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ExpandedExceptionVisitor 

Signed-off-by: James Cherry <cherry@parallaxsw.com>
This commit is contained in:
James Cherry 2025-09-07 15:22:06 -07:00
parent 26be60906c
commit dcbaaf4c05
3 changed files with 37 additions and 37 deletions
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2
include/sta/ExceptionPath.hh
View File

@ -632,7 +632,7 @@ private:
void expandFrom();
void expandThrus(ExceptionFrom *expanded_from);
void expandThru(ExceptionFrom *expanded_from,
ExceptionThruSeq::Iterator &thru_iter,
size_t next_thru_idx,
ExceptionThruSeq *expanded_thrus);
void expandTo(ExceptionFrom *expanded_from,
ExceptionThruSeq *expanded_thrus);

66
sdc/ExceptionPath.cc
View File

@ -2146,9 +2146,8 @@ ExpandedExceptionVisitor::expandThrus(ExceptionFrom *expanded_from)
ExceptionThruSeq *thrus = exception_->thrus();
if (thrus) {
// Use tail recursion to expand the exception points in the thrus.
ExceptionThruSeq::Iterator thru_iter(thrus);
ExceptionThruSeq expanded_thrus;
expandThru(expanded_from, thru_iter, &expanded_thrus);
expandThru(expanded_from, 0, &expanded_thrus);
}
else
expandTo(expanded_from, nullptr);
@ -2156,42 +2155,41 @@ ExpandedExceptionVisitor::expandThrus(ExceptionFrom *expanded_from)
void
ExpandedExceptionVisitor::expandThru(ExceptionFrom *expanded_from,
ExceptionThruSeq::Iterator &thru_iter,
size_t next_thru_idx,
ExceptionThruSeq *expanded_thrus)
{
if (exception_->thrus()) {
if (thru_iter.hasNext()) {
ExceptionThru *thru = thru_iter.next();
const RiseFallBoth *rf = thru->transition();
if (thru->pins()) {
for (const Pin *pin : *thru->pins()) {
PinSet pins(network_);
pins.insert(pin);
ExceptionThru expanded_thru(&pins, nullptr, nullptr, rf, false, network_);
expanded_thrus->push_back(&expanded_thru);
expandThru(expanded_from, thru_iter, expanded_thrus);
expanded_thrus->pop_back();
}
ExceptionThruSeq *thrus = exception_->thrus();
if (next_thru_idx < thrus->size()) {
ExceptionThru *thru = (*thrus)[next_thru_idx];
const RiseFallBoth *rf = thru->transition();
if (thru->pins()) {
for (const Pin *pin : *thru->pins()) {
PinSet pins(network_);
pins.insert(pin);
ExceptionThru expanded_thru(&pins, nullptr, nullptr, rf, false, network_);
expanded_thrus->push_back(&expanded_thru);
expandThru(expanded_from, next_thru_idx + 1, expanded_thrus);
expanded_thrus->pop_back();
}
if (thru->nets()) {
for (const Net *net : *thru->nets()) {
NetSet nets(network_);
nets.insert(net);
ExceptionThru expanded_thru(nullptr, &nets, nullptr, rf, false, network_);
expanded_thrus->push_back(&expanded_thru);
expandThru(expanded_from, thru_iter, expanded_thrus);
expanded_thrus->pop_back();
}
}
if (thru->nets()) {
for (const Net *net : *thru->nets()) {
NetSet nets(network_);
nets.insert(net);
ExceptionThru expanded_thru(nullptr, &nets, nullptr, rf, false, network_);
expanded_thrus->push_back(&expanded_thru);
expandThru(expanded_from, next_thru_idx + 1, expanded_thrus);
expanded_thrus->pop_back();
}
if (thru->instances()) {
for (const Instance *inst : *thru->instances()) {
InstanceSet insts(network_);
insts.insert(inst);
ExceptionThru expanded_thru(nullptr, nullptr, &insts, rf, false, network_);
expanded_thrus->push_back(&expanded_thru);
expandThru(expanded_from, thru_iter, expanded_thrus);
expanded_thrus->pop_back();
}
}
if (thru->instances()) {
for (const Instance *inst : *thru->instances()) {
InstanceSet insts(network_);
insts.insert(inst);
ExceptionThru expanded_thru(nullptr, nullptr, &insts, rf, false, network_);
expanded_thrus->push_back(&expanded_thru);
expandThru(expanded_from, next_thru_idx + 1, expanded_thrus);
expanded_thrus->pop_back();
}
}
}

6
sdc/Sdc.cc
View File

@ -5115,8 +5115,10 @@ ExpandException::visit(ExceptionFrom *from,
ExceptionThruSeq *thrus_clone = nullptr;
if (thrus) {
thrus_clone = new ExceptionThruSeq;
for (ExceptionThru *thru : *thrus)
thrus_clone->push_back(thru->clone(network_));
for (ExceptionThru *thru : *thrus) {
ExceptionThru *thru_clone = thru->clone(network_);
thrus_clone->push_back(thru_clone);
}
}
ExceptionTo *to_clone = nullptr;
if (to)