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Fix bug

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This commit is contained in:
Akash Levy 2024-08-27 23:23:49 -07:00
parent 401ffbd47e
commit ab20bbbe8e
1 changed files with 4 additions and 10 deletions
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14
passes/opt/opt_balance_tree.cc
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@ -218,17 +218,11 @@ struct OptBalanceTreeWorker {
// Get midnext signals // Get midnext signals
SigSpec midnext_a_sig = sigmap(midnext_cell->getPort(ID::A)); SigSpec midnext_a_sig = sigmap(midnext_cell->getPort(ID::A));
SigSpec midnext_b_sig = sigmap(midnext_cell->getPort(ID::B)); SigSpec midnext_b_sig = sigmap(midnext_cell->getPort(ID::B));
IdString midnext_chain_port = sig_chain_next.count(midnext_a_sig) ? ID::A : ID::B; IdString midnext_chain_port = sig_chain_prev.count(midnext_a_sig) ? ID::A : ID::B;
// Get output signal // Get output signal
SigSpec end_y_sig = sigmap(end_cell->getPort(ID::Y)); SigSpec end_y_sig = sigmap(end_cell->getPort(ID::Y));
// Unset ports involved in rotation
mid_cell->unsetPort(mid_non_chain_port);
mid_cell->unsetPort(ID::Y);
midnext_cell->unsetPort(midnext_chain_port);
end_cell->unsetPort(ID::Y);
// Create new mid wire // Create new mid wire
Wire *mid_wire = module->addWire(NEW_ID, GetSize(end_y_sig)); Wire *mid_wire = module->addWire(NEW_ID, GetSize(end_y_sig));
@ -238,6 +232,9 @@ struct OptBalanceTreeWorker {
midnext_cell->setPort(midnext_chain_port, mid_non_chain_sig); midnext_cell->setPort(midnext_chain_port, mid_non_chain_sig);
end_cell->setPort(ID::Y, mid_wire); end_cell->setPort(ID::Y, mid_wire);
// Recreate sigmap
sigmap.set(module);
// Get subtrees // Get subtrees
vector<Cell*> left_chain(chain.begin(), chain.begin() + GetSize(chain) / 2); vector<Cell*> left_chain(chain.begin(), chain.begin() + GetSize(chain) / 2);
vector<Cell*> right_chain(chain.begin() + GetSize(chain) / 2 + 1, chain.end()); vector<Cell*> right_chain(chain.begin() + GetSize(chain) / 2 + 1, chain.end());
@ -246,9 +243,6 @@ struct OptBalanceTreeWorker {
process_chain(left_chain); process_chain(left_chain);
process_chain(right_chain); process_chain(right_chain);
// Recreate sigmap
sigmap.set(module);
// Width reduce left subtree // Width reduce left subtree
for (auto c : left_chain) for (auto c : left_chain)
wreduce(c); wreduce(c);