From: Robert Love <rml@tech9.net>
To: Adrian Bunk <bunk@fs.tum.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC][2.5 patch] K6-II/K6-II: enable X86_USE_3DNOW
Date: 14 Apr 2003 18:36:20 -0400 [thread overview]
Message-ID: <1050359780.3664.114.camel@localhost> (raw)
In-Reply-To: <20030414222110.GK9640@fs.tum.de>
On Mon, 2003-04-14 at 18:21, Adrian Bunk wrote:
> If my patch is wrong and this is a RTFM please give me a hint where to
> find the "M".
Patch looks right...
> Questions:
> Is it really correct to enable CONFIG_X86_USE_3DNOW?
If you are right that the K6-2 and K6-3D support 3DNow!, then yes. At
least its "correct" but it may not be optimal: I seem to recall 3DNow
memory copies were not worthwhile on anything before an Athlon. Double
check that, though.
> Is the -march=k6-2 correct?
Yes. Even if the above is true, splitting the K6 out like this is
useful for the extra -march here. It certainly does not hurt (picking
the original K6 will give proper support for the whole family, in
needed).
Robert Love
next prev parent reply other threads:[~2003-04-14 22:37 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-14 22:21 [RFC][2.5 patch] K6-II/K6-II: enable X86_USE_3DNOW Adrian Bunk
2003-04-14 22:27 ` Dave Jones
2003-04-14 22:06 ` Alan Cox
2003-04-15 19:37 ` Adrian Bunk
2003-04-14 22:36 ` Robert Love [this message]
2003-04-15 8:50 ` Paweł Gołaszewski
2003-04-15 19:39 ` Adrian Bunk
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