From patchwork Mon Apr 18 20:59:55 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 91846 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 5F37D1007DF for ; Tue, 19 Apr 2011 07:00:57 +1000 (EST) Received: from localhost ([::1]:39443 helo=lists2.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QBvZ0-0007Kw-OZ for incoming@patchwork.ozlabs.org; Mon, 18 Apr 2011 17:00:54 -0400 Received: from eggs.gnu.org ([140.186.70.92]:59291) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QBvYX-0007JY-8K 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-0004jJ-7r for qemu-devel@nongnu.org; Mon, 18 Apr 2011 17:00:25 -0400 Received: from hall.aurel32.net ([88.191.126.93]:44194) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QBvYU-0004ih-Ux 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-000278-TI; Mon, 18 Apr 2011 23:00:21 +0200 Received: from aurel32 by volta.aurel32.net with local (Exim 4.72) (envelope-from ) id 1QBvYS-0005Sq-L6; Mon, 18 Apr 2011 23:00:20 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Mon, 18 Apr 2011 22:59:55 +0200 Message-Id: <1303160412-8107-4-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 03/20] softfloat: add floatx80 constants 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 Add floatx80 constants similarly to float32 or float64. Signed-off-by: Aurelien Jarno Reviewed-by: Peter Maydell --- fpu/softfloat.h | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/fpu/softfloat.h b/fpu/softfloat.h index 3363128..90e0c41 100644 --- a/fpu/softfloat.h +++ b/fpu/softfloat.h @@ -154,6 +154,7 @@ typedef struct { uint64_t low; uint16_t high; } floatx80; +#define make_floatx80(exp, mant) ((floatx80) { mant, exp }) #endif #ifdef FLOAT128 typedef struct { @@ -584,6 +585,12 @@ INLINE int floatx80_is_any_nan(floatx80 a) return ((a.high & 0x7fff) == 0x7fff) && (a.low<<1); } +#define floatx80_zero make_floatx80(0x0000, 0x0000000000000000LL) +#define floatx80_one make_floatx80(0x3fff, 0x8000000000000000LL) +#define floatx80_ln2 make_floatx80(0x3ffe, 0xb17217f7d1cf79acLL) +#define floatx80_half make_floatx80(0x3ffe, 0x8000000000000000LL) +#define floatx80_infinity make_floatx80(0x7fff, 0x8000000000000000LL) + /*---------------------------------------------------------------------------- | The pattern for a default generated extended double-precision NaN. The | `high' and `low' values hold the most- and least-significant bits,