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
71
72
73
|
/*
* Copyright (c) 2015 Henrik Gramner
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU 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 <string.h>
#include "checkasm.h"
#include "libavcodec/bswapdsp.h"
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#define BUF_SIZE 512
#define randomize_buffers()\
do {\
int i;\
for (i = 0; i < BUF_SIZE; i += 4) {\
uint32_t r = rnd();\
AV_WN32A(src0+i, r);\
AV_WN32A(src1+i, r);\
r = rnd();\
AV_WN32A(dst0+i, r);\
AV_WN32A(dst1+i, r);\
}\
} while (0)
#define check_bswap(type)\
do {\
int w;\
for (w = 0; w < BUF_SIZE/sizeof(type); w++) {\
int offset = (BUF_SIZE/sizeof(type) - w) & 15; /* Test various alignments */\
randomize_buffers();\
call_ref((type*)dst0+offset, (type*)src0+offset, w);\
call_new((type*)dst1+offset, (type*)src1+offset, w);\
if (memcmp(src0, src1, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE))\
fail();\
bench_new((type*)dst1+offset, (type*)src1+offset, w);\
}\
} while (0)
void checkasm_check_bswapdsp(void)
{
DECLARE_ALIGNED(16, uint8_t, src0)[BUF_SIZE];
DECLARE_ALIGNED(16, uint8_t, src1)[BUF_SIZE];
DECLARE_ALIGNED(16, uint8_t, dst0)[BUF_SIZE];
DECLARE_ALIGNED(16, uint8_t, dst1)[BUF_SIZE];
BswapDSPContext h;
ff_bswapdsp_init(&h);
if (check_func(h.bswap_buf, "bswap_buf"))
check_bswap(uint32_t);
if (check_func(h.bswap16_buf, "bswap16_buf"))
check_bswap(uint16_t);
report("bswap");
}
|