From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42363) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gSmxh-0001WC-W5 for qemu-devel@nongnu.org; Fri, 30 Nov 2018 12:52:26 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gSmxc-0007ip-44 for qemu-devel@nongnu.org; Fri, 30 Nov 2018 12:52:21 -0500 Received: from mail-wr1-x443.google.com ([2a00:1450:4864:20::443]:35038) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gSmxa-0007hL-1N for qemu-devel@nongnu.org; Fri, 30 Nov 2018 12:52:14 -0500 Received: by mail-wr1-x443.google.com with SMTP id 96so6132031wrb.2 for ; Fri, 30 Nov 2018 09:52:13 -0800 (PST) References: <20181123144558.5048-1-richard.henderson@linaro.org> <20181123144558.5048-10-richard.henderson@linaro.org> <87sgzi32fk.fsf@linaro.org> <49a0e9a4-9266-aad5-4059-b4197a3d64ba@linaro.org> From: Alex =?utf-8?Q?Benn=C3=A9e?= In-reply-to: <49a0e9a4-9266-aad5-4059-b4197a3d64ba@linaro.org> Date: Fri, 30 Nov 2018 17:52:11 +0000 Message-ID: <87o9a6312s.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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: Richard Henderson Cc: qemu-devel@nongnu.org, Alistair.Francis@wdc.com Richard Henderson writes: > On 11/30/18 9:22 AM, Alex Benn=C3=A9e 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. They at least seem pretty positive on aarch64 backends.... -- Alex Benn=C3=A9e