From nobody Thu May 2 05:19:19 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (209.51.188.17 [209.51.188.17]) by mx.zohomail.com with SMTPS id 15493838407331000.5694318630782; Tue, 5 Feb 2019 08:24:00 -0800 (PST) Received: from localhost ([127.0.0.1]:34407 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gr3Vp-0002ae-9D for importer@patchew.org; Tue, 05 Feb 2019 11:23:53 -0500 Received: from eggs.gnu.org ([209.51.188.92]:49367) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gr3Uy-0002Ix-Mo for qemu-devel@nongnu.org; Tue, 05 Feb 2019 11:23:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gr3Uy-0000k0-4f for qemu-devel@nongnu.org; Tue, 05 Feb 2019 11:23:00 -0500 Received: from mx1.redhat.com ([209.132.183.28]:28069) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gr3Ux-0000jh-VS for qemu-devel@nongnu.org; Tue, 05 Feb 2019 11:23:00 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0E7A8BDFA; Tue, 5 Feb 2019 16:22:58 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-191.ams2.redhat.com [10.36.116.191]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6FB405BBB6; Tue, 5 Feb 2019 16:22:54 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Tue, 5 Feb 2019 17:22:53 +0100 Message-Id: <20190205162253.9155-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Tue, 05 Feb 2019 16:22:58 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v1] softfloat: add float128_is_{normal, denormal} X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Aurelien Jarno , David Hildenbrand Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Needed on s390x, to test for the data class of a number. So it will gain soon a user. Signed-off-by: David Hildenbrand --- include/fpu/softfloat.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/fpu/softfloat.h b/include/fpu/softfloat.h index 38a5e99cf3..10c31557b4 100644 --- a/include/fpu/softfloat.h +++ b/include/fpu/softfloat.h @@ -940,6 +940,16 @@ static inline int float128_is_zero_or_denormal(float12= 8 a) return (a.high & 0x7fff000000000000LL) =3D=3D 0; } =20 +static inline bool float128_is_normal(float128 a) +{ + return ((a.high + (1ULL << 47)) & -1ULL >> 1) >=3D 1ULL << 48; +} + +static inline bool float128_is_denormal(float128 a) +{ + return float128_is_zero_or_denormal(a) && !float128_is_zero(a); +} + static inline int float128_is_any_nan(float128 a) { return ((a.high >> 48) & 0x7fff) =3D=3D 0x7fff && --=20 2.17.2