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check_setup input/output delays not required on constant ports 

Signed-off-by: James Cherry <cherry@parallaxsw.com>
This commit is contained in:
James Cherry 2024-03-12 15:25:22 -07:00
parent 2cfbeb4672
commit 5acc5db9e2
1 changed files with 5 additions and 2 deletions
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7
search/CheckTiming.cc
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@ -31,6 +31,7 @@
#include "Search.hh"
#include "Genclks.hh"
#include "PathVertex.hh"
#include "Sim.hh"
namespace sta {
@ -101,7 +102,8 @@ CheckTiming::checkNoInputDelay()
if (!sdc_->isClock(pin)) {
PortDirection *dir = network_->direction(pin);
if (dir->isAnyInput()
&& !sdc_->hasInputDelay(pin))
&& !sdc_->hasInputDelay(pin)
&& !sim_->logicZeroOne(pin))
no_arrival.insert(pin);
}
}
@ -128,7 +130,8 @@ CheckTiming::checkNoOutputDelay(PinSet &no_departure)
const Pin *pin = pin_iter->next();
PortDirection *dir = network_->direction(pin);
if (dir->isAnyOutput()
&& !sdc_->hasOutputDelay(pin))
&& !sdc_->hasOutputDelay(pin)
&& !sim_->logicZeroOne(pin))
no_departure.insert(pin);
}
delete pin_iter;