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(libretro-common) Fix retro_endianness.h

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This commit is contained in:
twinaphex 2020-04-21 00:46:48 +02:00
parent 3529f2da4c
commit 3a2a365ec9
1 changed files with 17 additions and 20 deletions
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37
libretro-common/include/retro_endianness.h
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@ -76,26 +76,23 @@
#include <winsock2.h>
#endif
#if defined (BYTE_ORDER) && defined (BIG_ENDIAN) && defined (LITTLE_ENDIAN)
# if BYTE_ORDER == BIG_ENDIAN
# define MSB_FIRST 1
# elif BYTE_ORDER == LITTLE_ENDIAN
# define LSB_FIRST 1
# else
# error "Invalid endianness macros"
# endif
#elif defined (__BYTE_ORDER__) && defined (__ORDER_BIG_ENDIAN__) && defined (__ORDER_LITTLE_ENDIAN__)
# if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
# define MSB_FIRST 1
# elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
# define LSB_FIRST 1
# else
# error "Invalid endianness macros"
# endif
#elif defined (__i386__) || defined(__x86_64__)
# define LSB_FIRST 1
#else
# error "Unknown platform"
#ifdef _MSC_VER
# if _M_IX86 || _M_AMD64 || _M_ARM || _M_ARM64
# define MSB_FIRST 1
# elif _M_PPC
# define LSB_FIRST 1
# else
/* MSVC can run on _M_ALPHA and _M_IA64 too, but they're both bi-endian; need to find what mode MSVC runs them at */
# error "unknown platform, can't determine endianness"
# endif
#else
# if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
# define MSB_FIRST 1
# elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
# define LSB_FIRST 1
# else
# error "Invalid endianness macros"
# endif
#endif
#if defined(MSB_FIRST) && defined(LSB_FIRST)