From patchwork Tue Apr 12 21:59:20 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 90924 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 4EE74B6F59 for ; Wed, 13 Apr 2011 12:31:59 +1000 (EST) Received: from localhost ([::1]:41596 helo=lists2.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q9ps4-00054Q-Ny for incoming@patchwork.ozlabs.org; Tue, 12 Apr 2011 22:31:56 -0400 Received: from eggs.gnu.org ([140.186.70.92]:44185) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q9p9f-0003C0-I0 for qemu-devel@nongnu.org; Tue, 12 Apr 2011 21:46:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Q9lce-0007MW-4F for qemu-devel@nongnu.org; Tue, 12 Apr 2011 17:59:45 -0400 Received: from hall.aurel32.net ([88.191.126.93]:49828) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q9lcd-0007LT-TQ for qemu-devel@nongnu.org; Tue, 12 Apr 2011 17:59:44 -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 1Q9lcd-00088v-0Y; Tue, 12 Apr 2011 23:59:43 +0200 Received: from aurel32 by volta.aurel32.net with local (Exim 4.72) (envelope-from ) id 1Q9lcX-0002ZS-TH; Tue, 12 Apr 2011 23:59:38 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Tue, 12 Apr 2011 23:59:20 +0200 Message-Id: <1302645571-20500-9-git-send-email-aurelien@aurel32.net> X-Mailer: git-send-email 1.7.2.3 In-Reply-To: <1302645571-20500-1-git-send-email-aurelien@aurel32.net> References: <1302645571-20500-1-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 08/19] target-alpha: use new float64_unordered() function 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 Use float64_unordered() in helper_cmptun() instead of doing the the comparison manually. This also fixes the wrong behaviours with sNaNs. Signed-off-by: Aurelien Jarno --- target-alpha/op_helper.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/target-alpha/op_helper.c b/target-alpha/op_helper.c index 6c2ae20..e07ae69 100644 --- a/target-alpha/op_helper.c +++ b/target-alpha/op_helper.c @@ -904,10 +904,11 @@ uint64_t helper_cmptun (uint64_t a, uint64_t b) fa = t_to_float64(a); fb = t_to_float64(b); - if (float64_is_quiet_nan(fa) || float64_is_quiet_nan(fb)) + if (float64_unordered(fa, fb, &FP_STATUS)) { return 0x4000000000000000ULL; - else + } else { return 0; + } } uint64_t helper_cmpteq(uint64_t a, uint64_t b)