From patchwork Mon Dec 31 18:09:04 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 208890 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 EAAD82C00A6 for ; Tue, 1 Jan 2013 05:09:48 +1100 (EST) Received: from localhost ([::1]:54218 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Tpjo3-0003ho-0X for incoming@patchwork.ozlabs.org; Mon, 31 Dec 2012 13:09:47 -0500 Received: from eggs.gnu.org ([208.118.235.92]:44580) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TpjnV-0002Eq-M5 for qemu-devel@nongnu.org; Mon, 31 Dec 2012 13:09:16 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TpjnQ-0003si-K3 for qemu-devel@nongnu.org; Mon, 31 Dec 2012 13:09:13 -0500 Received: from mail-ia0-f182.google.com ([209.85.210.182]:39050) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TpjnQ-0003sU-Fg for qemu-devel@nongnu.org; Mon, 31 Dec 2012 13:09:08 -0500 Received: by mail-ia0-f182.google.com with SMTP id x2so10652743iad.41 for ; Mon, 31 Dec 2012 10:09:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:sender:from:to:cc:subject:date:message-id:x-mailer :in-reply-to:references; bh=b4jWzuE457ZduZh5z1Nb914ueSg80YrC77FZS8qnKTc=; b=Dhw1tnQX6YcdSkwbNVg2YZzzMv2rT/meM7/3pW9aq9Q6q85MuUkx+vv+RQZiFnm1D2 QKnqEUqosdW0S05h98fWiIfYIpoTiUqOdMDWJ7wsF574dvz4QJx5aUQyQmmpFK6dSEHk RII/FOWnTFki4zEm3tTbNY5euTUQQWJ0lZNWR478rdAMdOirxbBOqc2+echFtyWT8Ou1 TX5XZxo2CazB9O9mc/ZtwvxaSKQiGJIDQsQUXCA0IQ0rsgbkEInwhIcZcLdG4fP6nPdb LWEhOuujEcnJaGY/NgmGZXPLk872Ett575gGnO2nWzn1UoQHJk+fDQ1ToGHop6ATL3Eq pmGQ== X-Received: by 10.50.173.106 with SMTP id bj10mr35999553igc.13.1356977348112; Mon, 31 Dec 2012 10:09:08 -0800 (PST) Received: from pebble.twiddle.home.com (50-194-63-110-static.hfc.comcastbusiness.net. [50.194.63.110]) by mx.google.com with ESMTPS id fv6sm37791566igc.17.2012.12.31.10.09.07 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 31 Dec 2012 10:09:07 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Mon, 31 Dec 2012 10:09:04 -0800 Message-Id: <1356977344-3679-3-git-send-email-rth@twiddle.net> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1356977344-3679-1-git-send-email-rth@twiddle.net> References: <1356977344-3679-1-git-send-email-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 209.85.210.182 Cc: Blue Swirl Subject: [Qemu-devel] [PATCH 2/2] softfloat: Implement uint64_to_float128 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 Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- fpu/softfloat.c | 8 ++++++++ include/fpu/softfloat.h | 3 +++ 2 files changed, 11 insertions(+) diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 20b05d4..ac3d150 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -1339,6 +1339,14 @@ float128 int64_to_float128( int64 a STATUS_PARAM ) } +float128 uint64_to_float128(uint64 a STATUS_PARAM) +{ + if (a == 0) { + return float128_zero; + } + return normalizeRoundAndPackFloat128(0, 0x406E, a, 0 STATUS_VAR); +} + /*---------------------------------------------------------------------------- | Returns the result of converting the single-precision floating-point value | `a' to the 32-bit two's complement integer format. The conversion is diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h index 0946f07..f3927e2 100644 --- a/include/fpu/softfloat.h +++ b/include/fpu/softfloat.h @@ -237,6 +237,7 @@ float64 int64_to_float64( int64 STATUS_PARAM ); float64 uint64_to_float64( uint64 STATUS_PARAM ); floatx80 int64_to_floatx80( int64 STATUS_PARAM ); float128 int64_to_float128( int64 STATUS_PARAM ); +float128 uint64_to_float128( uint64 STATUS_PARAM ); /*---------------------------------------------------------------------------- | Software half-precision conversion routines. @@ -630,6 +631,8 @@ INLINE int float128_is_any_nan(float128 a) ((a.low != 0) || ((a.high & 0xffffffffffffLL) != 0)); } +#define float128_zero make_float128(0, 0) + /*---------------------------------------------------------------------------- | The pattern for a default generated quadruple-precision NaN. *----------------------------------------------------------------------------*/