From: "罗勇刚(Yonggang Luo)" <luoyonggang@gmail.com>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-ppc@nongnu.org, qemu-level <qemu-devel@nongnu.org>
Subject: Re: ppc/fpu_helper.c
Date: Sun, 14 Nov 2021 18:15:22 +0800 [thread overview]
Message-ID: <CAE2XoE8sNeMqx7xMVzArVzyU_n-G4-ZXh15gMMnf3PbmfcebXA@mail.gmail.com> (raw)
In-Reply-To: <77cac06d-f68f-ec30-5c7e-0d32a49a162d@linaro.org>
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On Sun, Nov 14, 2021 at 5:07 PM Richard Henderson <
richard.henderson@linaro.org> wrote:
>
> On 11/13/21 11:07 AM, 罗勇刚(Yonggang Luo) wrote:
> > I've seen nothing in fpu_helper.c to update
> > the fpscr to FP_FR,
> > that is there is no code with `fpscr |= FP_FR`,
> > is that valid for PowerPC? or it's just because this is hard
> > to implement and then the FP_FR are always not set for fpscr
>
> It is unimplemented, yes. I think that no one has spent the time; I
don't think that it
> should be hard, necessarily.
Thanks, I also have a question, where is the complete PowerPC floating
point instrunctions tests case?
I wanna improve the performance of powerpc floating point calculation and
don't lost the accuracy of it
So I need a complete testsuite for it.
>
>
> r~
--
此致
礼
罗勇刚
Yours
sincerely,
Yonggang Luo
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next prev parent reply other threads:[~2021-11-14 10:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-13 10:07 ppc/fpu_helper.c 罗勇刚(Yonggang Luo)
2021-11-14 9:07 ` ppc/fpu_helper.c Richard Henderson
2021-11-14 10:15 ` 罗勇刚(Yonggang Luo) [this message]
2021-11-16 12:36 ` ppc/fpu_helper.c Matheus K. Ferst
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