[FFmpeg-devel] [PATCH] h274: remove optimization pragma

[Jan Poonthong]

I didn't really understand what you meant. So I should install nasm and run
./configure or just ./configure --disable-x86asm?

On Thu, Aug 26, 2021 at 2:24 AM Lynne <dev at lynne.ee> wrote:

> This results in warnings on compilers which don't support it,
> objections were raised during the review process about it but went
> unnoticed,
> and the speed benefit is highly compiler and version specific, and
> also not very critical.
>
> We generally hand-write assembly to optimize loops like that, rather
> than use compiler magic, and for 40% best case scenario, it's simply
> not worth it.
>
> Plus, tree vectorization is still problematic with GCC and disabled by
> default
> for a good reason, so enabling it locally is sketchy.
>
> Patch attached.
>
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