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/*
* 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 "asm.S"
func ff_lls_update_covariance_rvv, zve64d, zbb
lpad 0
vtype_vli t0, a2, t1, e64, ta, ma
vsetvl zero, a2, t0
vle64.v v8, (a1)
1:
vfmv.f.s ft0, v8
vle64.v v16, (a0)
vfmacc.vf v16, ft0, v8
addi a2, a2, -1
vslidedown.vi v8, v8, 1
vse64.v v16, (a0)
addi a0, a0, (36 + 1) * 8 # 1 row + 1 element
bnez a2, 1b
ret
endfunc
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