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37 lines
1.2 KiB
37 lines
1.2 KiB
/* |
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* Copyright © 2023 Rémi Denis-Courmont. |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/riscv/asm.S" |
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func ff_llvidenc_diff_bytes_rvv, zve32x |
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1: |
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vsetvli t0, a3, e8, m8, ta, ma |
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vle8.v v0, (a1) |
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sub a3, a3, t0 |
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vle8.v v8, (a2) |
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add a1, t0, a1 |
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vsub.vv v8, v0, v8 |
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add a2, t0, a2 |
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vse8.v v8, (a0) |
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add a0, t0, a0 |
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bnez a3, 1b |
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ret |
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endfunc
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