is LTO aimed for large programs?

[Basile STARYNKEVITCH]

Robert Dewar wrote:
> 
> Compared to some of the application systems we deal with gcc is large, 
> but not very large. We have several Ada users with millions of lines of
> code in a single program.

Do you "sell" the -flto option to your customers?

Do you suggest your big customers to recompile their 10MLOC Ada code with -flto?

Did they (or you) already try doing that?

Or should they use -fwhopr?

Or perhaps they prefer a bit faster compilation time, only using -O1?

Regards.

-- 
Basile STARYNKEVITCH         http://starynkevitch.net/Basile/
email: basile<at>starynkevitch<dot>net mobile: +33 6 8501 2359
8, rue de la Faiencerie, 92340 Bourg La Reine, France
*** opinions {are only mines, sont seulement les miennes} ***