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Re: [Qemu-riscv] [Qemu-devel] RISC-V: Vector && DSP Extension

From: LIU ZhiWei
Subject: Re: [Qemu-riscv] [Qemu-devel] RISC-V: Vector && DSP Extension
Date: Sat, 10 Aug 2019 06:55:20 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0

On 8/9/19 6:54 PM, Alistair Francis wrote:
On Thu, Aug 8, 2019 at 2:52 AM liuzhiwei <address@hidden> wrote:
Hi all,

    My workmate  and I have been working on Vector & Dsp extension, and
I'd like to share develop status  with folks.

    The spec references for  Vector extension is riscv-v-spec-0.7.1, and
riscv-p-spec-0.5 for DSP extension. The code of vector extension is
ready and under testing,  the first patch will be sent about two weeks
later. After that we will forward working on DSP extension, and send the
first patch in middle  October.
What code are you talking about? Is this QEMU code?
Hi Alistair,

It's the QEMU code I have been working on these days, which implements Vector extension. It is under testing,
and will be sent later.

     Could the maintainers  tell me whether the specs referenced are
appropriate? Is anyone working on these extensions?  I'd like to get
your status, and maybe discuss questions and work togather.
Just use the latest (master) from the ISA spec git repo.
I will follow your advice.Thanks for your attention to this matter.

Best Regards,


I don't know anyone doing vector work for QEMU. It would be very
useful, but everyone is busy with something at the moment


Best Regards

LIU Zhiwei


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