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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /media/ffvpx/libavcodec/aarch64/vp8dsp_neon.S | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | media/ffvpx/libavcodec/aarch64/vp8dsp_neon.S | 1790 |
1 files changed, 1790 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/aarch64/vp8dsp_neon.S b/media/ffvpx/libavcodec/aarch64/vp8dsp_neon.S new file mode 100644 index 0000000000..4bbf16d1a4 --- /dev/null +++ b/media/ffvpx/libavcodec/aarch64/vp8dsp_neon.S @@ -0,0 +1,1790 @@ +/* + * VP8 NEON optimisations + * + * Copyright (c) 2010 Rob Clark <rob@ti.com> + * Copyright (c) 2011 Mans Rullgard <mans@mansr.com> + * Copyright (c) 2018 Magnus Röös <mla2.roos@gmail.com> + * Copyright (c) 2019 Martin Storsjo <martin@martin.st> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/aarch64/asm.S" +#include "neon.S" + +function ff_vp8_luma_dc_wht_neon, export=1 + ld1 {v0.4h - v3.4h}, [x1] + movi v30.8h, #0 + + add v4.4h, v0.4h, v3.4h + add v6.4h, v1.4h, v2.4h + st1 {v30.8h}, [x1], #16 + sub v7.4h, v1.4h, v2.4h + sub v5.4h, v0.4h, v3.4h + st1 {v30.8h}, [x1] + add v0.4h, v4.4h, v6.4h + add v1.4h, v5.4h, v7.4h + sub v2.4h, v4.4h, v6.4h + sub v3.4h, v5.4h, v7.4h + + movi v16.4h, #3 + + transpose_4x4H v0, v1, v2, v3, v4, v5, v6, v7 + + add v0.4h, v0.4h, v16.4h + + add v4.4h, v0.4h, v3.4h + add v6.4h, v1.4h, v2.4h + sub v7.4h, v1.4h, v2.4h + sub v5.4h, v0.4h, v3.4h + add v0.4h, v4.4h, v6.4h + add v1.4h, v5.4h, v7.4h + sub v2.4h, v4.4h, v6.4h + sub v3.4h, v5.4h, v7.4h + + sshr v0.4h, v0.4h, #3 + sshr v1.4h, v1.4h, #3 + sshr v2.4h, v2.4h, #3 + sshr v3.4h, v3.4h, #3 + + mov x3, #32 + st1 {v0.h}[0], [x0], x3 + st1 {v1.h}[0], [x0], x3 + st1 {v2.h}[0], [x0], x3 + st1 {v3.h}[0], [x0], x3 + st1 {v0.h}[1], [x0], x3 + st1 {v1.h}[1], [x0], x3 + st1 {v2.h}[1], [x0], x3 + st1 {v3.h}[1], [x0], x3 + st1 {v0.h}[2], [x0], x3 + st1 {v1.h}[2], [x0], x3 + st1 {v2.h}[2], [x0], x3 + st1 {v3.h}[2], [x0], x3 + st1 {v0.h}[3], [x0], x3 + st1 {v1.h}[3], [x0], x3 + st1 {v2.h}[3], [x0], x3 + st1 {v3.h}[3], [x0], x3 + + ret +endfunc + +function ff_vp8_idct_add_neon, export=1 + ld1 {v0.8b - v3.8b}, [x1] + mov w4, #20091 + movk w4, #35468/2, lsl #16 + dup v4.2s, w4 + + smull v26.4s, v1.4h, v4.h[0] + smull v27.4s, v3.4h, v4.h[0] + sqdmulh v20.4h, v1.4h, v4.h[1] + sqdmulh v23.4h, v3.4h, v4.h[1] + shrn v21.4h, v26.4s, #16 + shrn v22.4h, v27.4s, #16 + add v21.4h, v21.4h, v1.4h + add v22.4h, v22.4h, v3.4h + + add v16.4h, v0.4h, v2.4h + sub v17.4h, v0.4h, v2.4h + + add v18.4h, v21.4h, v23.4h + sub v19.4h, v20.4h, v22.4h + + add v0.4h, v16.4h, v18.4h + add v1.4h, v17.4h, v19.4h + sub v3.4h, v16.4h, v18.4h + sub v2.4h, v17.4h, v19.4h + + transpose_4x4H v0, v1, v2, v3, v24, v5, v6, v7 + + movi v29.8h, #0 + smull v26.4s, v1.4h, v4.h[0] + st1 {v29.8h}, [x1], #16 + smull v27.4s, v3.4h, v4.h[0] + st1 {v29.16b}, [x1] + sqdmulh v21.4h, v1.4h, v4.h[1] + sqdmulh v23.4h, v3.4h, v4.h[1] + shrn v20.4h, v26.4s, #16 + shrn v22.4h, v27.4s, #16 + add v20.4h, v20.4h, v1.4h + add v22.4h, v22.4h, v3.4h + add v16.4h, v0.4h, v2.4h + sub v17.4h, v0.4h, v2.4h + + add v18.4h, v20.4h, v23.4h + ld1 {v24.s}[0], [x0], x2 + sub v19.4h, v21.4h, v22.4h + ld1 {v25.s}[0], [x0], x2 + add v0.4h, v16.4h, v18.4h + add v1.4h, v17.4h, v19.4h + ld1 {v26.s}[0], [x0], x2 + sub v3.4h, v16.4h, v18.4h + sub v2.4h, v17.4h, v19.4h + ld1 {v27.s}[0], [x0], x2 + srshr v0.4h, v0.4h, #3 + srshr v1.4h, v1.4h, #3 + srshr v2.4h, v2.4h, #3 + srshr v3.4h, v3.4h, #3 + + sub x0, x0, x2, lsl #2 + + transpose_4x4H v0, v1, v2, v3, v5, v6, v7, v16 + + uaddw v0.8h, v0.8h, v24.8b + uaddw v1.8h, v1.8h, v25.8b + uaddw v2.8h, v2.8h, v26.8b + uaddw v3.8h, v3.8h, v27.8b + sqxtun v0.8b, v0.8h + sqxtun v1.8b, v1.8h + sqxtun v2.8b, v2.8h + sqxtun v3.8b, v3.8h + + st1 {v0.s}[0], [x0], x2 + st1 {v1.s}[0], [x0], x2 + st1 {v2.s}[0], [x0], x2 + st1 {v3.s}[0], [x0], x2 + + ret +endfunc + +function ff_vp8_idct_dc_add4uv_neon, export=1 + movi v0.4h, #0 + mov x3, #32 + ld1r {v16.4h}, [x1] + st1 {v0.h}[0], [x1], x3 + ld1r {v17.4h}, [x1] + st1 {v0.h}[0], [x1], x3 + ld1r {v18.4h}, [x1] + st1 {v0.h}[0], [x1], x3 + ld1r {v19.4h}, [x1] + st1 {v0.h}[0], [x1], x3 + ins v16.d[1], v17.d[0] + ins v18.d[1], v19.d[0] + mov x3, x0 + srshr v16.8h, v16.8h, #3 // dc >>= 3 + ld1 {v0.8b}, [x0], x2 + srshr v18.8h, v18.8h, #3 + ld1 {v1.8b}, [x0], x2 + uaddw v20.8h, v16.8h, v0.8b + ld1 {v2.8b}, [x0], x2 + uaddw v0.8h, v16.8h, v1.8b + ld1 {v3.8b}, [x0], x2 + uaddw v22.8h, v16.8h, v2.8b + ld1 {v4.8b}, [x0], x2 + uaddw v2.8h, v16.8h, v3.8b + ld1 {v5.8b}, [x0], x2 + uaddw v24.8h, v18.8h, v4.8b + ld1 {v6.8b}, [x0], x2 + uaddw v4.8h, v18.8h, v5.8b + ld1 {v7.8b}, [x0], x2 + uaddw v26.8h, v18.8h, v6.8b + sqxtun v20.8b, v20.8h + uaddw v6.8h, v18.8h, v7.8b + sqxtun v21.8b, v0.8h + sqxtun v22.8b, v22.8h + st1 {v20.8b}, [x3], x2 + sqxtun v23.8b, v2.8h + st1 {v21.8b}, [x3], x2 + sqxtun v24.8b, v24.8h + st1 {v22.8b}, [x3], x2 + sqxtun v25.8b, v4.8h + st1 {v23.8b}, [x3], x2 + sqxtun v26.8b, v26.8h + st1 {v24.8b}, [x3], x2 + sqxtun v27.8b, v6.8h + st1 {v25.8b}, [x3], x2 + st1 {v26.8b}, [x3], x2 + st1 {v27.8b}, [x3], x2 + + ret +endfunc + +function ff_vp8_idct_dc_add4y_neon, export=1 + movi v0.16b, #0 + mov x3, #32 + ld1r {v16.4h}, [x1] + st1 {v0.h}[0], [x1], x3 + ld1r {v17.4h}, [x1] + st1 {v0.h}[0], [x1], x3 + zip1 v16.2d, v16.2d, v17.2d + ld1r {v18.4h}, [x1] + st1 {v0.h}[0], [x1], x3 + ld1r {v19.4h}, [x1] + st1 {v0.h}[0], [x1], x3 + zip1 v18.2d, v18.2d, v19.2d + srshr v16.8h, v16.8h, #3 // dc >>= 3 + ld1 {v0.16b}, [x0], x2 + srshr v18.8h, v18.8h, #3 + ld1 {v1.16b}, [x0], x2 + uaddw v20.8h, v16.8h, v0.8b + ld1 {v2.16b}, [x0], x2 + uaddw2 v0.8h, v18.8h, v0.16b + ld1 {v3.16b}, [x0], x2 + uaddw v21.8h, v16.8h, v1.8b + uaddw2 v1.8h, v18.8h, v1.16b + uaddw v22.8h, v16.8h, v2.8b + uaddw2 v2.8h, v18.8h, v2.16b + uaddw v23.8h, v16.8h, v3.8b + uaddw2 v3.8h, v18.8h, v3.16b + sub x0, x0, x2, lsl #2 + sqxtun v20.8b, v20.8h + sqxtun2 v20.16b, v0.8h + sqxtun v21.8b, v21.8h + sqxtun2 v21.16b, v1.8h + sqxtun v22.8b, v22.8h + st1 {v20.16b}, [x0], x2 + sqxtun2 v22.16b, v2.8h + st1 {v21.16b}, [x0], x2 + sqxtun v23.8b, v23.8h + st1 {v22.16b}, [x0], x2 + sqxtun2 v23.16b, v3.8h + st1 {v23.16b}, [x0], x2 + + ret +endfunc + +function ff_vp8_idct_dc_add_neon, export=1 + mov w3, #0 + ld1r {v2.8h}, [x1] + strh w3, [x1] + srshr v2.8h, v2.8h, #3 + ld1 {v0.s}[0], [x0], x2 + ld1 {v0.s}[1], [x0], x2 + uaddw v3.8h, v2.8h, v0.8b + ld1 {v1.s}[0], [x0], x2 + ld1 {v1.s}[1], [x0], x2 + uaddw v4.8h, v2.8h, v1.8b + sqxtun v0.8b, v3.8h + sqxtun v1.8b, v4.8h + sub x0, x0, x2, lsl #2 + st1 {v0.s}[0], [x0], x2 + st1 {v0.s}[1], [x0], x2 + st1 {v1.s}[0], [x0], x2 + st1 {v1.s}[1], [x0], x2 + ret +endfunc + +// Register layout: +// P3..Q3 -> v0..v7 +// flim_E -> v22 +// flim_I -> v23 +// hev_thresh -> x5 +// +.macro vp8_loop_filter, inner=0, simple=0, hev_thresh + .if \simple + uabd v17.16b, v3.16b, v4.16b // abs(P0-Q0) + uabd v23.16b, v2.16b, v5.16b // abs(P1-Q1) + uqadd v17.16b, v17.16b, v17.16b // abs(P0-Q0) * 2 + ushr v18.16b, v23.16b, #1 // abs(P1-Q1) / 2 + uqadd v19.16b, v17.16b, v18.16b // (abs(P0-Q0)*2) + (abs(P1-Q1)/2) + movi v21.16b, #0x80 + cmhs v16.16b, v22.16b, v19.16b // (abs(P0-Q0)*2) + (abs(P1-Q1)/2) <= flim + .else + // calculate hev and normal_limit: + uabd v20.16b, v2.16b, v3.16b // abs(P1-P0) + uabd v21.16b, v5.16b, v4.16b // abs(Q1-Q0) + uabd v18.16b, v0.16b, v1.16b // abs(P3-P2) + uabd v19.16b, v1.16b, v2.16b // abs(P2-P1) + cmhs v16.16b, v23.16b, v20.16b // abs(P1-P0) <= flim_I + cmhs v17.16b, v23.16b, v21.16b // abs(Q1-Q0) <= flim_I + cmhs v18.16b, v23.16b, v18.16b // abs(P3-P2) <= flim_I + cmhs v19.16b, v23.16b, v19.16b // abs(P2-P1) <= flim_I + and v16.16b, v17.16b, v16.16b + uabd v17.16b, v7.16b, v6.16b // abs(Q3-Q2) + and v16.16b, v16.16b, v19.16b + uabd v19.16b, v6.16b, v5.16b // abs(Q2-Q1) + and v16.16b, v16.16b, v18.16b + cmhs v18.16b, v23.16b, v17.16b // abs(Q3-Q2) <= flim_I + cmhs v19.16b, v23.16b, v19.16b // abs(Q2-Q1) <= flim_I + uabd v17.16b, v3.16b, v4.16b // abs(P0-Q0) + uabd v23.16b, v2.16b, v5.16b // abs(P1-Q1) + and v16.16b, v16.16b, v18.16b + uqadd v17.16b, v17.16b, v17.16b // abs(P0-Q0) * 2 + and v16.16b, v16.16b, v19.16b + ushr v18.16b, v23.16b, #1 // abs(P1-Q1) / 2 + dup v23.16b, \hev_thresh // hev_thresh + uqadd v19.16b, v17.16b, v18.16b // (abs(P0-Q0)*2) + (abs(P1-Q1)/2) + cmhi v20.16b, v20.16b, v23.16b // abs(P1-P0) > hev_thresh + cmhs v19.16b, v22.16b, v19.16b // (abs(P0-Q0)*2) + (abs(P1-Q1)/2) <= flim_E + cmhi v22.16b, v21.16b, v23.16b // abs(Q1-Q0) > hev_thresh + and v16.16b, v16.16b, v19.16b + movi v21.16b, #0x80 + orr v17.16b, v20.16b, v22.16b + .endif + + // at this point: + // v16: normal_limit + // v17: hev + + // convert to signed value: + eor v3.16b, v3.16b, v21.16b // PS0 = P0 ^ 0x80 + eor v4.16b, v4.16b, v21.16b // QS0 = Q0 ^ 0x80 + + movi v20.8h, #3 + ssubl v18.8h, v4.8b, v3.8b // QS0 - PS0 + ssubl2 v19.8h, v4.16b, v3.16b // (widened to 16bit) + eor v2.16b, v2.16b, v21.16b // PS1 = P1 ^ 0x80 + eor v5.16b, v5.16b, v21.16b // QS1 = Q1 ^ 0x80 + mul v18.8h, v18.8h, v20.8h // w = 3 * (QS0 - PS0) + mul v19.8h, v19.8h, v20.8h + + sqsub v20.16b, v2.16b, v5.16b // clamp(PS1-QS1) + movi v22.16b, #4 + movi v23.16b, #3 + .if \inner + and v20.16b, v20.16b, v17.16b // if(hev) w += clamp(PS1-QS1) + .endif + saddw v18.8h, v18.8h, v20.8b // w += clamp(PS1-QS1) + saddw2 v19.8h, v19.8h, v20.16b + sqxtn v18.8b, v18.8h // narrow result back into v18 + sqxtn2 v18.16b, v19.8h + .if !\inner && !\simple + eor v1.16b, v1.16b, v21.16b // PS2 = P2 ^ 0x80 + eor v6.16b, v6.16b, v21.16b // QS2 = Q2 ^ 0x80 + .endif + and v18.16b, v18.16b, v16.16b // w &= normal_limit + + // registers used at this point.. + // v0 -> P3 (don't corrupt) + // v1-v6 -> PS2-QS2 + // v7 -> Q3 (don't corrupt) + // v17 -> hev + // v18 -> w + // v21 -> #0x80 + // v22 -> #4 + // v23 -> #3 + // v16, v19, v29 -> unused + // + // filter_common: is4tap==1 + // c1 = clamp(w + 4) >> 3; + // c2 = clamp(w + 3) >> 3; + // Q0 = s2u(QS0 - c1); + // P0 = s2u(PS0 + c2); + + .if \simple + sqadd v19.16b, v18.16b, v22.16b // c1 = clamp((w&hev)+4) + sqadd v20.16b, v18.16b, v23.16b // c2 = clamp((w&hev)+3) + sshr v19.16b, v19.16b, #3 // c1 >>= 3 + sshr v20.16b, v20.16b, #3 // c2 >>= 3 + sqsub v4.16b, v4.16b, v19.16b // QS0 = clamp(QS0-c1) + sqadd v3.16b, v3.16b, v20.16b // PS0 = clamp(PS0+c2) + eor v4.16b, v4.16b, v21.16b // Q0 = QS0 ^ 0x80 + eor v3.16b, v3.16b, v21.16b // P0 = PS0 ^ 0x80 + eor v5.16b, v5.16b, v21.16b // Q1 = QS1 ^ 0x80 + eor v2.16b, v2.16b, v21.16b // P1 = PS1 ^ 0x80 + .elseif \inner + // the !is4tap case of filter_common, only used for inner blocks + // c3 = ((c1&~hev) + 1) >> 1; + // Q1 = s2u(QS1 - c3); + // P1 = s2u(PS1 + c3); + sqadd v19.16b, v18.16b, v22.16b // c1 = clamp((w&hev)+4) + sqadd v20.16b, v18.16b, v23.16b // c2 = clamp((w&hev)+3) + sshr v19.16b, v19.16b, #3 // c1 >>= 3 + sshr v20.16b, v20.16b, #3 // c2 >>= 3 + sqsub v4.16b, v4.16b, v19.16b // QS0 = clamp(QS0-c1) + sqadd v3.16b, v3.16b, v20.16b // PS0 = clamp(PS0+c2) + bic v19.16b, v19.16b, v17.16b // c1 & ~hev + eor v4.16b, v4.16b, v21.16b // Q0 = QS0 ^ 0x80 + srshr v19.16b, v19.16b, #1 // c3 >>= 1 + eor v3.16b, v3.16b, v21.16b // P0 = PS0 ^ 0x80 + sqsub v5.16b, v5.16b, v19.16b // QS1 = clamp(QS1-c3) + sqadd v2.16b, v2.16b, v19.16b // PS1 = clamp(PS1+c3) + eor v5.16b, v5.16b, v21.16b // Q1 = QS1 ^ 0x80 + eor v2.16b, v2.16b, v21.16b // P1 = PS1 ^ 0x80 + .else + and v20.16b, v18.16b, v17.16b // w & hev + sqadd v19.16b, v20.16b, v22.16b // c1 = clamp((w&hev)+4) + sqadd v20.16b, v20.16b, v23.16b // c2 = clamp((w&hev)+3) + sshr v19.16b, v19.16b, #3 // c1 >>= 3 + sshr v20.16b, v20.16b, #3 // c2 >>= 3 + bic v18.16b, v18.16b, v17.16b // w &= ~hev + sqsub v4.16b, v4.16b, v19.16b // QS0 = clamp(QS0-c1) + sqadd v3.16b, v3.16b, v20.16b // PS0 = clamp(PS0+c2) + + // filter_mbedge: + // a = clamp((27*w + 63) >> 7); + // Q0 = s2u(QS0 - a); + // P0 = s2u(PS0 + a); + // a = clamp((18*w + 63) >> 7); + // Q1 = s2u(QS1 - a); + // P1 = s2u(PS1 + a); + // a = clamp((9*w + 63) >> 7); + // Q2 = s2u(QS2 - a); + // P2 = s2u(PS2 + a); + movi v17.8h, #63 + sshll v22.8h, v18.8b, #3 + sshll2 v23.8h, v18.16b, #3 + saddw v22.8h, v22.8h, v18.8b + saddw2 v23.8h, v23.8h, v18.16b + add v16.8h, v17.8h, v22.8h + add v17.8h, v17.8h, v23.8h // 9*w + 63 + add v19.8h, v16.8h, v22.8h + add v20.8h, v17.8h, v23.8h // 18*w + 63 + add v22.8h, v19.8h, v22.8h + add v23.8h, v20.8h, v23.8h // 27*w + 63 + sqshrn v16.8b, v16.8h, #7 + sqshrn2 v16.16b, v17.8h, #7 // clamp(( 9*w + 63)>>7) + sqshrn v19.8b, v19.8h, #7 + sqshrn2 v19.16b, v20.8h, #7 // clamp((18*w + 63)>>7) + sqshrn v22.8b, v22.8h, #7 + sqshrn2 v22.16b, v23.8h, #7 // clamp((27*w + 63)>>7) + sqadd v1.16b, v1.16b, v16.16b // PS2 = clamp(PS2+a) + sqsub v6.16b, v6.16b, v16.16b // QS2 = clamp(QS2-a) + sqadd v2.16b, v2.16b, v19.16b // PS1 = clamp(PS1+a) + sqsub v5.16b, v5.16b, v19.16b // QS1 = clamp(QS1-a) + sqadd v3.16b, v3.16b, v22.16b // PS0 = clamp(PS0+a) + sqsub v4.16b, v4.16b, v22.16b // QS0 = clamp(QS0-a) + eor v3.16b, v3.16b, v21.16b // P0 = PS0 ^ 0x80 + eor v4.16b, v4.16b, v21.16b // Q0 = QS0 ^ 0x80 + eor v2.16b, v2.16b, v21.16b // P1 = PS1 ^ 0x80 + eor v5.16b, v5.16b, v21.16b // Q1 = QS1 ^ 0x80 + eor v1.16b, v1.16b, v21.16b // P2 = PS2 ^ 0x80 + eor v6.16b, v6.16b, v21.16b // Q2 = QS2 ^ 0x80 + .endif +.endm + +.macro vp8_v_loop_filter16 name, inner=0, simple=0 +function ff_vp8_v_loop_filter16\name\()_neon, export=1 + sub x0, x0, x1, lsl #1+!\simple + + // Load pixels: + .if !\simple + ld1 {v0.16b}, [x0], x1 // P3 + ld1 {v1.16b}, [x0], x1 // P2 + .endif + ld1 {v2.16b}, [x0], x1 // P1 + ld1 {v3.16b}, [x0], x1 // P0 + ld1 {v4.16b}, [x0], x1 // Q0 + ld1 {v5.16b}, [x0], x1 // Q1 + .if !\simple + ld1 {v6.16b}, [x0], x1 // Q2 + ld1 {v7.16b}, [x0] // Q3 + dup v23.16b, w3 // flim_I + .endif + dup v22.16b, w2 // flim_E + + vp8_loop_filter inner=\inner, simple=\simple, hev_thresh=w4 + + // back up to P2: dst -= stride * 6 + sub x0, x0, x1, lsl #2 + .if !\simple + sub x0, x0, x1, lsl #1 + + // Store pixels: + st1 {v1.16b}, [x0], x1 // P2 + .endif + st1 {v2.16b}, [x0], x1 // P1 + st1 {v3.16b}, [x0], x1 // P0 + st1 {v4.16b}, [x0], x1 // Q0 + st1 {v5.16b}, [x0], x1 // Q1 + .if !\simple + st1 {v6.16b}, [x0] // Q2 + .endif + + ret +endfunc +.endm + +vp8_v_loop_filter16 +vp8_v_loop_filter16 _inner, inner=1 +vp8_v_loop_filter16 _simple, simple=1 + +.macro vp8_v_loop_filter8uv name, inner=0 +function ff_vp8_v_loop_filter8uv\name\()_neon, export=1 + sub x0, x0, x2, lsl #2 + sub x1, x1, x2, lsl #2 + // Load pixels: + ld1 {v0.d}[0], [x0], x2 // P3 + ld1 {v0.d}[1], [x1], x2 // P3 + ld1 {v1.d}[0], [x0], x2 // P2 + ld1 {v1.d}[1], [x1], x2 // P2 + ld1 {v2.d}[0], [x0], x2 // P1 + ld1 {v2.d}[1], [x1], x2 // P1 + ld1 {v3.d}[0], [x0], x2 // P0 + ld1 {v3.d}[1], [x1], x2 // P0 + ld1 {v4.d}[0], [x0], x2 // Q0 + ld1 {v4.d}[1], [x1], x2 // Q0 + ld1 {v5.d}[0], [x0], x2 // Q1 + ld1 {v5.d}[1], [x1], x2 // Q1 + ld1 {v6.d}[0], [x0], x2 // Q2 + ld1 {v6.d}[1], [x1], x2 // Q2 + ld1 {v7.d}[0], [x0] // Q3 + ld1 {v7.d}[1], [x1] // Q3 + + dup v22.16b, w3 // flim_E + dup v23.16b, w4 // flim_I + + vp8_loop_filter inner=\inner, hev_thresh=w5 + + // back up to P2: u,v -= stride * 6 + sub x0, x0, x2, lsl #2 + sub x1, x1, x2, lsl #2 + sub x0, x0, x2, lsl #1 + sub x1, x1, x2, lsl #1 + + // Store pixels: + + st1 {v1.d}[0], [x0], x2 // P2 + st1 {v1.d}[1], [x1], x2 // P2 + st1 {v2.d}[0], [x0], x2 // P1 + st1 {v2.d}[1], [x1], x2 // P1 + st1 {v3.d}[0], [x0], x2 // P0 + st1 {v3.d}[1], [x1], x2 // P0 + st1 {v4.d}[0], [x0], x2 // Q0 + st1 {v4.d}[1], [x1], x2 // Q0 + st1 {v5.d}[0], [x0], x2 // Q1 + st1 {v5.d}[1], [x1], x2 // Q1 + st1 {v6.d}[0], [x0] // Q2 + st1 {v6.d}[1], [x1] // Q2 + + ret +endfunc +.endm + +vp8_v_loop_filter8uv +vp8_v_loop_filter8uv _inner, inner=1 + +.macro vp8_h_loop_filter16 name, inner=0, simple=0 +function ff_vp8_h_loop_filter16\name\()_neon, export=1 + + sub x0, x0, #4 + // Load pixels: + ld1 {v0.d}[0], [x0], x1 + ld1 {v1.d}[0], [x0], x1 + ld1 {v2.d}[0], [x0], x1 + ld1 {v3.d}[0], [x0], x1 + ld1 {v4.d}[0], [x0], x1 + ld1 {v5.d}[0], [x0], x1 + ld1 {v6.d}[0], [x0], x1 + ld1 {v7.d}[0], [x0], x1 + ld1 {v0.d}[1], [x0], x1 + ld1 {v1.d}[1], [x0], x1 + ld1 {v2.d}[1], [x0], x1 + ld1 {v3.d}[1], [x0], x1 + ld1 {v4.d}[1], [x0], x1 + ld1 {v5.d}[1], [x0], x1 + ld1 {v6.d}[1], [x0], x1 + ld1 {v7.d}[1], [x0], x1 + + transpose_8x16B v0, v1, v2, v3, v4, v5, v6, v7, v30, v31 + + dup v22.16b, w2 // flim_E + .if !