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builtins: avoid endian.h in favour of compiler builtins 

Use the __BYTE_ORDER__ macro which has been available in GCC since 4.6 and is
available in clang as well.

llvm-svn: 220626
This commit is contained in:
Saleem Abdulrasool 2014-10-25 20:54:51 +00:00
parent d0b6a4ac67
commit d888169d75
1 changed files with 3 additions and 4 deletions
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7
compiler-rt/lib/builtins/int_endianness.h
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@ -85,15 +85,14 @@
/* .. */
#if defined(__linux__)
#include <endian.h>
#if __BYTE_ORDER == __BIG_ENDIAN
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define _YUGA_LITTLE_ENDIAN 0
#define _YUGA_BIG_ENDIAN 1
#elif __BYTE_ORDER == __LITTLE_ENDIAN
#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define _YUGA_LITTLE_ENDIAN 1
#define _YUGA_BIG_ENDIAN 0
#endif /* __BYTE_ORDER */
#endif /* __BYTE_ORDER__ */
#endif /* GNU/Linux */