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2025-06-04 20:36:23 -03:00

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C

#ifndef __LINUX_COMPILER_H
#define __LINUX_COMPILER_H
/* Somewhere in the middle of the GCC 2.96 development cycle, we implemented
a mechanism by which the user can annotate likely branch directions and
expect the blocks to be reordered appropriately. Define __builtin_expect
to nothing for earlier compilers. */
#if __GNUC__ == 2 && __GNUC_MINOR__ < 96
#define __builtin_expect(x, expected_value) (x)
#endif
#define likely(x) __builtin_expect((x),1)
#define unlikely(x) __builtin_expect((x),0)
#if __GNUC__ > 3
#define __attribute_used__ __attribute__((__used__))
#elif __GNUC__ == 3
#if __GNUC_MINOR__ >= 3
# define __attribute_used__ __attribute__((__used__))
#else
# define __attribute_used__ __attribute__((__unused__))
#endif /* __GNUC_MINOR__ >= 3 */
#elif __GNUC__ == 2
#define __attribute_used__ __attribute__((__unused__))
#else
#define __attribute_used__ /* not implemented */
#endif /* __GNUC__ */
#if __GNUC__ == 3
#if __GNUC_MINOR__ >= 1
# define inline __inline__ __attribute__((always_inline))
# define __inline__ __inline__ __attribute__((always_inline))
# define __inline __inline__ __attribute__((always_inline))
#endif
#endif
/* no checker support, so we unconditionally define this as (null) */
#define __user
#define __iomem
#endif /* __LINUX_COMPILER_H */