From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:33090) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QCWwU-0004p6-3O for qemu-devel@nongnu.org; Wed, 20 Apr 2011 08:55:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QCWwT-0000BW-85 for qemu-devel@nongnu.org; Wed, 20 Apr 2011 08:55:38 -0400 Received: from mail.codesourcery.com ([38.113.113.100]:53487) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QCWwT-0000B2-0A for qemu-devel@nongnu.org; Wed, 20 Apr 2011 08:55:37 -0400 Date: Wed, 20 Apr 2011 05:55:33 -0700 From: Nathan Froyd Message-ID: <20110420125532.GL23480@codesourcery.com> References: <1303299154-14373-1-git-send-email-aurelien@aurel32.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: Re: [Qemu-devel] [PATCH v2 1/3] target-ppc: simplify NaN propagation for vector functions List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Maydell Cc: qemu-devel@nongnu.org, Aurelien Jarno , Alexander Graf On Wed, Apr 20, 2011 at 01:04:48PM +0100, Peter Maydell wrote: > I need to add ARM support for fused multiply-accumulate (vfma,vfms), > so perhaps in the long run it would be better to make them softfloat > primitives? (they are after all in the new IEEE spec, so they're in > softfloat's domain in some sense.) That would move the 'propagate one > of 3 NaNs' logic into softfloat. +1 to implementing fma in softfloat. -Nathan