mirror of
https://github.com/FFmpeg/FFmpeg.git
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b6585eb04c
The code was blindly assuming that Zbb or V implied Zba. While the earlier is practically always true, the later broke some QEMU setups, as V was introduced earlier than Zba.
75 lines
3.1 KiB
C
75 lines
3.1 KiB
C
/*
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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 <stdint.h>
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#include "config.h"
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/float_dsp.h"
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void ff_vector_fmul_rvv(float *dst, const float *src0, const float *src1,
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int len);
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void ff_vector_fmac_scalar_rvv(float *dst, const float *src, float mul,
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int len);
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void ff_vector_fmul_scalar_rvv(float *dst, const float *src, float mul,
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int len);
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void ff_vector_fmul_window_rvv(float *dst, const float *src0,
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const float *src1, const float *win, int len);
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void ff_vector_fmul_add_rvv(float *dst, const float *src0, const float *src1,
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const float *src2, int len);
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void ff_vector_fmul_reverse_rvv(float *dst, const float *src0,
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const float *src1, int len);
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void ff_butterflies_float_rvv(float *v1, float *v2, int len);
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float ff_scalarproduct_float_rvv(const float *v1, const float *v2, int len);
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void ff_vector_dmul_rvv(double *dst, const double *src0, const double *src1,
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int len);
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void ff_vector_dmac_scalar_rvv(double *dst, const double *src, double mul,
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int len);
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void ff_vector_dmul_scalar_rvv(double *dst, const double *src, double mul,
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int len);
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av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp)
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{
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#if HAVE_RVV
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int flags = av_get_cpu_flags();
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if (flags & AV_CPU_FLAG_RVB_ADDR) {
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if (flags & AV_CPU_FLAG_RVV_F32) {
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fdsp->vector_fmul = ff_vector_fmul_rvv;
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fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_rvv;
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fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_rvv;
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fdsp->vector_fmul_window = ff_vector_fmul_window_rvv;
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fdsp->vector_fmul_add = ff_vector_fmul_add_rvv;
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fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_rvv;
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fdsp->butterflies_float = ff_butterflies_float_rvv;
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fdsp->scalarproduct_float = ff_scalarproduct_float_rvv;
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}
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if (flags & AV_CPU_FLAG_RVV_F64) {
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fdsp->vector_dmul = ff_vector_dmul_rvv;
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fdsp->vector_dmac_scalar = ff_vector_dmac_scalar_rvv;
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fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_rvv;
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}
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}
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#endif
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}
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