From patchwork Thu May 27 20:46:18 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 53827 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 15EE4B7D1F for ; Fri, 28 May 2010 08:01:14 +1000 (EST) Received: from localhost ([127.0.0.1]:50476 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OHl8Y-0008Tm-Bn for incoming@patchwork.ozlabs.org; Thu, 27 May 2010 18:01:10 -0400 Received: from [140.186.70.92] (port=56198 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OHjzN-0002CO-Lx for qemu-devel@nongnu.org; Thu, 27 May 2010 16:47:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OHjzM-0005P6-Ls for qemu-devel@nongnu.org; Thu, 27 May 2010 16:47:37 -0400 Received: from are.twiddle.net ([75.149.56.221]:51239) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OHjzM-0005Oy-Ga for qemu-devel@nongnu.org; Thu, 27 May 2010 16:47:36 -0400 Received: from anchor.twiddle.home (anchor.twiddle.home [172.31.0.4]) by are.twiddle.net (Postfix) with ESMTPS id D836C47E; Thu, 27 May 2010 13:47:35 -0700 (PDT) Received: from anchor.twiddle.home (anchor.twiddle.home [127.0.0.1]) by anchor.twiddle.home (8.14.4/8.14.4) with ESMTP id o4RKlZWN030981; Thu, 27 May 2010 13:47:35 -0700 Received: (from rth@localhost) by anchor.twiddle.home (8.14.4/8.14.4/Submit) id o4RKlYm4030980; Thu, 27 May 2010 13:47:34 -0700 From: Richard Henderson To: qemu-devel@nongnu.org Date: Thu, 27 May 2010 13:46:18 -0700 Message-Id: <1274993204-30766-37-git-send-email-rth@twiddle.net> X-Mailer: git-send-email 1.7.0.1 In-Reply-To: <1274993204-30766-1-git-send-email-rth@twiddle.net> References: <1274993204-30766-1-git-send-email-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) Cc: agraf@suse.de, aurelien@aurel32.net Subject: [Qemu-devel] [PATCH 36/62] tcg-s390: Icache flush is a no-op. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Before gcc 4.2, __builtin___clear_cache doesn't exist, and afterward the gcc s390 backend implements it as nothing. Signed-off-by: Richard Henderson --- tcg/s390/tcg-target.h | 5 ----- 1 files changed, 0 insertions(+), 5 deletions(-) diff --git a/tcg/s390/tcg-target.h b/tcg/s390/tcg-target.h index 0af4d38..fae8ed7 100644 --- a/tcg/s390/tcg-target.h +++ b/tcg/s390/tcg-target.h @@ -95,9 +95,4 @@ enum { static inline void flush_icache_range(unsigned long start, unsigned long stop) { -#if QEMU_GNUC_PREREQ(4, 1) - __builtin___clear_cache((char *) start, (char *) stop); -#else -#error not implemented -#endif }