[FFmpeg-user] compile fails using NDK r19 when arch is aarch64

[Moritz Barsnick]

On Sun, Feb 10, 2019 at 23:58:53 +0200, Juha Heinanen wrote:
> CC	libavcodec/aarch64/vorbisdsp_init.o
> AS	libavcodec/aarch64/vorbisdsp_neon.o
> CC	libavcodec/aarch64/vp8dsp_init_aarch64.o
> AS	libavcodec/aarch64/vp8dsp_neon.o
> libavcodec/aarch64/vp8dsp_neon.S:34:35: error: invalid operand for instruction
>         smull v26.4s, v1.4h, v4.4h[0]
>                                   ^
> libavcodec/aarch64/vp8dsp_neon.S:35:35: error: invalid operand for instruction
>         smull v27.4s, v3.4h, v4.4h[0]
>                                   ^
> libavcodec/aarch64/vp8dsp_neon.S:36:37: error: invalid operand for instruction
>         sqdmulh v20.4h, v1.4h, v4.4h[1]
> ...
> 
> Any ideas what might cause the issue?

No, but it sounds like a known issue, with a suggested workaround here:
http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2019-February/239921.html

Moritz