2 * Copyright (c) 2020 Martin Storsjo
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "libavutil/aarch64/asm.S"
23 // void ff_interleave_bytes_neon(const uint8_t *src1, const uint8_t *src2,
24 // uint8_t *dest, int width, int height,
25 // int src1Stride, int src2Stride, int dstStride);
26 function ff_interleave_bytes_neon, export=1
29 sub w7, w7, w3, lsl #1
31 ands w8, w3, #0xfffffff0 // & ~15
34 ld1 {v0.16b}, [x0], #16
35 ld1 {v1.16b}, [x1], #16
37 st2 {v0.16b, v1.16b}, [x2], #32
48 st2 {v0.8b, v1.8b}, [x2], #16
53 ld1 {v0.s}[0], [x0], #4
54 ld1 {v1.s}[0], [x1], #4
55 zip1 v0.8b, v0.8b, v1.8b