From: Arjan van de Ven <arjan@infradead.org>
To: Roland Dreier <roland@topspin.com>
Cc: Mikael Pettersson <mikpe@csd.uu.se>,
linux-kernel@vger.kernel.org, pluto@pld-linux.org
Subject: Re: unit-at-a-time...
Date: Sun, 31 Oct 2004 22:33:41 +0100 [thread overview]
Message-ID: <1099258421.14342.16.camel@laptop.fenrus.org> (raw)
In-Reply-To: <52wtx6vhbk.fsf@topspin.com>
On Sun, 2004-10-31 at 11:05 -0800, Roland Dreier wrote:
> By the way, does anyone know if Richard Henderson's work in gcc 4.0
> (http://gcc.gnu.org/ml/gcc-patches/2004-09/msg00333.html) on laying
> out stack variables means that -funit-at-a-time will be safe to use
> again for the kernel?
unfortunately that's only half the task. It takes care of explicit
variables in inlines, but not about spilled variables, which is the
problem on x86 due to the lack of general purpose registers..
(and which is why x86-64 can use unit-at-a-time just fine)
next prev parent reply other threads:[~2004-10-31 21:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-31 15:41 unit-at-a-time Mikael Pettersson
2004-10-31 16:18 ` unit-at-a-time Jan Engelhardt
2004-10-31 19:05 ` unit-at-a-time Roland Dreier
2004-10-31 21:33 ` Arjan van de Ven [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-11-01 11:02 unit-at-a-time Mikael Pettersson
2004-11-01 11:10 ` unit-at-a-time Andi Kleen
[not found] <200410311541.i9VFf0ah023857@harpo.it.uu.se.suse.lists.linux.kernel>
2004-11-01 1:39 ` unit-at-a-time Andi Kleen
2004-10-31 14:57 unit-at-a-time Paweł Sikora
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