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Re: GCC loop iterations and wrapping

Zdenek Dvorak wrote:

> here is the updated version.  In addition to the requested changes,
> it also avoids using flag_unsafe_loop_optimizations in
> can_convert_iv_narrowing_p, since I do not think it is very important
> there, and we probably should not make unsafe assumptions without a good
> reason.

I would like to see this patch in 4.1, assuming everyone is happy with
it.  It's a local change, with substantial demonstrable benefit.

-- 
Mark Mitchell
CodeSourcery, LLC
mark@codesourcery.com
(916) 791-8304
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