From patchwork Wed Sep 19 00:23:53 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Filippov X-Patchwork-Id: 184890 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id E57662C008A for ; Wed, 19 Sep 2012 10:24:38 +1000 (EST) Received: from localhost ([::1]:35816 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TE85k-0000Ku-R4 for incoming@patchwork.ozlabs.org; Tue, 18 Sep 2012 20:24:36 -0400 Received: from eggs.gnu.org ([208.118.235.92]:47780) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TE85Q-0008RT-2L for qemu-devel@nongnu.org; Tue, 18 Sep 2012 20:24:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TE85O-000536-QV for qemu-devel@nongnu.org; Tue, 18 Sep 2012 20:24:15 -0400 Received: from mail-lpp01m010-f45.google.com ([209.85.215.45]:61843) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TE85O-00052h-K2 for qemu-devel@nongnu.org; Tue, 18 Sep 2012 20:24:14 -0400 Received: by mail-lpp01m010-f45.google.com with SMTP id z14so273861lag.4 for ; Tue, 18 Sep 2012 17:24:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=r3aK4i+C/yfG13rBvMSyETbJNGuIgS+7N0AYTsCzGVM=; b=pkLw99b8gy93oNVV0RraHqD8Bj+K1mT3QNBQCjimWwWMw7fHpssiUkAcuNCGdKyX1n DxuH73TRFUUzkZrrOwQFYtiZwyMMeGqLvddIVZ+7pmZtCLBTHF0HiHnfG8kSSb3arJ6w dNZmss1w4Zbtk5Nd6fI2e4mkw7We+1MYZs3ehGVerrSySgGgtqnA58MuDi1bP3Zpa4db BjOVQTo7vvZE9VgHo1aB2FSh3aJ1QsaX3ri1ClICfZ2cUAc2hBW3fTIVQpLXHnEsxxii Juit6iE1qn/L8OOe12mEwme7b6LNH1v2C6DBoKsw904MthRxH0SxmLtjLXCZfmUNXb61 0JXA== Received: by 10.112.31.233 with SMTP id d9mr440469lbi.116.1348014254169; Tue, 18 Sep 2012 17:24:14 -0700 (PDT) Received: from octofox.metropolis ([188.134.19.124]) by mx.google.com with ESMTPS id hh10sm236651lab.10.2012.09.18.17.24.12 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 18 Sep 2012 17:24:13 -0700 (PDT) From: Max Filippov To: qemu-devel@nongnu.org Date: Wed, 19 Sep 2012 04:23:53 +0400 Message-Id: <1348014239-6233-5-git-send-email-jcmvbkbc@gmail.com> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <1348014239-6233-1-git-send-email-jcmvbkbc@gmail.com> References: <1348014239-6233-1-git-send-email-jcmvbkbc@gmail.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.85.215.45 Cc: Blue Swirl , Peter Maydell , Max Filippov Subject: [Qemu-devel] [PATCH v3 04/10] target-xtensa: specialize softfloat NaN rules 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 NaN propagation rule: leftmost NaN in the expression gets propagated to the result. Signed-off-by: Max Filippov --- fpu/softfloat-specialize.h | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h index 50b54b8..a1d489e 100644 --- a/fpu/softfloat-specialize.h +++ b/fpu/softfloat-specialize.h @@ -64,7 +64,8 @@ const float16 float16_default_nan = const_float16(0xFE00); *----------------------------------------------------------------------------*/ #if defined(TARGET_SPARC) const float32 float32_default_nan = const_float32(0x7FFFFFFF); -#elif defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_ALPHA) +#elif defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_ALPHA) || \ + defined(TARGET_XTENSA) const float32 float32_default_nan = const_float32(0x7FC00000); #elif SNAN_BIT_IS_ONE const float32 float32_default_nan = const_float32(0x7FBFFFFF); @@ -403,7 +404,7 @@ static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN, return 1; } } -#elif defined(TARGET_PPC) +#elif defined(TARGET_PPC) || defined(TARGET_XTENSA) static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN, flag aIsLargerSignificand) {