\simple + dup v23.16b, w3 // flim_I + .endif + + vp8_loop_filter inner=\inner, simple=\simple, hev_thresh=w4 + + sub x0, x0, x1, lsl #4 // backup 16 rows + + transpose_8x16B v0, v1, v2, v3, v4, v5, v6, v7, v30, v31 + + // Store pixels: + st1 {v0.d}[0], [x0], x1 + st1 {v1.d}[0], [x0], x1 + st1 {v2.d}[0], [x0], x1 + st1 {v3.d}[0], [x0], x1 + st1 {v4.d}[0], [x0], x1 + st1 {v5.d}[0], [x0], x1 + st1 {v6.d}[0], [x0], x1 + st1 {v7.d}[0], [x0], x1 + st1 {v0.d}[1], [x0], x1 + st1 {v1.d}[1], [x0], x1 + st1 {v2.d}[1], [x0], x1 + st1 {v3.d}[1], [x0], x1 + st1 {v4.d}[1], [x0], x1 + st1 {v5.d}[1], [x0], x1 + st1 {v6.d}[1], [x0], x1 + st1 {v7.d}[1], [x0] + + ret +endfunc +.endm + +vp8_h_loop_filter16 +vp8_h_loop_filter16 _inner, inner=1 +vp8_h_loop_filter16 _simple, simple=1 + +.macro vp8_h_loop_filter8uv name, inner=0 +function ff_vp8_h_loop_filter8uv\name\()_neon, export=1 + sub x0, x0, #4 + sub x1, x1, #4 + + // Load pixels: + ld1 {v0.d}[0], [x0], x2 // load u + ld1 {v0.d}[1], [x1], x2 // load v + ld1 {v1.d}[0], [x0], x2 + ld1 {v1.d}[1], [x1], x2 + ld1 {v2.d}[0], [x0], x2 + ld1 {v2.d}[1], [x1], x2 + ld1 {v3.d}[0], [x0], x2 + ld1 {v3.d}[1], [x1], x2 + ld1 {v4.d}[0], [x0], x2 + ld1 {v4.d}[1], [x1], x2 + ld1 {v5.d}[0], [x0], x2 + ld1 {v5.d}[1], [x1], x2 + ld1 {v6.d}[0], [x0], x2 + ld1 {v6.d}[1], [x1], x2 + ld1 {v7.d}[0], [x0], x2 + ld1 {v7.d}[1], [x1], x2 + + transpose_8x16B v0, v1, v2, v3, v4, v5, v6, v7, v30, v31 + + dup v22.16b, w3 // flim_E + dup v23.16b, w4 // flim_I + + vp8_loop_filter inner=\inner, hev_thresh=w5 + + sub x0, x0, x2, lsl #3 // backup u 8 rows + sub x1, x1, x2, lsl #3 // backup v 8 rows + + transpose_8x16B v0, v1, v2, v3, v4, v5, v6, v7, v30, v31 + + // Store pixels: + st1 {v0.d}[0], [x0], x2 // load u + st1 {v0.d}[1], [x1], x2 // load v + st1 {v1.d}[0], [x0], x2 + st1 {v1.d}[1], [x1], x2 + st1 {v2.d}[0], [x0], x2 + st1 {v2.d}[1], [x1], x2 + st1 {v3.d}[0], [x0], x2 + st1 {v3.d}[1], [x1], x2 + st1 {v4.d}[0], [x0], x2 + st1 {v4.d}[1], [x1], x2 + st1 {v5.d}[0], [x0], x2 + st1 {v5.d}[1], [x1], x2 + st1 {v6.d}[0], [x0], x2 + st1 {v6.d}[1], [x1], x2 + st1 {v7.d}[0], [x0] + st1 {v7.d}[1], [x1] + + ret + +endfunc +.endm + +vp8_h_loop_filter8uv +vp8_h_loop_filter8uv _inner, inner=1 + + +function ff_put_vp8_pixels16_neon, export=1 +1: + subs w4, w4, #4 + ld1 {v0.16b}, [x2], x3 + ld1 {v1.16b}, [x2], x3 + ld1 {v2.16b}, [x2], x3 + ld1 {v3.16b}, [x2], x3 + st1 {v0.16b}, [x0], x1 + st1 {v1.16b}, [x0], x1 + st1 {v2.16b}, [x0], x1 + st1 {v3.16b}, [x0], x1 + b.gt 1b + ret +endfunc + +function ff_put_vp8_pixels8_neon, export=1 +1: + subs w4, w4, #4 + ld1 {v0.8b}, [x2], x3 + ld1 {v0.d}[1], [x2], x3 + ld1 {v1.8b}, [x2], x3 + ld1 {v1.d}[1], [x2], x3 + st1 {v0.8b}, [x0], x1 + st1 {v0.d}[1], [x0], x1 + st1 {v1.8b}, [x0], x1 + st1 {v1.d}[1], [x0], x1 + b.gt 1b + ret +endfunc + +/* 4/6-tap 8th-pel MC */ + +.macro vp8_epel8_h6 d, s0, s1 + ext v22.8b, \s0\().8b, \s1\().8b, #1 + uxtl v18.8h, \s0\().8b + ext v23.8b, \s0\().8b, \s1\().8b, #2 + uxtl v19.8h, v22.8b + ext v24.8b, \s0\().8b, \s1\().8b, #3 + uxtl v21.8h, v23.8b + ext v25.8b, \s0\().8b, \s1\().8b, #4 + uxtl v22.8h, v24.8b + ext v26.8b, \s0\().8b, \s1\().8b, #5 + uxtl v25.8h, v25.8b + mul v21.8h, v21.8h, v0.h[2] + uxtl v26.8h, v26.8b + mul v22.8h, v22.8h, v0.h[3] + mls v21.8h, v19.8h, v0.h[1] + mls v22.8h, v25.8h, v0.h[4] + mla v21.8h, v18.8h, v0.h[0] + mla v22.8h, v26.8h, v0.h[5] + sqadd v22.8h, v21.8h, v22.8h + sqrshrun \d\().8b, v22.8h, #7 +.endm + +.macro vp8_epel16_h6 d0, v0, v1 + ext v22.16b, \v0\().16b, \v1\().16b, #3 + ext v23.16b, \v0\().16b, \v1\().16b, #4 + uxtl v19.8h, v22.8b + uxtl2 v22.8h, v22.16b + ext v3.16b, \v0\().16b, \v1\().16b, #2 + uxtl v20.8h, v23.8b + uxtl2 v23.8h, v23.16b + ext v16.16b, \v0\().16b, \v1\().16b, #1 + uxtl v18.8h, v3.8b + uxtl2 v3.8h, v3.16b + ext v2.16b, \v0\().16b, \v1\().16b, #5 + uxtl v21.8h, v2.8b + uxtl2 v2.8h, v2.16b + uxtl v17.8h, v16.8b + uxtl2 v16.8h, v16.16b + mul v19.8h, v19.8h, v0.h[3] + mul v18.8h, v18.8h, v0.h[2] + mul v3.8h, v3.8h, v0.h[2] + mul v22.8h, v22.8h, v0.h[3] + mls v19.8h, v20.8h, v0.h[4] + uxtl v20.8h, \v0\().8b + uxtl2 v1.8h, \v0\().16b + mls v18.8h, v17.8h, v0.h[1] + mls v3.8h, v16.8h, v0.h[1] + mls v22.8h, v23.8h, v0.h[4] + mla v18.8h, v20.8h, v0.h[0] + mla v19.8h, v21.8h, v0.h[5] + mla v3.8h, v1.8h, v0.h[0] + mla v22.8h, v2.8h, v0.h[5] + sqadd v19.8h, v18.8h, v19.8h + sqadd v22.8h, v3.8h, v22.8h + sqrshrun \d0\().8b, v19.8h, #7 + sqrshrun2 \d0\().16b, v22.8h, #7 +.endm + +.macro vp8_epel8_v6_y2 d0, d1, s0, s1, s2, s3, s4, s5, s6 + uxtl \s0\().8h, \s0\().8b + uxtl \s3\().8h, \s3\().8b + uxtl \s6\().8h, \s6\().8b + uxtl \s1\().8h, \s1\().8b + uxtl \s4\().8h, \s4\().8b + uxtl \s2\().8h, \s2\().8b + uxtl \s5\().8h, \s5\().8b + mul \s0\().8h, \s0\().8h, v0.h[0] + mul v31.8h , \s3\().8h, v0.h[3] + mul \s3\().8h, \s3\().8h, v0.h[2] + mul \s6\().8h, \s6\().8h, v0.h[5] + + mls \s0\().8h, \s1\().8h, v0.h[1] + mls v31.8h , \s4\().8h, v0.h[4] + mls \s3\().8h, \s2\().8h, v0.h[1] + mls \s6\().8h, \s5\().8h, v0.h[4] + + mla \s0\().8h, \s2\().8h, v0.h[2] + mla v31.8h , \s5\().8h, v0.h[5] + mla \s3\().8h, \s1\().8h, v0.h[0] + mla \s6\().8h, \s4\().8h, v0.h[3] + sqadd v31.8h , \s0\().8h, v31.8h + sqadd \s6\().8h, \s3\().8h, \s6\().8h + sqrshrun \d0\().8b, v31.8h, #7 + sqrshrun \d1\().8b, \s6\().8h, #7 +.endm + +.macro vp8_epel8_h4 d, v0, v1 + ext v22.8b, \v0\().8b, \v1\().8b, #1 + uxtl v19.8h, \v0\().8b + ext v23.8b, \v0\().8b, \v1\().8b, #2 + uxtl v20.8h, v22.8b + ext v25.8b, \v0\().8b, \v1\().8b, #3 + uxtl v22.8h, v23.8b + uxtl v25.8h, v25.8b + mul v20.8h, v20.8h, v0.h[2] + mul v22.8h, v22.8h, v0.h[3] + mls v20.8h, v19.8h, v0.h[1] + mls v22.8h, v25.8h, v0.h[4] + sqadd v22.8h, v20.8h, v22.8h + sqrshrun \d\().8b, v22.8h, #7 +.endm + +.macro vp8_epel8_v4_y2 d0, s0, s1, s2, s3, s4 + uxtl \s0\().8h, \s0\().8b + uxtl \s1\().8h, \s1\().8b + uxtl \s2\().8h, \s2\().8b + uxtl \s3\().8h, \s3\().8b + uxtl \s4\().8h, \s4\().8b + mul v21.8h, \s1\().8h, v0.h[2] + mul v23.8h, \s2\().8h, v0.h[3] + mul \s2\().8h, \s2\().8h, v0.h[2] + mul v22.8h, \s3\().8h, v0.h[3] + mls v21.8h, \s0\().8h, v0.h[1] + mls v23.8h, \s3\().8h, v0.h[4] + mls \s2\().8h, \s1\().8h, v0.h[1] + mls v22.8h, \s4\().8h, v0.h[4] + sqadd v21.8h, v21.8h, v23.8h + sqadd \s2\().8h, \s2\().8h, v22.8h + sqrshrun \d0\().8b, v21.8h, #7 + sqrshrun2 \d0\().16b, \s2\().8h, #7 +.endm + + +// note: worst case sum of all 6-tap filter values * 255 is 0x7f80 so 16 bit +// arithmetic can be used to apply filters +const subpel_filters, align=4 + .short 0, 6, 123, 12, 1, 0, 0, 0 + .short 2, 11, 108, 36, 8, 1, 0, 0 + .short 0, 9, 93, 50, 6, 0, 0, 0 + .short 3, 16, 77, 77, 16, 3, 0, 0 + .short 0, 6, 50, 93, 9, 0, 0, 0 + .short 1, 8, 36, 108, 11, 2, 0, 0 + .short 0, 1, 12, 123, 6, 0, 0, 0 +endconst + +function ff_put_vp8_epel16_v6_neon, export=1 + sub x2, x2, x3, lsl #1 + + sxtw x4, w4 + sxtw x6, w6 + movrel x17, subpel_filters, -16 + add x6, x17, x6, lsl #4 // y + ld1 {v0.8h}, [x6] +1: + ld1 {v1.1d - v2.1d}, [x2], x3 + ld1 {v3.1d - v4.1d}, [x2], x3 + ld1 {v16.1d - v17.1d}, [x2], x3 + ld1 {v18.1d - v19.1d}, [x2], x3 + ld1 {v20.1d - v21.1d}, [x2], x3 + ld1 {v22.1d - v23.1d}, [x2], x3 + ld1 {v24.1d - v25.1d}, [x2] + sub x2, x2, x3, lsl #2 + + vp8_epel8_v6_y2 v1, v3, v1, v3, v16, v18, v20, v22, v24 + vp8_epel8_v6_y2 v2, v4, v2, v4, v17, v19, v21, v23, v25 + + st1 {v1.1d - v2.1d}, [x0], x1 + st1 {v3.1d - v4.1d}, [x0], x1 + subs x4, x4, #2 + b.ne 1b + + ret +endfunc + +function ff_put_vp8_epel16_h6_neon, export=1 + sub x2, x2, #2 + sxtw x5, w5 // x + + // first pass (horizontal): + movrel x17, subpel_filters, -16 + add x5, x17, x5, lsl #4 // x + ld1 {v0.8h}, [x5] +1: + ld1 {v1.16b, v2.16b}, [x2], x3 + vp8_epel16_h6 v1, v1, v2 + st1 {v1.16b}, [x0], x1 + + subs w4, w4, #1 + b.ne 1b + ret +endfunc + + +function ff_put_vp8_epel16_h6v6_neon, export=1 + sub x2, x2, x3, lsl #1 + sub x2, x2, #2 + + // first pass (horizontal): + movrel x17, subpel_filters, -16 + sxtw x5, w5 // x + add x16, x17, x5, lsl #4 // x + sub sp, sp, #336+16 + ld1 {v0.8h}, [x16] + add x7, sp, #15 + sxtw x4, w4 + add x16, x4, #5 // h + bic x7, x7, #15 +1: + ld1 {v1.16b, v2.16b}, [x2], x3 + vp8_epel16_h6 v1, v1, v2 + st1 {v1.16b}, [x7], #16 + subs x16, x16, #1 + b.ne 1b + + + // second pass (vertical): + sxtw x6, w6 + add x6, x17, x6, lsl #4 // y + add x7, sp, #15 + ld1 {v0.8h}, [x6] + bic x7, x7, #15 +2: + ld1 {v1.8b - v4.8b}, [x7], #32 + ld1 {v16.8b - v19.8b}, [x7], #32 + ld1 {v20.8b - v23.8b}, [x7], #32 + ld1 {v24.8b - v25.8b}, [x7] + sub x7, x7, #64 + + vp8_epel8_v6_y2 v1, v3, v1, v3, v16, v18, v20, v22, v24 + vp8_epel8_v6_y2 v2, v4, v2, v4, v17, v19, v21, v23, v25 + trn1 v1.2d, v1.2d, v2.2d + trn1 v3.2d, v3.2d, v4.2d + + st1 {v1.16b}, [x0], x1 + st1 {v3.16b}, [x0], x1 + subs x4, x4, #2 + b.ne 2b + + add sp, sp, #336+16 + ret +endfunc + +function ff_put_vp8_epel8_v6_neon, export=1 + sub x2, x2, x3, lsl #1 + + movrel x7, subpel_filters, -16 + add x6, x7, w6, uxtw #4 + ld1 {v0.8h}, [x6] +1: + ld1 {v2.8b}, [x2], x3 + ld1 {v3.8b}, [x2], x3 + ld1 {v4.8b}, [x2], x3 + ld1 {v5.8b}, [x2], x3 + ld1 {v6.8b}, [x2], x3 + ld1 {v7.8b}, [x2], x3 + ld1 {v28.8b}, [x2] + + sub x2, x2, x3, lsl #2 + + vp8_epel8_v6_y2 v2, v3, v2, v3, v4, v5, v6, v7, v28 + + st1 {v2.8b}, [x0], x1 + st1 {v3.8b}, [x0], x1 + subs w4, w4, #2 + b.ne 1b + + ret +endfunc + +function ff_put_vp8_epel8_h6_neon, export=1 + sub x2, x2, #2 + + movrel x7, subpel_filters, -16 + add x5, x7, w5, uxtw #4 + ld1 {v0.8h}, [x5] +1: + ld1 {v2.8b, v3.8b}, [x2], x3 + + vp8_epel8_h6 v2, v2, v3 + + st1 {v2.8b}, [x0], x1 + subs w4, w4, #1 + b.ne 1b + + ret +endfunc + +function ff_put_vp8_epel8_h6v6_neon, export=1 + sub x2, x2, x3, lsl #1 + sub x2, x2, #2 + sxtw x4, w4 + + // first pass (horizontal): + movrel x17, subpel_filters, -16 + sxtw x5, w5 + add