Re: What CPU extensions can we assume are available by arch?

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* Kevin Kofler:

> Jun Aruga wrote:
>> simde is a header files only library. It's not a binary.
>
> Then it is inherently unsuitable for automatic runtime selection, and
> all the runtime selection still has to be done in the client program.
>
> GCC requires you to compile for separate vector instruction sets in
> separate compilation units. A header-only library cannot possibly do
> that for you.

In general, that is not true.  You can use the target function attribute
and function multiversioning instead in many cases.

Thanks,
Florian
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