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Add xc7 specific hack for global network routing

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This commit is contained in:
Eddie Hung 2018-12-08 22:49:55 -08:00
parent 097062c5cb
commit e87b96fe4a
1 changed files with 14 additions and 0 deletions
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14
common/router1.cc
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@ -512,6 +512,20 @@ struct Router1
WireId next_wire = ctx->getPipDstWire(pip);
next_delay += ctx->getWireDelay(next_wire).maxDelay();
#ifdef ARCH_XC7
if (ctx->isGlobalNet(net_info)) {
if (torc_info->wire_is_global[src_wire.index] && !torc_info->wire_is_global[next_wire.index]) {
const auto &arc = torc_info->pip_to_arc[pip.index];
const auto &next_tw = arc.getSinkTilewire();
const auto &next_loc = torc_info->tile_to_xy[next_tw.getTileIndex()];
const auto &dst_tw = torc_info->wire_to_tilewire[dst_wire.index];
const auto &dst_loc = torc_info->tile_to_xy[dst_tw.getTileIndex()];
if (next_loc.second != dst_loc.second || next_loc.first != dst_loc.first)
continue;
}
}
#endif
WireId conflictWireWire = WireId(), conflictPipWire = WireId();
NetInfo *conflictWireNet = nullptr, *conflictPipNet = nullptr;