From: Daniel Jacobowitz <dan@debian.org>
To: Indigodfw <indigodfw@yahoo.com>
Cc: Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
Subject: Re: question about memory constraint in atomic_add
Date: Thu, 19 Feb 2004 13:18:16 -0500 [thread overview]
Message-ID: <20040219181816.GA24189@nevyn.them.org> (raw)
In-Reply-To: <20040219001132.30180.qmail@web9503.mail.yahoo.com>
On Wed, Feb 18, 2004 at 04:11:32PM -0800, Indigodfw wrote:
> Well, is not that what we want?
> That is, we want to load (using ll) from &v->counter.
>
> Should not the code have been
> ll %0, 0(%1)
> where %1 is "=m" (&v->counter)
No, it would be ll %0, %1. The result of an m constraint will be a
register-and-offset term like 0($13) or 256($13).
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
prev parent reply other threads:[~2004-02-19 18:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-14 15:11 question about memory constraint in atomic_add Indigodfw
2004-02-18 13:45 ` Ralf Baechle
2004-02-19 0:11 ` Indigodfw
2004-02-19 18:18 ` Daniel Jacobowitz [this message]
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