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Re: [Qemu-devel] [PATCH v3 15/16] target-m68k: add more FPU instructions
From: |
Andreas Schwab |
Subject: |
Re: [Qemu-devel] [PATCH v3 15/16] target-m68k: add more FPU instructions |
Date: |
Fri, 17 Feb 2017 10:06:20 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) |
On Feb 17 2017, Richard Henderson <address@hidden> wrote:
> On 02/16/2017 09:18 PM, Andreas Schwab wrote:
>> There is no guarantee that the host long double has the same range and
>> precision as floatx80.
>
> Indeed not. However, do you have another plan for implementing the
> trancendentals? I'm quite happy using the host long double libm as an
> estimate. Which is better than at least BasiliskII, which uses the host
> double.
In ARAnyM, I implemented a software emulation using mpfr (but it is
still incomplete in many ways). I don't know if something like this
would be an option for qemu.
Andreas.
--
Andreas Schwab, address@hidden
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
- Re: [Qemu-devel] [PATCH v3 11/16] target-m68k: add fmovecr, (continued)
- [Qemu-devel] [PATCH v3 12/16] target-m68k: add fscale, fgetman, fgetexp and fmod, Laurent Vivier, 2017/02/06
- [Qemu-devel] [PATCH v3 05/16] target-m68k: use floatx80 internally, Laurent Vivier, 2017/02/06
- [Qemu-devel] [PATCH v3 16/16] target-m68k: add fsincos, Laurent Vivier, 2017/02/06
- [Qemu-devel] [PATCH v3 15/16] target-m68k: add more FPU instructions, Laurent Vivier, 2017/02/06
[Qemu-devel] [PATCH v3 13/16] target-m68k: add fsglmul and fsgldiv, Laurent Vivier, 2017/02/06
[Qemu-devel] [PATCH v3 14/16] target-m68k: add explicit single and double precision operations, Laurent Vivier, 2017/02/06
[Qemu-devel] [PATCH v3 07/16] target-m68k: manage FPU exceptions, Laurent Vivier, 2017/02/06
[Qemu-devel] [PATCH v3 10/16] target-m68k: add fscc., Laurent Vivier, 2017/02/06
Re: [Qemu-devel] [PATCH v3 00/16] target-m68k: implement 680x0 FPU, no-reply, 2017/02/06