blob: 23f72de74ee41cf07bc2be681e841967f87af2b6 (
plain)
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
|
/* PR middle-end/38364 */
/* { dg-do run } */
/* { dg-options "-O2 -ftrapv" } */
extern void abort (void);
static inline short
f1 (short x, short y)
{
if (x > 0)
{
if (y > 0)
{
if (x > __SHRT_MAX__ / y)
return x;
}
else if (y < (-__SHRT_MAX__ - 1) / x)
return x;
}
else
{
if (y > 0)
{
if (x < (-__SHRT_MAX__ - 1) / y)
return x;
}
else if (x != 0 && y < __SHRT_MAX__ / x)
return x;
}
return x * y;
}
static inline signed char
f2 (signed char x, signed char y)
{
if (((x ^ y) & (((x ^ ((x ^ y) & (1 << (__CHAR_BIT__ - 1)))) - y) ^ y)) < 0)
return x;
return x - y;
}
unsigned int v;
int
f3 (int x, unsigned int y)
{
f1 (1, 1);
return 1;
}
int
f4 (unsigned short x)
{
v = x;
return 1;
}
int
f5 (int x)
{
if (f2 (x, 1))
f1 (1, f4 (1));
return x;
}
int
f6 (unsigned int x)
{
f4 (x < (1 != f5 (0)));
return x;
}
int
main (void)
{
f6 (1);
if (v != 0)
abort ();
return 0;
}
|
