diff options
Diffstat (limited to 'contrib/compiler-rt/lib/builtins/int_endianness.h')
| -rw-r--r-- | contrib/compiler-rt/lib/builtins/int_endianness.h | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/contrib/compiler-rt/lib/builtins/int_endianness.h b/contrib/compiler-rt/lib/builtins/int_endianness.h index 4b35bde..7995ddb 100644 --- a/contrib/compiler-rt/lib/builtins/int_endianness.h +++ b/contrib/compiler-rt/lib/builtins/int_endianness.h @@ -16,6 +16,20 @@ #ifndef INT_ENDIANNESS_H #define INT_ENDIANNESS_H +#if defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \ + defined(__ORDER_LITTLE_ENDIAN__) + +/* Clang and GCC provide built-in endianness definitions. */ +#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ +#define _YUGA_LITTLE_ENDIAN 0 +#define _YUGA_BIG_ENDIAN 1 +#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ +#define _YUGA_LITTLE_ENDIAN 1 +#define _YUGA_BIG_ENDIAN 0 +#endif /* __BYTE_ORDER__ */ + +#else /* Compilers other than Clang or GCC. */ + #if defined(__SVR4) && defined(__sun) #include <sys/byteorder.h> @@ -84,18 +98,6 @@ /* .. */ -#if defined(__linux__) - -#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ -#define _YUGA_LITTLE_ENDIAN 0 -#define _YUGA_BIG_ENDIAN 1 -#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ -#define _YUGA_LITTLE_ENDIAN 1 -#define _YUGA_BIG_ENDIAN 0 -#endif /* __BYTE_ORDER__ */ - -#endif /* GNU/Linux */ - #if defined(_WIN32) #define _YUGA_LITTLE_ENDIAN 1 @@ -103,6 +105,8 @@ #endif /* Windows */ +#endif /* Clang or GCC. */ + /* . */ #if !defined(_YUGA_LITTLE_ENDIAN) || !defined(_YUGA_BIG_ENDIAN) |
