diff options
Diffstat (limited to 'media/ffvpx/libavcodec/aarch64/h264pred_neon.S')
| -rw-r--r-- | media/ffvpx/libavcodec/aarch64/h264pred_neon.S | 765 |
1 files changed, 765 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/aarch64/h264pred_neon.S b/media/ffvpx/libavcodec/aarch64/h264pred_neon.S new file mode 100644 index 0000000000..ea37689f34 --- /dev/null +++ b/media/ffvpx/libavcodec/aarch64/h264pred_neon.S @@ -0,0 +1,765 @@ +/* + * Copyright (c) 2009 Mans Rullgard <mans@mansr.com> + * + * 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" + +.macro ldcol.8 rd, rs, rt, n=8, hi=0 +.if \n >= 8 || \hi == 0 + ld1 {\rd\().b}[0], [\rs], \rt + ld1 {\rd\().b}[1], [\rs], \rt + ld1 {\rd\().b}[2], [\rs], \rt + ld1 {\rd\().b}[3], [\rs], \rt +.endif +.if \n >= 8 || \hi == 1 + ld1 {\rd\().b}[4], [\rs], \rt + ld1 {\rd\().b}[5], [\rs], \rt + ld1 {\rd\().b}[6], [\rs], \rt + ld1 {\rd\().b}[7], [\rs], \rt +.endif +.if \n == 16 + ld1 {\rd\().b}[8], [\rs], \rt + ld1 {\rd\().b}[9], [\rs], \rt + ld1 {\rd\().b}[10], [\rs], \rt + ld1 {\rd\().b}[11], [\rs], \rt + ld1 {\rd\().b}[12], [\rs], \rt + ld1 {\rd\().b}[13], [\rs], \rt + ld1 {\rd\().b}[14], [\rs], \rt + ld1 {\rd\().b}[15], [\rs], \rt +.endif +.endm + +function ff_pred16x16_128_dc_neon, export=1 + movi v0.16b, #128 + b .L_pred16x16_dc_end +endfunc + +function ff_pred16x16_top_dc_neon, export=1 + sub x2, x0, x1 + ld1 {v0.16b}, [x2] + uaddlv h0, v0.16b + rshrn v0.8b, v0.8h, #4 + dup v0.16b, v0.b[0] + b .L_pred16x16_dc_end +endfunc + +function ff_pred16x16_left_dc_neon, export=1 + sub x2, x0, #1 + ldcol.8 v0, x2, x1, 16 + uaddlv h0, v0.16b + rshrn v0.8b, v0.8h, #4 + dup v0.16b, v0.b[0] + b .L_pred16x16_dc_end +endfunc + +function ff_pred16x16_dc_neon, export=1 + sub x2, x0, x1 + sub x3, x0, #1 + ld1 {v0.16b}, [x2] + ldcol.8 v1, x3, x1, 16 + uaddlv h0, v0.16b + uaddlv h1, v1.16b + add v0.4h, v0.4h, v1.4h + rshrn v0.8b, v0.8h, #5 + dup v0.16b, v0.b[0] +.L_pred16x16_dc_end: + mov w3, #8 +6: st1 {v0.16b}, [x0], x1 + subs w3, w3, #1 + st1 {v0.16b}, [x0], x1 + b.ne 6b + ret +endfunc + +function ff_pred16x16_hor_neon, export=1 + sub x2, x0, #1 + mov w3, #16 +1: ld1r {v0.16b}, [x2], x1 + subs w3, w3, #1 + st1 {v0.16b}, [x0], x1 + b.ne 1b + ret +endfunc + +function ff_pred16x16_vert_neon, export=1 + sub x2, x0, x1 + add x1, x1, x1 + ld1 {v0.16b}, [x2], x1 + mov w3, #8 +1: subs w3, w3, #1 + st1 {v0.16b}, [x0], x1 + st1 {v0.16b}, [x2], x1 + b.ne 1b + ret +endfunc + +function ff_pred16x16_plane_neon, export=1 + sub x3, x0, x1 + movrel x4, p16weight + add x2, x3, #8 + sub x3, x3, #1 + ld1 {v0.8b}, [x3] + ld1 {v2.8b}, [x2], x1 + ldcol.8 v1, x3, x1 + add x3, x3, x1 + ldcol.8 v3, x3, x1 + rev64 v0.8b, v0.8b + rev64 v1.8b, v1.8b + uaddl v7.8h, v2.8b, v3.8b + usubl v2.8h, v2.8b, v0.8b + usubl v3.8h, v3.8b, v1.8b + ld1 {v0.8h}, [x4] + mul v2.8h, v2.8h, v0.8h + mul v3.8h, v3.8h, v0.8h + addp v2.8h, v2.8h, v3.8h + addp v2.8h, v2.8h, v2.8h + addp v2.4h, v2.4h, v2.4h + sshll v3.4s, v2.4h, #2 + saddw v2.4s, v3.4s, v2.4h + rshrn v4.4h, v2.4s, #6 + trn2 v5.4h, v4.4h, v4.4h + add v2.4h, v4.4h, v5.4h + shl v3.4h, v2.4h, #3 + ext v7.16b, v7.16b, v7.16b, #14 + sub v3.4h, v3.4h, v2.4h // 7 * (b + c) + add v7.4h, v7.4h, v0.4h + shl v2.4h, v7.4h, #4 + sub v2.4h, v2.4h, v3.4h + shl v3.4h, v4.4h, #4 + ext v0.16b, v0.16b, v0.16b, #14 + sub v6.4h, v5.4h, v3.4h + mov v0.h[0], wzr + mul v0.8h, v0.8h, v4.h[0] + dup v1.8h, v2.h[0] + dup v2.8h, v4.h[0] + dup v3.8h, v6.h[0] + shl v2.8h, v2.8h, #3 + add v1.8h, v1.8h, v0.8h + add v3.8h, v3.8h, v2.8h + mov w3, #16 +1: + sqshrun v0.8b, v1.8h, #5 + add v1.8h, v1.8h, v2.8h + sqshrun2 v0.16b, v1.8h, #5 + add v1.8h, v1.8h, v3.8h + subs w3, w3, #1 + st1 {v0.16b}, [x0], x1 + b.ne 1b + ret +endfunc + +const p16weight, align=4 + .short 1,2,3,4,5,6,7,8 +endconst +const p8weight, align=4 + .short 1,2,3,4,1,2,3,4 +endconst + +function ff_pred8x8_hor_neon, export=1 + sub x2, x0, #1 + mov w3, #8 +1: ld1r {v0.8b}, [x2], x1 + subs w3, w3, #1 + st1 {v0.8b}, [x0], x1 + b.ne 1b + ret +endfunc + +function ff_pred8x8_vert_neon, export=1 + sub x2, x0, x1 + lsl x1, x1, #1 + ld1 {v0.8b}, [x2], x1 + mov w3, #4 +1: subs w3, w3, #1 + st1 {v0.8b}, [x0], x1 + st1 {v0.8b}, [x2], x1 + b.ne 1b + ret +endfunc + +function ff_pred8x8_plane_neon, export=1 + sub x3, x0, x1 + movrel x4, p8weight + movrel x5, p16weight + add x2, x3, #4 + sub x3, x3, #1 + ld1 {v0.s}[0], [x3] + ld1 {v2.s}[0], [x2], x1 + ldcol.8 v0, x3, x1, 4, hi=1 + add x3, x3, x1 + ldcol.8 v3, x3, x1, 4 + uaddl v7.8h, v2.8b, v3.8b + rev32 v0.8b, v0.8b + trn1 v2.2s, v2.2s, v3.2s + usubl v2.8h, v2.8b, v0.8b + ld1 {v6.8h}, [x4] + mul