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=-15.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham 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 485BBC0018C for ; Wed, 16 Dec 2020 17:36:37 +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 B2EAB23609 for ; Wed, 16 Dec 2020 17:36:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B2EAB23609 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41298 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kpaj5-0005jZ-GQ for qemu-devel@archiver.kernel.org; Wed, 16 Dec 2020 12:36:35 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:48920) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kpad0-00005y-Kv for qemu-devel@nongnu.org; Wed, 16 Dec 2020 12:30:18 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:40107) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kpacu-00015N-KX for qemu-devel@nongnu.org; Wed, 16 Dec 2020 12:30:18 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1608139811; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4o7enOJhfGQhYZW5tw/osEf8m1Un/eK6CpZQot16IZg=; b=LVxB9BAjGiLIefS8hdXa0DXEYWGHgTX8D+uhD0cMcq9/uuf4uWHdWW90MeU6Q6GZra+SdX X3AfL6CZrPy3SysUMlyiINo5RyGNjNR4gXGBDwg75aYX2d6LqEOJxzm7fQXz71Ec9gWp76 5k3S/CmXjAUQ1dBmcFUC9Zj60vqNiTo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-169-8D3ePYu6Pa-VBzPLrCwk8A-1; Wed, 16 Dec 2020 12:30:06 -0500 X-MC-Unique: 8D3ePYu6Pa-VBzPLrCwk8A-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 595B6800D62; Wed, 16 Dec 2020 17:30:05 +0000 (UTC) Received: from thuth.com (ovpn-113-7.ams2.redhat.com [10.36.113.7]) by smtp.corp.redhat.com (Postfix) with ESMTP id 025C210016F4; Wed, 16 Dec 2020 17:30:03 +0000 (UTC) From: Thomas Huth To: Peter Maydell , qemu-devel@nongnu.org Subject: [PULL 05/12] target/i386: silence the compiler warnings in gen_shiftd_rm_T1 Date: Wed, 16 Dec 2020 18:29:42 +0100 Message-Id: <20201216172949.57380-6-thuth@redhat.com> In-Reply-To: <20201216172949.57380-1-thuth@redhat.com> References: <20201216172949.57380-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=thuth@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: Chen Qun , =?UTF-8?q?Alex=20Benn=C3=A9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Chen Qun The current "#ifdef TARGET_X86_64" statement affects the compiler's determination of fall through. When using -Wimplicit-fallthrough in our CFLAGS, the compiler showed warning: target/i386/translate.c: In function ‘gen_shiftd_rm_T1’: target/i386/translate.c:1773:12: warning: this statement may fall through [-Wimplicit-fallthrough=] if (is_right) { ^ target/i386/translate.c:1782:5: note: here case MO_32: ^~~~ Reported-by: Euler Robot Signed-off-by: Chen Qun Signed-off-by: Thomas Huth Reviewed-by: Richard Henderson Reviewed-by: Thomas Huth Message-Id: <20201211152426.350966-6-thuth@redhat.com> Signed-off-by: Thomas Huth --- target/i386/translate.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/target/i386/translate.c b/target/i386/translate.c index e8f5f5803a..25fec8a150 100644 --- a/target/i386/translate.c +++ b/target/i386/translate.c @@ -1777,9 +1777,12 @@ static void gen_shiftd_rm_T1(DisasContext *s, MemOp ot, int op1, } else { tcg_gen_deposit_tl(s->T1, s->T0, s->T1, 16, 16); } - /* FALLTHRU */ -#ifdef TARGET_X86_64 + /* + * If TARGET_X86_64 defined then fall through into MO_32 case, + * otherwise fall through default case. + */ case MO_32: +#ifdef TARGET_X86_64 /* Concatenate the two 32-bit values and use a 64-bit shift. */ tcg_gen_subi_tl(s->tmp0, count, 1); if (is_right) { -- 2.27.0