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From: Jeff Garzik <jgarzik@pobox.com>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: Hugh Dickins <hugh@veritas.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] revert to static = {0}
Date: Tue, 05 Aug 2003 17:13:00 -0400	[thread overview]
Message-ID: <3F301DDC.2050502@pobox.com> (raw)
In-Reply-To: <20030805190659.GT32488@holomorphy.com>

William Lee Irwin III wrote:
> On Tue, 5 Aug 2003, Jeff Garzik wrote:
> 
>>>If it's const, it shouldn't be linked into anything at all... right?
> 
> 
> On Tue, Aug 05, 2003 at 07:51:41PM +0100, Hugh Dickins wrote:
> 
>>Sorry, Jeff, I don't get your point.
> 
> 
> I suspect this assumes const values will get constant folded, which I'm
> not sure is the case, though it certainly sounds legal and worthwhile
> for a compiler to do when reasonable (i.e. for small structures and/or
> extractions of small fields of const structures).


Correct.  In fact, some Linux kernel code _assumes_ the compiler will 
fold constants...

	Jeff




      reply	other threads:[~2003-08-05 21:13 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-08-05 15:48 [PATCH] revert to static = {0} Hugh Dickins
2003-08-05 16:07 ` Arjan van de Ven
2003-08-05 18:41   ` [PATCH] revert to static = {0} + comment Hugh Dickins
2003-08-05 16:09 ` [PATCH] revert to static = {0} Randy.Dunlap
2003-08-05 18:49   ` Hugh Dickins
2003-08-05 16:18 ` Lou Langholtz
2003-08-05 17:44 ` Jeff Garzik
2003-08-05 18:51   ` Hugh Dickins
2003-08-05 19:06     ` William Lee Irwin III
2003-08-05 21:13       ` Jeff Garzik [this message]

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