[FFmpeg-devel] [PATCH 2/4] huffyuvencdsp: Convert ff_diff_bytes_mmx to yasm

Henrik Gramner henrik at gramner.com
Mon Oct 19 23:21:23 CEST 2015


On Mon, Oct 19, 2015 at 10:00 PM, Timothy Gu <timothygu99 at gmail.com> wrote:
> +    mov              r6b, byte [src1q + iq]
> +    sub              r6b, byte [src2q + iq]
> +    mov byte [dstq + iq], r6b

Only r0b-r3b can be used for byte-sized instructions on x86-32.


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