From: Nathan Froyd <froydnj@codesourcery.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-devel@nongnu.org, Aurelien Jarno <aurelien@aurel32.net>,
Alexander Graf <agraf@suse.de>
Subject: Re: [Qemu-devel] [PATCH v2 1/3] target-ppc: simplify NaN propagation for vector functions
Date: Wed, 20 Apr 2011 05:55:33 -0700 [thread overview]
Message-ID: <20110420125532.GL23480@codesourcery.com> (raw)
In-Reply-To: <BANLkTimXV6F+qYbQd8bTpv_fd9GnzQTjjg@mail.gmail.com>
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
prev parent reply other threads:[~2011-04-20 12:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-20 11:32 [Qemu-devel] [PATCH v2 1/3] target-ppc: simplify NaN propagation for vector functions Aurelien Jarno
2011-04-20 11:32 ` [Qemu-devel] [PATCH v2 2/3] target-ppc: use softfloat min/max functions Aurelien Jarno
2011-04-20 11:32 ` [Qemu-devel] [PATCH v2 3/3] target-ppc: remove old CONFIG_SOFTFLOAT #ifdef Aurelien Jarno
2011-04-20 12:04 ` [Qemu-devel] [PATCH v2 1/3] target-ppc: simplify NaN propagation for vector functions Peter Maydell
2011-04-20 12:55 ` Nathan Froyd [this message]
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