v2.8h, v2.8h, v6.8h + ld1 {v0.8h}, [x5] + saddlp v2.4s, v2.8h + addp v2.4s, v2.4s, v2.4s + shl v3.4s, v2.4s, #4 + add v2.4s, v3.4s, v2.4s + rshrn v5.4h, v2.4s, #5 + addp v2.4h, v5.4h, v5.4h + shl v3.4h, v2.4h, #1 + add v3.4h, v3.4h, v2.4h + rev64 v7.4h, v7.4h + add v7.4h, v7.4h, v0.4h + shl v2.4h, v7.4h, #4 + sub v2.4h, v2.4h, v3.4h + ext v0.16b, v0.16b, v0.16b, #14 + mov v0.h[0], wzr + mul v0.8h, v0.8h, v5.h[0] + dup v1.8h, v2.h[0] + dup v2.8h, v5.h[1] + add v1.8h, v1.8h, v0.8h + mov w3, #8 +1: + sqshrun v0.8b, v1.8h, #5 + subs w3, w3, #1 + add v1.8h, v1.8h, v2.8h + st1 {v0.8b}, [x0], x1 + b.ne 1b + ret +endfunc + +function ff_pred8x8_128_dc_neon, export=1 + movi v0.8b, #128 + movi v1.8b, #128 + b .L_pred8x8_dc_end +endfunc + +function ff_pred8x8_top_dc_neon, export=1 + sub x2, x0, x1 + ld1 {v0.8b}, [x2] + uaddlp v0.4h, v0.8b + addp v0.4h, v0.4h, v0.4h + zip1 v0.8h, v0.8h, v0.8h + rshrn v2.8b, v0.8h, #2 + zip1 v0.8b, v2.8b, v2.8b + zip1 v1.8b, v2.8b, v2.8b + b .L_pred8x8_dc_end +endfunc + +function ff_pred8x8_left_dc_neon, export=1 + sub x2, x0, #1 + ldcol.8 v0, x2, x1 + uaddlp v0.4h, v0.8b + addp v0.4h, v0.4h, v0.4h + rshrn v2.8b, v0.8h, #2 + dup v1.8b, v2.b[1] + dup v0.8b, v2.b[0] + b .L_pred8x8_dc_end +endfunc + +function ff_pred8x8_dc_neon, export=1 + sub x2, x0, x1 + sub x3, x0, #1 + ld1 {v0.8b}, [x2] + ldcol.8 v1, x3, x1 + uaddlp v0.4h, v0.8b + uaddlp v1.4h, v1.8b + trn1 v2.2s, v0.2s, v1.2s + trn2 v3.2s, v0.2s, v1.2s + addp v4.4h, v2.4h, v3.4h + addp v5.4h, v4.4h, v4.4h + rshrn v6.8b, v5.8h, #3 + rshrn v7.8b, v4.8h, #2 + dup v0.8b, v6.b[0] + dup v2.8b, v7.b[2] + dup v1.8b, v7.b[3] + dup v3.8b, v6.b[1] + zip1 v0.2s, v0.2s, v2.2s + zip1 v1.2s, v1.2s, v3.2s +.L_pred8x8_dc_end: + mov w3, #4 + add x2, x0, x1, lsl #2 +6: subs w3, w3, #1 + st1 {v0.8b}, [x0], x1 + st1 {v1.8b}, [x2], x1 + b.ne 6b + ret +endfunc + +function ff_pred8x8_l0t_dc_neon, export=1 + sub x2, x0, x1 + sub x3, x0, #1 + ld1 {v0.8b}, [x2] + ldcol.8 v1, x3, x1, 4 + zip1 v0.4s, v0.4s, v1.4s + uaddlp v0.8h, v0.16b + addp v0.8h, v0.8h, v0.8h + addp v1.4h, v0.4h, v0.4h + rshrn v2.8b, v0.8h, #2 + rshrn v3.8b, v1.8h, #3 + dup v4.8b, v3.b[0] + dup v6.8b, v2.b[2] + dup v5.8b, v2.b[0] + zip1 v0.2s, v4.2s, v6.2s + zip1 v1.2s, v5.2s, v6.2s + b .L_pred8x8_dc_end +endfunc + +function ff_pred8x8_l00_dc_neon, export=1 + sub x2, x0, #1 + ldcol.8 v0, x2, x1, 4 + uaddlp v0.4h, v0.8b + addp v0.4h, v0.4h, v0.4h + rshrn v0.8b, v0.8h, #2 + movi v1.8b, #128 + dup v0.8b, v0.b[0] + b .L_pred8x8_dc_end +endfunc + +function ff_pred8x8_0lt_dc_neon, export=1 + add x3, x0, x1, lsl #2 + sub x2, x0, x1 + sub x3, x3, #1 + ld1 {v0.8b}, [x2] + ldcol.8 v1, x3, x1, 4, hi=1 + zip1 v0.4s, v0.4s, v1.4s + uaddlp v0.8h, v0.16b + addp v0.8h, v0.8h, v0.8h + addp v1.4h, v0.4h, v0.4h + rshrn v2.8b, v0.8h, #2 + rshrn v3.8b, v1.8h, #3 + dup v4.8b, v2.b[0] + dup v5.8b, v2.b[3] + dup v6.8b, v2.b[2] + dup v7.8b, v3.b[1] + zip1 v0.2s, v4.2s, v6.2s + zip1 v1.2s, v5.2s, v7.2s + b .L_pred8x8_dc_end +endfunc + +function ff_pred8x8_0l0_dc_neon, export=1 + add x2, x0, x1, lsl #2 + sub x2, x2, #1 + ldcol.8 v1, x2, x1, 4 + uaddlp v2.4h, v1.8b + addp v2.4h, v2.4h, v2.4h + rshrn v1.8b, v2.8h, #2 + movi v0.8b, #128 + dup v1.8b, v1.b[0] + b .L_pred8x8_dc_end +endfunc + +.macro ldcol.16 rd, rs, rt, n=4, hi=0 +.if \n >= 4 && \hi == 0 + ld1 {\rd\().h}[0], [\rs], \rt + ld1 {\rd\().h}[1], [\rs], \rt + ld1 {\rd\().h}[2], [\rs], \rt + ld1 {\rd\().h}[3], [\rs], \rt +.endif +.if \n == 8 || \hi == 1 + ld1 {\rd\().h}[4], [\rs], \rt + ld1 {\rd\().h}[5], [\rs], \rt + ld1 {\rd\().h}[6], [\rs], \rt + ld1 {\rd\().h}[7], [\rs], \rt +.endif +.endm + +// slower than C +/* +function ff_pred16x16_128_dc_neon_10, export=1 + movi v0.8h, #2, lsl #8 // 512, 1 << (bit_depth - 1) + + b .L_pred16x16_dc_10_end +endfunc +*/ + +function ff_pred16x16_top_dc_neon_10, export=1 + sub x2, x0, x1 + + ld1 {v0.8h, v1.8h}, [x2] + + add v0.8h, v0.8h, v1.8h + addv h0, v0.8h + + urshr v0.4h, v0.4h, #4 + dup v0.8h, v0.h[0] + b .L_pred16x16_dc_10_end +endfunc + +// slower than C +/* +function ff_pred16x16_left_dc_neon_10, export=1 + sub x2, x0, #2 // access to the "left" column + ldcol.16 v0, x2, x1, 8 + ldcol.16 v1, x2, x1, 8 // load "left" column + + add v0.8h, v0.8h, v1.8h + addv h0, v0.8h + + urshr v0.4h, v0.4h, #4 + dup v0.8h, v0.h[0] + b .L_pred16x16_dc_10_end +endfunc +*/ + +function ff_pred16x16_dc_neon_10, export=1 + sub x2, x0, x1 // access to the "top" row + sub x3, x0, #2 // access to the "left" column + + ld1 {v0.8h, v1.8h}, [x2] + ldcol.16 v2, x3, x1, 8 + ldcol.16 v3, x3, x1, 8 // load pixels in "top" row and "left" col + + add v0.8h, v0.8h, v1.8h + add v2.8h, v2.8h, v3.8h + add v0.8h, v0.8h, v2.8h + addv h0, v0.8h + + urshr v0.4h, v0.4h, #5 + dup v0.8h, v0.h[0] +.L_pred16x16_dc_10_end: + mov v1.16b, v0.16b + mov w3, #8 +6: st1 {v0.8h, v1.8h}, [x0], x1 + subs w3, w3, #1 + st1 {v0.8h, v1.8h}, [x0], x1 + b.ne 6b + ret +endfunc + +function ff_pred16x16_hor_neon_10, export=1 + sub x2, x0, #2 + add x3, x0, #16 + + mov w4, #16 +1: ld1r {v0.8h}, [x2], x1 + subs w4, w4, #1 + st1 {v0.8h}, [x0], x1 + st1 {v0.8h}, [x3], x1 + b.ne 1b + ret +endfunc + +function ff_pred16x16_vert_neon_10, export=1 + sub x2, x0, x1 + add x1, x1, x1 + + ld1 {v0.8h, v1.8h}, [x2], x1 + + mov w3, #8 +1: subs w3, w3, #1 + st1 {v0.8h, v1.8h}, [x0], x1 + st1 {v0.8h, v1.8h}, [x2], x1 + + b.ne 1b + ret +endfunc + +function ff_pred16x16_plane_neon_10, export=1 + sub x3, x0, x1 + movrel x4, p16weight + add x2, x3, #16 + sub x3, x3, #2 + ld1 {v0.8h}, [x3] + ld1 {v2.8h}, [x2], x1 + ldcol.16 v1, x3, x1, 8 + add x3, x3, x1 + ldcol.16 v3, x3, x1, 8 + + rev64 v16.8h, v0.8h + rev64 v17.8h, v1.8h + ext v0.16b, v16.16b, v16.16b, #8 + ext v1.16b, v17.16b, v17.16b, #8 + + add v7.8h, v2.8h, v3.8h + sub v2.8h, v2.8h, v0.8h + sub v3.8h, v3.8h, v1.8h + ld1 {v0.8h}, [x4] + mul v2.8h, v2.8h, v0.8h + mul v3.8h, v3.8h, v0.8h + addp v2.8h, v2.8h, v3.8h + addp v2.8h, v2.8h, v2.8h + addp v2.4h, v2.4h, v2.4h + sshll v3.4s, v2.4h, #2 + saddw v2.4s, v3.4s, v2.4h + rshrn v4.4h, v2.4s, #6 + trn2 v5.4h, v4.4h, v4.4h + add v2.4h, v4.4h, v5.4h + shl v3.4h, v2.4h, #3 + ext v7.16b, v7.16b, v7.16b, #14 + sub v3.4h, v3.4h, v2.4h // 7 * (b + c) + add v7.4h, v7.4h, v0.4h + shl v2.4h, v7.4h, #4 + ssubl v2.4s, v2.4h, v3.4h + shl v3.4h, v4.4h, #4 + ext v0.16b, v0.16b, v0.16b, #14 + ssubl v6.4s, v5.4h, v3.4h + + mov v0.h[0], wzr + mul v0.8h, v0.8h, v4.h[0] + dup v16.4s, v2.s[0] + dup v17.4s, v2.s[0] + dup v2.8h, v4.h[0] + dup v3.4s, v6.s[0] + shl v2.8h, v2.8h, #3 + saddw v16.4s, v16.4s, v0.4h + saddw2 v17.4s, v17.4s, v0.8h + saddw v3.4s, v3.4s, v2.4h + + mov w3, #16 + mvni v4.8h, #0xFC, lsl #8 // 1023 for clipping +1: + sqshrun v0.4h, v16.4s, #5 + sqshrun2 v0.8h, v17.4s, #5 + saddw v16.4s, v16.4s, v2.4h + saddw v17.4s, v17.4s, v2.4h + sqshrun v1.4h, v16.4s, #5 + sqshrun2 v1.8h, v17.4s, #5 + add v16.4s, v16.4s, v3.4s + add v17.4s, v17.4s, v3.4s + + subs w3, w3, #1 + + smin