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static: Improve singleton handling

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Signed-off-by: gatecat <gatecat@ds0.me>
This commit is contained in:
gatecat 2024-02-20 10:25:35 +01:00
parent 255633c9f3
commit aa26ba7ea1
1 changed files with 11 additions and 1 deletions
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12
common/place/placer_static.cc
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@ -408,7 +408,17 @@ class StaticPlacer
StaticRect rect; StaticRect rect;
// Mismatched group case // Mismatched group case
if (!lookup_group(ci->type, cell_group, rect)) { if (!lookup_group(ci->type, cell_group, rect)) {
// TODO: what is the best thing to do here? singletons/odd cells we can probably mostly randomly place for (auto bel : ctx->getBels()) {
if (ctx->isValidBelForCellType(ci->type, bel) && ctx->checkBelAvail(bel)) {
ctx->bindBel(bel, ci, STRENGTH_STRONG);
if (!ctx->isBelLocationValid(bel)) {
ctx->unbindBel(bel);
} else {
log_info(" placed potpourri cell '%s' at bel '%s'\n", ctx->nameOf(ci), ctx->nameOfBel(bel));
break;
}
}
}
continue; continue;
} }
if (ci->cluster != ClusterId()) { if (ci->cluster != ClusterId()) {