1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/*
* 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 "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);
}
}
|
