From: Borislav Petkov <bp@alien8.de>
To: Dave Jones <davej@redhat.com>, Kirill Smelkov <kirr@mns.spb.ru>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Tell the world we gave up on pushing CC_OPTIMIZE_FOR_SIZE
Date: Thu, 17 Jan 2013 09:58:51 +0100 [thread overview]
Message-ID: <20130117085851.GC30700@pd.tnic> (raw)
In-Reply-To: <20121124001040.GA29164@redhat.com>
On Fri, Nov 23, 2012 at 07:10:40PM -0500, Dave Jones wrote:
> FWIW, we gave up using this in Fedora quite a few releases back
> because we kept finding workloads that it truly sucked on. For code
> that is quite bloaty and not particularly performance critical, maybe
> we could move -Os to individual directories.
FWIW, one more minor thing speaking against -Os: it warns worngly about
an unitialized variable while -O2 doesn't:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55759
Maybe there's more stuff wrong with it...
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
prev parent reply other threads:[~2013-01-17 8:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-02 11:41 [PATCH] Tell the world we gave up on pushing CC_OPTIMIZE_FOR_SIZE Kirill Smelkov
2012-11-22 8:10 ` Kirill Smelkov
2012-11-24 0:10 ` Dave Jones
2013-01-17 8:58 ` Borislav Petkov [this message]
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