mirror of https://git.ffmpeg.org/ffmpeg.git
106 lines
2.7 KiB
ArmAsm
106 lines
2.7 KiB
ArmAsm
/*
|
|
* Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS).
|
|
*
|
|
* 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/riscv/asm.S"
|
|
|
|
#if __riscv_xlen >= 64
|
|
func ff_copy64_rvi
|
|
1:
|
|
addi a4, a4, -1
|
|
ld t0, (a2)
|
|
ld t1, 8(a2)
|
|
ld t2, 16(a2)
|
|
ld t3, 24(a2)
|
|
ld t4, 32(a2)
|
|
ld t5, 40(a2)
|
|
ld t6, 48(a2)
|
|
ld a7, 56(a2)
|
|
sd t0, (a0)
|
|
sd t1, 8(a0)
|
|
sd t2, 16(a0)
|
|
sd t3, 24(a0)
|
|
sd t4, 32(a0)
|
|
sd t5, 40(a0)
|
|
sd t6, 48(a0)
|
|
sd a7, 56(a0)
|
|
add a2, a2, a3
|
|
add a0, a0, a1
|
|
bnez a4, 1b
|
|
|
|
ret
|
|
endfunc
|
|
|
|
func ff_copy32_rvi
|
|
1:
|
|
addi a4, a4, -1
|
|
ld t0, (a2)
|
|
ld t1, 8(a2)
|
|
ld t2, 16(a2)
|
|
ld t3, 24(a2)
|
|
sd t0, (a0)
|
|
sd t1, 8(a0)
|
|
sd t2, 16(a0)
|
|
sd t3, 24(a0)
|
|
add a2, a2, a3
|
|
add a0, a0, a1
|
|
bnez a4, 1b
|
|
|
|
ret
|
|
endfunc
|
|
|
|
func ff_copy16_rvi
|
|
1:
|
|
addi a4, a4, -1
|
|
ld t0, (a2)
|
|
ld t1, 8(a2)
|
|
sd t0, (a0)
|
|
sd t1, 8(a0)
|
|
add a2, a2, a3
|
|
add a0, a0, a1
|
|
bnez a4, 1b
|
|
|
|
ret
|
|
endfunc
|
|
|
|
func ff_copy8_rvi
|
|
1:
|
|
addi a4, a4, -1
|
|
ld t0, (a2)
|
|
sd t0, (a0)
|
|
add a2, a2, a3
|
|
add a0, a0, a1
|
|
bnez a4, 1b
|
|
|
|
ret
|
|
endfunc
|
|
#endif
|
|
|
|
func ff_copy4_rvi
|
|
1:
|
|
addi a4, a4, -1
|
|
lw t0, (a2)
|
|
sw t0, (a0)
|
|
add a2, a2, a3
|
|
add a0, a0, a1
|
|
bnez a4, 1b
|
|
|
|
ret
|
|
endfunc
|