This is the mail archive of the
mailing list for the GCC project.
Re: correct -fno-guess-branch-probabillity docs
- From: "Mark D. Baushke" <mdb at juniper dot net>
- To: James E Wilson <wilson at specifixinc dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 02 Nov 2004 16:47:56 -0800
- Subject: Re: correct -fno-guess-branch-probabillity docs
- References: <email@example.com>
-----BEGIN PGP SIGNED MESSAGE-----
James E Wilson <firstname.lastname@example.org> writes:
> A customer was confused by the wording of the
> -fno-guess-branch-probability documentation. The docs say gcc by
> default uses a randomized model, and has non-deterministic behaviour.
> This is not true. If it was, then the object file comparisons which are
> part of the bootstrap process would not work.
> Here is an attempt to rewrite the doc entry to be more accurate.
> The option and the docs were added here:
> And my original explanation of what was going on is here:
> Comments anyone? If I don't get any comments, I will go ahead and add
> this in a few days.
I like the rewritten text. It is much more understandable and stops
giving bad advise to real-time system people.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.3 (FreeBSD)
-----END PGP SIGNATURE-----