2 * Copyright (c) 2015 Henrik Gramner
4 * This file is part of FFmpeg.
6 * FFmpeg 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.
11 * FFmpeg 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.
16 * You should have received a copy of the GNU General Public License along
17 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "libavcodec/bswapdsp.h"
24 #include "libavutil/common.h"
25 #include "libavutil/internal.h"
26 #include "libavutil/intreadwrite.h"
30 #define randomize_buffers() \
33 for (i = 0; i < BUF_SIZE; i += 4) { \
35 AV_WN32A(src0 + i, r); \
36 AV_WN32A(src1 + i, r); \
38 AV_WN32A(dst0 + i, r); \
39 AV_WN32A(dst1 + i, r); \
43 #define check_bswap(type) \
46 declare_func(void, type *dst, const type *src, int w); \
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)) \
55 bench_new((type *)dst1 + offset, (type *)src1 + offset, w); \
59 void checkasm_check_bswapdsp(void)
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]);
69 if (check_func(h.bswap_buf, "bswap_buf"))
70 check_bswap(uint32_t);
72 if (check_func(h.bswap16_buf, "bswap16_buf"))
73 check_bswap(uint16_t);