mirror of https://git.ffmpeg.org/ffmpeg.git
81 lines
2.4 KiB
ArmAsm
81 lines
2.4 KiB
ArmAsm
/*
|
|
* Copyright (c) 2023 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 "config.h"
|
|
#include "libavutil/riscv/asm.S"
|
|
|
|
func ff_float_to_fixed24_rvv, zve32f
|
|
li t1, 1 << 24
|
|
fcvt.s.w f0, t1
|
|
1:
|
|
vsetvli t0, a2, e32, m8, ta, ma
|
|
sub a2, a2, t0
|
|
vle32.v v0, (a1)
|
|
vfmul.vf v0, v0, f0
|
|
vfcvt.x.f.v v0, v0
|
|
sh2add a1, t0, a1
|
|
vse32.v v0, (a0)
|
|
sh2add a0, t0, a0
|
|
bnez a2, 1b
|
|
|
|
ret
|
|
endfunc
|
|
|
|
#if __riscv_xlen >= 64
|
|
func ff_sum_square_butterfly_int32_rvv, zve64x
|
|
vsetvli t0, zero, e64, m8, ta, ma
|
|
vmv.v.x v0, zero
|
|
vmv.v.x v8, zero
|
|
1:
|
|
vsetvli t0, a3, e32, m2, tu, ma
|
|
vle32.v v16, (a1)
|
|
sub a3, a3, t0
|
|
vle32.v v20, (a2)
|
|
sh2add a1, t0, a1
|
|
vadd.vv v24, v16, v20
|
|
sh2add a2, t0, a2
|
|
vsub.vv v28, v16, v20
|
|
vwmacc.vv v0, v16, v16
|
|
vwmacc.vv v4, v20, v20
|
|
vwmacc.vv v8, v24, v24
|
|
vwmacc.vv v12, v28, v28
|
|
bnez a3, 1b
|
|
|
|
vsetvli t0, zero, e64, m4, ta, ma
|
|
vmv.s.x v16, zero
|
|
vmv.s.x v17, zero
|
|
vredsum.vs v16, v0, v16
|
|
vmv.s.x v18, zero
|
|
vredsum.vs v17, v4, v17
|
|
vmv.s.x v19, zero
|
|
vredsum.vs v18, v8, v18
|
|
vmv.x.s t0, v16
|
|
vredsum.vs v19, v12, v19
|
|
vmv.x.s t1, v17
|
|
sd t0, (a0)
|
|
vmv.x.s t2, v18
|
|
sd t1, 8(a0)
|
|
vmv.x.s t3, v19
|
|
sd t2, 16(a0)
|
|
sd t3, 24(a0)
|
|
ret
|
|
endfunc
|
|
#endif
|