mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-11-26 06:28:24 -05:00
80 lines
2.5 KiB
ArmAsm
80 lines
2.5 KiB
ArmAsm
|
/*
|
||
|
|
* Copyright (c) 2020 Martin Storsjo
|
||
|
|
*
|
||
|
|
* 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"
|
||
|
|
|
||
|
|
// void ff_interleave_bytes_neon(const uint8_t *src1, const uint8_t *src2,
|
||
|
|
// uint8_t *dest, int width, int height,
|
||
|
|
// int src1Stride, int src2Stride, int dstStride);
|
||
|
|
function ff_interleave_bytes_neon, export=1
|
||
|
|
sub w5, w5, w3
|
||
|
|
sub w6, w6, w3
|
||
|
|
sub w7, w7, w3, lsl #1
|
||
|
|
1:
|
||
|
|
ands w8, w3, #0xfffffff0 // & ~15
|
||
|
|
b.eq 3f
|
||
|
|
2:
|
||
|
|
ld1 {v0.16b}, [x0], #16
|
||
|
|
ld1 {v1.16b}, [x1], #16
|
||
|
|
subs w8, w8, #16
|
||
|
|
st2 {v0.16b, v1.16b}, [x2], #32
|
||
|
|
b.gt 2b
|
||
|
|
|
||
|
|
tst w3, #15
|
||
|
|
b.eq 9f
|
||
|
|
|
||
|
|
3:
|
||
|
|
tst w3, #8
|
||
|
|
b.eq 4f
|
||
|
|
ld1 {v0.8b}, [x0], #8
|
||
|
|
ld1 {v1.8b}, [x1], #8
|
||
|
|
st2 {v0.8b, v1.8b}, [x2], #16
|
||
|
|
4:
|
||
|
|
tst w3, #4
|
||
|
|
b.eq 5f
|
||
|
|
|
||
|
|
ld1 {v0.s}[0], [x0], #4
|
||
|
|
ld1 {v1.s}[0], [x1], #4
|
||
|
|
zip1 v0.8b, v0.8b, v1.8b
|
||
|
|
st1 {v0.8b}, [x2], #8
|
||
|
|
|
||
|
|
5:
|
||
|
|
ands w8, w3, #3
|
||
|
|
b.eq 9f
|
||
|
|
6:
|
||
|
|
ldrb w9, [x0], #1
|
||
|
|
ldrb w10, [x1], #1
|
||
|
|
subs w8, w8, #1
|
||
|
|
bfi w9, w10, #8, #8
|
||
|
|
strh w9, [x2], #2
|
||
|
|
b.gt 6b
|
||
|
|
|
||
|
|
9:
|
||
|
|
subs w4, w4, #1
|
||
|
|
b.eq 0f
|
||
|
|
add x0, x0, w5, sxtw
|
||
|
|
add x1, x1, w6, sxtw
|
||
|
|
add x2, x2, w7, sxtw
|
||
|
|
b 1b
|
||
|
|
|
||
|
|
0:
|
||
|
|
ret
|
||
|
|
endfunc
|