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Do not consider route-through for CLB tiles

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This commit is contained in:
Eddie Hung 2018-09-03 13:17:16 -07:00
parent d2597bcd8d
commit c128df127b
1 changed files with 8 additions and 2 deletions
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10
xc7/arch.cc
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@ -115,7 +115,6 @@ std::vector<Tilewire> TorcInfo::construct_wire_to_tilewire(const Segments& segme
currentTilewire.setTileIndex(tileIndex);
for(WireIndex wireIndex(0); wireIndex < wireCount; wireIndex++) {
currentTilewire.setWireIndex(wireIndex);
const auto& currentSegment = segments.getTilewireSegment(currentTilewire);
if (!currentSegment.isTrivial()) {
@ -134,6 +133,8 @@ std::vector<Tilewire> TorcInfo::construct_wire_to_tilewire(const Segments& segme
}
std::vector<Arc> TorcInfo::construct_pip_to_arc(const std::vector<Tilewire>& wire_to_tilewire, const DDB& ddb, std::vector<std::vector<int>> &wire_to_pips_uphill, std::vector<std::vector<int>> &wire_to_pips_downhill)
{
const auto &tiles = ddb.getTiles();
std::vector<Arc> pip_to_arc;
wire_to_pips_downhill.resize(wire_to_tilewire.size());
@ -144,7 +145,12 @@ std::vector<Arc> TorcInfo::construct_pip_to_arc(const std::vector<Tilewire>& wir
const auto &tw = wire_to_tilewire[i];
if (tw.isUndefined()) continue;
arcs.clear();
const_cast<DDB&>(ddb).expandSegmentSinks(tw, arcs, DDB::eExpandDirectionNone, false /* inUseTied */, true /*inUseRegular */, true /* inUseIrregular */, false /* inUseRoutethrough */);
const auto& tileInfo = tiles.getTileInfo(tw.getTileIndex());
const auto tileTypeName = tiles.getTileTypeName(tileInfo.getTypeIndex());
bool clb = boost::starts_with(tileTypeName, "CLB");
const_cast<DDB&>(ddb).expandSegmentSinks(tw, arcs, DDB::eExpandDirectionNone, false /* inUseTied */, true /*inUseRegular */, true /* inUseIrregular */, !clb /* inUseRoutethrough */);
auto index = pip_to_arc.size();
pip_to_arc.insert(pip_to_arc.end(), arcs.begin(), arcs.end());