blob: ac85c076d3ea60b62a1d07984f49dd6bf27105ca (
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
|
// { dg-options -std=c++0x }
//A few constexpr's
constexpr int foo() { return __alignof__(int); }
template<typename T>
constexpr int fooT() { return __alignof__(T); }
template<int N>
constexpr int fooN() { return N; }
//Now the attributes
//with normal variables,
int a __attribute__((aligned(foo())));
int b __attribute__((aligned(fooT<int>())));
int c __attribute__((aligned(fooN<__alignof__(int)>())));
//with variables inside a template,
template <typename T>
void fun()
{
T a __attribute__((aligned(foo())));
T b __attribute__((aligned(fooT<T>())));
T c __attribute__((aligned(fooN<__alignof__(T)>())));
T d __attribute__((aligned(fooT<int>())));
T e __attribute__((aligned(fooN<__alignof__(int)>())));
}
//instantiate it,
void bar()
{
fun<int>();
}
//with classes
struct __attribute__((aligned(foo()))) S0
{
char dummy;
};
S0 s0;
struct __attribute__((aligned(fooT<int>()))) S1
{
char dummy;
};
S1 s1;
//and class templates
template <typename T>
struct __attribute__((aligned(foo()))) S2
{
char dummy;
};
S2<int> s2;
template <typename T>
struct __attribute__((aligned(fooT<T>()))) S3
{
char dummy;
};
S3<int> s3;
|