ffmpeg/libavutil/ppc/float_dsp_init.c

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/*
* Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/cpu.h"
#include "libavutil/float_dsp.h"
extern void ff_vector_fmul_altivec(float *dst, const float *src0,
const float *src1, int len);
void ff_float_dsp_init_ppc(AVFloatDSPContext *fdsp, int bit_exact)
{
#if HAVE_ALTIVEC
int mm_flags = av_get_cpu_flags();
if (!(mm_flags & AV_CPU_FLAG_ALTIVEC))
return;
fdsp->vector_fmul = ff_vector_fmul_altivec;
#endif
}