From: Maciej Hrebien <m_hrebien@wp.pl>
To: linux-assembly@vger.kernel.org
Subject: Re: sparc assembly mnemonic
Date: Mon, 21 Jun 2004 23:16:52 +0200 [thread overview]
Message-ID: <40D75044.99C7F390@wp.pl> (raw)
In-Reply-To: 20040621132143.2420ab01.davem@redhat.com
"David S. Miller" wrote:
>
> On Mon, 21 Jun 2004 12:34:25 -0600 (CST)
> Fabio Miranda Hamburger <fabmirha@ns.isi.ulatina.ac.cr> wrote:
>
> > what are the sparc assembly equivalent of the following instructions:
> >
> > __asm__ __volatile__ ("fsave %0\n" : : "m"(fpubuf));
> > __asm__ __volatile__ ("frstor %0\n" : : "m"(fpubuf));
>
> You have to save each and every register by hand, unlike x86 there
> isn't a specific instruction which saves everything for you.
What about save/restore mechanism (tmp purposes)? Does it work only for
alu registers (not fpu)? I'm just curious - never played with sparc :(
--
Maciej Hrebien
next prev parent reply other threads:[~2004-06-21 21:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-21 18:34 sparc assembly mnemonic Fabio Miranda Hamburger
2004-06-21 20:21 ` David S. Miller
2004-06-21 21:16 ` Maciej Hrebien [this message]
2004-06-21 21:48 ` David S. Miller
2004-06-21 22:00 ` John Rodriguez
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