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FFmpeg/libavcodec/riscv/vp9_intra_rvi.S

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/*
* Copyright (c) 2024 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 "libavutil/riscv/asm.S"
#if __riscv_xlen >= 64
func ff_v_32x32_rvi
ld t0, (a3)
ld t1, 8(a3)
ld t2, 16(a3)
ld t3, 24(a3)
.rept 16
add a7, a0, a1
sd t0, (a0)
sd t1, 8(a0)
sd t2, 16(a0)
sd t3, 24(a0)
sh1add a0, a1, a0
sd t0, (a7)
sd t1, 8(a7)
sd t2, 16(a7)
sd t3, 24(a7)
.endr
ret
endfunc
func ff_v_16x16_rvi
ld t0, (a3)
ld t1, 8(a3)
.rept 8
add a7, a0, a1
sd t0, (a0)
sd t1, 8(a0)
sh1add a0, a1, a0
sd t0, (a7)
sd t1, 8(a7)
.endr
ret
endfunc
func ff_v_8x8_rvi
ld t0, (a3)
.rept 4
add a7, a0, a1
sd t0, (a0)
sh1add a0, a1, a0
sd t0, (a7)
.endr
ret
endfunc
#endif