[FFmpeg-devel] [PATCH 0/3] showcqt x86 optimization using intrinsic

Muhammad Faiz mfcc64 at gmail.com
Thu Mar 10 11:08:28 CET 2016


On Thu, Mar 10, 2016 at 5:01 PM, Hendrik Leppkes <h.leppkes at gmail.com> wrote:
> On Thu, Mar 10, 2016 at 10:53 AM, Muhammad Faiz <mfcc64 at gmail.com> wrote:
>> I use intrinsic because writing asm using nasm or inline asm
>> is difficult task for me.
>>
>
> We have intentionally avoided intrinsics so far, because the result is
> extremely compiler dependent, and I don't think we should just start

What does the result means. Code correctness or performance?

> adding them now without proper consensus amongst all developers.
> It would be much better to have everything in YASM/NASM code to avoid
> any and all problems with compilers doing bad things.
>


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