From: Herbert Xu <herbert@gondor.apana.org.au>
To: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Cc: linux-crypto@vger.kernel.org, "David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH] crypto - serpent-sse2: change transpose_4x4 to only use integer instructions
Date: Fri, 13 Jan 2012 16:36:20 +1100 [thread overview]
Message-ID: <20120113053620.GC13918@gondor.apana.org.au> (raw)
In-Reply-To: <20111220105806.21682.30810.stgit@localhost6.localdomain6>
On Tue, Dec 20, 2011 at 12:58:06PM +0200, Jussi Kivilinna wrote:
> Matrix transpose macro in serpent-sse2 uses mix of SSE2 integer and SSE floating
> point instructions, which might cause performance penality on some CPUs.
>
> This patch replaces transpose_4x4 macro with version that uses only SSE2
> integer instructions.
>
> Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Patch applied.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
prev parent reply other threads:[~2012-01-13 5:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-20 10:58 [PATCH] crypto - serpent-sse2: change transpose_4x4 to only use integer instructions Jussi Kivilinna
2012-01-13 5:36 ` Herbert Xu [this message]
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