From patchwork Mon Nov 16 02:48:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Chen Qun X-Patchwork-Id: 11907253 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 137CF1668 for ; Mon, 16 Nov 2020 02:50:51 +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 C1A18206E0 for ; Mon, 16 Nov 2020 02:50:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C1A18206E0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:42268 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1keUbR-0000Xr-Rz for patchwork-qemu-devel@patchwork.kernel.org; Sun, 15 Nov 2020 21:50:49 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58580) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1keUZn-0006f5-AR; Sun, 15 Nov 2020 21:49:07 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:2351) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1keUZk-0002t9-Co; Sun, 15 Nov 2020 21:49:06 -0500 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4CZD6N3NFfzkYgn; Mon, 16 Nov 2020 10:48:44 +0800 (CST) Received: from huawei.com (10.175.104.175) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.487.0; Mon, 16 Nov 2020 10:48:51 +0800 From: Chen Qun To: , Subject: [PATCH v3 5/7] target/sparc/win_helper: silence the compiler warnings Date: Mon, 16 Nov 2020 10:48:08 +0800 Message-ID: <20201116024810.2415819-6-kuhn.chenqun@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20201116024810.2415819-1-kuhn.chenqun@huawei.com> References: <20201116024810.2415819-1-kuhn.chenqun@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.104.175] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.190; envelope-from=kuhn.chenqun@huawei.com; helo=szxga04-in.huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/15 21:16:58 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=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: zhang.zhanghailiang@huawei.com, Mark Cave-Ayland , Richard Henderson , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , ganqixin@huawei.com, Euler Robot , Chen Qun , Artyom Tarasenko Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" When using -Wimplicit-fallthrough in our CFLAGS on GCC9, the compiler showed warning: target/sparc/win_helper.c: In function ‘get_gregset’: target/sparc/win_helper.c:304:9: warning: this statement may fall through [-Wimplicit-fallthrough=] 304 | trace_win_helper_gregset_error(pstate); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ target/sparc/win_helper.c:306:5: note: here 306 | case 0: | ^~~~ Add the corresponding "fall through" comment to fix it. Reported-by: Euler Robot Signed-off-by: Chen Qun Reviewed-by: Artyom Tarasenko Reviewed-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- v1->v2: Combine the /* fall through */ to the preceding comments (Base on Philippe's comments). Cc: Philippe Mathieu-Daudé Cc: Mark Cave-Ayland Cc: Artyom Tarasenko --- target/sparc/win_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/sparc/win_helper.c b/target/sparc/win_helper.c index 8290a21142..e78660b60a 100644 --- a/target/sparc/win_helper.c +++ b/target/sparc/win_helper.c @@ -302,7 +302,7 @@ static inline uint64_t *get_gregset(CPUSPARCState *env, uint32_t pstate) switch (pstate) { default: trace_win_helper_gregset_error(pstate); - /* pass through to normal set of global registers */ + /* fall through to normal set of global registers */ case 0: return env->bgregs; case PS_AG: