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Re: [Qemu-devel] [PATCH v2 1/3] target-ppc: simplify NaN propagation for
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From: |
Nathan Froyd |
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Subject: |
Re: [Qemu-devel] [PATCH v2 1/3] target-ppc: simplify NaN propagation for vector functions |
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Date: |
Wed, 20 Apr 2011 05:55:33 -0700 |
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User-agent: |
Mutt/1.5.17+20080114 (2008-01-14) |
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