On 2017-02-09 14:33:55 +0200, Martin Storsjö wrote:
> This matches the order they are in the 16 bpp version.
>
> There they are in this order, to make sure we access them in the
> same order they are declared, easing loading only half of the
> coefficients at a time.
>
> This makes the 8 bpp version match the 16 bpp version better.
> ---
> libavcodec/arm/vp9itxfm_neon.S | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/libavcodec/arm/vp9itxfm_neon.S b/libavcodec/arm/vp9itxfm_neon.S
> index f74d542..c8eeb76 100644
> --- a/libavcodec/arm/vp9itxfm_neon.S
> +++ b/libavcodec/arm/vp9itxfm_neon.S
> @@ -37,8 +37,8 @@ idct_coeffs:
> endconst
>
> const iadst16_coeffs, align=4
> - .short 16364, 804, 15893, 3981, 14811, 7005, 13160, 9760
> - .short 11003, 12140, 8423, 14053, 5520, 15426, 2404, 16207
> + .short 16364, 804, 15893, 3981, 11003, 12140, 8423, 14053
> + .short 14811, 7005, 13160, 9760, 5520, 15426, 2404, 16207
> endconst
>
> @ Do four 4x4 transposes, using q registers for the subtransposes that don't
> @@ -672,19 +672,19 @@ function iadst16
> vld1.16 {q0-q1}, [r12,:128]
>
> mbutterfly_l q3, q2, d31, d16, d0[1], d0[0] @ q3 = t1, q2 =
> t0
> - mbutterfly_l q5, q4, d23, d24, d2[1], d2[0] @ q5 = t9, q4 =
> t8
> + mbutterfly_l q5, q4, d23, d24, d1[1], d1[0] @ q5 = t9, q4 =
> t8
> butterfly_n d31, d24, q3, q5, q6, q5 @ d31 = t1a, d24 =
> t9a
> mbutterfly_l q7, q6, d29, d18, d0[3], d0[2] @ q7 = t3, q6 =
> t2
> butterfly_n d16, d23, q2, q4, q3, q4 @ d16 = t0a, d23 =
> t8a
>
> - mbutterfly_l q3, q2, d21, d26, d2[3], d2[2] @ q3 = t11, q2 =
> t10
> + mbutterfly_l q3, q2, d21, d26, d1[3], d1[2] @ q3 = t11, q2 =
> t10
> butterfly_n d29, d26, q7, q3, q4, q3 @ d29 = t3a, d26 =
> t11a
> - mbutterfly_l q5, q4, d27, d20, d1[1], d1[0] @ q5 = t5, q4 =
> t4
> + mbutterfly_l q5, q4, d27, d20, d2[1], d2[0] @ q5 = t5, q4 =
> t4
> butterfly_n d18, d21, q6, q2, q3, q2 @ d18 = t2a, d21 =
> t10a
>
> mbutterfly_l q7, q6, d19, d28, d3[1], d3[0] @ q7 = t13, q6 =
> t12
> butterfly_n d20, d28, q5, q7, q2, q7 @ d20 = t5a, d28 =
> t13a
> - mbutterfly_l q3, q2, d25, d22, d1[3], d1[2] @ q3 = t7, q2 =
> t6
> + mbutterfly_l q3, q2, d25, d22, d2[3], d2[2] @ q3 = t7, q2 =
> t6
> butterfly_n d27, d19, q4, q6, q5, q6 @ d27 = t4a, d19 =
> t12a
>
> mbutterfly_l q5, q4, d17, d30, d3[3], d3[2] @ q5 = t15, q4 =
> t14
ok
Janne
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