ffmpeg/libavcodec/riscv/blockdsp_rvv.S

68 lines
1.8 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"
func ff_clear_block_rvv, zve64x
lpad 0
vsetivli zero, 16, e64, m8, ta, ma
vmv.v.i v0, 0
vse64.v v0, (a0)
ret
endfunc
func ff_clear_blocks_rvv, zve64x
lpad 0
vsetivli zero, 16, e64, m8, ta, ma
vmv.v.i v0, 0
.rept 5
vse64.v v0, (a0)
addi a0, a0, 128
.endr
vse64.v v0, (a0)
ret
endfunc
func ff_fill_block16_rvv, zve32x
lpad 0
vsetivli t0, 16, e8, m1, ta, ma
vmv.v.x v8, a1
1:
addi a3, a3, -1
vse8.v v8, (a0)
add a0, a0, a2
bnez a3, 1b
ret
endfunc
func ff_fill_block8_rvv, zve64x
lpad 0
vsetvli t0, zero, e8, m4, ta, ma
vmv.v.x v8, a1
vsetvli t0, a3, e64, m4, ta, ma
vsse64.v v8, (a0), a2
ret
endfunc