From: Andi Kleen <ak@muc.de>
To: ultralinux@vger.kernel.org
Subject: Re: VIS
Date: Fri, 17 Jul 1998 13:29:49 +0000 [thread overview]
Message-ID: <marc-linux-ultrasparc-90222358531057@msgid-missing> (raw)
In-Reply-To: <marc-linux-ultrasparc-90222358531047@msgid-missing>
On Fri, Jul 17, 1998 at 02:46:54PM +0200, David S. Miller wrote:
> Date: Fri, 17 Jul 1998 14:44:39 +0200
> From: Andi Kleen <ak@muc.de>
>
> But how does it know what CPU units are used by the inline
> assembly? It does not make much sense to schedule without knowing
> that.
>
> GCC doesn't get perfect scheduling in any event. And it won't for
> some time until real superscalar facilities are added.
This is true for gcc, but Sun's compiler does near perfect scheduling for
the UltraSparc chips afaik, so they have a bit different requirements.
Do you see a better design for 100% schedulable inline assembler?
-Andi
next prev parent reply other threads:[~1998-07-17 13:29 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-07-16 12:23 VIS Sven Grundmann
1998-07-16 12:27 ` VIS David S. Miller
1998-07-16 13:12 ` VIS Sven Grundmann
1998-07-16 13:26 ` VIS David S. Miller
1998-07-16 23:37 ` VIS Andi Kleen
1998-07-17 3:58 ` VIS David S. Miller
1998-07-17 11:22 ` VIS Andi Kleen
1998-07-17 12:34 ` VIS David S. Miller
1998-07-17 12:44 ` VIS Andi Kleen
1998-07-17 12:46 ` VIS David S. Miller
1998-07-17 13:29 ` Andi Kleen [this message]
1998-07-17 13:42 ` VIS David S. Miller
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