delay_t Arch::estimateDelay(WireId src, WireId dst) const return 200 * (abs(src.location.x - dst.location.x) + abs(src.location.y - dst.location.y)); } +delay_t Arch::predictDelay(WireId src, WireId dst) const +{ + return 200 * (abs(src.location.x - dst.location.x) + abs(src.location.y - dst.location.y)); +} + // ----------------------------------------------------------------------- bool Arch::place() { return placer1(getCtx()); } diff --git a/ecp5/arch.h b/ecp5/arch.h index b6aac9cf..13f2db1f 100644 --- a/ecp5/arch.h +++ b/ecp5/arch.h @@ -776,6 +776,7 @@ struct Arch : BaseCtx // ------------------------------------------------- delay_t estimateDelay(WireId src, WireId dst) const; + delay_t predictDelay(WireId src, WireId dst) const; delay_t getDelayEpsilon() const { return 20; } delay_t getRipupDelayPenalty() const { return 200; } float getDelayNS(delay_t v) const { return v * 0.001; } |