From patchwork Wed Apr 20 10:12:00 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 92138 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 21742B6FC1 for ; Wed, 20 Apr 2011 20:14:12 +1000 (EST) Received: from localhost ([::1]:57922 helo=lists2.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QCUQD-0002Wi-9l for incoming@patchwork.ozlabs.org; Wed, 20 Apr 2011 06:14:09 -0400 Received: from eggs.gnu.org ([140.186.70.92]:43294) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QCUOZ-0008Rv-Mi for qemu-devel@nongnu.org; Wed, 20 Apr 2011 06:12:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QCUOX-0004Sh-R5 for qemu-devel@nongnu.org; Wed, 20 Apr 2011 06:12:27 -0400 Received: from hall.aurel32.net ([88.191.126.93]:43744) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QCUOX-0004S6-Ha for qemu-devel@nongnu.org; Wed, 20 Apr 2011 06:12:25 -0400 Received: from [90.84.144.153] (helo=volta.aurel32.net) by hall.aurel32.net with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1QCUOW-0002qL-QG; Wed, 20 Apr 2011 12:12:25 +0200 Received: from aurel32 by volta.aurel32.net with local (Exim 4.72) (envelope-from ) id 1QCUOO-0006HH-8I; Wed, 20 Apr 2011 12:12:16 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Wed, 20 Apr 2011 12:12:00 +0200 Message-Id: <1303294329-22634-12-git-send-email-aurelien@aurel32.net> X-Mailer: git-send-email 1.7.2.3 In-Reply-To: <1303294329-22634-1-git-send-email-aurelien@aurel32.net> References: <1303294329-22634-1-git-send-email-aurelien@aurel32.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 88.191.126.93 Cc: Aurelien Jarno Subject: [Qemu-devel] [PATCH v2 11/20] target-i386: fix helper_fbld_ST0() wrt softfloat X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Aurelien Jarno Reviewed-by: Peter Maydell --- target-i386/op_helper.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) v1 -> v2: fix handling of -0 diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c index f614893..22cb549 100644 --- a/target-i386/op_helper.c +++ b/target-i386/op_helper.c @@ -3920,9 +3920,10 @@ void helper_fbld_ST0(target_ulong ptr) v = ldub(ptr + i); val = (val * 100) + ((v >> 4) * 10) + (v & 0xf); } - tmp = val; - if (ldub(ptr + 9) & 0x80) - tmp = -tmp; + tmp = int64_to_floatx(val, &env->fp_status); + if (ldub(ptr + 9) & 0x80) { + floatx_chs(tmp); + } fpush(); ST0 = tmp; }