mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-02 03:06:28 +02:00
7e22514d98
* qatar/master:
float_dsp: ppc: add a separate header for Altivec function prototypes
ARM: fix float_dsp breakage from d5a7229
Add a float DSP framework to libavutil
PPC: Move types_altivec.h and util_altivec.h from libavcodec to libavutil
ARM: Move asm.S from libavcodec to libavutil
vc1dsp: mark put/avg_vc1_mspel_mc() always_inline
Merged-by: Michael Niedermayer <michaelni@gmx.at>
39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
/*
|
|
* Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org>
|
|
*
|
|
* 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 "util_altivec.h"
|
|
#include "float_dsp_altivec.h"
|
|
|
|
void ff_vector_fmul_altivec(float *dst, const float *src0, const float *src1,
|
|
int len)
|
|
{
|
|
int i;
|
|
vector float d0, d1, s, zero = (vector float)vec_splat_u32(0);
|
|
for (i = 0; i < len - 7; i += 8) {
|
|
d0 = vec_ld( 0, src0 + i);
|
|
s = vec_ld( 0, src1 + i);
|
|
d1 = vec_ld(16, src0 + i);
|
|
d0 = vec_madd(d0, s, zero);
|
|
d1 = vec_madd(d1, vec_ld(16, src1 + i), zero);
|
|
vec_st(d0, 0, dst + i);
|
|
vec_st(d1, 16, dst + i);
|
|
}
|
|
}
|