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 X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B7B7BC11D05 for ; Thu, 20 Feb 2020 14:57:09 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8164F206F4 for ; Thu, 20 Feb 2020 14:57:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="GbLpLed/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8164F206F4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:43770 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j4nGG-0002Ei-Kr for qemu-devel@archiver.kernel.org; Thu, 20 Feb 2020 09:57:08 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:44683) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j4nFC-0001Lt-Vu for qemu-devel@nongnu.org; Thu, 20 Feb 2020 09:56:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j4nFB-0005NV-L7 for qemu-devel@nongnu.org; Thu, 20 Feb 2020 09:56:02 -0500 Received: from mail-ot1-x343.google.com ([2607:f8b0:4864:20::343]:38313) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1j4nFB-0005Mr-Ej for qemu-devel@nongnu.org; Thu, 20 Feb 2020 09:56:01 -0500 Received: by mail-ot1-x343.google.com with SMTP id z9so3899280oth.5 for ; Thu, 20 Feb 2020 06:56:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=6/qaW5FhSSy22a1eq657fqQZKhtniwywOQUUl7vYYwg=; b=GbLpLed/sYr6s6grwE43khGlNq7oTqxVMP9PE9Y5vuNLvM4u2zBXZhUJApw3gk2kQC 1BGjcrSYH6N6bazg5SWMGYeZxxCOzYl2g4wZr8x2Rp/TQvdsfBcGJyfpFl8A1DeQcRRq ZWt27R9Ffxg5tH4vrJ9yCRGeDCMo9D3aBKaq3Z2GAaZBmEpXPvPvm5G++HZdi/xnuM5s gNOTzCkjkiPfVGNrHJ5SP1pkCU91J1aD9zgze7Ptsm4dmBU7tliMk1cLM0Qfaa4CJZuL oi1IvTK3pdLZ81imyFVhK+4SkxjS+v3zsv1bAX0z8CiKAT+o8IDB4TMWhByPkQCLAAkD 1VBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=6/qaW5FhSSy22a1eq657fqQZKhtniwywOQUUl7vYYwg=; b=CHAJfr9xl8Ao+xLqrQUE+loc3N1AQfyYzNqO6zWjVTVZ4QSVmGH+tFLfqeBT+67H98 ev/A0RW3yLwS59/q/VpqeJZTBgZsV4oW8o6PTAJBrrrC2Zvqf6lLI8FMdP2UmnVtPeNQ l8uZT9tlJ3MiOcBN90L0rKwJy1kyP0Yi/uuUbYEeR82A1ODJ0kVPrSbavf1fIsWEQJ+5 xFfXc6JesXXpo4D/X+gXqqXxQrfQheF3MBvsi58Ff1fckdY6aTdnBmRCGDAxpBj5+B2n sEvZiYAhil3otstgziYbLaQUPelALSrP5+0QCFmuwJMXO1M95FJjQBTTXgZzAkRL2OFc TPAQ== X-Gm-Message-State: APjAAAWNokG2fO7JR9wltiWNFcNjN936sGcvgMeaF+1xRgzHgpvjJfhv D4L3ACWQVXiSeV430IAoLAlBCXL2rDIwyNKYRL8fuUIZ X-Google-Smtp-Source: APXvYqybnEmdFf7yroCXFeAsFScLANFmfz3zoeODV5liVx7hJ/djco4Ujk9ffetnwRtipfKw+lN4m/OHmq845o7XC0I= X-Received: by 2002:a05:6830:4a4:: with SMTP id l4mr24119120otd.91.1582210560070; Thu, 20 Feb 2020 06:56:00 -0800 (PST) MIME-Version: 1.0 References: <20200216214232.4230-1-richard.henderson@linaro.org> In-Reply-To: <20200216214232.4230-1-richard.henderson@linaro.org> From: Peter Maydell Date: Thu, 20 Feb 2020 14:55:49 +0000 Message-ID: Subject: Re: [PATCH v2 0/4] target/arm vector improvements To: Richard Henderson Content-Type: text/plain; charset="UTF-8" X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::343 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Sun, 16 Feb 2020 at 21:42, Richard Henderson wrote: > > Changes for v2: > > * Rename function arguments as requested by ajb. > * Minor optimization in helper_gvec_pmul_b. > > Original blurb: > > The first patch has been seen before. > > https://patchwork.ozlabs.org/patch/1115039/ > > It had a bug and I didn't fix it right away and then forgot. > Fixed now; I had mixed up the operand ordering for aarch32. > > The next 3 are something that I noticed while doing other stuff. > > In particular, pmull is used heavily during https transfers. > While cloning a repository, the old code peaks at 27% of the > total runtime, as measured by perf top. The new code does > not quite reach 3% repeating the same clone. > > In addition, the new helper functions are in the form that > will be required for the implementation of SVE2. Applied to target-arm.next, thanks. -- PMM