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static: Fix spacer insertion 

Signed-off-by: gatecat <gatecat@ds0.me>
This commit is contained in:
gatecat 2026-05-11 12:07:57 +02:00
parent 2622bbfcda
commit 68fb8c0d4c
1 changed files with 2 additions and 2 deletions
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4
common/place/placer_static.cc
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@ -594,7 +594,6 @@ class StaticPlacer
{
log_info("⌁ inserting spacers...\n");
int inserted_spacers = 0;
for (int group = 0; group < int(groups.size()); group++) {
const auto &cg = cfg.cell_groups.at(group);
const auto &g = groups.at(group);
@ -602,6 +601,7 @@ class StaticPlacer
log_info("⌁ group %s pre-spacer utilisation %.02f%% (target %.02f%%)\n", ctx->nameOf(cg.name),
(util * 100.0), (target_util * 100.0));
// TODO: better computation of spacer size and placement?
int inserted_spacers = 0;
int spacer_count = (g.total_area * target_util - g.concrete_area) / cg.spacer_rect.area();
if (spacer_count <= 0)
continue;
@ -614,8 +614,8 @@ class StaticPlacer
add_cell(cg.spacer_rect, group, RealPair(x + ctx->rngf(1.0), y + ctx->rngf(1.0)), nullptr /*spacer*/);
++inserted_spacers;
}
log_info("⌁ group %s inserted a total of %d spacers\n", ctx->nameOf(cg.name), inserted_spacers);
}
log_info("⌁ inserted a total of %d spacers\n", inserted_spacers);
}
// TODO: dark node insertion when we have obstructions or non-rectangular placement regions