luke
/
OpenSTA
mirror of https://github.com/The-OpenROAD-Project/OpenSTA.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

power cell seq has precedence over test_cell resolves #331 

Signed-off-by: James Cherry <cherry@parallaxsw.com>
This commit is contained in:
James Cherry 2025-11-21 07:46:05 -07:00
parent 5bf832c1b6
commit 002c4c41d2
2 changed files with 31 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
power/Power.cc
View File

@ -489,13 +489,16 @@ PropActivityVisitor::visit(Vertex *vertex)
} }
if (network_->isDriver(pin)) { if (network_->isDriver(pin)) {
LibertyPort *port = network_->libertyPort(pin); LibertyPort *port = network_->libertyPort(pin);
if (port) {
LibertyCell *test_cell = port->libertyCell()->testCell();
if (test_cell)
port = test_cell->findLibertyPort(port->name());
}
if (port) { if (port) {
FuncExpr *func = port->function(); FuncExpr *func = port->function();
if (func == nullptr) {
LibertyCell *test_cell = port->libertyCell()->testCell();
if (test_cell) {
port = test_cell->findLibertyPort(port->name());
if (port)
func = port->function();
}
}
if (func) { if (func) {
PwrActivity activity = power_->evalActivity(func, inst); PwrActivity activity = power_->evalActivity(func, inst);
changed = setActivityCheck(pin, activity); changed = setActivityCheck(pin, activity);
@ -777,10 +780,24 @@ Power::seedRegOutputActivities(const Instance *inst,
BfsFwdIterator &bfs) BfsFwdIterator &bfs)
{ {
LibertyCell *cell = network_->libertyCell(inst); LibertyCell *cell = network_->libertyCell(inst);
const SequentialSeq &seqs = cell->sequentials();
if (!seqs.empty())
seedRegOutputActivities(inst, nullptr, seqs, bfs);
else {
LibertyCell *test_cell = cell->testCell(); LibertyCell *test_cell = cell->testCell();
const SequentialSeq &seqs = test_cell if (test_cell) {
? test_cell->sequentials() const SequentialSeq &seqs = test_cell->sequentials();
: cell->sequentials(); seedRegOutputActivities(inst, test_cell, seqs, bfs);
}
}
}
void
Power::seedRegOutputActivities(const Instance *inst,
const LibertyCell *test_cell,
const SequentialSeq &seqs,
BfsFwdIterator &bfs)
{
for (Sequential *seq : seqs) { for (Sequential *seq : seqs) {
seedRegOutputActivities(inst, seq, seq->output(), false); seedRegOutputActivities(inst, seq, seq->output(), false);
seedRegOutputActivities(inst, seq, seq->outputInv(), true); seedRegOutputActivities(inst, seq, seq->outputInv(), true);

4
power/Power.hh
View File

@ -191,6 +191,10 @@ protected:
bool invert); bool invert);
void seedRegOutputActivities(const Instance *inst, void seedRegOutputActivities(const Instance *inst,
BfsFwdIterator &bfs); BfsFwdIterator &bfs);
void seedRegOutputActivities(const Instance *inst,
const LibertyCell *test_cell,
const SequentialSeq &seqs,
BfsFwdIterator &bfs);
PwrActivity evalActivity(FuncExpr *expr, PwrActivity evalActivity(FuncExpr *expr,
const Instance *inst); const Instance *inst);
PwrActivity evalActivity(FuncExpr *expr, PwrActivity evalActivity(FuncExpr *expr,