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kernel/linux-imx6_3.14.28/tools/include/linux/compiler.h 680 Bytes
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  #ifndef _TOOLS_LINUX_COMPILER_H_
  #define _TOOLS_LINUX_COMPILER_H_
  
  #ifndef __always_inline
  # define __always_inline	inline __attribute__((always_inline))
  #endif
  
  #define __user
  
  #ifndef __attribute_const__
  # define __attribute_const__
  #endif
  
  #ifndef __maybe_unused
  # define __maybe_unused		__attribute__((unused))
  #endif
  
  #ifndef __packed
  # define __packed		__attribute__((__packed__))
  #endif
  
  #ifndef __force
  # define __force
  #endif
  
  #ifndef __weak
  # define __weak			__attribute__((weak))
  #endif
  
  #ifndef likely
  # define likely(x)		__builtin_expect(!!(x), 1)
  #endif
  
  #ifndef unlikely
  # define unlikely(x)		__builtin_expect(!!(x), 0)
  #endif
  
  #endif /* _TOOLS_LINUX_COMPILER_H */