From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 55180 invoked by alias); 22 Apr 2016 13:10:26 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 55143 invoked by uid 89); 22 Apr 2016 13:10:22 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=reserved X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Fri, 22 Apr 2016 13:10:19 +0000 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 279837F096; Fri, 22 Apr 2016 13:10:18 +0000 (UTC) Received: from [127.0.0.1] (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u3MDAHwi019772; Fri, 22 Apr 2016 09:10:17 -0400 Subject: Re: [PATCH] [ARM] Clear reserved bits in CPSR To: Yao Qi , gdb-patches@sourceware.org References: <1461320654-22274-1-git-send-email-yao.qi@linaro.org> From: Pedro Alves Message-ID: <571A22B8.8050002@redhat.com> Date: Fri, 22 Apr 2016 13:10:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1 MIME-Version: 1.0 In-Reply-To: <1461320654-22274-1-git-send-email-yao.qi@linaro.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-SW-Source: 2016-04/txt/msg00519.txt.bz2 On 04/22/2016 11:24 AM, Yao Qi wrote: > + regs[ARM_CPSR_GREGNUM] = 0xff0fffff & regs[ARM_CPSR_GREGNUM]; No comments on the ARM specifics, but I think it's clearer to write this as: regs[ARM_CPSR_GREGNUM] &= 0xff0fffff; Thanks, Pedro Alves