From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38556) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSmjH-0001Z1-Oo for qemu-devel@nongnu.org; Fri, 30 Nov 2018 12:37:28 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gSmjD-0008GG-Np for qemu-devel@nongnu.org; Fri, 30 Nov 2018 12:37:27 -0500 Received: from mail-pg1-x544.google.com ([2607:f8b0:4864:20::544]:37392) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gSmjD-0008Ft-FM for qemu-devel@nongnu.org; Fri, 30 Nov 2018 12:37:23 -0500 Received: by mail-pg1-x544.google.com with SMTP id 80so2795971pge.4 for ; Fri, 30 Nov 2018 09:37:23 -0800 (PST) References: <20181123144558.5048-1-richard.henderson@linaro.org> <20181123144558.5048-10-richard.henderson@linaro.org> <87sgzi32fk.fsf@linaro.org> From: Richard Henderson Message-ID: <49a0e9a4-9266-aad5-4059-b4197a3d64ba@linaro.org> Date: Fri, 30 Nov 2018 09:37:19 -0800 MIME-Version: 1.0 In-Reply-To: <87sgzi32fk.fsf@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [PATCH for-4.0 v2 09/37] tcg/i386: Use TCG_TARGET_NEED_LDST_OOL_LABELS List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?UTF-8?Q?Alex_Benn=c3=a9e?= , qemu-devel@nongnu.org Cc: Alistair.Francis@wdc.com On 11/30/18 9:22 AM, Alex Bennée wrote: > > Richard Henderson writes: > >> Move the entire memory operation out of line. > > Given Emilio's numbers is it likely we will want to support both options > given the variability on x86? No, I don't want to support two methods in any one tcg backend. Which is why I'm not really sure what to do about Emilio's results. r~