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read_spef block stitching support, round 1 

Signed-off-by: James Cherry <cherry@parallaxsw.com>
This commit is contained in:
James Cherry 2022-10-03 09:06:41 -07:00
parent c40e6effb7
commit 25323c0629
2 changed files with 20 additions and 7 deletions
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26
parasitics/SpefReader.cc
View File

@ -447,14 +447,27 @@ SpefReader::dspfBegin(Net *net,
SpefTriple *total_cap)
{
if (net) {
Net *parasitic_owner = net;
if (!network_->isTopInstance(instance_)) {
NetTermIterator *term_iter = network_->termIterator(net);
if (term_iter->hasNext()) {
Term *term = term_iter->next();
Pin *hpin = network_->pin(term);
parasitic_owner = network_->net(hpin);
}
delete term_iter;
}
// Incremental parasitics do not overwrite existing parasitics.
if (increment_
&& parasitics_->findParasiticNetwork(net, ap_))
parasitic_ = nullptr;
if (increment_) {
parasitic_ = parasitics_->findParasiticNetwork(parasitic_owner, ap_);
if( parasitic_ == nullptr)
parasitic_ = parasitics_->makeParasiticNetwork(parasitic_owner,
pin_cap_included_, ap_);
}
else {
parasitics_->deleteReducedParasitics(net, ap_);
parasitic_ = parasitics_->makeParasiticNetwork(net, pin_cap_included_,
ap_);
parasitics_->deleteReducedParasitics(parasitic_owner, ap_);
parasitic_ = parasitics_->makeParasiticNetwork(parasitic_owner,
pin_cap_included_, ap_);
}
net_ = net;
}
@ -469,7 +482,6 @@ void
SpefReader::dspfFinish()
{
if (parasitic_) {
// Checking "should" be done by report_annotated_parasitics.
if (!quiet_)
parasitics_->check(parasitic_);
if (reduce_to_ != ReducedParasiticType::none) {

1
search/Sta.cc
View File

@ -3872,6 +3872,7 @@ Sta::reportParasiticAnnotation(bool report_unannotated,
const Corner *corner)
{
ensureGraph();
findDelays();
sta::reportParasiticAnnotation(report_unannotated, corner, this);
}