From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:47807) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gpK74-0001HG-Rf for qemu-devel@nongnu.org; Thu, 31 Jan 2019 16:43:11 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gpK74-0003Nq-0d for qemu-devel@nongnu.org; Thu, 31 Jan 2019 16:43:10 -0500 Received: from mail-pl1-x644.google.com ([2607:f8b0:4864:20::644]:42404) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gpK73-0003Mw-9a for qemu-devel@nongnu.org; Thu, 31 Jan 2019 16:43:09 -0500 Received: by mail-pl1-x644.google.com with SMTP id y1so2070487plp.9 for ; Thu, 31 Jan 2019 13:43:08 -0800 (PST) References: <1548838794-23757-1-git-send-email-catherine.hecx@gmail.com> From: Richard Henderson Message-ID: <1a825a83-3140-0723-74ee-6b74149e4325@linaro.org> Date: Thu, 31 Jan 2019 13:43:04 -0800 MIME-Version: 1.0 In-Reply-To: <1548838794-23757-1-git-send-email-catherine.hecx@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] tcg: add early clober modifier in atomic16_cmpxchg on aarch64 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Catherine Ho , "Emilio G. Cota" Cc: qemu-devel@nongnu.org On 1/30/19 12:59 AM, Catherine Ho wrote: > Without this patch, gcc might up the Input/Output registers and > cause unpredictable error. > > Fixes: 1ec182c33379 ("target/arm: Convert to HAVE_CMPXCHG128") > > Signed-off-by: Catherine Ho Queued, thanks. r~