From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40826) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fBeUL-0005Wx-7G for qemu-devel@nongnu.org; Thu, 26 Apr 2018 06:50:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fBeUI-0002vs-4x for qemu-devel@nongnu.org; Thu, 26 Apr 2018 06:50:57 -0400 Received: from indium.canonical.com ([91.189.90.7]:60814) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fBeUH-0002vY-US for qemu-devel@nongnu.org; Thu, 26 Apr 2018 06:50:54 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1fBeUF-0004Rc-HW for ; Thu, 26 Apr 2018 10:50:51 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 7832D2E8199 for ; Thu, 26 Apr 2018 10:50:48 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Thu, 26 Apr 2018 10:38:57 -0000 From: Thomas Huth <1761401@bugs.launchpad.net> Reply-To: Bug 1761401 <1761401@bugs.launchpad.net> Sender: bounces@canonical.com References: <152291524524.10021.7220810119975025094.malonedeb@soybean.canonical.com> Message-Id: <152473913939.21665.1252505239958606906.launchpad@soybean.canonical.com> Errors-To: bounces@canonical.com Subject: [Qemu-devel] [Bug 1761401] Re: ARM/Neon: vcvt rounding error List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org ** Changed in: qemu Status: Fix Committed =3D> Fix Released -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1761401 Title: ARM/Neon: vcvt rounding error Status in QEMU: Fix Released Bug description: Hello, While using QEMU commit 47d3b60858d90ac8a0cc3a72af7f95c96781125a (March 28, 2018), I've noticed failures in one of the GCC ARM/Neon tests. The test passes on hardware, and with QEMU-2.11.0, so it looks like a recent regression. The test builds a vector of 4 float32 with "125.9" as value, then convert= s them to 4 uint32_t. The expected result is 125, but we get 126 instead. Maybe it's just a matter of default rounding mode? To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1761401/+subscriptions