v0.8h, v0.8h, v4.8h + smin v1.8h, v1.8h, v4.8h + + st1 {v0.8h, v1.8h}, [x0], x1 + b.ne 1b + ret +endfunc + +function ff_pred8x8_hor_neon_10, export=1 + sub x2, x0, #2 + mov w3, #8 + +1: ld1r {v0.8h}, [x2], x1 + subs w3, w3, #1 + st1 {v0.8h}, [x0], x1 + b.ne 1b + ret +endfunc + +function ff_pred8x8_vert_neon_10, export=1 + sub x2, x0, x1 + lsl x1, x1, #1 + + ld1 {v0.8h}, [x2], x1 + mov w3, #4 +1: subs w3, w3, #1 + st1 {v0.8h}, [x0], x1 + st1 {v0.8h}, [x2], x1 + b.ne 1b + ret +endfunc + +function ff_pred8x8_plane_neon_10, export=1 + sub x3, x0, x1 + movrel x4, p8weight + movrel x5, p16weight + add x2, x3, #8 + sub x3, x3, #2 + ld1 {v0.d}[0], [x3] + ld1 {v2.d}[0], [x2], x1 + ldcol.16 v0, x3, x1, hi=1 + add x3, x3, x1 + ldcol.16 v3, x3, x1, 4 + add v7.8h, v2.8h, v3.8h + rev64 v0.8h, v0.8h + trn1 v2.2d, v2.2d, v3.2d + sub v2.8h, v2.8h, v0.8h + ld1 {v6.8h}, [x4] + mul v2.8h, v2.8h, v6.8h + ld1 {v0.8h}, [x5] + saddlp v2.4s, v2.8h + addp v2.4s, v2.4s, v2.4s + shl v3.4s, v2.4s, #4 + add v2.4s, v3.4s, v2.4s + rshrn v5.4h, v2.4s, #5 + addp v2.4h, v5.4h, v5.4h + shl v3.4h, v2.4h, #1 + add v3.4h, v3.4h, v2.4h + rev64 v7.4h, v7.4h + add v7.4h, v7.4h, v0.4h + shl v2.4h, v7.4h, #4 + ssubl v2.4s, v2.4h, v3.4h + ext v0.16b, v0.16b, v0.16b, #14 + mov v0.h[0], wzr + mul v0.8h, v0.8h, v5.h[0] + dup v1.4s, v2.s[0] + dup v2.4s, v2.s[0] + dup v3.8h, v5.h[1] + saddw v1.4s, v1.4s, v0.4h + saddw2 v2.4s, v2.4s, v0.8h + mov w3, #8 + mvni v4.8h, #0xFC, lsl #8 // 1023 for clipping +1: + sqshrun v0.4h, v1.4s, #5 + sqshrun2 v0.8h, v2.4s, #5 + + saddw v1.4s, v1.4s, v3.4h + saddw v2.4s, v2.4s, v3.4h + + subs w3, w3, #1 + + smin v0.8h, v0.8h, v4.8h + + st1 {v0.8h}, [x0], x1 + b.ne 1b + ret +endfunc + +function ff_pred8x8_128_dc_neon_10, export=1 + movi v0.8h, #2, lsl #8 // 512, 1 << (bit_depth - 1) + movi v1.8h, #2, lsl #8 + b .L_pred8x8_dc_10_end +endfunc + +function ff_pred8x8_top_dc_neon_10, export=1 + sub x2, x0, x1 + ld1 {v0.8h}, [x2] + + addp v0.8h, v0.8h, v0.8h + addp v0.4h, v0.4h, v0.4h + zip1 v0.4h, v0.4h, v0.4h + urshr v2.4h, v0.4h, #2 + zip1 v0.8h, v2.8h, v2.8h + zip1 v1.8h, v2.8h, v2.8h + b .L_pred8x8_dc_10_end +endfunc + +function ff_pred8x8_left_dc_neon_10, export=1 + sub x2, x0, #2 + ldcol.16 v0, x2, x1, 8 + + addp v0.8h, v0.8h, v0.8h + addp v0.4h, v0.4h, v0.4h + urshr v2.4h, v0.4h, #2 + dup v1.8h, v2.h[1] + dup v0.8h, v2.h[0] + b .L_pred8x8_dc_10_end +endfunc + +function ff_pred8x8_dc_neon_10, export=1 + sub x2, x0, x1 + sub x3, x0, #2 + + ld1 {v0.8h}, [x2] + ldcol.16 v1, x3, x1, 8 + + addp v0.8h, v0.8h, v0.8h + addp v1.8h, v1.8h, v1.8h + trn1 v2.2s, v0.2s, v1.2s + trn2 v3.2s, v0.2s, v1.2s + addp v4.4h, v2.4h, v3.4h + addp v5.4h, v4.4h, v4.4h + urshr v6.4h, v5.4h, #3 + urshr v7.4h, v4.4h, #2 + dup v0.8h, v6.h[0] + dup v2.8h, v7.h[2] + dup v1.8h, v7.h[3] + dup v3.8h, v6.h[1] + zip1 v0.2d, v0.2d, v2.2d + zip1 v1.2d, v1.2d, v3.2d +.L_pred8x8_dc_10_end: + mov w3, #4 + add x2, x0, x1, lsl #2 + +6: st1 {v0.8h}, [x0], x1 + subs w3, w3, #1 + st1 {v1.8h}, [x2], x1 + b.ne 6b + ret +endfunc + +function ff_pred8x8_l0t_dc_neon_10, export=1 + sub x2, x0, x1 + sub x3, x0, #2 + + ld1 {v0.8h}, [x2] + ldcol.16 v1, x3, x1, 4 + + addp v0.8h, v0.8h, v0.8h + addp v1.4h, v1.4h, v1.4h + addp v0.4h, v0.4h, v0.4h + addp v1.4h, v1.4h, v1.4h + add v1.4h, v1.4h, v0.4h + + urshr v2.4h, v0.4h, #2 + urshr v3.4h, v1.4h, #3 // the pred4x4 part + + dup v4.4h, v3.h[0] + dup v5.4h, v2.h[0] + dup v6.4h, v2.h[1] + + zip1 v0.2d, v4.2d, v6.2d + zip1 v1.2d, v5.2d, v6.2d + b .L_pred8x8_dc_10_end +endfunc + +function ff_pred8x8_l00_dc_neon_10, export=1 + sub x2, x0, #2 + + ldcol.16 v0, x2, x1, 4 + + addp v0.4h, v0.4h, v0.4h + addp v0.4h, v0.4h, v0.4h + urshr v0.4h, v0.4h, #2 + + movi v1.8h, #2, lsl #8 // 512 + dup v0.8h, v0.h[0] + b .L_pred8x8_dc_10_end +endfunc + +function ff_pred8x8_0lt_dc_neon_10, export=1 + add x3, x0, x1, lsl #2 + sub x2, x0, x1 + sub x3, x3, #2 + + ld1 {v0.8h}, [x2] + ldcol.16 v1, x3, x1, hi=1 + + addp v0.8h, v0.8h, v0.8h + addp v1.8h, v1.8h, v1.8h + addp v0.4h, v0.4h, v0.4h + addp v1.4h, v1.4h, v1.4h + zip1 v0.2s, v0.2s, v1.2s + add v1.4h, v0.4h, v1.4h + + urshr v2.4h, v0.4h, #2 + urshr v3.4h, v1.4h, #3 + + dup v4.4h, v2.h[0] + dup v5.4h, v2.h[3] + dup v6.4h, v2.h[1] + dup v7.4h, v3.h[1] + + zip1 v0.2d, v4.2d, v6.2d + zip1 v1.2d, v5.2d, v7.2d + b .L_pred8x8_dc_10_end +endfunc + +function ff_pred8x8_0l0_dc_neon_10, export=1 + add x2, x0, x1, lsl #2 + sub x2, x2, #2 + + ldcol.16 v1, x2, x1, 4 + + addp v2.8h, v1.8h, v1.8h + addp v2.4h, v2.4h, v2.4h + urshr v1.4h, v2.4h, #2 + + movi v0.8h, #2, lsl #8 // 512 + dup v1.8h, v1.h[0] + b .L_pred8x8_dc_10_end +endfunc |