2022-09-26 16:52:40 +02:00
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/*
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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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2022-09-26 16:52:42 +02:00
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func ff_scalarproduct_int16_rvv, zve32x
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2022-10-16 12:53:19 +02:00
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vsetivli zero, 1, e32, m1, ta, ma
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2022-09-26 16:52:42 +02:00
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vmv.s.x v8, zero
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1:
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vsetvli t0, a2, e16, m1, ta, 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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vwmul.vv v0, v16, v24
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sh1add a1, t0, a1
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vsetvli zero, t0, e32, m2, ta, ma
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vredsum.vs v8, v0, v8
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bnez a2, 1b
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vmv.x.s a0, v8
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ret
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endfunc
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2022-09-26 16:52:40 +02:00
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func ff_vector_clip_int32_rvv, zve32x
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1:
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vsetvli t0, a4, e32, m1, 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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2022-09-26 16:52:41 +02:00
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func ff_vector_clipf_rvv, zve32f
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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, m1, 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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