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Merge pull request #187 from openroadie/master 

Latest OpenSTA
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Harsh Vardhan 2023-07-16 23:12:34 -07:00 committed by GitHub
parent 3c67f34e53 8e84c8fd0f
commit bb09de2e0a
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1 changed files with 12 additions and 13 deletions
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25
search/PathEnum.cc
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@ -497,25 +497,24 @@ PathEnum::makeDiversions(PathEnd *path_end,
Path *before) Path *before)
{ {
PathRef path(before); PathRef path(before);
PathRef prev_path;
TimingArc *prev_arc; TimingArc *prev_arc;
path.prevPath(this, prev_path, prev_arc);
PathEnumFaninVisitor fanin_visitor(path_end, path, unique_pins_, this); PathEnumFaninVisitor fanin_visitor(path_end, path, unique_pins_, this);
do { while (prev_arc
// Do not enumerate beyond latch D to Q edges.
// This breaks latch loop paths.
&& prev_arc->role() != TimingRole::latchDtoQ()
// Do not enumerate paths in the clk network.
&& !path.isClock(this)) {
// Fanin visitor does all the work. // Fanin visitor does all the work.
// While visiting the fanins the fanin_visitor finds the // While visiting the fanins the fanin_visitor finds the
// previous path and arc as well as diversions. // previous path and arc as well as diversions.
PathRef prev_path; fanin_visitor.visitFaninPathsThru(path.vertex(this),
prev_path.vertex(this), prev_arc);
path.init(prev_path);
path.prevPath(this, prev_path, prev_arc); path.prevPath(this, prev_path, prev_arc);
if (prev_arc) { }
fanin_visitor.visitFaninPathsThru(path.vertex(this),
prev_path.vertex(this), prev_arc);
path.init(prev_path);
}
} while (prev_arc
// Do not enumerate beyond latch D to Q edges.
// This breaks latch loop paths.
&& prev_arc->role() != TimingRole::latchDtoQ()
// Do not enumerate paths in the clk network.
&& !path.isClock(this));
} }
void void