You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

51 lines
1.5 KiB

/*
* 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_sbr_sum64x5_rvv, zve32f
li a5, 64
addi a1, a0, 64 * 4
addi a2, a0, 128 * 4
addi a3, a0, 192 * 4
addi a4, a0, 256 * 4
1:
vsetvli t0, a5, e32, m8, ta, ma
sub a5, a5, t0
vle32.v v0, (a0)
vle32.v v8, (a1)
sh2add a1, t0, a1
vle32.v v16, (a2)
vfadd.vv v0, v0, v8
sh2add a2, t0, a2
vle32.v v24, (a3)
vfadd.vv v0, v0, v16
sh2add a3, t0, a3
vle32.v v8, (a4)
vfadd.vv v0, v0, v24
sh2add a4, t0, a4
vfadd.vv v0, v0, v8
vse32.v v0, (a0)
sh2add a0, t0, a0
bnez a5, 1b
ret
endfunc