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| author | David Shah <davey1576@gmail.com> | 2019-03-23 23:15:05 +0100 |
|---|---|---|
| committer | David Shah <davey1576@gmail.com> | 2019-03-23 23:15:05 +0100 |
| commit | 52e05f4a0706b1c108221e600ff11e654f6e85a5 (patch) | |
| tree | b2e70166123e4d40431f6a49b1a3101d57271ace /common | |
| parent | e04efa8c6eb54563702c41591526cd7356ed9013 (diff) | |
| download | nextpnr-52e05f4a0706b1c108221e600ff11e654f6e85a5.tar.gz nextpnr-52e05f4a0706b1c108221e600ff11e654f6e85a5.tar.bz2 nextpnr-52e05f4a0706b1c108221e600ff11e654f6e85a5.zip | |
placer1: Fix regression moving chained cells pre-legalise
Signed-off-by: David Shah <davey1576@gmail.com>
Diffstat (limited to 'common')
| -rw-r--r-- | common/placer1.cc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/common/placer1.cc b/common/placer1.cc index 0c918f33..99b24640 100644 --- a/common/placer1.cc +++ b/common/placer1.cc @@ -475,11 +475,12 @@ class SAPlacer { static const double epsilon = 1e-20; moveChange.reset(); - if (is_constrained(cell)) + if (!require_legal && is_constrained(cell)) return false; BelId oldBel = cell->bel; CellInfo *other_cell = ctx->getBoundBelCell(newBel); - if (other_cell != nullptr && (is_constrained(other_cell) || other_cell->belStrength > STRENGTH_WEAK)) { + if (!require_legal && other_cell != nullptr && + (is_constrained(other_cell) || other_cell->belStrength > STRENGTH_WEAK)) { return false; } int old_dist = get_constraints_distance(ctx, cell); |