blob: f53707f7745569c3a1ab48526ccf5d6753a1221e [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#include <linux/kernel.h>
2#include <linux/sched.h>
3#include <linux/types.h>
4#include <asm/byteorder.h>
5#include <asm/fpu.h>
6
7#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
8 ((sl) = (al) + (bl), (sh) = (ah) + (bh) + ((sl) < (al)))
9
10#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
11 ((sl) = (al) - (bl), (sh) = (ah) - (bh) - ((al) < (bl)))
12
13#define umul_ppmm(wh, wl, u, v) \
14 __asm__ ("mulq %2,%3,%1; umulh %2,%3,%0" \
15 : "=r" ((UDItype)(wh)), \
16 "=&r" ((UDItype)(wl)) \
17 : "r" ((UDItype)(u)), \
18 "r" ((UDItype)(v)))
19
20#define udiv_qrnnd(q, r, n1, n0, d) \
21 do { unsigned long __r; \
22 (q) = __udiv_qrnnd (&__r, (n1), (n0), (d)); \
23 (r) = __r; \
24 } while (0)
25extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long,
26 unsigned long , unsigned long);
27
28#define UDIV_NEEDS_NORMALIZATION 1
29
30#define abort() goto bad_insn
Linus Torvalds13da9e22010-05-26 08:30:15 -070031
32#ifndef __LITTLE_ENDIAN
33#define __LITTLE_ENDIAN -1
34#endif
35#define __BYTE_ORDER __LITTLE_ENDIAN