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From: Peter Maydell <peter.maydell@linaro.org>
To: G 3 <programmingkidx@gmail.com>
Cc: Eric Blake <eblake@redhat.com>,
	"list@suse.de:PowerPC list:PowerPC" <qemu-ppc@nongnu.org>,
	qemu-devel qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] How to add my implementation of the fmadds instruction to QEMU
Date: Tue, 27 Sep 2016 09:58:02 -0700	[thread overview]
Message-ID: <CAFEAcA82dQbjKKrbYyp09wGkbTORvoHC1TqGfTjFFu-v8znuLw@mail.gmail.com> (raw)
In-Reply-To: <73DBF468-DE5E-4EF0-A54E-91AD38C74C1D@gmail.com>

On 27 September 2016 at 09:51, G 3 <programmingkidx@gmail.com> wrote:
> The problem with your reasoning is you assume this instruction has to be
> 100% correctly implemented. That every single "corner-case" has to be
> accounted for.

For upstream QEMU we've already made this design decision --
emulation accuracy comes first, and speed is secondary.
That's why we implement this the way we do.

thanks
-- PMM

  reply	other threads:[~2016-09-27 16:58 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-27  1:05 [Qemu-devel] How to add my implementation of the fmadds instruction to QEMU G 3
2016-09-27  3:41 ` [Qemu-devel] [Qemu-ppc] " David Gibson
2016-09-27 11:43 ` [Qemu-devel] " Peter Maydell
2016-09-27 14:33   ` G 3
2016-09-27 15:21     ` Peter Maydell
2016-09-27 16:16     ` Eric Blake
2016-09-27 16:51       ` G 3
2016-09-27 16:58         ` Peter Maydell [this message]
2016-09-29  4:17           ` [Qemu-devel] [Qemu-ppc] " David Gibson
2016-09-29 15:20             ` Programmingkid
2016-09-29 18:19               ` Alex Bennée
2016-09-29 21:52                 ` Programmingkid
2016-09-29 22:36                   ` Alex Bennée
2016-09-29 22:39                     ` Programmingkid
2016-09-29 15:41             ` Peter Maydell
2016-09-29 16:55               ` Programmingkid
2016-09-30  0:39                 ` David Gibson
2016-09-30  0:44                   ` Programmingkid

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