This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: Default Solaris 2/x86 to -xarch/-xtune=pentium4
- From: Rainer Orth <ro at CeBiTec dot Uni-Bielefeld dot DE>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: gcc-patches at gcc dot gnu dot org, Richard Guenther <rguenther at suse dot de>
- Date: Tue, 06 Apr 2010 23:53:44 +0200
- Subject: Re: Default Solaris 2/x86 to -xarch/-xtune=pentium4
- References: <yddmxxoohr6.fsf@manam.CeBiTec.Uni-Bielefeld.DE> <o2x6dc9ffc81004010752xf199bb4do9a4cdcf7d547ca72@mail.gmail.com>
"H.J. Lu" <hjl.tools@gmail.com> writes:
> -march=pentium4 is OK. -mtune=pentium4 is a very bad idea since
> it generates slower codes for almost all processors in use today. You
> want -mtune=generic as the default.
Ok, thanks. Do I need release manager approval for the corresponding
patch? i?86-*-solaris2* not being a primary or seconday platform, I
don't think so.
Rainer
--
-----------------------------------------------------------------------------
Rainer Orth, Center for Biotechnology, Bielefeld University