[IA64] Annotate __kernel_syscall_via_epc() with McKinley dispatch info.
[linux-2.6.git] / arch / s390 / math-emu / 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__ ("   alr  %1,%3\n"                      \
10                  "   brc  12,0f\n"                      \
11                  "   ahi  %0,1\n"                       \
12                  "0: alr  %0,%2"                        \
13                  : "+&d" (__sh), "+d" (__sl)            \
14                  : "d" (bh), "d" (bl) : "cc" );         \
15         (sh) = __sh;                                    \
16         (sl) = __sl;                                    \
17 })
18
19 #define sub_ddmmss(sh, sl, ah, al, bh, bl) ({           \
20        unsigned int __sh = (ah);                        \
21        unsigned int __sl = (al);                        \
22        __asm__ ("   slr  %1,%3\n"                       \
23                 "   brc  3,0f\n"                        \
24                 "   ahi  %0,-1\n"                       \
25                 "0: slr  %0,%2"                         \
26                 : "+&d" (__sh), "+d" (__sl)             \
27                 : "d" (bh), "d" (bl) : "cc" );          \
28        (sh) = __sh;                                     \
29        (sl) = __sl;                                     \
30 })
31
32 /* a umul b = a mul b + (a>=2<<31) ? b<<32:0 + (b>=2<<31) ? a<<32:0 */
33 #define umul_ppmm(wh, wl, u, v) ({                      \
34         unsigned int __wh = u;                          \
35         unsigned int __wl = v;                          \
36         __asm__ ("   ltr  1,%0\n"                       \
37                  "   mr   0,%1\n"                       \
38                  "   jnm  0f\n"                         \
39                  "   alr  0,%1\n"                       \
40                  "0: ltr  %1,%1\n"                      \
41                  "   jnm  1f\n"                         \
42                  "   alr  0,%0\n"                       \
43                  "1: lr   %0,0\n"                       \
44                  "   lr   %1,1\n"                       \
45                  : "+d" (__wh), "+d" (__wl)             \
46                  : : "0", "1", "cc" );                  \
47         wh = __wh;                                      \
48         wl = __wl;                                      \
49 })
50
51 #define udiv_qrnnd(q, r, n1, n0, d)                     \
52   do { unsigned long __r;                               \
53     (q) = __udiv_qrnnd (&__r, (n1), (n0), (d));         \
54     (r) = __r;                                          \
55   } while (0)
56 extern unsigned long __udiv_qrnnd (unsigned long *, unsigned long,
57                                    unsigned long , unsigned long);
58
59 #define UDIV_NEEDS_NORMALIZATION 0
60
61 #define abort() return 0
62
63 #define __BYTE_ORDER __BIG_ENDIAN