From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37108) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fYZ8s-000225-2A for qemu-devel@nongnu.org; Thu, 28 Jun 2018 11:47:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fYZ8p-0000LC-0C for qemu-devel@nongnu.org; Thu, 28 Jun 2018 11:47:30 -0400 Received: from mail-pf0-x241.google.com ([2607:f8b0:400e:c00::241]:32979) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fYZ8o-0000KY-QX for qemu-devel@nongnu.org; Thu, 28 Jun 2018 11:47:26 -0400 Received: by mail-pf0-x241.google.com with SMTP id b17-v6so2796622pfi.0 for ; Thu, 28 Jun 2018 08:47:26 -0700 (PDT) References: <20180627043328.11531-1-richard.henderson@linaro.org> <20180627043328.11531-34-richard.henderson@linaro.org> <87sh57uhva.fsf@linaro.org> From: Richard Henderson Message-ID: Date: Thu, 28 Jun 2018 08:47:23 -0700 MIME-Version: 1.0 In-Reply-To: <87sh57uhva.fsf@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [Qemu-arm] [PATCH v6 33/35] target/arm: Implement SVE dot product (indexed) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?UTF-8?Q?Alex_Benn=c3=a9e?= Cc: qemu-devel@nongnu.org, peter.maydell@linaro.org, qemu-arm@nongnu.org On 06/28/2018 07:04 AM, Alex Bennée wrote: > Looking at the dissembler output I guess the metrics don't make it worth > the compiler vectorising any of this which is a shame. I think dot product pattern recognition is still being worked on. At least that's what I recall from a conversation from Richard Sandiford a few weeks ago. r~