From: "H. Peter Anvin" <hpa@zytor.com>
To: Kyle Moffett <mrmacman_g4@mac.com>
Cc: Adrian Bunk <bunk@stusta.de>,
LKML Kernel <linux-kernel@vger.kernel.org>,
David Woodhouse <dwmw2@infradead.org>,
david@lang.hm, linux-arch@vger.kernel.org
Subject: Re: Userspace compiler support of "long long"
Date: Thu, 28 Jun 2007 00:03:29 -0400 [thread overview]
Message-ID: <46833311.4000209@zytor.com> (raw)
In-Reply-To: <B3C8EEBF-71FB-4169-8ED7-7C4A410BBEE1@mac.com>
Kyle Moffett wrote:
>>
> The only trick is if you care about building 32-bit compat code using
> 64-bit linux kernel headers. In that case we should probably just make
> all archs use "long long" for their 64-bit integers, unless there's some
> platform I'm not remembering where "long long" is 128-bits or bigger.
> The other benefit is that people could then just use the printf format
> "%llu" for 64-bit integers instead of having to conditionalize it all
> over the place.
>
No, you really don't want to do that, because then u64 != uint64_t on
those platforms.
-hpa
prev parent reply other threads:[~2007-06-28 4:19 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <467afc63.OnsqEXOk5zqMYzym%Joerg.Schilling@fokus.fraunhofer.de>
[not found] ` <Pine.LNX.4.64.0706211620080.31603@asgard.lang.hm>
[not found] ` <467b0bf2.Xfs7T8Ys4nY9ZNLW%Joerg.Schilling@fokus.fraunhofer.de>
[not found] ` <1182483527.10524.31.camel@shinybook.infradead.org>
[not found] ` <20070622150038.GN23017@stusta.de>
[not found] ` <E27BAC4D-2F1E-4191-A75D-4DD18231C320@mac.com>
[not found] ` <20070627154046.GN1094@stusta.de>
[not found] ` <468287a8.spBb6PdAZ4QV0j2Y%Joerg.Schilling@fokus.fraunhofer.de>
[not found] ` <20070627173240.GR1094@stusta.de>
2007-06-27 22:30 ` Userspace compiler support of "long long" Kyle Moffett
2007-06-27 22:57 ` Randy Dunlap
2007-06-27 23:16 ` Randy Dunlap
2007-06-28 2:12 ` Geert Uytterhoeven
2007-06-28 6:50 ` Jan Engelhardt
2007-06-28 11:34 ` Geert Uytterhoeven
2007-06-28 11:36 ` David Woodhouse
2007-06-28 12:20 ` Kyle Moffett
2007-06-28 3:06 ` Kyle McMartin
2007-06-28 0:30 ` Andi Kleen
2007-06-28 11:42 ` Kyle Moffett
2007-06-28 3:57 ` Matthew Wilcox
2007-06-28 11:53 ` Kyle Moffett
2007-06-28 12:08 ` Jakub Jelinek
2007-06-28 12:18 ` Kyle Moffett
2007-06-28 4:03 ` H. Peter Anvin [this message]
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