[Bug middle-end/26900] Number of iterations not know for simple loop

rakdver at atrey dot karlin dot mff dot cuni dot cz gcc-bugzilla@gcc.gnu.org
Wed Mar 29 09:11:00 GMT 2006



------- Comment #7 from rakdver at atrey dot karlin dot mff dot cuni dot cz  2006-03-29 09:11 -------
Subject: Re:  Number of iterations not know for simple loop

> > I thought if we know that we are looking at the loop header copy condition that
> > we _know_ that the loop runs at least once, so we can avoid trying to prove
> > that again using fold.
> 
> How?

Sorry for the dumb question, I now understand what you mean.  Let me
think about this for a moment, please.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26900



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