From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33023) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g8SVh-0001Wu-Fk for qemu-devel@nongnu.org; Fri, 05 Oct 2018 11:59:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g8SVb-0007X2-JY for qemu-devel@nongnu.org; Fri, 05 Oct 2018 11:59:23 -0400 Received: from mail-wm1-x342.google.com ([2a00:1450:4864:20::342]:50384) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1g8SVb-0007WA-3m for qemu-devel@nongnu.org; Fri, 05 Oct 2018 11:59:19 -0400 Received: by mail-wm1-x342.google.com with SMTP id s12-v6so2350851wmc.0 for ; Fri, 05 Oct 2018 08:59:18 -0700 (PDT) References: <20181004175700.20847-1-richard.henderson@linaro.org> From: Alex =?utf-8?Q?Benn=C3=A9e?= In-reply-to: <20181004175700.20847-1-richard.henderson@linaro.org> Date: Fri, 05 Oct 2018 16:59:16 +0100 Message-ID: <87lg7cqt9n.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH v3 0/4] softfloat: Fix division List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Richard Henderson Cc: qemu-devel@nongnu.org, cota@braap.org Richard Henderson writes: > Changes from v2: > * Add shift128Left. I had been using shortShift128Left, > with a shift of 64, which lead to undefined behaviour. > Which I suspect is exactly the Heisenbug Alex saw. No weirdness this time around > > I did keep the R-b tags I had already applied. You already have mine but this version also: Tested-by: Alex Benn=C3=A9e > > > r~ > > > Richard Henderson (4): > softfloat: Fix division > softfloat: Specialize udiv_qrnnd for x86_64 > softfloat: Specialize udiv_qrnnd for s390x > softfloat: Specialize udiv_qrnnd for ppc64 > > include/fpu/softfloat-macros.h | 62 +++++++++++++++++++++++++++++----- > fpu/softfloat.c | 35 ++++++++++++++----- > 2 files changed, 80 insertions(+), 17 deletions(-) -- Alex Benn=C3=A9e