[FFmpeg-devel] [PATCH] vp9: fix overwrite in ff_vp9_ipred_dr_16x16_16_avx2.

James Almer jamrial at gmail.com
Wed Jun 14 18:34:13 EEST 2017


On 6/14/2017 9:46 AM, Ronald S. Bultje wrote:
> Fixes trac issue 6459.
> ---
>  libavcodec/x86/vp9intrapred_16bpp.asm | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/libavcodec/x86/vp9intrapred_16bpp.asm b/libavcodec/x86/vp9intrapred_16bpp.asm
> index 764f704..c651c08 100644
> --- a/libavcodec/x86/vp9intrapred_16bpp.asm
> +++ b/libavcodec/x86/vp9intrapred_16bpp.asm
> @@ -1221,7 +1221,6 @@ cglobal vp9_ipred_dr_16x16_16, 4, 5, 6, dst, stride, l, a
>      mova      [dstq+strideq*0], m4                     ; 0
>      sub                   dstq, strideq

If you're not using dst anymore, then you can remove this one as well.

>      mova     [dst3q+strideq*4], m5                     ; 7
> -    mova     [ dstq+strideq*0], m1                     ; -1
>      RET
>  %endif
>  
> 



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