From patchwork Wed Apr 20 10:11:53 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 92135 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 9DA4EB6FBE for ; Wed, 20 Apr 2011 20:13:00 +1000 (EST) Received: from localhost ([::1]:53646 helo=lists2.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QCUP3-0000AP-OA for incoming@patchwork.ozlabs.org; Wed, 20 Apr 2011 06:12:57 -0400 Received: from eggs.gnu.org ([140.186.70.92]:43250) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QCUOY-0008Rk-Gw 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 1QCUOW-0004RF-EP for qemu-devel@nongnu.org; Wed, 20 Apr 2011 06:12:26 -0400 Received: from hall.aurel32.net ([88.191.126.93]:43737) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QCUOW-0004Qq-8U for qemu-devel@nongnu.org; Wed, 20 Apr 2011 06:12:24 -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 1QCUOV-0002qE-Ab; Wed, 20 Apr 2011 12:12:23 +0200 Received: from aurel32 by volta.aurel32.net with local (Exim 4.72) (envelope-from ) id 1QCUON-0006Gw-9Y; Wed, 20 Apr 2011 12:12:15 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Wed, 20 Apr 2011 12:11:53 +0200 Message-Id: <1303294329-22634-5-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 04/20] softfloat: add pi 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 a pi constant for float32, float64, floatx80. It will be used by target-i386 and later by the trigonometric functions. Signed-off-by: Aurelien Jarno Reviewed-by: Peter Maydell --- fpu/softfloat.h | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) v1 -> v2: fix typo creating a float64 constant with make_float32 diff --git a/fpu/softfloat.h b/fpu/softfloat.h index 90e0c41..7b3b88f 100644 --- a/fpu/softfloat.h +++ b/fpu/softfloat.h @@ -387,6 +387,7 @@ INLINE float32 float32_set_sign(float32 a, int sign) #define float32_zero make_float32(0) #define float32_one make_float32(0x3f800000) #define float32_ln2 make_float32(0x3f317218) +#define float32_pi make_float32(0x40490fdb) #define float32_half make_float32(0x3f000000) #define float32_infinity make_float32(0x7f800000) @@ -499,6 +500,7 @@ INLINE float64 float64_set_sign(float64 a, int sign) #define float64_zero make_float64(0) #define float64_one make_float64(0x3ff0000000000000LL) #define float64_ln2 make_float64(0x3fe62e42fefa39efLL) +#define float64_pi make_float64(0x400921fb54442d18LL) #define float64_half make_float64(0x3fe0000000000000LL) #define float64_infinity make_float64(0x7ff0000000000000LL) @@ -588,6 +590,7 @@ INLINE int floatx80_is_any_nan(floatx80 a) #define floatx80_zero make_floatx80(0x0000, 0x0000000000000000LL) #define floatx80_one make_floatx80(0x3fff, 0x8000000000000000LL) #define floatx80_ln2 make_floatx80(0x3ffe, 0xb17217f7d1cf79acLL) +#define floatx80_pi make_floatx80(0x4000, 0xc90fdaa22168c235LL) #define floatx80_half make_floatx80(0x3ffe, 0x8000000000000000LL) #define floatx80_infinity make_floatx80(0x7fff, 0x8000000000000000LL)