On Sun, Feb 25, 2024 at 5:42 PM Ronald S. Bultje <rsbul...@gmail.com> wrote: > + mova m13, [pw_8] > + paddw m10, m12, m12 > + paddw m12, m10 ; 9 * (q0 - p0) - 3 * ( q1 - p1 ) > paddw m12, m13; + 8
Memory operand > + paddw m10, m13, m13 > + paddw m13, m10 ; abs(9 * (q0 - p0) - 3 * ( q1 - p1 )) > + paddw m13, [pw_8] [...] > + paddw m13, m12, m12 > + paddw m13, m12 ; 3*abs(m12) > + paddw m13, [pw_8] Another minor improvement would be to reorder the adds like (x + x) + (x + 8) instead of ((x + x) + x) + 8 to allow for more instruction-level parallelism. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
