mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
1.4 KiB
38 lines
1.4 KiB
/* |
|
* 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); |
|
} |
|
}
|
|
|