[cfe-dev] When to use '-mcpu' versus '-march'

[陳韋任 via cfe-dev]

I guess Clang command line options tend to be compatible with GCC.
What GCC says about those options?

2018-03-14 22:48 GMT+08:00 ORiordan, Martin via cfe-dev
<cfe-dev at lists.llvm.org>:
> Hi CFE Devs,
>
>
>
> For out-of-tree target developers, what is the best practice advice for when
> to use ‘-mcpu’ and when to use ‘-march’ to identify variants or various
> generations of a target?
>
>
>
> Thanks,
>
>
>
>             MartinO
>
>
>
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-- 
Wei-Ren Chen (陳韋任)
Homepage: https://people.cs.nctu.edu.tw/~chenwj