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Re: [PATCH, DOC] -O3 enables -ftree-loop-distribute-patterns
- From: Richard Biener <richard dot guenther at gmail dot com>
- To: Horst Schirmeier <horst at schirmeier dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 23 Jul 2014 11:42:45 +0200
- Subject: Re: [PATCH, DOC] -O3 enables -ftree-loop-distribute-patterns
- Authentication-results: sourceware.org; auth=none
- References: <20140718153902 dot GH10719 at quickstop dot soohrt dot org>
On Fri, Jul 18, 2014 at 5:39 PM, Horst Schirmeier <horst@schirmeier.com> wrote:
> Hi,
>
> when reading the gcc/opts.c sources, I noticed that the docs don't
> mention -ftree-loop-distribute-patterns along the other switches enabled
> with -O3.
>
> This documentation was missing since this option's introduction in SVN
> r162822 and should be backported to the 4.6, 4.7, 4.8 and 4.9 branches
> (if still alive).
Installed on trunk.
Thanks,
Richard.
> 2014-07-18 Horst Schirmeier <horst@schirmeier.com>
>
> * doc/invoke.texi: -O3 enables -ftree-loop-distribute-patterns.
>
> diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
> index b5e8d98..b0a8eb8 100644
> --- a/gcc/doc/invoke.texi
> +++ b/gcc/doc/invoke.texi
> @@ -7030,6 +7030,7 @@ Optimize yet more. @option{-O3} turns on all optimizations specified
> by @option{-O2} and also turns on the @option{-finline-functions},
> @option{-funswitch-loops}, @option{-fpredictive-commoning},
> @option{-fgcse-after-reload}, @option{-ftree-loop-vectorize},
> +@option{-ftree-loop-distribute-patterns},
> @option{-ftree-slp-vectorize}, @option{-fvect-cost-model},
> @option{-ftree-partial-pre} and @option{-fipa-cp-clone} options.
>
> --
> PGP-Key 0xD40E0E7A