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OpenSTA
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write_sdc skip -waveform when 1/2 of period

This commit is contained in:
James Cherry 2021-05-05 23:12:53 -07:00
parent b5fe4ff63f
commit a5703903e0
1 changed files with 10 additions and 3 deletions
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13
sdc/WriteSdc.cc
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@ -44,6 +44,7 @@
#include "DataCheck.hh"
#include "DeratingFactors.hh"
#include "Sdc.hh"
#include "Fuzzy.hh"
#include "WriteSdcPvt.hh"
#include "StaState.hh"
@ -425,9 +426,15 @@ WriteSdc::writeClock(Clock *clk) const
if (clk->addToPins())
fprintf(stream_, " -add");
fprintf(stream_, " -period ");
writeTime(clk->period());
fprintf(stream_, " -waveform ");
writeFloatSeq(clk->waveform(), scaleTime(1.0));
float period = clk->period();
writeTime(period);
FloatSeq *waveform = clk->waveform();
if (!(waveform->size() == 2
&& (*waveform)[0] == 0.0
&& fuzzyEqual((*waveform)[1], period / 2.0))) {
fprintf(stream_, " -waveform ");
writeFloatSeq(waveform, scaleTime(1.0));
}
writeCmdComment(clk);
fprintf(stream_, " ");
writeClockPins(clk);