fpbits.h File Reference

Go to the source code of this file.

Macros
#define	HOSTWDSZ   32
#define	Bitfield_extract(start, length, object)
#define	Bitfield_signed_extract(start, length, object)   ((int)((object) << start) >> (HOSTWDSZ - (length)))
#define	Bitfield_mask(start, len, object)   ((object) & (((unsigned)-1 >> (HOSTWDSZ-len)) << (HOSTWDSZ-start-len)))
#define	Bitfield_deposit(value, start, len, object)

Macro Definition Documentation

#define Bitfield_deposit	(		value,
			start,
			len,
			object
	)

Value:

object = \
    ((object) & ~(((unsigned)-1 >> (HOSTWDSZ-len)) << (HOSTWDSZ-start-len))) | \
    (((value) & ((unsigned)-1 >> (HOSTWDSZ-len))) << (HOSTWDSZ-start-len))

Definition at line 63 of file fpbits.h.

#define Bitfield_extract	(		start,
			length,
			object
	)

Value:

((object) >> (HOSTWDSZ - (start) - (length)) &  \
    ((unsigned)-1 >> (HOSTWDSZ - (length))))

Definition at line 53 of file fpbits.h.

#define Bitfield_mask	(		start,
			len,
			object
	)		((object) & (((unsigned)-1 >> (HOSTWDSZ-len)) << (HOSTWDSZ-start-len)))

Definition at line 60 of file fpbits.h.

#define Bitfield_signed_extract	(		start,
			length,
			object
	)		((int)((object) << start) >> (HOSTWDSZ - (length)))

Definition at line 57 of file fpbits.h.

#define HOSTWDSZ   32

Definition at line 40 of file fpbits.h.