assume.h

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#ifndef RUBY_BACKWARD2_ASSUME_H                      /*-*-C++-*-vi:se ft=cpp:*/
#define RUBY_BACKWARD2_ASSUME_H
#include "ruby/internal/config.h"
#include "ruby/internal/assume.h"
#include "ruby/internal/has/builtin.h"
 
#define ASSUME             RBIMPL_ASSUME             
#define UNREACHABLE        RBIMPL_UNREACHABLE()      
#define UNREACHABLE_RETURN RBIMPL_UNREACHABLE_RETURN 
/* likely */
#if RBIMPL_HAS_BUILTIN(__builtin_expect)
# define RB_LIKELY(x)   (__builtin_expect(!!(x), 1))
 
# define RB_UNLIKELY(x) (__builtin_expect(!!(x), 0))
#else
# define RB_LIKELY(x)   (x)
# define RB_UNLIKELY(x) (x)
#endif
 
#endif /* RUBY_BACKWARD2_ASSUME_H */