mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-12 19:18:44 +02:00
73 lines
2.0 KiB
ArmAsm
73 lines
2.0 KiB
ArmAsm
/*
|
|
* Copyright © 2023 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 "libavutil/riscv/asm.S"
|
|
|
|
func ff_ict_float_rvv, zve32f
|
|
lla t0, ff_jpeg2000_f_ict_params
|
|
flw ft0, 0(t0)
|
|
flw ft1, 4(t0)
|
|
flw ft2, 8(t0)
|
|
flw ft3, 12(t0)
|
|
1:
|
|
vsetvli t0, a3, e32, m8, ta, ma
|
|
vle32.v v8, (a0)
|
|
sub a3, a3, t0
|
|
vle32.v v16, (a1)
|
|
vle32.v v24, (a2)
|
|
vfmul.vf v0, v16, ft1
|
|
vfmadd.vf v16, ft3, v8
|
|
vfsub.vv v0, v8, v0
|
|
vfmacc.vf v8, ft0, v24
|
|
vfnmsac.vf v0, ft2, v24
|
|
vse32.v v8, (a0)
|
|
sh2add a0, t0, a0
|
|
vse32.v v0, (a1)
|
|
sh2add a1, t0, a1
|
|
vse32.v v16, (a2)
|
|
sh2add a2, t0, a2
|
|
bnez a3, 1b
|
|
|
|
ret
|
|
endfunc
|
|
|
|
func ff_rct_int_rvv, zve32x
|
|
1:
|
|
vsetvli t0, a3, e32, m8, ta, ma
|
|
vle32.v v16, (a1)
|
|
sub a3, a3, t0
|
|
vle32.v v24, (a2)
|
|
vle32.v v8, (a0)
|
|
vadd.vv v0, v16, v24
|
|
vsra.vi v0, v0, 2
|
|
vsub.vv v0, v8, v0
|
|
vadd.vv v8, v0, v24
|
|
vadd.vv v24, v0, v16
|
|
vse32.v v8, (a0)
|
|
sh2add a0, t0, a0
|
|
vse32.v v0, (a1)
|
|
sh2add a1, t0, a1
|
|
vse32.v v24, (a2)
|
|
sh2add a2, t0, a2
|
|
bnez a3, 1b
|
|
|
|
ret
|
|
endfunc
|