Re: Optimizations done by -fprofile-use

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On Tue, Jul 19, 2011 at 2:41 PM, Asif Musthafa <asifmusthafa@xxxxxxxxx> wrote:
> Hi,
>
> I am using -fprofile-generate -fprofile-use in a sample application. I
> can see that the app is running faster after -fprofile-use. Is there a
> way to see what all optimization are done by this flag in my app.
>
> My intention is to handpick the more generic optimizations from this list.

With -fprofile-use option -fbranch-probabilities, -fvpt,
-funroll-loops, -fpeel-loops, -ftracer options are enabled:

Check the below link for more information
http://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html

-Nagaraju


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