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Re: [Qemu-devel] [PATCH] target-ppc: Add quad precision muladd instructi

From: Bharata B Rao
Subject: Re: [Qemu-devel] [PATCH] target-ppc: Add quad precision muladd instructions
Date: Tue, 22 Sep 2020 14:52:20 +0530

On Tue, Sep 22, 2020 at 10:04:53AM +0200, David Hildenbrand wrote:
> Hi guys,
> I just stumbled over
> https://lore.kernel.org/qemu-devel/1487140636-19955-1-git-send-email-bharata@linux.vnet.ibm.com/
> while looking for the state of float128_muladd(), as I need that for
> s390x as well.
> @Bharata, did you manage to implement a prototype? Looking into
> float128_mul() makes my head spin.

I did try but couldn't figure out a way to implement some of the
dependent functions. Hence we still don't have quad-precision
multiply-add/sub instructions in ppc.


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