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
83
84
85
86
|
/* { dg-do run } */
/* { dg-options "-O2" } */
extern "C" void abort (void);
typedef int int32;
typedef unsigned int uint32;
typedef unsigned long long uint64;
typedef short int16;
class Tp {
public:
Tp(int, const int segment, const int index) __attribute__((noinline));
inline bool operator==(const Tp& other) const;
inline bool operator!=(const Tp& other) const;
int GetType() const { return type_; }
int GetSegment() const { return segment_; }
int GetIndex() const { return index_; }
private:
inline static bool IsValidSegment(const int segment);
static const int kSegmentBits = 28;
static const int kTypeBits = 4;
static const int kMaxSegment = (1 << kSegmentBits) - 1;
union {
struct {
int32 index_;
uint32 segment_ : kSegmentBits;
uint32 type_ : kTypeBits;
};
struct {
int32 dummy_;
uint32 type_and_segment_;
};
uint64 value_;
};
};
Tp::Tp(int t, const int segment, const int index)
: index_(index), segment_(segment), type_(t) {}
inline bool Tp::operator==(const Tp& other) const {
return value_ == other.value_;
}
inline bool Tp::operator!=(const Tp& other) const {
return value_ != other.value_;
}
class Range {
public:
inline Range(const Tp& position, const int count) __attribute__((always_inline));
inline Tp GetBeginTokenPosition() const;
inline Tp GetEndTokenPosition() const;
private:
Tp position_;
int count_;
int16 begin_index_;
int16 end_index_;
};
inline Range::Range(const Tp& position,
const int count)
: position_(position), count_(count), begin_index_(0), end_index_(0)
{ }
inline Tp Range::GetBeginTokenPosition() const {
return position_;
}
inline Tp Range::GetEndTokenPosition() const {
return Tp(position_.GetType(), position_.GetSegment(),
position_.GetIndex() + count_);
}
int main ()
{
Range range(Tp(0, 0, 3), 0);
if (!(range.GetBeginTokenPosition() == Tp(0, 0, 3)))
abort ();
if (!(range.GetEndTokenPosition() == Tp(0, 0, 3)))
abort();
return 0;
}
|
