/* * Copyright (c) 2009 Mans Rullgard * * 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