ia64/linux-2.6.18-xen.hg

view arch/powerpc/math-emu/single.h @ 854:950b9eb27661

usbback: fix urb interval value for interrupt urbs.

Signed-off-by: Noboru Iwamatsu <n_iwamatsu@jp.fujitsu.com>
author Keir Fraser <keir.fraser@citrix.com>
date Mon Apr 06 13:51:20 2009 +0100 (2009-04-06)
parents 831230e53067
children
line source
1 /*
2 * Definitions for IEEE Single Precision
3 */
5 #if _FP_W_TYPE_SIZE < 32
6 #error "Here's a nickel kid. Go buy yourself a real computer."
7 #endif
9 #define _FP_FRACBITS_S 24
10 #define _FP_FRACXBITS_S (_FP_W_TYPE_SIZE - _FP_FRACBITS_S)
11 #define _FP_WFRACBITS_S (_FP_WORKBITS + _FP_FRACBITS_S)
12 #define _FP_WFRACXBITS_S (_FP_W_TYPE_SIZE - _FP_WFRACBITS_S)
13 #define _FP_EXPBITS_S 8
14 #define _FP_EXPBIAS_S 127
15 #define _FP_EXPMAX_S 255
16 #define _FP_QNANBIT_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-2))
17 #define _FP_IMPLBIT_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-1))
18 #define _FP_OVERFLOW_S ((_FP_W_TYPE)1 << (_FP_WFRACBITS_S))
20 /* The implementation of _FP_MUL_MEAT_S and _FP_DIV_MEAT_S should be
21 chosen by the target machine. */
23 union _FP_UNION_S
24 {
25 float flt;
26 struct {
27 #if __BYTE_ORDER == __BIG_ENDIAN
28 unsigned sign : 1;
29 unsigned exp : _FP_EXPBITS_S;
30 unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0);
31 #else
32 unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0);
33 unsigned exp : _FP_EXPBITS_S;
34 unsigned sign : 1;
35 #endif
36 } bits __attribute__((packed));
37 };
39 #define FP_DECL_S(X) _FP_DECL(1,X)
40 #define FP_UNPACK_RAW_S(X,val) _FP_UNPACK_RAW_1(S,X,val)
41 #define FP_PACK_RAW_S(val,X) _FP_PACK_RAW_1(S,val,X)
43 #define FP_UNPACK_S(X,val) \
44 do { \
45 _FP_UNPACK_RAW_1(S,X,val); \
46 _FP_UNPACK_CANONICAL(S,1,X); \
47 } while (0)
49 #define FP_PACK_S(val,X) \
50 do { \
51 _FP_PACK_CANONICAL(S,1,X); \
52 _FP_PACK_RAW_1(S,val,X); \
53 } while (0)
55 #define FP_NEG_S(R,X) _FP_NEG(S,1,R,X)
56 #define FP_ADD_S(R,X,Y) _FP_ADD(S,1,R,X,Y)
57 #define FP_SUB_S(R,X,Y) _FP_SUB(S,1,R,X,Y)
58 #define FP_MUL_S(R,X,Y) _FP_MUL(S,1,R,X,Y)
59 #define FP_DIV_S(R,X,Y) _FP_DIV(S,1,R,X,Y)
60 #define FP_SQRT_S(R,X) _FP_SQRT(S,1,R,X)
62 #define FP_CMP_S(r,X,Y,un) _FP_CMP(S,1,r,X,Y,un)
63 #define FP_CMP_EQ_S(r,X,Y) _FP_CMP_EQ(S,1,r,X,Y)
65 #define FP_TO_INT_S(r,X,rsz,rsg) _FP_TO_INT(S,1,r,X,rsz,rsg)
66 #define FP_FROM_INT_S(X,r,rs,rt) _FP_FROM_INT(S,1,X,r,rs,rt)