From nobody Thu Apr 25 23:36:51 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1596186504; cv=none; d=zohomail.com; s=zohoarc; b=BoL1FotK4qimYsw2NS8cUkQGhNZa6GhQdueBvFgSJF4uM+brbON+A532e6j7VTGvCy9a7vOeXKQIGjieirNuINw00YpKyFIxkleomsvOH5zwxfFKF9jiElMfzx9f3aez5CcFrREkJZT12u44ZDTLOTlxyuZtGj+2lQMGcC+Rx3M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1596186504; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=IOkpUMfSoaQcaaZ0hjEPryOQrMLu9ZdQGnDtMCo8M+Q=; b=l1ReJ6A3MykDJyH43xvHdj8gjDioGX+XbJGWPniOvvUsUYRfsCQryRybIOaaDmWPYRhTOe8ALY+fJSYDK4ufwOMCGHle04Dje1z1HC24+FxLl1eYZWmY2iKQ3wpqQiIS++MHakg+46poafi+QkVzgwve3JfmgZoVzwJB+hCFVF4= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1596186503086745.1078016974515; Fri, 31 Jul 2020 02:08:23 -0700 (PDT) Received: from localhost ([::1]:34564 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k1R1Z-0002vj-RY for importer@patchew.org; Fri, 31 Jul 2020 05:08:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38458) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k1R0h-0001ss-6f; Fri, 31 Jul 2020 05:07:27 -0400 Received: from mail.loongson.cn ([114.242.206.163]:39976 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k1R0e-00013E-Qx; Fri, 31 Jul 2020 05:07:26 -0400 Received: from bogon.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9Dx6MVC3yNfcvMCAA--.35S2; Fri, 31 Jul 2020 17:07:15 +0800 (CST) From: Kaige Li To: Peter Maydell Subject: [PATCH v3] target/arm: Fix compile error in gcc 4.9.4. Date: Fri, 31 Jul 2020 17:07:13 +0800 Message-Id: <1596186433-17364-1-git-send-email-likaige@loongson.cn> X-Mailer: git-send-email 2.1.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf9Dx6MVC3yNfcvMCAA--.35S2 X-Coremail-Antispam: 1UD129KBjvdXoW7GFyUJr1kAr4fKr4DKFWUtwb_yoWkKFb_CF 18Wa1kGry5XayIqw4xuw45tr48Krn7XrnF9a4DGa98Ga1kJw4rG3WkX3s7Zrn8Crs7tryr uF4ag34rW3ya9jkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbwAYjsxI4VWkKwAYFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I 6I8E6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l8cAvFVAK0II2c7xJM2 8CjxkF64kEwVA0rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVW5JVW7JwA2z4x0Y4vE2Ix0 cI8IcVCY1x0267AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_Cr1j6rxdM28EF7xvwV C2z280aVCY1x0267AKxVW0oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC 0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Cr0_Gr 1UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x0EwIxGrwCF x2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14 v26r106r1rMI8E67AF67kF1VAFwI0_Jrv_JF1lIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY 67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k26cxKx2 IYs7xG6rWUJVWrZr1UMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAF wI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x07bekskUUUUU= X-CM-SenderInfo: 5olntxtjh6z05rqj20fqof0/ Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=114.242.206.163; envelope-from=likaige@loongson.cn; helo=loongson.cn X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/31 05:07:17 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham 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@nongnu.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Error log: /home/LiKaige/qemu/target/arm/translate-a64.c: In function =E2=80=98disas_l= dst=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-uninitia= lized] 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. Signed-off-by: Kaige Li --- target/arm/translate-a64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 8c07649..c98dfb1 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -3315,7 +3315,7 @@ static void disas_ldst_atomic(DisasContext *s, uint32= _t insn, bool r =3D extract32(insn, 22, 1); bool a =3D extract32(insn, 23, 1); TCGv_i64 tcg_rs, clean_addr; - AtomicThreeOpFn *fn; + AtomicThreeOpFn *fn =3D NULL; =20 if (is_vector || !dc_isar_feature(aa64_atomics, s)) { unallocated_encoding(s); --=20 2.1.0