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Fix placement bug with VexRiscV reported by John McMaster

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Signed-off-by: David Shah <davey1576@gmail.com>
This commit is contained in:
David Shah 2018-07-21 16:45:46 +02:00
parent 13339c0355
commit 80097526ee
1 changed files with 3 additions and 2 deletions
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5
common/place_common.cc
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@ -130,10 +130,11 @@ bool place_single_cell(Context *ctx, CellInfo *cell, bool require_legality)
if (iters >= 4)
wirelen += ctx->rng(25);
if (wirelen <= best_ripup_wirelen) {
ripup_target = ctx->cells.at(ctx->getBoundBelCell(bel)).get();
if (ripup_target->belStrength < STRENGTH_STRONG) {
CellInfo *curr_cell = ctx->cells.at(ctx->getBoundBelCell(bel)).get();
if (curr_cell->belStrength < STRENGTH_STRONG) {
best_ripup_wirelen = wirelen;
ripup_bel = bel;
ripup_target = curr_cell;
}
}
}