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| author | sunyuechi <sunyuechi@iscas.ac.cn> | 2024-05-14 00:59:19 +0800 |
|---|---|---|
| committer | Rémi Denis-Courmont <remi@remlab.net> | 2024-05-15 19:52:28 +0300 |
| commit | b82d9f55d121e6172e268189195994cbb15de85b (patch) | |
| tree | 1faa60a8f7177e91915e2b517a6716272177406f /libavcodec/riscv/vp9_mc_rvi.S | |
| parent | aa9dbd91cfde09af2372b45680c184d02dc454b2 (diff) | |
| download | ffmpeg-b82d9f55d121e6172e268189195994cbb15de85b.tar.gz | |
lavc/vp9dsp: R-V mc copy
C908:
vp9_put4_8bpp_c: 0.7
vp9_put4_8bpp_rvi: 0.5
vp9_put8_8bpp_c: 2.5
vp9_put8_8bpp_rvi: 0.5
vp9_put16_8bpp_c: 16.7
vp9_put16_8bpp_rvi: 1.5
vp9_put32_8bpp_c: 37.2
vp9_put32_8bpp_rvi: 5.7
vp9_put64_8bpp_c: 107.5
vp9_put64_8bpp_rvi: 21.7
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
Diffstat (limited to 'libavcodec/riscv/vp9_mc_rvi.S')
| -rw-r--r-- | libavcodec/riscv/vp9_mc_rvi.S | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/libavcodec/riscv/vp9_mc_rvi.S b/libavcodec/riscv/vp9_mc_rvi.S new file mode 100644 index 0000000000..0db14e83c7 --- /dev/null +++ b/libavcodec/riscv/vp9_mc_rvi.S @@ -0,0 +1,105 @@ +/* + * 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_copy64_rvi +1: + addi a4, a4, -1 + ld t0, (a2) + ld t1, 8(a2) + ld t2, 16(a2) + ld t3, 24(a2) + ld t4, 32(a2) + ld t5, 40(a2) + ld t6, 48(a2) + ld a7, 56(a2) + sd t0, (a0) + sd t1, 8(a0) + sd t2, 16(a0) + sd t3, 24(a0) + sd t4, 32(a0) + sd t5, 40(a0) + sd t6, 48(a0) + sd a7, 56(a0) + add a2, a2, a3 + add a0, a0, a1 + bnez a4, 1b + + ret +endfunc + +func ff_copy32_rvi +1: + addi a4, a4, -1 + ld t0, (a2) + ld t1, 8(a2) + ld t2, 16(a2) + ld t3, 24(a2) + sd t0, (a0) + sd t1, 8(a0) + sd t2, 16(a0) + sd t3, 24(a0) + add a2, a2, a3 + add a0, a0, a1 + bnez a4, 1b + + ret +endfunc + +func ff_copy16_rvi +1: + addi a4, a4, -1 + ld t0, (a2) + ld t1, 8(a2) + sd t0, (a0) + sd t1, 8(a0) + add a2, a2, a3 + add a0, a0, a1 + bnez a4, 1b + + ret +endfunc + +func ff_copy8_rvi +1: + addi a4, a4, -1 + ld t0, (a2) + sd t0, (a0) + add a2, a2, a3 + add a0, a0, a1 + bnez a4, 1b + + ret +endfunc +#endif + +func ff_copy4_rvi +1: + addi a4, a4, -1 + lw t0, (a2) + sw t0, (a0) + add a2, a2, a3 + add a0, a0, a1 + bnez a4, 1b + + ret +endfunc |