diff options
| author | sunyuechi <sunyuechi@iscas.ac.cn> | 2024-02-03 10:58:13 +0800 |
|---|---|---|
| committer | Rémi Denis-Courmont <remi@remlab.net> | 2024-02-21 20:08:25 +0200 |
| commit | b41e115ddec4f2566246919a42990f529766f436 (patch) | |
| tree | 58b5fff48e54a3fa97b8770319cd6c508d9f13fc /libavcodec/riscv/me_cmp_rvv.S | |
| parent | e9cc9e492f987ce23ce8c514258a17952dd20401 (diff) | |
| download | ffmpeg-b41e115ddec4f2566246919a42990f529766f436.tar.gz | |
lavc/me_cmp: R-V V pix_abs
C908:
pix_abs_0_0_c: 534.0
pix_abs_0_0_rvv_i32: 136.2
pix_abs_1_0_c: 287.7
pix_abs_1_0_rvv_i32: 125.2
sad_0_c: 534.0
sad_0_rvv_i32: 136.2
sad_1_c: 287.7
sad_1_rvv_i32: 125.2
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
Diffstat (limited to 'libavcodec/riscv/me_cmp_rvv.S')
| -rw-r--r-- | libavcodec/riscv/me_cmp_rvv.S | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/libavcodec/riscv/me_cmp_rvv.S b/libavcodec/riscv/me_cmp_rvv.S new file mode 100644 index 0000000000..8dadf39bc7 --- /dev/null +++ b/libavcodec/riscv/me_cmp_rvv.S @@ -0,0 +1,67 @@ +/* + * 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" + +.macro pix_abs_ret + vsetivli zero, 1, e32, m1, ta, ma + vmv.x.s a0, v0 + ret +.endm + +func ff_pix_abs16_rvv, zve32x + vsetivli zero, 1, e32, m1, ta, ma + vmv.s.x v0, zero +1: + vsetivli zero, 16, e8, m1, tu, ma + vle8.v v4, (a1) + vle8.v v12, (a2) + addi a4, a4, -1 + vwsubu.vv v16, v4, v12 + add a1, a1, a3 + vwsubu.vv v20, v12, v4 + vsetvli zero, zero, e16, m2, tu, ma + vmax.vv v16, v16, v20 + add a2, a2, a3 + vwredsum.vs v0, v16, v0 + bnez a4, 1b + + pix_abs_ret +endfunc + +func ff_pix_abs8_rvv, zve32x + vsetivli zero, 1, e32, m1, ta, ma + vmv.s.x v0, zero +1: + vsetivli zero, 8, e8, mf2, tu, ma + vle8.v v4, (a1) + vle8.v v12, (a2) + addi a4, a4, -1 + vwsubu.vv v16, v4, v12 + add a1, a1, a3 + vwsubu.vv v20, v12, v4 + vsetvli zero, zero, e16, m1, tu, ma + vmax.vv v16, v16, v20 + add a2, a2, a3 + vwredsum.vs v0, v16, v0 + bnez a4, 1b + + pix_abs_ret +endfunc |