x5, x17, x5, lsl #4 // x + sub sp, sp, #168+16 + ld1 {v0.8h}, [x5] + add x7, sp, #15 + add x16, x4, #5 // h + bic x7, x7, #15 +1: + ld1 {v1.8b, v2.8b}, [x2], x3 + + vp8_epel8_h6 v1, v1, v2 + + st1 {v1.8b}, [x7], #8 + subs x16, x16, #1 + b.ne 1b + + // second pass (vertical): + sxtw x6, w6 + add x6, x17, x6, lsl #4 // y + add x7, sp, #15 + ld1 {v0.8h}, [x6] + bic x7, x7, #15 +2: + ld1 {v1.8b - v4.8b}, [x7], #32 + ld1 {v5.8b - v7.8b}, [x7] + + sub x7, x7, #16 + + vp8_epel8_v6_y2 v1, v2, v1, v2, v3, v4, v5, v6, v7 + + st1 {v1.8b}, [x0], x1 + st1 {v2.8b}, [x0], x1 + subs x4, x4, #2 + b.ne 2b + + add sp, sp, #168+16 + ret +endfunc + +function ff_put_vp8_epel8_v4_neon, export=1 + sub x2, x2, x3 + + movrel x7, subpel_filters, -16 + add x6, x7, w6, uxtw #4 + ld1 {v0.8h}, [x6] +1: + ld1 {v2.8b}, [x2], x3 + ld1 {v3.8b}, [x2], x3 + ld1 {v4.8b}, [x2], x3 + ld1 {v5.8b}, [x2], x3 + ld1 {v6.8b}, [x2] + sub x2, x2, x3, lsl #1 + + vp8_epel8_v4_y2 v2, v2, v3, v4, v5, v6 + + st1 {v2.d}[0], [x0], x1 + st1 {v2.d}[1], [x0], x1 + subs w4, w4, #2 + b.ne 1b + + ret +endfunc + +function ff_put_vp8_epel8_h4_neon, export=1 + sub x2, x2, #1 + + movrel x7, subpel_filters, -16 + add x5, x7, w5, uxtw #4 + ld1 {v0.8h}, [x5] +1: + ld1 {v2.8b,v3.8b}, [x2], x3 + + vp8_epel8_h4 v2, v2, v3 + + st1 {v2.8b}, [x0], x1 + subs w4, w4, #1 + b.ne 1b + + ret +endfunc + +function ff_put_vp8_epel8_h4v6_neon, export=1 + sub x2, x2, x3, lsl #1 + sub x2, x2, #1 + sxtw x4, w4 + + // first pass (horizontal): + movrel x17, subpel_filters, -16 + sxtw x5, w5 + add x5, x17, x5, lsl #4 // x + sub sp, sp, #168+16 + ld1 {v0.8h}, [x5] + add x7, sp, #15 + add x16, x4, #5 // h + bic x7, x7, #15 +1: + ld1 {v1.8b, v2.8b}, [x2], x3 + + vp8_epel8_h4 v1, v1, v2 + + st1 {v1.8b}, [x7], #8 + subs x16, x16, #1 + b.ne 1b + + // second pass (vertical): + sxtw x6, w6 + add x6, x17, x6, lsl #4 // y + add x7, sp, #15 + ld1 {v0.8h}, [x6] + bic x7, x7, #15 +2: + ld1 {v1.8b - v4.8b}, [x7], #32 + ld1 {v5.8b - v7.8b}, [x7] + + sub x7, x7, #16 + + vp8_epel8_v6_y2 v1, v2, v1, v2, v3, v4, v5, v6, v7 + + st1 {v1.8b}, [x0], x1 + st1 {v2.8b}, [x0], x1 + subs x4, x4, #2 + b.ne 2b + + add sp, sp, #168+16 + ret +endfunc + +function ff_put_vp8_epel8_h4v4_neon, export=1 + sub x2, x2, x3 + sub x2, x2, #1 + sxtw x4, w4 + + + // first pass (horizontal): + movrel x17, subpel_filters, -16 + sxtw x5, w5 + add x5, x17, x5, lsl #4 // x + sub sp, sp, #168+16 + ld1 {v0.8h}, [x5] + add x7, sp, #15 + add x16, x4, #3 // h + bic x7, x7, #15 +1: + ld1 {v1.8b, v2.8b}, [x2], x3 + + vp8_epel8_h4 v1, v1, v2 + + st1 {v1.8b}, [x7], #8 + subs x16, x16, #1 + b.ne 1b + + // second pass (vertical): + sxtw x6, w6 + add x6, x17, x6, lsl #4 // y + add x7, sp, #15 + ld1 {v0.8h}, [x6] + bic x7, x7, #15 +2: + ld1 {v1.8b - v2.8b}, [x7], #16 + ld1 {v3.8b - v5.8b}, [x7] + + vp8_epel8_v4_y2 v1, v1, v2, v3, v4, v5 + + st1 {v1.d}[0], [x0], x1 + st1 {v1.d}[1], [x0], x1 + subs x4, x4, #2 + b.ne 2b + + add sp, sp, #168+16 + ret +endfunc + +function ff_put_vp8_epel8_h6v4_neon, export=1 + sub x2, x2, x3 + sub x2, x2, #2 + sxtw x4, w4 + + + // first pass (horizontal): + movrel x17, subpel_filters, -16 + sxtw x5, w5 + add x5, x17, x5, lsl #4 // x + sub sp, sp, #168+16 + ld1 {v0.8h}, [x5] + add x7, sp, #15 + add x16, x4, #3 // h + bic x7, x7, #15 +1: + ld1 {v1.8b, v2.8b}, [x2], x3 + + vp8_epel8_h6 v1, v1, v2 + + st1 {v1.8b}, [x7], #8 + subs x16, x16, #1 + b.ne 1b + + // second pass (vertical): + sxtw x6, w6 + add x6, x17, x6, lsl #4 // y + add x7, sp, #15 + ld1 {v0.8h}, [x6] + bic x7, x7, #15 +2: + ld1 {v1.8b - v2.8b}, [x7], #16 + ld1 {v3.8b - v5.8b}, [x7] + + vp8_epel8_v4_y2 v1, v1, v2, v3, v4, v5 + + st1 {v1.d}[0], [x0], x1 + st1 {v1.d}[1], [x0], x1 + subs x4, x4, #2 + b.ne 2b + + add sp, sp, #168+16 + ret +endfunc + +function ff_put_vp8_epel4_v6_neon, export=1 + sub x2, x2, x3, lsl #1 + + movrel x7, subpel_filters, -16 + add x6, x7, w6, uxtw #4 + ld1 {v0.8h}, [x6] +1: + ld1r {v2.2s}, [x2], x3 + ld1r {v3.2s}, [x2], x3 + ld1r {v4.2s}, [x2], x3 + ld1r {v5.2s}, [x2], x3 + ld1r {v6.2s}, [x2], x3 + ld1r {v7.2s}, [x2], x3 + ld1r {v28.2s}, [x2] + sub x2, x2, x3, lsl #2 + ld1 {v2.s}[1], [x2], x3 + ld1 {v3.s}[1], [x2], x3 + ld1 {v4.s}[1], [x2], x3 + ld1 {v5.s}[1], [x2], x3 + ld1 {v6.s}[1], [x2], x3 + ld1 {v7.s}[1], [x2], x3 + ld1 {v28.s}[1], [x2] + sub x2, x2, x3, lsl #2 + + vp8_epel8_v6_y2 v2, v3, v2, v3, v4, v5, v6, v7, v28 + + st1 {v2.s}[0], [x0], x1 + st1 {v3.s}[0], [x0], x1 + st1 {v2.s}[1], [x0], x1 + st1 {v3.s}[1], [x0], x1 + subs w4, w4, #4 + b.ne 1b + + ret +endfunc + +function ff_put_vp8_epel4_h6_neon, export=1 + sub x2, x2, #2 + + movrel x7, subpel_filters, -16 + add x5, x7, w5, uxtw #4 + ld1 {v0.8h}, [x5] +1: + ld1 {v2.8b,v3.8b}, [x2], x3 + vp8_epel8_h6 v2, v2, v3 + st1 {v2.s}[0], [x0], x1 + subs w4, w4, #1 + b.ne 1b + + ret +endfunc + +function ff_put_vp8_epel4_h6v6_neon, export=1 + sub x2, x2, x3, lsl #1 + sub x2, x2, #2 + + movrel x7, subpel_filters, -16 + add x5, x7, w5, uxtw #4 + ld1 {v0.8h}, [x5] + + sub sp, sp, #52 + add w8, w4, #5 + mov x9, sp +1: + ld1 {v2.8b,v3.8b}, [x2], x3 + vp8_epel8_h6 v2, v2, v3 + st1 {v2.s}[0], [x9], #4 + subs w8, w8, #1 + b.ne 1b + + add x6, x7, w6, uxtw #4 + ld1 {v0.8h}, [x6] + mov x9, sp +2: + ld1 {v2.8b,v3.8b}, [x9], #16 + ld1 {v6.8b}, [x9], #8 + ld1r {v28.2s}, [x9] + sub x9, x9, #16 + ld1 {v4.8b,v5.8b}, [x9], #16 + ld1 {v7.8b}, [x9], #8 + ld1 {v28.s}[1], [x9] + sub x9, x9, #16 + trn1 v1.2s, v2.2s, v4.2s + trn2 v4.2s, v2.2s, v4.2s + trn1 v2.2s, v3.2s, v5.2s + trn2 v5.2s, v3.2s, v5.2s + trn1 v3.2s, v6.2s, v7.2s + trn2 v7.2s, v6.2s, v7.2s + vp8_epel8_v6_y2 v2, v3, v1, v4, v2, v5, v3, v7, v28 + st1 {v2.s}[0], [x0], x1 + st1 {v3.s}[0], [x0], x1 + st1 {v2.s}[1], [x0], x1 + st1 {v3.s}[1], [x0], x1 + subs w4, w4, #4 + b.ne 2b + + add sp, sp, #52 + ret +endfunc + +function ff_put_vp8_epel4_h4v6_neon, export=1 + sub x2, x2, x3, lsl #1 + sub x2, x2, #1 + + movrel x7, subpel_filters, -16 + add x5, x7, w5, uxtw #4 + ld1 {v0.8h}, [x5] + + sub sp, sp, #52 + add w8, w4, #5 + mov x9, sp +1: + ld1 {v2.8b}, [x2], x3 + vp8_epel8_h4 v2, v2, v2 + st1 {v2.s}[0], [x9], #4 + subs w8, w8, #1 + b.ne 1b + + add x6, x7, w6, uxtw #4 + ld1 {v0.8h}, [x6] + mov x9, sp +2: + ld1 {v2.8b,v3.8b}, [x9], #16 + ld1 {v6.8b}, [x9], #8 + ld1r {v28.2s}, [x9] + sub x9, x9, #16 + ld1 {v4.8b,v5.8b}, [x9], #16 + ld1 {v7.8b}, [x9], #8 + ld1 {v28.s}[1], [x9] + sub x9, x9, #16 + trn1 v1.2s, v2.2s, v4.2s + trn2 v4.2s, v2.2s, v4.2s + trn1 v2.2s, v3.2s, v5.2s + trn2 v5.2s, v3.2s, v5.2s + trn1 v3.2s, v6.2s, v7.2s + trn2 v7.2s, v6.2s, v7.2s + vp8_epel8_v6_y2 v2, v3, v1, v4, v2, v5, v3, v7, v28 + st1 {v2.s}[0], [x0], x1 + st1 {v3.s}[0], [x0], x1 + st1 {v2.s}[1], [x0], x1 + st1 {v3.s}[1], [x0], x1 + subs w4, w4, #4 + b.ne 2b + + add sp, sp, #52 + ret +endfunc + +function ff_put_vp8_epel4_h6v4_neon, export=1 + sub x2, x2, x3 + sub x2, x2, #2 + + movrel x7, subpel_filters, -16 + add x5, x7, w5, uxtw #4 + ld1 {v0.8h}, [x5] + + sub sp, sp, #44 + add w8, w4, #3 + mov x9, sp +1: + ld1 {v2.8b,v3.8b}, [x2], x3 + vp8_epel8_h6 v2, v2, v3 + st1 {v2.s}[0], [x9], #4 + subs w8, w8, #1 + b.ne 1b + + add x6, x7, w6, uxtw #4 + ld1 {v0.8h}, [x6] + mov x9, sp +2: + ld1 {v2.8b,v3.8b}, [x9], #16 + ld1r {v6.2s}, [x9] + sub x9, x9, #8 + ld1 {v4.8b,v5.8b}, [x9], #16 + ld1 {v6.s}[1], [x9] + sub x9, x9, #8 + trn1 v1.2s, v2.2s, v4.2s + trn2 v4.2s, v2.2s, v4.2s + trn1 v2.2s, v3.2s, v5.2s + trn2 v5.2s, v3.2s, v5.2s + vp8_epel8_v4_y2 v1, v1, v4, v2, v5, v6 + st1 {v1.s}[0], [x0], x1 + st1 {v1.s}[2], [x0], x1 + st1 {v1.s}[1], [x0], x1 + st1 {v1.s}[3], [x0], x1 + subs w4, w4, #4 + b.ne 2b + + add sp, sp, #44 + ret +endfunc + +function ff_put_vp8_epel4_h4_neon, export=1 + sub x2, x2, #1 + + movrel x7, subpel_filters, -16 + add x5, x7, w5, uxtw #4 + ld1 {v0.8h}, [x5] +1: + ld1 {v2.8b}, [x2], x3 + vp8_epel8_h4 v2, v2, v2 + st1 {v2.s}[0], [x0], x1 + subs w4, w4, #1 + b.ne 1b + + ret +endfunc + +function ff_put_vp8_epel4_v4_neon, export=1 + sub x2, x2, x3 + + movrel x7, subpel_filters, -16 + add x6, x7, w6, uxtw #4 + ld1 {v0.8h}, [x6] +1: + ld1r {v2.2s}, [x2], x3 + ld1r {v3.2s}, [x2], x3 + ld1r {v4.2s}, [x2], x3 + ld1r {v5.2s}, [x2], x3 + ld1r {v6.2s}, [x2] + sub x2, x2, x3, lsl #1 + ld1 {v2.s}[1], [x2], x3 + ld1 {v3.s}[1], [x2], x3 + ld1 {v4.s}[1], [x2], x3 + ld1 {v5.s}[1], [x2], x3 + ld1 {v6.s}[1], [x2] + sub x2, x2, x3, lsl #1 + + vp8_epel8_v4_y2 v2, v2, v3, v4, v5, v6 + + st1 {v2.s}[0], [x0], x1 + st1 {v2.s}[2], [x0], x1 + st1 {v2.s}[1], [x0], x1 + st1 {v2.s}[3], [x0], x1 + subs w4, w4, #4 + b.ne 1b + + ret +endfunc + +function ff_put_vp8_epel4_h4v4_neon, export=1 + sub x2, x2, x3 + sub x2, x2, #1 + + movrel x7, subpel_filters, -16 + add x5, x7, w5, uxtw #4 + ld1 {v0.8h}, [x5] + + sub sp, sp, #44 + add w8, w4, #3 + mov x9, sp +1: + ld1 {v2.8b}, [x2], x3 + vp8_epel8_h4 v2, v2, v3 + st1 {v2.s}[0], [x9], #4 + subs w8, w8, #1 + b.ne 1b + + add x6, x7, w6, uxtw #4 + ld1 {v0.8h}, [x6] + mov x9, sp +2: + ld1 {v2.8b,v3.8b}, [x9], #16 + ld1r {v6.2s}, [x9] + sub x9, x9, #8 + ld1 {v4.8b,v5.8b}, [x9], #16 + ld1 {v6.s}[1], [x9] + sub x9, x9, #8 + trn1 v1.2s, v2.2s, v4.2s + trn2 v4.2s, v2.2s, v4.2s + trn1 v2.2s, v3.2s, v5.2s + trn2 v5.2s, v3.2s, v5.2s + vp8_epel8_v4_y2 v1, v1, v4, v2, v5, v6 + st1 {v1.s}[0], [x0], x1 + st1 {v1.s}[2], [x0], x1 + st1 {v1.s}[1], [x0], x1 + st1 {v1.s}[3], [x0], x1 + subs w4, w4, #4 + b.ne 2b + + add sp, sp, #44 + ret +endfunc + +/* Bilinear MC */ + +function ff_put_vp8_bilin16_h_neon, export=1 + mov w7, #8 + dup v0.8b, w5 + sub w5, w7, w5 + dup v1.8b, w5 +1: + subs w4, w4, #2 + ld1 {v2.8b,v3.8b,v4.8b}, [x2], x3 + ext v5.8b, v3.8b, v4.8b, #1 + ext v4.8b, v2.8b, v3.8b, #1 + umull v16.8h, v2.8b, v1.8b + umlal v16.8h, v4.8b, v0.8b + ld1 {v18.8b,v19.8b,v20.8b}, [x2], x3 + umull v6.8h, v3.8b, v1.8b + umlal v6.8h, v5.8b, v0.8b + ext v21.8b, v19.8b, v20.8b, #1 + ext v20.8b, v18.8b, v19.8b, #1 + umull v22.8h, v18.8b, v1.8b + umlal v22.8h, v20.8b, v0.8b + umull v24.8h, v19.8b, v1.8b + umlal v24.8h, v21.8b, v0.8b + rshrn v4.8b, v16.8h, #3 + rshrn2 v4.16b, v6.8h, #3 + rshrn v6.8b, v22.8h, #3 + rshrn2 v6.16b, v24.8h, #3 + st1 {v4.16b}, [x0], x1 + st1 {v6.16b}, [x0], x1 + b.gt 1b + + ret +endfunc + +function ff_put_vp8_bilin16_v_neon, export=1 + mov w7, #8 + dup v0.16b, w6 + sub w6, w7, w6 + dup v1.16b, w6 + + ld1 {v2.16b}, [x2], x3 +1: + subs w4, w4, #2 + ld1 {v4.16b}, [x2], x3 + umull v6.8h, v2.8b, v1.8b + umlal v6.8h, v4.8b, v0.8b + umull2 v16.8h, v2.16b, v1.16b + umlal2 v16.8h, v4.16b, v0.16b + ld1 {v2.16b}, [x2], x3 + umull v18.8h, v4.8b, v1.8b + umlal v18.8h, v2.8b, v0.8b + umull2 v20.8h, v4.16b, v1.16b + umlal2 v20.8h, v2.16b, v0.16b + rshrn v4.8b, v6.8h, #3 + rshrn2 v4.16b, v16.8h, #3 + rshrn v6.8b, v18.8h, #3 + rshrn2 v6.16b, v20.8h, #3 + st1 {v4.16b}, [x0], x1 + st1 {v6.16b}, [x0], x1 + b.gt 1b + + ret +endfunc + +function ff_put_vp8_bilin16_hv_neon, export=1 + mov w7, #8 + dup v0.8b, w5 // mx + sub w5, w7, w5 + dup v1.8b, w5 + dup v2.16b, w6 // my + sub w6, w7, w6 + dup v3.16b, w6 + + ld1 {v4.8b,v5.8b,v6.8b}, [x2], x3 + + ext v7.8b, v5.8b, v6.8b, #1 + ext v6.8b, v4.8b, v5.8b, #1 + umull v16.8h, v4.8b, v1.8b + umlal v16.8h, v6.8b, v0.8b + umull v18.8h, v5.8b, v1.8b + umlal v18.8h, v7.8b, v0.8b + rshrn v4.8b, v16.8h, #3 + rshrn2 v4.16b, v18.8h, #3 +1: + subs w4, w4, #2 + ld1 {v18.8b,v19.8b,v20.8b}, [x2], x3 + ext v21.8b, v19.8b, v20.8b, #1 + ext v20.8b, v18.8b, v19.8b, #1 + umull v22.8h, v18.8b, v1.8b + umlal v22.8h, v20.8b, v0.8b + ld1 {v26.8b,v27.8b,v28.8b}, [x2], x3 + umull v24.8h, v19.8b, v1.8b + umlal v24.8h, v21.8b, v0.8b + ext v29.8b, v27.8b, v28.8b, #1 + ext v28.8b, v26.8b, v27.8b, #1 + umull v16.8h, v26.8b, v1.8b + umlal v16.8h, v28.8b, v0.8b + umull v18.8h, v27.8b, v1.8b + umlal v18.8h, v29.8b, v0.8b + rshrn v6.8b, v22.8h, #3 + rshrn2 v6.16b, v24.8h, #3 + umull v24.8h, v4.8b, v3.8b + umlal v24.8h, v6.8b, v2.8b + umull2 v30.8h, v4.16b, v3.16b + umlal2 v30.8h, v6.16b, v2.16b + rshrn v4.8b, v16.8h, #3 + rshrn2 v4.16b, v18.8h, #3 + umull v20.8h, v6.8b, v3.8b + umlal v20.8h, v4.8b, v2.8b + umull2 v22.8h, v6.16b, v3.16b + umlal2 v22.8h, v4.16b, v2.16b + rshrn v24.8b, v24.8h, #3 + rshrn2 v24.16b, v30.8h, #3 + st1 {v24.16b}, [x0], x1 + rshrn v20.8b, v20.8h, #3 + rshrn2 v20.16b, v22.8h, #3 + st1 {v20.16b}, [x0], x1 + b.gt 1b + + ret +endfunc + +function ff_put_vp8_bilin8_h_neon, export=1 + mov w7, #8 + dup v0.8b, w5 + sub w5, w7, w5 + dup v1.8b, w5 +1: + subs w4, w4, #2 + ld1 {v2.8b,v3.8b}, [x2], x3 + ext v3.8b, v2.8b, v3.8b, #1 + umull v4.8h, v2.8b, v1.8b + umlal v4.8h, v3.8b, v0.8b + ld1 {v6.8b,v7.8b}, [x2], x3 + ext v7.8b, v6.8b, v7.8b, #1 + umull v16.8h, v6.8b, v1.8b + umlal v16.8h, v7.8b, v0.8b + rshrn v4.8b, v4.8h, #3 + rshrn v16.8b, v16.8h, #3 + st1 {v4.8b}, [x0], x1 + st1 {v16.8b}, [x0], x1 + b.gt 1b + + ret +endfunc + +function ff_put_vp8_bilin8_v_neon, export=1 + mov w7, #8 + dup v0.8b, w6 + sub w6, w7, w6 + dup v1.8b, w6 + + ld1 {v2.8b}, [x2], x3 +1: + subs w4, w4, #2 + ld1 {v3.8b}, [x2], x3 + umull v4.8h, v2.8b, v1.8b + umlal v4.8h, v3.8b, v0.8b + ld1 {v2.8b}, [x2], x3 + umull v6.8h, v3.8b, v1.8b + umlal v6.8h, v2.8b, v0.8b + rshrn v4.8b, v4.8h, #3 + rshrn v6.8b, v6.8h, #3 + st1 {v4.8b}, [x0], x1 + st1 {v6.8b}, [x0], x1 + b.gt 1b + + ret +endfunc + +function ff_put_vp8_bilin8_hv_neon, export=1 + mov w7, #8 + dup v0.8b, w5 // mx + sub w5, w7, w5 + dup v1.8b, w5 + dup v2.8b, w6 // my + sub w6, w7, w6 + dup v3.8b, w6 + + ld1 {v4.8b,v5.8b}, [x2], x3 + ext v5.8b, v4.8b, v5.8b, #1 + umull v18.8h, v4.8b, v1.8b + umlal v18.8h, v5.8b, v0.8b + rshrn v22.8b, v18.8h, #3 +1: + subs w4, w4, #2 + ld1 {v6.8b,v7.8b}, [x2], x3 + ext v7.8b, v6.8b, v7.8b, #1 + umull v16.8h, v6.8b, v1.8b + umlal v16.8h, v7.8b, v0.8b + ld1 {v4.8b,v5.8b}, [x2], x3 + ext v5.8b, v4.8b, v5.8b, #1 + umull v18.8h, v4.8b, v1.8b + umlal v18.8h, v5.8b, v0.8b + rshrn v16.8b, v16.8h, #3 + umull v20.8h, v22.8b, v3.8b + umlal v20.8h, v16.8b, v2.8b + rshrn v22.8b, v18.8h, #3 + umull v24.8h, v16.8b, v3.8b + umlal v24.8h, v22.8b, v2.8b + rshrn v20.8b, v20.8h, #3 + st1 {v20.8b}, [x0], x1 + rshrn v23.8b, v24.8h, #3 + st1 {v23.8b}, [x0], x1 + b.gt 1b + + ret +endfunc + +function ff_put_vp8_bilin4_h_neon, export=1 + mov w7, #8 + dup v0.8b, w5 + sub w5, w7, w5 + dup v1.8b, w5 +1: + subs w4, w4, #2 + ld1 {v2.8b}, [x2], x3 + ext v3.8b, v2.8b, v3.8b, #1 + ld1 {v6.8b}, [x2], x3 + ext v7.8b, v6.8b, v7.8b, #1 + trn1 v2.2s, v2.2s, v6.2s + trn1 v3.2s, v3.2s, v7.2s + umull v4.8h, v2.8b, v1.8b + umlal v4.8h, v3.8b, v0.8b + rshrn v4.8b, v4.8h, #3 + st1 {v4.s}[0], [x0], x1 + st1 {v4.s}[1], [x0], x1 + b.gt 1b + + ret +endfunc + +function ff_put_vp8_bilin4_v_neon, export=1 + mov w7, #8 + dup v0.8b, w6 + sub w6, w7, w6 + dup v1.8b, w6 + + ld1r {v2.2s}, [x2], x3 +1: + ld1r {v3.2s}, [x2] + ld1 {v2.s}[1], [x2], x3 + ld1 {v3.s}[1], [x2], x3 + umull v4.8h, v2.8b, v1.8b + umlal v4.8h, v3.8b, v0.8b + trn2 v2.2s, v3.2s, v2.2s + rshrn v4.8b, v4.8h, #3 + st1 {v4.s}[0], [x0], x1 + st1 {v4.s}[1], [x0], x1 + subs w4, w4, #2 + b.gt 1b + + ret +endfunc + +function ff_put_vp8_bilin4_hv_neon, export=1 + mov w7, #8 + dup v0.8b, w5 // mx + sub w5, w7, w5 + dup v1.8b, w5 + dup v2.8b, w6 // my + sub w6, w7, w6 + dup v3.8b, w6 + + ld1 {v4.8b}, [x2], x3 + ext v5.8b, v4.8b, v4.8b, #1 + umull v18.8h, v4.8b, v1.8b + umlal v18.8h, v5.8b, v0.8b + rshrn v22.8b, v18.8h, #3 +1: + subs w4, w4, #2 + ld1 {v6.8b}, [x2], x3 + ext v7.8b, v6.8b, v6.8b, #1 + ld1 {v4.8b}, [x2], x3 + ext v5.8b, v4.8b, v4.8b, #1 + trn1 v6.2s, v6.2s, v4.2s + trn1 v7.2s, v7.2s, v5.2s + umull v16.8h, v6.8b, v1.8b + umlal v16.8h, v7.8b, v0.8b + rshrn v16.8b, v16.8h, #3 + umull v20.8h, v16.8b, v2.8b + trn1 v22.2s, v22.2s, v16.2s + umlal v20.8h, v22.8b, v3.8b + rev64 v22.2s, v16.2s + rshrn v20.8b, v20.8h, #3 + st1 {v20.s}[0], [x0], x1 + st1 {v20.s}[1], [x0], x1 + b.gt 1b + + ret +endfunc |