zixuan-wu added a comment.

In D115921#3201346 <https://reviews.llvm.org/D115921#3201346>, @luismarques 
wrote:

>> enable 'm' extension with passing mattr=+m After this patch, it would be 
>> -mattr=+m2p0.
>
> It's not obvious to me that support for extension versions should mean or has 
> to mean that we always explicitly specify the version. Why can't we keep 
> supporting the option `mattr=+m`, which would be mapped to `mattr=+m,+m2p0`, 
> or whatever the current default `m` version happens to be?

OK. I think default version mattr is acceptable. And then testcases change 
would be clean and simple.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D115921/new/

https://reviews.llvm.org/D115921

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