diff options
Diffstat (limited to 'common/placer1.cc')
| -rw-r--r-- | common/placer1.cc | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/common/placer1.cc b/common/placer1.cc index 8c467162..b22a66cb 100644 --- a/common/placer1.cc +++ b/common/placer1.cc @@ -245,16 +245,18 @@ class SAPlacer // Once cooled below legalise threshold, run legalisation and start requiring // legal moves only if (temp < legalise_temp && require_legal) { - legalise_relative_constraints(ctx); - require_legal = false; - autoplaced.clear(); - for (auto cell : sorted(ctx->cells)) { - if (cell.second->belStrength < STRENGTH_STRONG) - autoplaced.push_back(cell.second); + if (legalise_relative_constraints(ctx)) { + // Only increase temperature if something was moved + autoplaced.clear(); + for (auto cell : sorted(ctx->cells)) { + if (cell.second->belStrength < STRENGTH_STRONG) + autoplaced.push_back(cell.second); + } + temp = post_legalise_temp; + diameter *= post_legalise_dia_scale; + ctx->shuffle(autoplaced); } - temp = post_legalise_temp; - diameter *= post_legalise_dia_scale; - ctx->shuffle(autoplaced); + require_legal = false; // Legalisation is a big change so force a slack redistribution here if (ctx->slack_redist_iter > 0) |