[FFmpeg-devel] [PATCH 2/3] x86/ac3dsp: add ff_float_to_fixed24_avx2()

[James Almer]

On 11/23/2023 3:56 AM, Kieran Kunhya wrote:
> On Wed, 22 Nov 2023, 19:49 James Almer, <jamrial at gmail.com> wrote:
> 
>> Signed-off-by: James Almer <jamrial at gmail.com>
>> ---
>>   libavcodec/ac3dsp.h          |  4 ++--
>>   libavcodec/ac3enc_template.c |  2 +-
>>   libavcodec/x86/ac3dsp.asm    | 28 ++++++++++++++++++++++++++--
>>   libavcodec/x86/ac3dsp_init.c |  4 ++++
>>   4 files changed, 33 insertions(+), 5 deletions(-)
>>
> 
> I think this is AVX, I might be wrong but I don't see any AVX2.
> 
> Kieran

movdqa wiht ymm is avx2. I could change it to movaps, but technically 
the registers contain floats and i don't know if any old AVX cpu has 
penalties for changing domains.