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From: Sergei Shtylyov <sshtylyov@mvista.com>
To: Matt Turner <mattst88@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
Subject: Re: [PATCH] mips: set ST0_MX flag for MDMX
Date: Fri, 04 May 2012 15:16:54 +0400	[thread overview]
Message-ID: <4FA3BAA6.5060200@mvista.com> (raw)
In-Reply-To: <1336084845-28995-1-git-send-email-mattst88@gmail.com>

Hello.

On 04-05-2012 2:40, Matt Turner wrote:

> As the comment in commit 3301edcb

    Please also specify that commit's summary in parens.

> says, DSP and MDMX share the same
> config flag bit.

> Without this set, MDMX instructions cause Illegal instruction errors.

> Signed-off-by: Matt Turner<mattst88@gmail.com>
> ---
> Is MDMX implemented by anything other than some Broadcom CPUs? Is it
> totally replaced by DSP?

> I had a terrible time finding any documentation on it (which is annoying
> because Volume IV-b covering MDMX is referenced by all the MIPS64 documents.)
> but finally found a copy here: www.enlight.ru/docs/cpu/risc/mips/MDMXspec.pdf

> If it's dead, it's too bad because it's a pretty cool ISA.

WBR, Sergei

  reply	other threads:[~2012-05-04 11:17 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-03 22:40 [PATCH] mips: set ST0_MX flag for MDMX Matt Turner
2012-05-04 11:16 ` Sergei Shtylyov [this message]
2012-05-05 22:22   ` Matt Turner
2012-05-09 17:20 ` Maciej W. Rozycki
2012-05-09 19:21   ` Matt Turner
2012-05-19 17:59     ` Maciej W. Rozycki

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