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
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* Copyright (c) 2005
* Eric Anholt. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <liboil/liboilclasses.h>
#include <liboil/liboilfunction.h>
#include <emmintrin.h>
#ifdef HAVE_I386
#define SSE_FUNCTION __attribute__((force_align_arg_pointer))
#endif
#ifdef ENABLE_BROKEN_IMPLS
union m128_int {
__m128i m128;
uint32_t i[4];
uint16_t s[8];
};
SSE_FUNCTION static void
sad8x8_u8_sse (uint32_t *dest, uint8_t *src1, int sstr1, uint8_t *src2,
int sstr2)
{
int i;
__m128i sum = _mm_setzero_si128();
union m128_int sumi;
for (i = 0; i < 4; i++) {
__m128i xmm0, xmm1, xmm2, xmm3;
xmm0 = _mm_loadl_epi64((__m128i *)src1);
xmm1 = _mm_loadl_epi64((__m128i *)(src1 + sstr1));
xmm2 = _mm_loadl_epi64((__m128i *)src2);
xmm3 = _mm_loadl_epi64((__m128i *)(src2 + sstr2));
xmm0 = _mm_unpacklo_epi8(xmm0, xmm1);
xmm2 = _mm_unpacklo_epi8(xmm2, xmm3);
sum = _mm_add_epi64(sum, _mm_sad_epu8(xmm0, xmm2));
src1 += 2 * sstr1;
src2 += 2 * sstr2;
}
sumi.m128 = sum;
*dest = sumi.i[0] + sumi.i[2];
}
OIL_DEFINE_IMPL_FULL_WRAPPER(sad8x8_u8_sse, sad8x8_u8, OIL_IMPL_FLAG_SSE2);
#endif
|
