From: Bharata B Rao <bharata@linux.ibm.com>
To: David Hildenbrand <david@redhat.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
qemu-s390x <qemu-s390x@nongnu.org>,
nikunj.dadhania@gmail.com, qemu-ppc <qemu-ppc@nongnu.org>,
"Bharata B Rao" <bharata@linux.vnet.ibm.com>,
"David Gibson" <david@gibson.dropbear.id.au>,
"Alex Bennée" <alex.bennee@linaro.org>,
"Richard Henderson" <rth@twiddle.net>
Subject: Re: [Qemu-devel] [PATCH] target-ppc: Add quad precision muladd instructions
Date: Tue, 22 Sep 2020 14:52:20 +0530 [thread overview]
Message-ID: <20200922092220.GA4843@in.ibm.com> (raw)
In-Reply-To: <46207f02-b133-86f4-0e83-3cf9e8486ef7@redhat.com>
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.
Regards,
Bharata.
next prev parent reply other threads:[~2020-09-22 9:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-22 8:04 [Qemu-devel] [PATCH] target-ppc: Add quad precision muladd instructions David Hildenbrand
2020-09-22 9:22 ` Bharata B Rao [this message]
-- strict thread matches above, loose matches on Subject: below --
2017-02-15 6:37 Bharata B Rao
2017-02-15 22:13 ` Richard Henderson
2017-02-16 2:41 ` Bharata B Rao
2017-02-16 20:53 ` Richard Henderson
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