bitops.h File Reference

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Data Structures
struct	compress_main_t

Macros
#define	foreach_set_bit(var, mask, body)

Functions
always_inline uword	count_set_bits (uword x)
always_inline void	compress_init (compress_main_t *cm, uword mask)
always_inline uword	compress_bits (compress_main_t *cm, uword x)
always_inline uword	rotate_left (uword x, uword i)
always_inline uword	rotate_right (uword x, uword i)
always_inline uword	next_with_same_number_of_set_bits (uword x)

Macro Definition Documentation

#define foreach_set_bit	(		var,
			mask,
			body
	)

Value:

do {                                                                    \
  uword _foreach_set_bit_m_##var = (mask);                              \
  uword _foreach_set_bit_f_##var;                                       \
  while (_foreach_set_bit_m_##var != 0)                                 \
    {                                                                   \
      _foreach_set_bit_f_##var = first_set (_foreach_set_bit_m_##var);  \
      _foreach_set_bit_m_##var ^= _foreach_set_bit_f_##var;             \
      (var) = min_log2 (_foreach_set_bit_f_##var);                      \
      do { body; } while (0);                                           \
    }                                                                   \
} while (0)

Definition at line 146 of file bitops.h.

Function Documentation

always_inline uword compress_bits	(	compress_main_t *	cm,
		uword	x
	)

Definition at line 108 of file bitops.h.

always_inline void compress_init	(	compress_main_t *	cm,
		uword	mask
	)

Definition at line 81 of file bitops.h.

always_inline uword count_set_bits

(

uword

x

)

Definition at line 44 of file bitops.h.

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always_inline uword next_with_same_number_of_set_bits

(

uword

x

)

Definition at line 136 of file bitops.h.

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always_inline uword rotate_left	(	uword	x,
		uword	i
	)

Definition at line 126 of file bitops.h.

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always_inline uword rotate_right	(	uword	x,
		uword	i
	)

Definition at line 130 of file bitops.h.