diff options
Diffstat (limited to 'ecp5/arch.cc')
| -rw-r--r-- | ecp5/arch.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/ecp5/arch.cc b/ecp5/arch.cc index 938b5f8e..d4b53f47 100644 --- a/ecp5/arch.cc +++ b/ecp5/arch.cc @@ -620,6 +620,11 @@ DecalXY Arch::getGroupDecal(GroupId pip) const { return {}; }; bool Arch::getDelayFromTimingDatabase(IdString tctype, IdString from, IdString to, DelayInfo &delay) const { + auto fnd_dk = celldelay_cache.find({tctype, from, to}); + if (fnd_dk != celldelay_cache.end()) { + delay = fnd_dk->second.second; + return fnd_dk->second.first; + } for (int i = 0; i < speed_grade->num_cell_timings; i++) { const auto &tc = speed_grade->cell_timings[i]; if (tc.cell_type == tctype.index) { @@ -628,9 +633,11 @@ bool Arch::getDelayFromTimingDatabase(IdString tctype, IdString from, IdString t if (dly.from_port == from.index && dly.to_port == to.index) { delay.max_delay = dly.max_delay; delay.min_delay = dly.min_delay; + celldelay_cache[{tctype, from, to}] = std::make_pair(true, delay); return true; } } + celldelay_cache[{tctype, from, to}] = std::make_pair(false, DelayInfo()); return false; } } @@ -660,7 +667,6 @@ void Arch::getSetupHoldFromTimingDatabase(IdString tctype, IdString clock, IdStr bool Arch::getCellDelay(const CellInfo *cell, IdString fromPort, IdString toPort, DelayInfo &delay) const { - // Data for -8 grade if (cell->type == id_TRELLIS_SLICE) { bool has_carry = cell->sliceInfo.is_carry; |