diff options
| -rw-r--r-- | src/xine-engine/bswap.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/xine-engine/bswap.h b/src/xine-engine/bswap.h index 018ac10f5..f1db98090 100644 --- a/src/xine-engine/bswap.h +++ b/src/xine-engine/bswap.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2000-2009 the xine project + * Copyright (C) 2000-2014 the xine project * * This file is part of xine, a free video player. * @@ -71,6 +71,25 @@ ((uint64_t)(((uint8_t*)(x))[1]) << 8) | \ ((uint64_t)((uint8_t*)(x))[0])) +/* Tested with gcc 4.5 */ +#if defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ > 4)) +# undef _X_BE_32 +# undef _X_BE_64 +# undef _X_LE_32 +# undef _X_LE_64 +# ifdef WORDS_BIGENDIAN +# define _X_LE_32(x) ({ int32_t tempi; __builtin_memcpy (&tempi, (x), 4); (uint32_t)(__builtin_bswap32 (tempi)); }) +# define _X_LE_64(x) ({ int64_t tempi; __builtin_memcpy (&tempi, (x), 8); (uint64_t)(__builtin_bswap64 (tempi)); }) +# define _X_BE_32(x) ({ uint32_t tempi; __builtin_memcpy (&tempi, (x), 4); tempi; }) +# define _X_BE_64(x) ({ uint64_t tempi; __builtin_memcpy (&tempi, (x), 8); tempi; }) +# else +# define _X_BE_32(x) ({ int32_t tempi; __builtin_memcpy (&tempi, (x), 4); (uint32_t)(__builtin_bswap32 (tempi)); }) +# define _X_BE_64(x) ({ int64_t tempi; __builtin_memcpy (&tempi, (x), 8); (uint64_t)(__builtin_bswap64 (tempi)); }) +# define _X_LE_32(x) ({ uint32_t tempi; __builtin_memcpy (&tempi, (x), 4); tempi; }) +# define _X_LE_64(x) ({ uint64_t tempi; __builtin_memcpy (&tempi, (x), 8); tempi; }) +# endif +#endif + #ifdef WORDS_BIGENDIAN #define _X_ME_16(x) _X_BE_16(x) #define _X_ME_32(x) _X_BE_32(x) |