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placer1: add sanity check for try_swap_chain (#1472)

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Miodrag Milanović 2025-04-13 19:11:11 +02:00 committed by GitHub
parent a5cff55520
commit 7a3a43e150
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1 changed files with 8 additions and 3 deletions
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11
common/place/placer1.cc
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@ -638,9 +638,14 @@ class SAPlacer
Loc old_loc = ctx->getBelLocation(old_bel);
Loc bound_loc = ctx->getBelLocation(bound->bel);
Loc root_loc = ctx->getBelLocation(ctx->getClusterRootCell(bound->cluster)->bel);
BelId new_root = ctx->getBelByLocation(Loc(old_loc.x + (root_loc.x - bound_loc.x),
old_loc.y + (root_loc.y - bound_loc.y),
old_loc.z + (root_loc.z - bound_loc.z)));
Loc new_loc =
Loc(old_loc.x + (root_loc.x - bound_loc.x), old_loc.y + (root_loc.y - bound_loc.y),
old_loc.z + (root_loc.z - bound_loc.z));
if (new_loc.x < 0 || new_loc.x >= ctx->getGridDimX())
goto swap_fail;
if (new_loc.y < 0 || new_loc.y >= ctx->getGridDimY())
goto swap_fail;
BelId new_root = ctx->getBelByLocation(new_loc);
if (new_root == BelId())
goto swap_fail;
for (auto cluster_cell : cluster2cell.at(bound->cluster)) {