include/qemu/cpu-float.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64

#ifndef QEMU_CPU_FLOAT_H
#define QEMU_CPU_FLOAT_H

#include "fpu/softfloat-types.h"

/* Unions for reinterpreting between floats and integers.  */

typedef union {
    float32 f;
    uint32_t l;
} CPU_FloatU;

typedef union {
    float64 d;
#if HOST_BIG_ENDIAN
    struct {
        uint32_t upper;
        uint32_t lower;
    } l;
#else
    struct {
        uint32_t lower;
        uint32_t upper;
    } l;
#endif
    uint64_t ll;
} CPU_DoubleU;

typedef union {
     floatx80 d;
     struct {
         uint64_t lower;
         uint16_t upper;
     } l;
} CPU_LDoubleU;

typedef union {
    float128 q;
#if HOST_BIG_ENDIAN
    struct {
        uint32_t upmost;
        uint32_t upper;
        uint32_t lower;
        uint32_t lowest;
    } l;
    struct {
        uint64_t upper;
        uint64_t lower;
    } ll;
#else
    struct {
        uint32_t lowest;
        uint32_t lower;
        uint32_t upper;
        uint32_t upmost;
    } l;
    struct {
        uint64_t lower;
        uint64_t upper;
    } ll;
#endif
} CPU_QuadU;

#endif /* QEMU_CPU_FLOAT_H */