From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40344) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bRoQn-0001o1-QE for qemu-devel@nongnu.org; Mon, 25 Jul 2016 18:33:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bRoQi-0000R6-LR for qemu-devel@nongnu.org; Mon, 25 Jul 2016 18:33:00 -0400 Message-ID: <1469483433.5978.59.camel@kernel.crashing.org> From: Benjamin Herrenschmidt Date: Tue, 26 Jul 2016 07:50:33 +1000 In-Reply-To: References: <1469439886.5978.31.camel@kernel.crashing.org> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] ppc: TCG and FP exceptions, is it right ? List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Tristan Gingold Cc: qemu-devel@nongnu.org, qemu-ppc@nongnu.org, David Gibson , Paul Mackerras , Anton Blanchard , Fabien Chouteau , Richard Henderson On Mon, 2016-07-25 at 17:12 +0200, Tristan Gingold wrote: > >=20 > > The code as writte will take the exception before the FPR is > > updated, > > I *think*, or am I missing something here=C2=A0=C2=A0? >=20 > This looks like an oversight. In our tests, we don't read the fpr. BTW. Do you happen to have some tests I could run to verify that my changes don't break your code ? Cheers, Ben.