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liberty ccs bullet proofing 

Signed-off-by: James Cherry <cherry@parallaxsw.com>
This commit is contained in:
James Cherry 2024-07-29 13:04:56 -07:00
parent defed7daeb
commit 0ed7383da8
1 changed files with 48 additions and 45 deletions
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93
liberty/LibertyReader.cc
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@ -2351,7 +2351,8 @@ TimingGroup::makeTableModels(LibertyCell *cell,
if (delay == nullptr)
reader->libWarn(1211, line_, "missing cell_%s.", rf->name());
}
} else if (constraint)
}
else if (constraint)
attrs_->setModel(rf, new CheckTableModel(cell, constraint,
constraint_sigma_[rf_index]));
}
@ -2530,11 +2531,11 @@ LibertyReader::beginReceiverCapacitance(LibertyGroup *group,
void
LibertyReader::endReceiverCapacitanceRiseFall(LibertyGroup *group)
{
if (table_) {
if (timing_ && table_) {
if (ReceiverModel::checkAxes(table_)) {
TableModel *table_model = new TableModel(table_, tbl_template_,
scale_factor_type_, rf_);
if (timing_ && receiver_model_ == nullptr) {
if (receiver_model_ == nullptr) {
receiver_model_ = make_shared<ReceiverModel>();
timing_->setReceiverModel(receiver_model_);
}
@ -2542,8 +2543,8 @@ LibertyReader::endReceiverCapacitanceRiseFall(LibertyGroup *group)
}
else
libWarn(1219, group, "unsupported model axis.");
endTableModel();
}
endTableModel();
}
////////////////////////////////////////////////////////////////
@ -2576,50 +2577,52 @@ LibertyReader::beginOutputCurrent(RiseFall *rf,
void
LibertyReader::endOutputCurrentRiseFall(LibertyGroup *group)
{
Set<float> slew_set, cap_set;
FloatSeq *slew_values = new FloatSeq;
FloatSeq *cap_values = new FloatSeq;
for (OutputWaveform *waveform : output_currents_) {
float slew = waveform->slew();
if (!slew_set.hasKey(slew)) {
slew_set.insert(slew);
slew_values->push_back(slew);
if (timing_) {
Set<float> slew_set, cap_set;
FloatSeq *slew_values = new FloatSeq;
FloatSeq *cap_values = new FloatSeq;
for (OutputWaveform *waveform : output_currents_) {
float slew = waveform->slew();
if (!slew_set.hasKey(slew)) {
slew_set.insert(slew);
slew_values->push_back(slew);
}
float cap = waveform->cap();
if (!cap_set.hasKey(cap)) {
cap_set.insert(cap);
cap_values->push_back(cap);
}
}
float cap = waveform->cap();
if (!cap_set.hasKey(cap)) {
cap_set.insert(cap);
cap_values->push_back(cap);
sort(slew_values, std::less<float>());
sort(cap_values, std::less<float>());
TableAxisPtr slew_axis = make_shared<TableAxis>(TableAxisVariable::input_net_transition,
slew_values);
TableAxisPtr cap_axis = make_shared<TableAxis>(TableAxisVariable::total_output_net_capacitance,
cap_values);
FloatSeq *ref_times = new FloatSeq(slew_values->size());
Table1Seq current_waveforms(slew_axis->size() * cap_axis->size());
for (OutputWaveform *waveform : output_currents_) {
size_t slew_index, cap_index;
bool slew_exists, cap_exists;
slew_axis->findAxisIndex(waveform->slew(), slew_index, slew_exists);
cap_axis->findAxisIndex(waveform->cap(), cap_index, cap_exists);
if (slew_exists && cap_exists) {
size_t index = slew_index * cap_axis->size() + cap_index;
current_waveforms[index] = waveform->stealCurrents();
(*ref_times)[slew_index] = waveform->referenceTime();
}
else
libWarn(1221, group, "output current waveform %.2e %.2e not found.",
waveform->slew(),
waveform->cap());
}
Table1 *ref_time_tbl = new Table1(ref_times, slew_axis);
OutputWaveforms *output_current = new OutputWaveforms(slew_axis, cap_axis, rf_,
current_waveforms,
ref_time_tbl);
timing_->setOutputWaveforms(rf_, output_current);
output_currents_.deleteContentsClear();
}
sort(slew_values, std::less<float>());
sort(cap_values, std::less<float>());
TableAxisPtr slew_axis = make_shared<TableAxis>(TableAxisVariable::input_net_transition,
slew_values);
TableAxisPtr cap_axis = make_shared<TableAxis>(TableAxisVariable::total_output_net_capacitance,
cap_values);
FloatSeq *ref_times = new FloatSeq(slew_values->size());
Table1Seq current_waveforms(slew_axis->size() * cap_axis->size());
for (OutputWaveform *waveform : output_currents_) {
size_t slew_index, cap_index;
bool slew_exists, cap_exists;
slew_axis->findAxisIndex(waveform->slew(), slew_index, slew_exists);
cap_axis->findAxisIndex(waveform->cap(), cap_index, cap_exists);
if (slew_exists && cap_exists) {
size_t index = slew_index * cap_axis->size() + cap_index;
current_waveforms[index] = waveform->stealCurrents();
(*ref_times)[slew_index] = waveform->referenceTime();
}
else
libWarn(1221, group, "output current waveform %.2e %.2e not found.",
waveform->slew(),
waveform->cap());
}
Table1 *ref_time_tbl = new Table1(ref_times, slew_axis);
OutputWaveforms *output_current = new OutputWaveforms(slew_axis, cap_axis, rf_,
current_waveforms,
ref_time_tbl);
timing_->setOutputWaveforms(rf_, output_current);
output_currents_.deleteContentsClear();
}
void