longlong.h File Reference

#include <asm-generic/bitops/count_zeros.h>

Go to the source code of this file.

Macros
#define	__BITS4   (W_TYPE_SIZE / 4)
#define	__ll_B   ((UWtype) 1 << (W_TYPE_SIZE / 2))
#define	__ll_lowpart(t)   ((UWtype) (t) & (__ll_B - 1))
#define	__ll_highpart(t)   ((UWtype) (t) >> (W_TYPE_SIZE / 2))
#define	__MPN(x)   __##x
#define	__umulsidi3(u, v)
#define	add_ssaaaa(sh, sl, ah, al, bh, bl)
#define	sub_ddmmss(sh, sl, ah, al, bh, bl)
#define	umul_ppmm(w1, w0, u, v)
#define	__udiv_qrnnd_c(q, r, n1, n0, d)
#define	UDIV_NEEDS_NORMALIZATION   1
#define	udiv_qrnnd   __udiv_qrnnd_c

Macro Definition Documentation

#define __BITS4   (W_TYPE_SIZE / 4)

Definition at line 38 of file longlong.h.

#define __ll_B   ((UWtype) 1 << (W_TYPE_SIZE / 2))

Definition at line 39 of file longlong.h.

#define __ll_highpart

(

t

)

((UWtype) (t) >> (W_TYPE_SIZE / 2))

Definition at line 41 of file longlong.h.

#define __ll_lowpart

(

t

)

((UWtype) (t) & (__ll_B - 1))

Definition at line 40 of file longlong.h.

#define __MPN

(

x

)

__##x

Definition at line 46 of file longlong.h.

#define __udiv_qrnnd_c	(		q,
			r,
			n1,
			n0,
			d
	)

Definition at line 1328 of file longlong.h.

#define __umulsidi3	(		u,
			v
	)

Value:

({UWtype __hi, __lo; \
    umul_ppmm(__hi, __lo, u, v); \
    ((UDWtype) __hi << W_TYPE_SIZE) | __lo; })

Definition at line 1261 of file longlong.h.

#define add_ssaaaa	(		sh,
			sl,
			ah,
			al,
			bh,
			bl
	)

Value:

do { \
	UWtype __x; \
    __x = (al) + (bl); \
    (sh) = (ah) + (bh) + (__x < (al)); \
    (sl) = __x; \
} while (0)

Definition at line 1270 of file longlong.h.

#define sub_ddmmss	(		sh,
			sl,
			ah,
			al,
			bh,
			bl
	)

Value:

do { \
	UWtype __x; \
    __x = (al) - (bl); \
    (sh) = (ah) - (bh) - (__x > (al)); \
    (sl) = __x; \
} while (0)

Definition at line 1280 of file longlong.h.

#define UDIV_NEEDS_NORMALIZATION   1

Definition at line 1375 of file longlong.h.

#define udiv_qrnnd   __udiv_qrnnd_c

Definition at line 1376 of file longlong.h.

#define umul_ppmm	(		w1,
			w0,
			u,
			v
	)

Value:

do { \
	UWtype __x0, __x1, __x2, __x3; \
	UHWtype __ul, __vl, __uh, __vh; \
	UWtype __u = (u), __v = (v); \
    \
    __ul = __ll_lowpart(__u); \
    __uh = __ll_highpart(__u); \
    __vl = __ll_lowpart(__v); \
    __vh = __ll_highpart(__v); \
    \
    __x0 = (UWtype) __ul * __vl; \
    __x1 = (UWtype) __ul * __vh; \
    __x2 = (UWtype) __uh * __vl; \
    __x3 = (UWtype) __uh * __vh; \
    \
    __x1 += __ll_highpart(__x0);/* this can't give carry */ \
    __x1 += __x2;       /* but this indeed can */ \
    if (__x1 < __x2)        /* did we get it? */ \
    __x3 += __ll_B;     /* yes, add it in the proper pos. */ \
    \
    (w1) = __x3 + __ll_highpart(__x1); \
    (w0) = (__ll_lowpart(__x1) << W_TYPE_SIZE/2) + __ll_lowpart(__x0); \
} while (0)

Definition at line 1290 of file longlong.h.