From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 31B3AC433EF for ; Thu, 3 Feb 2022 10:39:33 +0000 (UTC) Received: from localhost ([::1]:60822 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nFZWU-0000OG-P8 for qemu-devel@archiver.kernel.org; Thu, 03 Feb 2022 05:39:32 -0500 Received: from eggs.gnu.org ([209.51.188.92]:58492) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nFZQX-0005uc-6N for qemu-devel@nongnu.org; Thu, 03 Feb 2022 05:33:21 -0500 Received: from [2a00:1450:4864:20::62f] (port=42992 helo=mail-ej1-x62f.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nFZQV-0007S8-6z for qemu-devel@nongnu.org; Thu, 03 Feb 2022 05:33:20 -0500 Received: by mail-ej1-x62f.google.com with SMTP id m4so7256079ejb.9 for ; Thu, 03 Feb 2022 02:33:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=references:user-agent:from:to:cc:subject:date:in-reply-to :message-id:mime-version:content-transfer-encoding; bh=KgNxCIEDBi9hi+Qq1x1b22NhFb04/1UdByFEOkgC6Ho=; b=Sji8PE9dIVlAhtfGRJ+ZHOOBrkqSqs1P0ndfbjMrZEQu3XL/WiKNBg2VTVX/wrFoyE w+9hleDkDuhRzWeg8jAW3yS45jiAUtjB8sktb6BMxpaodARDrZHUoJDdf2IM+NhCedVn 77r+1M/NaI6QKDa5bRYGwmggNj8UmMrQI0uEsYKrp7u8se+YXNkwzBRzOcw/ODV77JMr H6L8lwiNnfdTZ0E0Vwpl8YzeapDFYmPhlj97KiQhbuAN7DrrDMDLI0oMTaHWKV49t+ba oit2Rd4LLRTLfuY3KDOZQ/fjvhpRSrmRyuU10bbkOUNM13NBmT8e0DQ73BPWAq1AMG7F TsEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:references:user-agent:from:to:cc:subject:date :in-reply-to:message-id:mime-version:content-transfer-encoding; bh=KgNxCIEDBi9hi+Qq1x1b22NhFb04/1UdByFEOkgC6Ho=; b=uKhvME+uRdZ2JQm0IX5ybBA3mMAXtOWmzYaw+hUnAYIsEJuDfmAubLZTAzelR2qRy5 ItLJh80a/eZ2oMG6BmKOunhQvB5EiaQIzSwwP+Lrk4CYnYz/D2gUPJrYIW5PCxdMcpBH 749oZTHO/QpIjPeiUGh+cvG+sIQMyoySF8sCDPk3WRIEwTv0Knqt9sYcmX9X8Pl71Cc/ 8IKes4dr2LuvL7jTpquwDNueA3ltUQTSQof7FXvDPnvGhFHJ+MTQx8fl2luNOrCPq1Tk YNgY92/Md4tv+ksWThGjrn/JnaEaeOZ34sRPH/EHkxqSeJzFyVVu+q2uY49KqfFxr6HJ Ru/A== X-Gm-Message-State: AOAM533XVbqjkp0m9dk+TzfDk25d6JM5ZE++Z5bZT1wpQ+YSMPR7Ak6D ENH0A4KWpfiYTa9K4UUBv1w3PnqVk/R2Bw== X-Google-Smtp-Source: ABdhPJzjQ7e5lfKJOZVXr9Ltliu5f55jyyF2XsNqICNYFP6kdabCb4ydBR8oRA3hJHfSNXLL5X0IXw== X-Received: by 2002:a17:906:7948:: with SMTP id l8mr29463172ejo.752.1643884397090; Thu, 03 Feb 2022 02:33:17 -0800 (PST) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id v10sm21967537edx.36.2022.02.03.02.33.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Feb 2022 02:33:15 -0800 (PST) Received: from zen (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 5D1741FFB7; Thu, 3 Feb 2022 10:33:15 +0000 (GMT) References: <20211218194250.247633-1-richard.henderson@linaro.org> <20211218194250.247633-15-richard.henderson@linaro.org> User-agent: mu4e 1.7.6; emacs 28.0.91 From: Alex =?utf-8?Q?Benn=C3=A9e?= To: Richard Henderson Subject: Re: [PATCH 14/20] tcg/i386: Expand vector word rotate as avx512vbmi2 shift-double Date: Thu, 03 Feb 2022 10:32:30 +0000 In-reply-to: <20211218194250.247633-15-richard.henderson@linaro.org> Message-ID: <877dacutn8.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::62f (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::62f; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x62f.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Richard Henderson writes: > While there are no specific 16-bit rotate instructions, there > are double-word shifts, which can perform the same operation. > > Signed-off-by: Richard Henderson Even hackbox can't utilise these - maybe it's time to request a upgrade for my dev box ;-) Reviewed-by: Alex Benn=C3=A9e --=20 Alex Benn=C3=A9e