From patchwork Thu Dec 10 13:47:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 11964635 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 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 AC025C0018C for ; Thu, 10 Dec 2020 13:49:02 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 55C7223119 for ; Thu, 10 Dec 2020 13:49:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 55C7223119 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.49251.87079 (Exim 4.92) (envelope-from ) id 1knMJS-0006bo-Vo; Thu, 10 Dec 2020 13:48:54 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 49251.87079; Thu, 10 Dec 2020 13:48:54 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1knMJS-0006bf-Rg; Thu, 10 Dec 2020 13:48:54 +0000 Received: by outflank-mailman (input) for mailman id 49251; Thu, 10 Dec 2020 13:48:54 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1knMJS-0006bH-2f for xen-devel@lists.xenproject.org; Thu, 10 Dec 2020 13:48:54 +0000 Received: from us-smtp-delivery-124.mimecast.com (unknown [216.205.24.124]) by us1-rack-iad1.inumbo.com (Halon) with ESMTP id 4897c4a1-b609-4ecf-8209-e86397e795cd; Thu, 10 Dec 2020 13:48:53 +0000 (UTC) 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-549-3rhGTMrfP0ODZkGQQriAyA-1; Thu, 10 Dec 2020 08:48:51 -0500 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 D45791005E45; Thu, 10 Dec 2020 13:48:48 +0000 (UTC) Received: from localhost (unknown [10.36.110.59]) by smtp.corp.redhat.com (Postfix) with ESMTP id D37D710016F6; Thu, 10 Dec 2020 13:48:35 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 4897c4a1-b609-4ecf-8209-e86397e795cd DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1607608133; 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=1DdfdKdA7l8BixI1VKlgzbdz9vMe5mVRY9RuhcSENTs=; b=a3GdI08aPy7uMc9VHpSQ5bstbRBapA1JHGtbR90t3jvxOyVl+h56hqIH7+K/M8NW1KoZlt gCRE7kz7kKPdgtJIcdr9b0LhHG1UugYJIruL6H3RBSVtGVWK/QcloW0ROeROubIqnAsD/d fqxx1j83t5mJ2zLS+XAUnkz6eCYc9ac= X-MC-Unique: 3rhGTMrfP0ODZkGQQriAyA-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: philmd@redhat.com, Richard Henderson , Laurent Vivier , Paul Durrant , xen-devel@lists.xenproject.org, Stefan Hajnoczi , Gerd Hoffmann , Stefano Stabellini , Anthony Perard , "Dr. David Alan Gilbert" , qemu-arm@nongnu.org, Paolo Bonzini , Peter Maydell , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= Subject: [PATCH v3 03/13] compiler.h: remove GCC < 3 __builtin_expect fallback Date: Thu, 10 Dec 2020 17:47:42 +0400 Message-Id: <20201210134752.780923-4-marcandre.lureau@redhat.com> In-Reply-To: <20201210134752.780923-1-marcandre.lureau@redhat.com> References: <20201210134752.780923-1-marcandre.lureau@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=marcandre.lureau@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com From: Marc-André Lureau Since commit efc6c07 ("configure: Add a test for the minimum compiler version"), QEMU explicitely depends on GCC >= 4.8. (clang >= 3.4 advertizes itself as GCC >= 4.2 compatible and supports __builtin_expect too) Signed-off-by: Marc-André Lureau --- include/qemu/compiler.h | 4 ---- 1 file changed, 4 deletions(-) diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h index c76281f354..226ead6c90 100644 --- a/include/qemu/compiler.h +++ b/include/qemu/compiler.h @@ -44,10 +44,6 @@ #endif #ifndef likely -#if __GNUC__ < 3 -#define __builtin_expect(x, n) (x) -#endif - #define likely(x) __builtin_expect(!!(x), 1) #define unlikely(x) __builtin_expect(!!(x), 0) #endif