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75 lines
2.1 KiB
75 lines
2.1 KiB
/* |
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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_scalarproduct_int16_rvv, zve32x, zba |
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lpad 0 |
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vsetvli t0, zero, e32, m8, ta, ma |
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vmv.v.x v8, zero |
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vmv.s.x v0, zero |
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1: |
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vsetvli t0, a2, e16, m4, tu, ma |
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vle16.v v16, (a0) |
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sub a2, a2, t0 |
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vle16.v v24, (a1) |
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sh1add a0, t0, a0 |
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vwmacc.vv v8, v16, v24 |
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sh1add a1, t0, a1 |
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bnez a2, 1b |
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vsetvli t0, zero, e32, m8, ta, ma |
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vredsum.vs v0, v8, v0 |
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vmv.x.s a0, v0 |
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ret |
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endfunc |
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func ff_vector_clip_int32_rvv, zve32x, zba |
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1: |
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vsetvli t0, a4, e32, m8, ta, ma |
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vle32.v v8, (a1) |
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sub a4, a4, t0 |
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vmax.vx v8, v8, a2 |
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sh2add a1, t0, a1 |
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vmin.vx v8, v8, a3 |
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vse32.v v8, (a0) |
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sh2add a0, t0, a0 |
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bnez a4, 1b |
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ret |
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endfunc |
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func ff_vector_clipf_rvv, zve32f, zba |
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lpad 0 |
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NOHWF fmv.w.x fa0, a3 |
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NOHWF fmv.w.x fa1, a4 |
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1: |
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vsetvli t0, a2, e32, m8, ta, ma |
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vle32.v v8, (a1) |
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sub a2, a2, t0 |
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vfmax.vf v8, v8, fa0 |
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sh2add a1, t0, a1 |
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vfmin.vf v8, v8, fa1 |
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vse32.v v8, (a0) |
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sh2add a0, t0, a0 |
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bnez a2, 1b |
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ret |
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endfunc
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