mirror of https://git.ffmpeg.org/ffmpeg.git
53 lines
1.4 KiB
ArmAsm
53 lines
1.4 KiB
ArmAsm
|
/*
|
||
|
|
* Copyright © 2024 Rémi Denis-Courmont.
|
||
|
|
*
|
||
|
|
* 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 "config.h"
|
||
|
|
#include "libavutil/riscv/asm.S"
|
||
|
|
|
||
|
|
func ff_bswap32_buf_rvvb, zve32x, zvbb, zba
|
||
|
|
lpad 0
|
||
|
|
1:
|
||
|
|
vsetvli t0, a2, e32, m8, ta, ma
|
||
|
|
vle32.v v8, (a1)
|
||
|
|
sub a2, a2, t0
|
||
|
|
vrev8.v v8, v8
|
||
|
|
sh2add a1, t0, a1
|
||
|
|
vse32.v v8, (a0)
|
||
|
|
sh2add a0, t0, a0
|
||
|
|
bnez a2, 1b
|
||
|
|
|
||
|
|
ret
|
||
|
|
endfunc
|
||
|
|
|
||
|
|
func ff_bswap16_buf_rvvb, zve32x, zvbb, zba
|
||
|
|
lpad 0
|
||
|
|
1:
|
||
|
|
vsetvli t0, a2, e16, m8, ta, ma
|
||
|
|
vle16.v v8, (a1)
|
||
|
|
sub a2, a2, t0
|
||
|
|
vrev8.v v8, v8
|
||
|
|
sh1add a1, t0, a1
|
||
|
|
vse16.v v8, (a0)
|
||
|
|
sh1add a0, t0, a0
|
||
|
|
bnez a2, 1b
|
||
|
|
|
||
|
|
ret
|
||
|
|
endfunc
|