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Date:   Fri, 4 Dec 2020 18:15:50 +1100
From:   Herbert Xu <herbert@gondor.apana.org.au>
To:     Uros Bizjak <ubizjak@gmail.com>
Cc:     linux-crypto@vger.kernel.org, x86@kernel.org,
        Borislav Petkov <bp@alien8.de>,
        "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH] crypto: x86/poly1305-intel: Use TEST %reg,%reg instead
 of CMP $0,%reg
Message-ID: <20201204071550.GE31775@gondor.apana.org.au>
References: <20201127101812.72787-1-ubizjak@gmail.com>
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On Fri, Nov 27, 2020 at 11:18:12AM +0100, Uros Bizjak wrote:
> CMP $0,%reg can't set overflow flag, so we can use shorter TEST %reg,%reg
> instruction when only zero and sign flags are checked (E,L,LE,G,GE conditions).
> 
> Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
> Cc: Herbert Xu <herbert@gondor.apana.org.au>
> Cc: Borislav Petkov <bp@alien8.de>
> Cc: "H. Peter Anvin" <hpa@zytor.com>
> ---
>  arch/x86/crypto/poly1305-x86_64-cryptogams.pl | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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