[llvm-dev] NDS32 V3 backend

[Hal Finkel via llvm-dev]

Hi Shiva,

Is there anything unusual, from LLVM's perspective, about the ISA? And 
higher-level design decisions you'd like to point out?

  -Hal

P.S. You don't need to cc llvm-commits on messages to llvm-dev.


On 01/13/2017 02:46 AM, Shiva Chen via llvm-dev wrote:
> Hi all,
>
> On behalf of Andes Technology Corp,
> I am proposing a backend targeting the NDS32 V3 ISA.
>
> NDS32 V3 ISA is a 16/32 bit mixed instruction set architecture that
> developed By AndesTech.
> You can find more information at the Andes website <http://www.andestech.com/>,
> and reference AndeStar ISA Manual (V3 ISA) from document download page
> <http://www.andestech.com/product.php?cls=9>.
>
> This is an experimental porting.
> Performance-wise, there is still lack target-specific optimization yet.
> We focus on the correctness at the begin and definitely need many reviewers help
> to point out the right direction.
>
> I split the patch like RISC-V did and hope it could be easier for reviewing.
> I have submitted a series of 22 patches implementing code generation
> and assembler support.
> Please let me know if you'd like to be CCed in or added as a reviewer
> to future patches.
>
> Please find the current set of patches for your review here:
> * <https://reviews.llvm.org/differential/?authors=shiva0217>
>
> Your reviews and comments are very important to us for making this
> contribution better.
>
> Thanks for your time to review our contribution.
>
>
> Best regards,
> Shiva Chen
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-- 
Hal Finkel
Lead, Compiler Technology and Programming Languages
Leadership Computing Facility
Argonne National Laboratory