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=-9.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 C984CC388F7 for ; Tue, 10 Nov 2020 11:31:00 +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 3CC3A20659 for ; Tue, 10 Nov 2020 11:31:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="aJq2XNMX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3CC3A20659 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]:55960 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kcRrW-0008Jl-Ni for qemu-devel@archiver.kernel.org; Tue, 10 Nov 2020 06:30:58 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:45076) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kcRZX-0007gR-V9 for qemu-devel@nongnu.org; Tue, 10 Nov 2020 06:12:23 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:29314) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kcRZV-0004hI-Sa for qemu-devel@nongnu.org; Tue, 10 Nov 2020 06:12:23 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1605006741; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type:in-reply-to:in-reply-to: references:references; bh=TkmwefC3kVAtGCmQqjvbSLJzX4g8HaHIHSYhBkga8nU=; b=aJq2XNMXIEsUb5JDQqo/VeVCLREIPLkS1pFOfNekQZV+er+W3bLDxOM4S4P/+llpbacteo Lp1u0XsvMT+EApXLa+V5L1AEzaW0hh7PGybzFNeYn49btBYvTagMueejwHcY27dWW6tpIM 3ZvMc2ObbocSSiM2hyDvfeTzFzOiRqc= 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-103-4OOtf-nNPMySMfpa7Uu5yQ-1; Tue, 10 Nov 2020 06:12:19 -0500 X-MC-Unique: 4OOtf-nNPMySMfpa7Uu5yQ-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 CBA775720B; Tue, 10 Nov 2020 11:12:17 +0000 (UTC) Received: from thuth.com (ovpn-113-192.ams2.redhat.com [10.36.113.192]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0C60110013D9; Tue, 10 Nov 2020 11:12:14 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org, Peter Maydell Subject: [PULL 18/19] s390x: fix clang 11 warnings in cpu_models.c Date: Tue, 10 Nov 2020 12:11:31 +0100 Message-Id: <20201110111132.559399-19-thuth@redhat.com> In-Reply-To: <20201110111132.559399-1-thuth@redhat.com> References: <20201110111132.559399-1-thuth@redhat.com> 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="US-ASCII" Received-SPF: pass client-ip=216.205.24.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/10 02:00:53 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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_H4=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: Alexander Bulekov , Cornelia Huck Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Daniele Buono There are void * pointers that get casted to enums, in cpu_models.c Such casts can result in a small integer type and are caught as warnings with clang, starting with version 11: Clang 11 finds a bunch of spots in the code that trigger this new warnings: ../qemu-base/target/s390x/cpu_models.c:985:21: error: cast to smaller integer type 'S390Feat' from 'void *' [-Werror,-Wvoid-pointer-to-enum-cast] S390Feat feat = (S390Feat) opaque; ^~~~~~~~~~~~~~~~~ ../qemu-base/target/s390x/cpu_models.c:1002:21: error: cast to smaller integer type 'S390Feat' from 'void *' [-Werror,-Wvoid-pointer-to-enum-cast] S390Feat feat = (S390Feat) opaque; ^~~~~~~~~~~~~~~~~ ../qemu-base/target/s390x/cpu_models.c:1036:27: error: cast to smaller integer type 'S390FeatGroup' from 'void *' [-Werror,-Wvoid-pointer-to-enum-cast] S390FeatGroup group = (S390FeatGroup) opaque; ^~~~~~~~~~~~~~~~~~~~~~ ../qemu-base/target/s390x/cpu_models.c:1057:27: error: cast to smaller integer type 'S390FeatGroup' from 'void *' [-Werror,-Wvoid-pointer-to-enum-cast] S390FeatGroup group = (S390FeatGroup) opaque; ^~~~~~~~~~~~~~~~~~~~~~ 4 errors generated. Avoid this warning by casting the pointer to uintptr_t first. Signed-off-by: Daniele Buono Message-Id: <20201105221905.1350-3-dbuono@linux.vnet.ibm.com> Acked-by: Cornelia Huck Signed-off-by: Thomas Huth --- target/s390x/cpu_models.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c index 461e0b8f4a..b5abff8bef 100644 --- a/target/s390x/cpu_models.c +++ b/target/s390x/cpu_models.c @@ -986,7 +986,7 @@ void s390_realize_cpu_model(CPUState *cs, Error **errp) static void get_feature(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - S390Feat feat = (S390Feat) opaque; + S390Feat feat = (S390Feat) (uintptr_t) opaque; S390CPU *cpu = S390_CPU(obj); bool value; @@ -1003,7 +1003,7 @@ static void get_feature(Object *obj, Visitor *v, const char *name, static void set_feature(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - S390Feat feat = (S390Feat) opaque; + S390Feat feat = (S390Feat) (uintptr_t) opaque; DeviceState *dev = DEVICE(obj); S390CPU *cpu = S390_CPU(obj); bool value; @@ -1037,7 +1037,7 @@ static void set_feature(Object *obj, Visitor *v, const char *name, static void get_feature_group(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - S390FeatGroup group = (S390FeatGroup) opaque; + S390FeatGroup group = (S390FeatGroup) (uintptr_t) opaque; const S390FeatGroupDef *def = s390_feat_group_def(group); S390CPU *cpu = S390_CPU(obj); S390FeatBitmap tmp; @@ -1058,7 +1058,7 @@ static void get_feature_group(Object *obj, Visitor *v, const char *name, static void set_feature_group(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - S390FeatGroup group = (S390FeatGroup) opaque; + S390FeatGroup group = (S390FeatGroup) (uintptr_t) opaque; const S390FeatGroupDef *def = s390_feat_group_def(group); DeviceState *dev = DEVICE(obj); S390CPU *cpu = S390_CPU(obj); -- 2.18.4