[S390] move include/asm-s390 to arch/s390/include/asm
[linux-2.6.git] / arch / s390 / include / asm / sfp-util.h
1 #include <linux/kernel.h>
2 #include <linux/sched.h>
3 #include <linux/types.h>
4 #include <asm/byteorder.h>
5
6 #define add_ssaaaa(sh, sl, ah, al, bh, bl) ({           \
7         unsigned int __sh = (ah);                       \
8         unsigned int __sl = (al);                       \
9         asm volatile(                                   \
10                 "       alr     %1,%3\n"                \
11                 "       brc     12,0f\n"                \
12                 "       ahi     %0,1\n"                 \
13                 "0:     alr  %0,%2"                     \
14                 : "+&d" (__sh), "+d" (__sl)             \
15                 : "d" (bh), "d" (bl) : "cc");           \
16         (sh) = __sh;                                    \
17         (sl) = __sl;                                    \
18 })
19
20 #define sub_ddmmss(sh, sl, ah, al, bh, bl) ({           \
21         unsigned int __sh = (ah);                       \
22         unsigned int __sl = (al);                       \
23         asm volatile(                                   \
24                 "       slr     %1,%3\n"                \
25                 "       brc     3,0f\n"                 \
26                 "       ahi     %0,-1\n"                \
27                 "0:     slr     %0,%2"                  \
28                 : "+&d" (__sh), "+d" (__sl)             \
29                 : "d" (bh), "d" (bl) : "cc");           \
30         (sh) = __sh;                                    \
31         (sl) = __sl;                                    \
32 })
33
34 /* a umul b = a mul b + (a>=2<<31) ? b<<32:0 + (b>=2<<31) ? a<<32:0 */
35 #define umul_ppmm(wh, wl, u, v) ({                      \
36         unsigned int __wh = u;                          \
37         unsigned int __wl = v;                          \
38         asm volatile(                                   \
39                 "       ltr     1,%0\n"                 \
40                 "       mr      0,%1\n"                 \
41                 "       jnm     0f\n"                           \
42                 "       alr     0,%1\n"                 \
43                 "0:     ltr     %1,%1\n"                        \
44                 "       jnm     1f\n"                           \
45                 "       alr     0,%0\n"                 \
46                 "1:     lr      %0,0\n"                 \
47                 "       lr      %1,1\n"                 \
48                 : "+d" (__wh), "+d" (__wl)              \
49                 : : "0", "1", "cc");                    \
50         wh = __wh;                                      \
51         wl = __wl;                                      \
52 })
53
54 #ifdef __s390x__
55 #define udiv_qrnnd(q, r, n1, n0, d)                     \
56   do { unsigned long __n;                               \
57        unsigned int __r, __d;                           \
58     __n = ((unsigned long)(n1) << 32) + n0;             \
59     __d = (d);                                          \
60     (q) = __n / __d;                                    \
61     (r) = __n % __d;                                    \
62   } while (0)
63 #else
64 #define udiv_qrnnd(q, r, n1, n0, d)                     \
65   do { unsigned int __r;                                \
66     (q) = __udiv_qrnnd (&__r, (n1), (n0), (d));         \
67     (r) = __r;                                          \
68   } while (0)
69 extern unsigned long __udiv_qrnnd (unsigned int *, unsigned int,
70                                    unsigned int , unsigned int);
71 #endif
72
73 #define UDIV_NEEDS_NORMALIZATION 0
74
75 #define abort() return 0
76
77 #define __BYTE_ORDER __BIG_ENDIAN