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This commit is contained in:
Emil J. Tywoniak 2026-06-10 19:22:53 +02:00
parent 015ab4e45b
commit f592f2f3af
203 changed files with 4575 additions and 4481 deletions
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12
kernel/ffmerge.cc
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@ -298,12 +298,12 @@ void FfMergeHelper::remove_output_ff(const pool<std::pair<Cell *, int>> &bits) {
for (auto &it : bits) {
Cell *cell = it.first;
int idx = it.second;
SigSpec q = cell->getPort(ID::Q);
SigSpec q = cell->getPort(TW::Q);
initvals->remove_init(q[idx]);
dff_driver.erase((*sigmap)(q[idx]));
q[idx] = module->addWire(stringf("$ffmerge_disconnected$%d", autoidx++));
cell->setPort(ID::Q, q);
initvals->set_init(cell->getPort(ID::Q), (*initvals)(q));
cell->setPort(TW::Q, q);
initvals->set_init(cell->getPort(TW::Q), (*initvals)(q));
}
}
@ -312,7 +312,7 @@ void FfMergeHelper::mark_input_ff(const pool<std::pair<Cell *, int>> &bits) {
Cell *cell = it.first;
int idx = it.second;
if (cell->hasPort(ID::D)) {
SigSpec d = cell->getPort(ID::D);
SigSpec d = cell->getPort(TW::D);
// The user count was already at least 1
// (for the D port). Bump it as it is now connected
// to the merged-to cell as well. This suffices for
@ -338,11 +338,11 @@ void FfMergeHelper::set(FfInitVals *initvals_, RTLIL::Module *module_)
for (auto cell : module->cells()) {
if (cell->is_builtin_ff()) {
if (cell->hasPort(ID::D)) {
SigSpec d = (*sigmap)(cell->getPort(ID::D));
SigSpec d = (*sigmap)(cell->getPort(TW::D));
for (int i = 0; i < GetSize(d); i++)
dff_sink[d[i]].insert(std::make_pair(cell, i));
}
SigSpec q = (*sigmap)(cell->getPort(ID::Q));
SigSpec q = (*sigmap)(cell->getPort(TW::Q));
for (int i = 0; i < GetSize(q); i++)
dff_driver[q[i]] = std::make_pair(cell, i);
}