[openssl-dev] Stitched AES-NI AES-GCM code & AVX2

[Brian Smith]

Andy Polyakov <appro at openssl.org> wrote:
>> But, I think the stitched AES-NI AES-GCM code requires AVX2, not just
>> AVX.
>
> No, it doesn't. It requires exactly AVX+MOVBE.

I see. I was confused because the code says:

     if ($avx>1) {{{

I had been thinking the whole time that "$avx > 1" means that AVX2 is required.

Thanks for the correction.

Cheers,
Brian