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| /* | |
| * Copyright © 2022 Rémi Denis-Courmont. | |
| * | |
| * 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" | |
| func ff_get_pixels_8_rvv, zve32x | |
| vsetivli zero, 8, e8, mf2, ta, ma | |
| vlsseg8e8.v v16, (a1), a2 | |
| vwcvtu.x.x.v v8, v16 | |
| vwcvtu.x.x.v v9, v17 | |
| vwcvtu.x.x.v v10, v18 | |
| vwcvtu.x.x.v v11, v19 | |
| vwcvtu.x.x.v v12, v20 | |
| vwcvtu.x.x.v v13, v21 | |
| vwcvtu.x.x.v v14, v22 | |
| vwcvtu.x.x.v v15, v23 | |
| vsseg8e16.v v8, (a0) | |
| ret | |
| endfunc | |
| func ff_get_pixels_16_rvv, zve32x | |
| vsetivli zero, 8, e16, m1, ta, ma | |
| vlsseg8e16.v v0, (a1), a2 | |
| vsseg8e16.v v0, (a0) | |
| ret | |
| endfunc | |
| func ff_diff_pixels_rvv, zve32x | |
| vsetivli zero, 8, e8, mf2, ta, ma | |
| vlsseg8e8.v v16, (a1), a3 | |
| vlsseg8e8.v v24, (a2), a3 | |
| vwsubu.vv v8, v16, v24 | |
| vwsubu.vv v9, v17, v25 | |
| vwsubu.vv v10, v18, v26 | |
| vwsubu.vv v11, v19, v27 | |
| vwsubu.vv v12, v20, v28 | |
| vwsubu.vv v13, v21, v29 | |
| vwsubu.vv v14, v22, v30 | |
| vwsubu.vv v15, v23, v31 | |
| vsseg8e16.v v8, (a0) | |
| ret | |
| endfunc | |