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https://git.ffmpeg.org/ffmpeg.git
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68 lines
1.8 KiB
ArmAsm
68 lines
1.8 KiB
ArmAsm
/*
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* Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS).
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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_clear_block_rvv, zve64x
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lpad 0
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vsetivli zero, 16, e64, m8, ta, ma
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vmv.v.i v0, 0
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vse64.v v0, (a0)
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ret
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endfunc
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func ff_clear_blocks_rvv, zve64x
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lpad 0
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vsetivli zero, 16, e64, m8, ta, ma
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vmv.v.i v0, 0
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.rept 5
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vse64.v v0, (a0)
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addi a0, a0, 128
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.endr
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vse64.v v0, (a0)
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ret
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endfunc
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func ff_fill_block16_rvv, zve32x
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lpad 0
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vsetivli t0, 16, e8, m1, ta, ma
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vmv.v.x v8, a1
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1:
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addi a3, a3, -1
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vse8.v v8, (a0)
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add a0, a0, a2
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bnez a3, 1b
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ret
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endfunc
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func ff_fill_block8_rvv, zve64x
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lpad 0
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vsetvli t0, zero, e8, m4, ta, ma
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vmv.v.x v8, a1
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vsetvli t0, a3, e64, m4, ta, ma
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vsse64.v v8, (a0), a2
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ret
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endfunc
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