diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/placer1.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/common/placer1.cc b/common/placer1.cc index c2698ad9..1f940dac 100644 --- a/common/placer1.cc +++ b/common/placer1.cc @@ -552,7 +552,9 @@ class SAPlacer add_move_cell(moveChange, other_cell, newBel); } - if (!ctx->isBelLocationValid(newBel) || ((other_cell != nullptr && !ctx->isBelLocationValid(oldBel)))) { + // Always check both the new and old locations; as in some cases of dedicated routing ripping up a cell can deny + // use of a dedicated path and thus make a site illegal + if (!ctx->isBelLocationValid(newBel) || !ctx->isBelLocationValid(oldBel)) { ctx->unbindBel(newBel); if (other_cell != nullptr) ctx->unbindBel(oldBel); |