mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-02 03:06:28 +02:00
70 lines
2.0 KiB
ArmAsm
70 lines
2.0 KiB
ArmAsm
/*
|
|
* Copyright (c) 2023 Institue of Software Chinese Academy of Sciences (ISCAS).
|
|
* 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 "libavutil/riscv/asm.S"
|
|
|
|
func ff_abs_pow34_rvv, zve32f
|
|
1:
|
|
vsetvli t0, a2, e32, m8, ta, ma
|
|
sub a2, a2, t0
|
|
vle32.v v0, (a1)
|
|
sh2add a1, t0, a1
|
|
vfabs.v v0, v0
|
|
vfsqrt.v v8, v0
|
|
vfmul.vv v8, v8, v0
|
|
vfsqrt.v v8, v8
|
|
vse32.v v8, (a0)
|
|
sh2add a0, t0, a0
|
|
bnez a2, 1b
|
|
|
|
ret
|
|
endfunc
|
|
|
|
func ff_aac_quant_bands_rvv, zve32f
|
|
NOHWF fmv.w.x fa0, a6
|
|
NOHWF fmv.w.x fa1, a7
|
|
fcvt.s.w ft0, a5
|
|
bnez a4, .L1 # signed?
|
|
.irp signed, 0, 1
|
|
.L\signed:
|
|
vsetvli t0, a3, e32, m8, ta, ma
|
|
vle32.v v16, (a2)
|
|
sub a3, a3, t0
|
|
.if \signed
|
|
vle32.v v8, (a1)
|
|
sh2add a1, t0, a1
|
|
.endif
|
|
vfmul.vf v16, v16, fa0
|
|
sh2add a2, t0, a2
|
|
vfadd.vf v16, v16, fa1
|
|
vfmin.vf v16, v16, ft0
|
|
.if \signed
|
|
vfsgnjx.vv v16, v16, v8
|
|
.endif
|
|
vfcvt.rtz.x.f.v v16, v16
|
|
vse32.v v16, (a0)
|
|
sh2add a0, t0, a0
|
|
bnez a3, .L\signed
|
|
|
|
ret
|
|
.endr
|
|
endfunc
|