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/*
* Copyright © 2022 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_int32_to_float_fmul_scalar_rvv, zve32f
NOHWF fmv.w.x fa0, a2
NOHWF mv a2, a3
1:
vsetvli t0, a2, e32, m1, ta, ma
vle32.v v24, (a1)
sub a2, a2, t0
vfcvt.f.x.v v24, v24
sh2add a1, t0, a1
vfmul.vf v24, v24, fa0
vse32.v v24, (a0)
sh2add a0, t0, a0
bnez a2, 1b
ret
endfunc
func ff_int32_to_float_fmul_array8_rvv, zve32f
srai a4, a4, 3
1: vsetvli t0, a4, e32, m1, ta, ma
vle32.v v24, (a3)
slli t2, t0, 2 + 3
vlseg8e32.v v16, (a2)
vsetvli t3, zero, e32, m8, ta, ma
vfcvt.f.x.v v16, v16
vsetvli zero, a4, e32, m1, ta, ma
vfmul.vv v16, v16, v24
sub a4, a4, t0
vfmul.vv v17, v17, v24
sh2add a3, t0, a3
vfmul.vv v18, v18, v24
add a2, a2, t2
vfmul.vv v19, v19, v24
vfmul.vv v20, v20, v24
vfmul.vv v21, v21, v24
vfmul.vv v22, v22, v24
vfmul.vv v23, v23, v24
vsseg8e32.v v16, (a1)
add a1, a1, t2
bnez a4, 1b
ret
endfunc
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