checkasm: Use a self-balancing tree
[ffmpeg.git] / tests / checkasm / bswapdsp.c
1 /*
2  * Copyright (c) 2015 Henrik Gramner
3  *
4  * This file is part of Libav.
5  *
6  * Libav is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * Libav is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with Libav; if not, write to the Free Software Foundation, Inc.,
18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  */
20
21 #include <string.h>
22 #include "checkasm.h"
23 #include "libavcodec/bswapdsp.h"
24 #include "libavutil/common.h"
25 #include "libavutil/internal.h"
26 #include "libavutil/intreadwrite.h"
27
28 #define BUF_SIZE 512
29
30 #define randomize_buffers()                 \
31     do {                                    \
32         int i;                              \
33         for (i = 0; i < BUF_SIZE; i += 4) { \
34             uint32_t r = rnd();             \
35             AV_WN32A(src0 + i, r);          \
36             AV_WN32A(src1 + i, r);          \
37             r = rnd();                      \
38             AV_WN32A(dst0 + i, r);          \
39             AV_WN32A(dst1 + i, r);          \
40         }                                   \
41     } while (0)
42
43 #define check_bswap(type)                                                                  \
44     do {                                                                                   \
45         int w;                                                                             \
46         declare_func(void, type *dst, const type *src, int w);                             \
47                                                                                            \
48         for (w = 0; w < BUF_SIZE / sizeof(type); w++) {                                    \
49             int offset = (BUF_SIZE / sizeof(type) - w) & 15; /* Test various alignments */ \
50             randomize_buffers();                                                           \
51             call_ref((type *)dst0 + offset, (type *)src0 + offset, w);                     \
52             call_new((type *)dst1 + offset, (type *)src1 + offset, w);                     \
53             if (memcmp(src0, src1, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE))              \
54                 fail();                                                                    \
55             bench_new((type *)dst1 + offset, (type *)src1 + offset, w);                    \
56         }                                                                                  \
57     } while (0)
58
59 void checkasm_check_bswapdsp(void)
60 {
61     LOCAL_ALIGNED_16(uint8_t, src0, [BUF_SIZE]);
62     LOCAL_ALIGNED_16(uint8_t, src1, [BUF_SIZE]);
63     LOCAL_ALIGNED_16(uint8_t, dst0, [BUF_SIZE]);
64     LOCAL_ALIGNED_16(uint8_t, dst1, [BUF_SIZE]);
65     BswapDSPContext h;
66
67     ff_bswapdsp_init(&h);
68
69     if (check_func(h.bswap_buf, "bswap_buf"))
70         check_bswap(uint32_t);
71
72     if (check_func(h.bswap16_buf, "bswap16_buf"))
73         check_bswap(uint16_t);
74
75     report("bswap");
76 }