How to build gcc with AVX512?

[Cameron Fletcher (CF)]

On 14/11/19 1:41 pm, Stefan Ring wrote:
> On Thu, Nov 14, 2019 at 6:31 AM Cameron Fletcher (CF)
> <circumflex@disroot.org> wrote:
>>
>> I am trying to build gcc 8.3 with using --with-fpmath=avx but it only builds gcc with AVX1.
>>
>> Can someone help me on how to build gcc with avx512 support?
> 
> Do you mean you want a compiler that understands the avx512
> instruction set and can generate code for it?
> 
Yes. I have a cascade lake xeon on which I am building gcc.


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CF