Re: PATCH: Profile driven specialization of indirect/virtual calls

["Richard Guenther" <richard dot guenther at gmail dot com>]

On 12/28/06, Tomas Bily <tbily@suse.cz> wrote:
> Hi,
>
>  this patch does not handle inter-module calls. It works with
> -fwhole-program -combine gcc flags but this flags are currently
> supported only for C frontend now.

It should still be able to use a direct call for the most called
function, right?

Richard.

>  Tomas
>
> > Hi Tomas,
> >
> > How does this patch handle indirect calls across files ?
> > e.g. the caller and the callee are in different source files.
> >
> > This particular optimization will be most effective and useful
> > when combined with LTO, and for various reasons,
> > it would be nice if the profile collection (-fprofile-generate)
> > doesn't have to use LTO as well.
> >
> > Seongbae