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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
extern void abort (void);
typedef union i386_operand_type
{
struct
{
unsigned int reg8:1;
unsigned int reg16:1;
unsigned int reg32:1;
unsigned int reg64:1;
unsigned int floatreg:1;
unsigned int regmmx:1;
unsigned int regxmm:1;
unsigned int regymm:1;
unsigned int control:1;
unsigned int debug:1;
unsigned int test:1;
unsigned int sreg2:1;
unsigned int sreg3:1;
unsigned int imm1:1;
unsigned int imm8:1;
unsigned int imm8s:1;
unsigned int imm16:1;
unsigned int imm32:1;
unsigned int imm32s:1;
unsigned int imm64:1;
unsigned int disp8:1;
unsigned int disp16:1;
unsigned int disp32:1;
unsigned int disp32s:1;
unsigned int disp64:1;
unsigned int acc:1;
unsigned int floatacc:1;
unsigned int baseindex:1;
unsigned int inoutportreg:1;
unsigned int shiftcount:1;
unsigned int jumpabsolute:1;
unsigned int esseg:1;
unsigned int regmem:1;
unsigned int mem:1;
unsigned int byte:1;
unsigned int word:1;
unsigned int dword:1;
unsigned int fword:1;
unsigned int qword:1;
unsigned int tbyte:1;
unsigned int xmmword:1;
unsigned int ymmword:1;
unsigned int unspecified:1;
unsigned int anysize:1;
} bitfield;
unsigned int array[2];
} i386_operand_type;
unsigned int x00, x01, y00, y01;
int main (int argc, char *argv[])
{
i386_operand_type a,b,c,d;
a.bitfield.reg16 = 1;
a.bitfield.imm16 = 0;
a.array[1] = 22;
b = a;
x00 = b.array[0];
x01 = b.array[1];
c = b;
y00 = c.array[0];
y01 = c.array[1];
d = c;
if (d.bitfield.reg16 != 1)
abort();
if (d.bitfield.imm16 != 0)
abort();
if (d.array[1] != 22)
abort();
return 0;
}
|
