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airekans/likely.c

Created December 24, 2014 09:05
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likely/unlikely macro in C
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likely.c
#ifdef HAVE_BUILTIN_EXPECT
#define LIKELY(x) __builtin_expect(!!(x), 1)
#define UNLIKELY(x) __builtin_expect(!!(x), 0)
#else
#define LIKELY(x) (x)
#define UNLIKELY(x) (x)
#endif
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