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Re: -O3 and new optimizations in 4.4.0
- From: Andrew Pinski <pinskia at gmail dot com>
- To: Kate Minola <kate01123 at gmail dot com>
- Cc: gcc at gcc dot gnu dot org, joseph at codesourcery dot com
- Date: Thu, 23 Apr 2009 12:20:34 -0700
- Subject: Re: -O3 and new optimizations in 4.4.0
- References: <9c27041b0904231211h36bd9d5ej14c3155fffe6d0c2@mail.gmail.com>
On Thu, Apr 23, 2009 at 12:11 PM, Kate Minola <kate01123@gmail.com> wrote:
> Ok, I am confused. ÂYou imply that PPL and CLooG are NOT required to
> build GCC, yet
>
> Â Â http://gcc.gnu.org/install/prerequisites.html
>
> lists them as prerequisites to a build.
>
> Who is correct?
Both, the website says:
Necessary to build GCC with the Graphite loop optimizations.
Witness the "with the Graphite loop optimizations" part of that
sentence. So if you want the graphite loop optimizers you need PPL
and CLooG, otherwise you don't need them to compile GCC.
-- Pinski