Differential D7629 Diff 23946 src/secp256k1/src/util.h

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src/secp256k1/src/util.h

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#if defined(_WIN32)		#if defined(_WIN32)
# define I64FORMAT "I64d"		# define I64FORMAT "I64d"
# define I64uFORMAT "I64u"		# define I64uFORMAT "I64u"
#else		#else
# define I64FORMAT "lld"		# define I64FORMAT "lld"
# define I64uFORMAT "llu"		# define I64uFORMAT "llu"
#endif		#endif

#if defined(HAVE___INT128)
# if defined(__GNUC__)		#if defined(__GNUC__)
# define SECP256K1_GNUC_EXT __extension__		# define SECP256K1_GNUC_EXT __extension__
# else		#else
# define SECP256K1_GNUC_EXT		# define SECP256K1_GNUC_EXT
# endif		#endif
SECP256K1_GNUC_EXT typedef unsigned __int128 uint128_t;
#endif

#if defined(__BYTE_ORDER__)		#if defined(__BYTE_ORDER__)
# if defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ && !defined(SECP256K1_LITTLE_ENDIAN)		# if defined(__ORDER_LITTLE_ENDIAN__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ && !defined(SECP256K1_LITTLE_ENDIAN)
# define SECP256K1_LITTLE_ENDIAN		# define SECP256K1_LITTLE_ENDIAN
# elif defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ && !defined(SECP256K1_BIG_ENDIAN)		# elif defined(__ORDER_BIG_ENDIAN__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ && !defined(SECP256K1_BIG_ENDIAN)
# define SECP256K1_BIG_ENDIAN		# define SECP256K1_BIG_ENDIAN
# endif		# endif
#endif		#endif
Show All 33 Lines	static SECP256K1_INLINE void secp256k1_int_cmov(int r, const int a, int flag) {
mask0 = (unsigned int)vflag + ~0u;		mask0 = (unsigned int)vflag + ~0u;
mask1 = ~mask0;		mask1 = ~mask0;
r_masked = ((unsigned int)*r & mask0);		r_masked = ((unsigned int)*r & mask0);
a_masked = ((unsigned int)*a & mask1);		a_masked = ((unsigned int)*a & mask1);

*r = (int)(r_masked \| a_masked);		*r = (int)(r_masked \| a_masked);
}		}

		/* If USE_FORCE_WIDEMUL_{INT128,INT64} is set, use that wide multiplication implementation.
		* Otherwise use the presence of __SIZEOF_INT128__ to decide.
		*/
		#if defined(USE_FORCE_WIDEMUL_INT128)
		# define SECP256K1_WIDEMUL_INT128 1
		#elif defined(USE_FORCE_WIDEMUL_INT64)
		# define SECP256K1_WIDEMUL_INT64 1
		#elif defined(__SIZEOF_INT128__)
		# define SECP256K1_WIDEMUL_INT128 1
		#else
		# define SECP256K1_WIDEMUL_INT64 1
		#endif
		#if defined(SECP256K1_WIDEMUL_INT128)
		SECP256K1_GNUC_EXT typedef unsigned __int128 uint128_t;
		#endif

#endif /* SECP256K1_UTIL_H */		#endif /* SECP256K1_UTIL_H */