Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp64286pxk; Thu, 10 Sep 2020 23:56:49 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwzI8gy3n7Mt2QCrTKshyG8txcc4am6EYf2pOA2wISpUOMd0E2sAkrKg74LtcwIIccOJN0K X-Received: by 2002:a17:906:d182:: with SMTP id c2mr665161ejz.378.1599807408962; Thu, 10 Sep 2020 23:56:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1599807408; cv=none; d=google.com; s=arc-20160816; b=vRmrkQrx9HMkjBbUiHHZmd23rMokQnmoeKIf7ez2rDLm75J10nWNtXZbQCr+c6+Ljw v6BJTAvRND5Ibh2j+ym59rJ1/UN8A4mh/4cVfrOzduntH9m7+0iu5YJg5b4xfmx3b7Db xJKS1t14wYluBuUSI9xPAwXPF1a+5VP1BFJLO248pkKbUdHaGSojGkp2LeFMR977Vej+ ugNKz/um0Qaui54pgfoLl0osSqCwtut53OqgVT5GxrUjeivR30tJX9cOmL8yfFzV0oqO Ya7+bMnXmHJql6WqKooCxG//BIqSmKKk2oHsNRKo+svRZgCy8JPdu90kdZH4yaB4zCnS aXyw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=7xgCK01LS3RodJ/vK9soVLg5eD0qOZ3iZl+PbMDV4tE=; b=RHR7qUKDMOllys42Q5jZBoMsHYPMIHNNXo8y0aPyuCeS1BePNkZHPH5Z5ENZ7euOuV H9HWxyKCjYyoh9Y/UPsgFHx90TfKkpFthLeaRu3PGDOL//o3iawJwwcxKTq+5e/qGtQS /R/lmjJZtSMC0It/oFIAo1EBRIih8z5R1n3CwlgJGk7Vbf9siuJGFCgYsDBgWLAH+ViL Wv337hnbd26VAiWmHl5XBJYJuEJ7/r7eyG7K1wD0oDMzCa7HzqN0eO9bEoYEKx8TzoR8 2+/qdsw4q3KICIr7phH7MeWHmkNgKZUuX6VZ/DOVcc4LV31W6Rj2fLwlSiTLgqw5eStz 9Rpw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id m27si751866ejb.476.2020.09.10.23.56.25; Thu, 10 Sep 2020 23:56:48 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725554AbgIKG4V (ORCPT + 99 others); Fri, 11 Sep 2020 02:56:21 -0400 Received: from helcar.hmeau.com ([216.24.177.18]:58916 "EHLO fornost.hmeau.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725497AbgIKG4U (ORCPT ); Fri, 11 Sep 2020 02:56:20 -0400 Received: from gwarestrin.arnor.me.apana.org.au ([192.168.0.7]) by fornost.hmeau.com with smtp (Exim 4.92 #5 (Debian)) id 1kGcyn-0007ri-KY; Fri, 11 Sep 2020 16:56:18 +1000 Received: by gwarestrin.arnor.me.apana.org.au (sSMTP sendmail emulation); Fri, 11 Sep 2020 16:56:17 +1000 Date: Fri, 11 Sep 2020 16:56:17 +1000 From: Herbert Xu To: Uros Bizjak Cc: linux-crypto@vger.kernel.org, x86@kernel.org, "David S. Miller" Subject: Re: [PATCH] crypto/x86: Use XORL r32,32 in poly1305-x86_64-cryptogams.pl Message-ID: <20200911065617.GC32150@gondor.apana.org.au> References: <20200827173831.95039-1-ubizjak@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200827173831.95039-1-ubizjak@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On Thu, Aug 27, 2020 at 07:38:31PM +0200, Uros Bizjak wrote: > x86_64 zero extends 32bit operations, so for 64bit operands, > XORL r32,r32 is functionally equal to XORQ r64,r64, but avoids > a REX prefix byte when legacy registers are used. > > Signed-off-by: Uros Bizjak > Cc: Herbert Xu > Cc: "David S. Miller" > --- > arch/x86/crypto/poly1305-x86_64-cryptogams.pl | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) Patch applied. Thanks. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt