[PATCH][RFC] Optimize type-punning union accesses to VIEW_CONVERT_EXPRs

Andrew Pinski pinskia@gmail.com
Tue Mar 4 18:53:00 GMT 2008


On Tue, Mar 4, 2008 at 10:44 AM, Eric Botcazou <ebotcazou@adacore.com> wrote:
> > At least at the moment we don't seem to make use of those ranges in
>  > VRP, but you are right;  I'll add such check.
>
>  FWIW the installed change seems fine to me.  Thanks to Andrew for noticing the
>  potential problem for Ada.

Someone (I cannot remember right now) had mentioned this to me earlier
in another thread when I mentioned adding the folding of
VIEW_CONVERT_EXPR of integer types.

Thanks,
Andrew Pinski



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