[llvm-dev] [RFC] Lanai backend

[Rafael Espíndola via llvm-dev]

Do you MC support?

Cheers,
Rafael
On Feb 9, 2016 1:12 PM, "Jacques Pienaar via llvm-dev" <
llvm-dev at lists.llvm.org> wrote:

>
>
> On Tue, Feb 9, 2016 at 10:05 AM, Chandler Carruth <chandlerc at google.com>
> wrote:
>
>> On Tue, Feb 9, 2016 at 9:58 AM Hal Finkel via llvm-dev <
>> llvm-dev at lists.llvm.org> wrote:
>>
>>> ----- Original Message -----
>>> > From: "Jacques Pienaar via llvm-dev" <llvm-dev at lists.llvm.org>
>>> > To: llvm-dev at lists.llvm.org
>>> > Sent: Tuesday, February 9, 2016 11:40:21 AM
>>> > Subject: [llvm-dev] [RFC] Lanai backend
>>>
>>> > Hi all,
>>>
>>> Hi Jacques,
>>>
>>> > We would like to contribute a new backend for the Lanai processor
>>>
>>> I suppose I can guess from your e-mail address who "we" are?
>>>
>>
>> Yep!
>>
>>
>>>
>>> > (derived from the processor described in [1]).
>>> > Lanai is a simple in-order 32-bit processor with:
>>>
>>> Can you say a few words about what this is, in what hardware it appears,
>>> and how it can be used? Is this the Myricom processor? What version(s)?
>>
>>
>> This is internal hardware for us, so there's not a lot we can share, and
>> you can't really grab a version of the hardware. If that's a problem for
>> the community, I completely understand.
>>
>> Mostly, I wanted to offer to upstream this because it seems likely about
>> the same utility as the AMDGPU backend for folks without an AMDGPU, or the
>> XCore backend, etc. It's small, and we're happy maintaining it and taking
>> on any of the effort around it. We're also happy with the usual policy of
>> if the maintainers stop showing up, the backend goes away.
>>
>> But we're working on the backend a bunch, and it didn't make sense to
>> keep it walled off. Especially if there is anything that can be reused in
>> other backends and/or if there is any common infrastructure we need, this
>> makes it easy to test.
>>
>> Still, totally up to the community if they want this. =]
>>
>> Aside from the Clang/LLVM support, what other software, drivers, etc.
>>> would be needed to make use of this support? What versions of that software?
>>>
>>
>> This is a question for Jacques, I'll let him fill in the details.
>>
>
> Aside from Clang/LLVM support the only other software we use are linker
> support in binutils. We have not submitted those yet but it is based on the
> previous binutils used (https://github.com/myri/lanai-binutils) but
> targeting ELF instead of COFF.
>
>
>>
>> -Chandler
>>
>
>
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