From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39571) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ceT3U-0003Mw-V2 for qemu-devel@nongnu.org; Thu, 16 Feb 2017 15:53:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ceT3U-0002tr-Ap for qemu-devel@nongnu.org; Thu, 16 Feb 2017 15:53:33 -0500 Sender: Richard Henderson References: <1487140636-19955-1-git-send-email-bharata@linux.vnet.ibm.com> <44595100-389c-18ee-6355-2d1355577187@twiddle.net> <20170216024126.GA17196@in.ibm.com> From: Richard Henderson Message-ID: Date: Fri, 17 Feb 2017 07:53:20 +1100 MIME-Version: 1.0 In-Reply-To: <20170216024126.GA17196@in.ibm.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] target-ppc: Add quad precision muladd instructions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: bharata@linux.vnet.ibm.com Cc: qemu-devel@nongnu.org, qemu-ppc@nongnu.org, nikunj@linux.vnet.ibm.com, david@gibson.dropbear.id.au On 02/16/2017 01:41 PM, Bharata B Rao wrote: > For some reason float128_mul implements > multipliction via multiplication and addition (mul128To256 & add128). There > is no equivalent to this in float64_muladd. Yes, I don't understand that myself. It really appears to be a bug. r~