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Detect when there is no next cell for DSP chain

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This commit is contained in:
Miodrag Milanovic 2024-09-12 09:39:12 +02:00
parent 400bc09151
commit b9b9b241ab
1 changed files with 4 additions and 0 deletions
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4
himbaechel/uarch/ng-ultra/location_map.cc
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@ -457,6 +457,10 @@ namespace ng_ultra {
Loc getNextLocInDSPChain(const NgUltraImpl *impl, Loc loc) Loc getNextLocInDSPChain(const NgUltraImpl *impl, Loc loc)
{ {
BelId bel = impl->ctx->getBelByLocation(loc); BelId bel = impl->ctx->getBelByLocation(loc);
if (impl->dsp_cascade.count(bel)==0) {
loc.z = -1; // End of chain
return loc;
}
BelId dsp = impl->dsp_cascade.at(bel); BelId dsp = impl->dsp_cascade.at(bel);
return impl->ctx->getBelLocation(dsp); return impl->ctx->getBelLocation(dsp);
} }