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https://git.ffmpeg.org/ffmpeg.git
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60 lines
1.8 KiB
ArmAsm
60 lines
1.8 KiB
ArmAsm
/*
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* Copyright © 2022 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_get_pixels_8_rvv, zve32x
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vsetivli zero, 8, e8, mf2, ta, ma
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vlsseg8e8.v v16, (a1), a2
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vwcvtu.x.x.v v8, v16
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vwcvtu.x.x.v v9, v17
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vwcvtu.x.x.v v10, v18
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vwcvtu.x.x.v v11, v19
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vwcvtu.x.x.v v12, v20
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vwcvtu.x.x.v v13, v21
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vwcvtu.x.x.v v14, v22
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vwcvtu.x.x.v v15, v23
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vsseg8e16.v v8, (a0)
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ret
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endfunc
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func ff_get_pixels_16_rvv, zve32x
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vsetivli zero, 8, e16, m1, ta, ma
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vlsseg8e16.v v0, (a1), a2
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vsseg8e16.v v0, (a0)
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ret
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endfunc
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func ff_diff_pixels_rvv, zve32x
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vsetivli zero, 8, e8, mf2, ta, ma
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vlsseg8e8.v v16, (a1), a3
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vlsseg8e8.v v24, (a2), a3
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vwsubu.vv v8, v16, v24
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vwsubu.vv v9, v17, v25
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vwsubu.vv v10, v18, v26
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vwsubu.vv v11, v19, v27
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vwsubu.vv v12, v20, v28
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vwsubu.vv v13, v21, v29
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vwsubu.vv v14, v22, v30
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vwsubu.vv v15, v23, v31
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vsseg8e16.v v8, (a0)
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ret
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endfunc
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