From patchwork Mon Apr 18 20:59:54 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 91845 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 515651007D9 for ; Tue, 19 Apr 2011 07:00:55 +1000 (EST) Received: from localhost ([::1]:39429 helo=lists2.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QBvYy-0007K3-D1 for incoming@patchwork.ozlabs.org; Mon, 18 Apr 2011 17:00:52 -0400 Received: from eggs.gnu.org ([140.186.70.92]:59263) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QBvYW-0007JX-9W for qemu-devel@nongnu.org; Mon, 18 Apr 2011 17:00:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QBvYV-0004j2-6n for qemu-devel@nongnu.org; Mon, 18 Apr 2011 17:00:24 -0400 Received: from hall.aurel32.net ([88.191.126.93]:44193) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QBvYU-0004ig-Ut for qemu-devel@nongnu.org; Mon, 18 Apr 2011 17:00:23 -0400 Received: from [2001:470:d4ed:0:5e26:aff:fe2b:6f5b] (helo=volta.aurel32.net) by hall.aurel32.net with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1QBvYT-000277-Mw; Mon, 18 Apr 2011 23:00:21 +0200 Received: from aurel32 by volta.aurel32.net with local (Exim 4.72) (envelope-from ) id 1QBvYS-0005Sn-Gc; Mon, 18 Apr 2011 23:00:20 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Mon, 18 Apr 2011 22:59:54 +0200 Message-Id: <1303160412-8107-3-git-send-email-aurelien@aurel32.net> X-Mailer: git-send-email 1.7.2.3 In-Reply-To: <1303160412-8107-1-git-send-email-aurelien@aurel32.net> References: <1303160412-8107-1-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 02/20] softfloat: fix floatx80_is_infinity() 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 With floatx80, the explicit bit is set for infinity. Signed-off-by: Aurelien Jarno Reviewed-by: Peter Maydell --- fpu/softfloat.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fpu/softfloat.h b/fpu/softfloat.h index 340f0a9..3363128 100644 --- a/fpu/softfloat.h +++ b/fpu/softfloat.h @@ -566,7 +566,7 @@ INLINE floatx80 floatx80_chs(floatx80 a) INLINE int floatx80_is_infinity(floatx80 a) { - return (a.high & 0x7fff) == 0x7fff && a.low == 0; + return (a.high & 0x7fff) == 0x7fff && a.low == 0x8000000000000000LL; } INLINE int floatx80_is_neg(floatx80 a)