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2ba45a60 DM |
1 | /* |
2 | * This file is part of FFmpeg. | |
3 | * | |
4 | * FFmpeg is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU Lesser General Public | |
6 | * License as published by the Free Software Foundation; either | |
7 | * version 2.1 of the License, or (at your option) any later version. | |
8 | * | |
9 | * FFmpeg is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * Lesser General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU Lesser General Public | |
15 | * License along with FFmpeg; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | */ | |
18 | ||
19 | /** | |
20 | * @file | |
21 | * byte swapping routines | |
22 | */ | |
23 | ||
24 | #ifndef AVUTIL_SH4_BSWAP_H | |
25 | #define AVUTIL_SH4_BSWAP_H | |
26 | ||
27 | #include <stdint.h> | |
28 | #include "config.h" | |
29 | #include "libavutil/attributes.h" | |
30 | ||
31 | #define av_bswap16 av_bswap16 | |
32 | static av_always_inline av_const uint16_t av_bswap16(uint16_t x) | |
33 | { | |
34 | __asm__("swap.b %0,%0" : "+r"(x)); | |
35 | return x; | |
36 | } | |
37 | ||
38 | #define av_bswap32 av_bswap32 | |
39 | static av_always_inline av_const uint32_t av_bswap32(uint32_t x) | |
40 | { | |
41 | __asm__("swap.b %0,%0\n" | |
42 | "swap.w %0,%0\n" | |
43 | "swap.b %0,%0\n" | |
44 | : "+r"(x)); | |
45 | return x; | |
46 | } | |
47 | ||
48 | #endif /* AVUTIL_SH4_BSWAP_H */ |