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
|
/* { dg-do run } */
/* { dg-options "-O2 -fomit-frame-pointer" } */
extern void abort (void);
extern void exit (int);
unsigned char a[256], b[256], c[256], d[256];
void foo(unsigned char *x, int y, unsigned char *z)
{
}
void bar(int x, ...)
{
}
void baz(int y)
{
if (y != 0x10)
abort();
}
void test(int x, unsigned char *y)
{
unsigned char g,h,j, k[5],l[5], m[30];
int i;
bar(x, y[0], y[1], y[2], y[3], y[4], y[5], y[6], y[7], y[8], y[9]);
for (i = 5; --i >= 0; )
k[i] = y[5 + i] ^ a[i] ^ c[i];
foo(&m[29], sizeof m, k);
g = d[x] ^ c[x];
bar(x, d[x], x, c[x]);
baz(g);
for (i = 5, h = 0; --i >= 0; h = y[i])
{
j = m[25 + i] ^ y[i];
j = b[j] ^ g;
k[i] = c[j] ^ h;
}
for (i = 5, h = 0; --i >= 0; h = k[i])
{
j = m[20 + i] ^ k[i];
j = b[j] ^ g;
l[i] = c[j] ^ h;
}
for (i = 5, h = 0; --i >= 0; h = l[i]) {
j = m[15 + i] ^ l[i];
j = b[j] ^ g;
j = c[j] ^ h;
k[i] = a[j] ^ c[j];
}
}
int main()
{
c[4] = 0xdc;
d[4] = 0xcc;
test(4, a);
exit(0);
}
|
