From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D87EDC433DF for ; Fri, 31 Jul 2020 09:21:38 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A1D25208E4 for ; Fri, 31 Jul 2020 09:21:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="C02GibLj" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1D25208E4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:37964 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k1REP-0005DL-SC for qemu-devel@archiver.kernel.org; Fri, 31 Jul 2020 05:21:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40802) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k1RDo-0004fy-To for qemu-devel@nongnu.org; Fri, 31 Jul 2020 05:21:00 -0400 Received: from mail-ot1-x342.google.com ([2607:f8b0:4864:20::342]:36843) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k1RDm-0002UQ-6H for qemu-devel@nongnu.org; Fri, 31 Jul 2020 05:21:00 -0400 Received: by mail-ot1-x342.google.com with SMTP id l27so15016174oti.3 for ; Fri, 31 Jul 2020 02:20:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=p/bq1ZJ8SLs8bMKBvzOj1go2qGbYrZnb8EtXbiteBAk=; b=C02GibLjlOL82nBjDWyOvyZwfySCAyzA9n8x7f1ih+905rSmdjPodI3yILnbZ7Xa90 9V2VP8s8tI5uXtBRtL1MB9tP2yihn0A5Z+IHqd4emAYWsaLQLlpPefrfFcR7fZnnVNnR OudbXZCbXTzjHvxntsPkC8R4YQb1zBpOA8tFYkuEM3WX9IN+tXyy92rsNj0N/CCeC287 ZqwvNH08I3NWTlAYG28+Sui4nrVa7il06lC5OcOSnRXIBqUvh6431tAs2olnRwIvFDGZ G9uR3bxB7DUPRhJ/kNe62tbwfKm7ejJDlJBPswNoipddiyjrgIDWPQcwzaO5P96Jlsjv cPFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=p/bq1ZJ8SLs8bMKBvzOj1go2qGbYrZnb8EtXbiteBAk=; b=QydMroQzZMgoldxAfR92EEStd5OAkp1Tz9h30cOwB3w9yzRZs9MWivxzBGpH6sorE8 z8wDZF+2cdqQiX46inHUfLj4L0GnrAFHyqhi2dV+fPmyTDk5NcX6cZo+2NbXMLqHErSJ viAXcMw2fbzHua+/x9J/V8FSEAKiwLywkp9aCpe2jk0JQDlzPSrvGwMlFzhdAv6z84B/ W2Cj2Y4Sk9fcDN9ugzz8UzcgK75Rx55HtEuPKzl/XfMMw8O07IwdtiIfuxZhfz60ib/4 WF6N1HnGjD2QHR+nAu2EhH1uvNdo0MLmDeMWT9d2vSQg9iut5mTHofK4zHgmwYQ+afQl 9BTw== X-Gm-Message-State: AOAM533J7oAJk6CWJixez8po1GwyPAIVZ22S0O+RTUjHMKtNv58+TyoG oZAixZ8f8Oq++F428Ax8C+BBTVFSzcLHsZB4x28Jbw== X-Google-Smtp-Source: ABdhPJwapDJ3/BvoWinp7g1cpPFzBGpErvwdhDmsRbyxQatoPUO5VL1cSrMPfA75ZVsT9U2d+BP/Vlvc6X8g5k+prq8= X-Received: by 2002:a9d:39c2:: with SMTP id y60mr2147241otb.91.1596187256519; Fri, 31 Jul 2020 02:20:56 -0700 (PDT) MIME-Version: 1.0 References: <1596186433-17364-1-git-send-email-likaige@loongson.cn> In-Reply-To: <1596186433-17364-1-git-send-email-likaige@loongson.cn> From: Peter Maydell Date: Fri, 31 Jul 2020 10:20:45 +0100 Message-ID: Subject: Re: [PATCH v3] target/arm: Fix compile error in gcc 4.9.4. To: Kaige Li Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2607:f8b0:4864:20::342; envelope-from=peter.maydell@linaro.org; helo=mail-ot1-x342.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Fri, 31 Jul 2020 at 10:07, Kaige Li wrote: > > Error log: > > /home/LiKaige/qemu/target/arm/translate-a64.c: In function =E2=80=98disas= _ldst=E2=80=99: > /home/LiKaige/qemu/target/arm/translate-a64.c:3392:5: error: =E2=80=98fn= =E2=80=99 may be used uninitialized in this function [-Werror=3Dmaybe-unini= tialized] > fn(cpu_reg(s, rt), clean_addr, tcg_rs, get_mem_index(s), > ^ > /home/LiKaige/qemu/target/arm/translate-a64.c:3318:22: note: =E2=80=98fn= =E2=80=99 was declared here > AtomicThreeOpFn *fn; > ^ > cc1: all warnings being treated as errors > > Add an initiallization value NULL for fn to fix this. As I said, I've already applied this patch to target-arm.next, so you don't need to do anything further. It'll get into master probably on Monday. thanks -- PMM