From: Mike Frysinger <vapier@gentoo.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] gcc-4.6 warnings
Date: Thu, 25 Aug 2011 16:27:24 -0400 [thread overview]
Message-ID: <201108251627.26232.vapier@gentoo.org> (raw)
In-Reply-To: <CAOZdJXWf9icui8i9GwcqAx5Y8wd2RhwLp5rwF=pNaqYL7A0sbg@mail.gmail.com>
On Thursday, August 25, 2011 15:50:57 Tabi Timur-B04825 wrote:
> On Thu, Aug 25, 2011 at 9:51 AM, Mike Frysinger <vapier@gentoo.org> wrote:
> > i feel like some (many?) #ifdef's in the tree could be done without
> > ifdefs (by relying on gcc's DCE) thus improving overall code quality
>
> What's DCE?
dead code elimination
http://en.wikipedia.org/wiki/Dead_code_elimination
if we let the optimizer do it instead of the preprocessor, we get better code
coverage in the face of different config settings.
-mike
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next prev parent reply other threads:[~2011-08-25 20:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-24 18:29 [U-Boot] gcc-4.6 warnings Kumar Gala
2011-08-24 18:47 ` Mike Frysinger
2011-08-24 19:05 ` Wolfgang Denk
2011-08-25 4:39 ` Kumar Gala
2011-08-25 5:52 ` Wolfgang Denk
2011-08-25 14:27 ` Kumar Gala
2011-08-25 14:51 ` Mike Frysinger
2011-08-25 19:50 ` Tabi Timur-B04825
2011-08-25 20:27 ` Mike Frysinger [this message]
2011-08-25 21:44 ` Timur Tabi
2011-08-25 21:45 ` Timur Tabi
2011-08-25 21:58 ` Mike Frysinger
2011-08-25 20:39 ` Wolfgang Denk
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