Re: [avr-gcc-list] Unused registers saves/restores ?

[Neil Johnson]

> >From the GCC 3.3 manual:
>
> ------
> -fssa
>      Perform optimizations in static single assignment
> form. Each function's flow graph is translated into SSA
> form, optimizations are performed, and the flow graph is
> translated back from SSA form. Users should not specify
> this option, since it is not yet ready for production use.
> ------

*sigh* You would have thought that an analytical tool as old as SSA would
have made it into GCC by now?  Oh well, back to research ;-)

Neil
--
Neil Johnson :: Computer Laboratory :: University of Cambridge ::
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