Viewing file:  pr49516.C (2.14 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-O2" } */
extern "C" void abort (void);
typedef int int32 __attribute__((mode (__SI__)));
typedef unsigned uint32 __attribute__((mode (__SI__)));
typedef unsigned uint64 __attribute__((mode (__DI__)));;
typedef int int16 __attribute__((mode (__HI__)));;
class Tp {
public:
Tp(int32, const int32 segment, const int32 index) __attribute__((noinline));
inline bool operator==(const Tp& other) const;
inline bool operator!=(const Tp& other) const;
int32 GetType() const { return type_; }
int32 GetSegment() const { return segment_; }
int32 GetIndex() const { return index_; }
private:
inline static bool IsValidSegment(const int32 segment);
static const int32 kSegmentBits = 28;
static const int32 kTypeBits = 4;
static const int32 kMaxSegment = (1L << kSegmentBits) - 1;
union {
struct {
int32 index_;
uint32 segment_ : kSegmentBits;
uint32 type_ : kTypeBits;
};
struct {
int32 dummy_;
uint32 type_and_segment_;
};
uint64 value_;
};
};
Tp::Tp(int32 t, const int32 segment, const int32 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 int32 count) __attribute__((always_inline));
inline Tp GetBeginTokenPosition() const;
inline Tp GetEndTokenPosition() const;
private:
Tp position_;
int32 count_;
int16 begin_index_;
int16 end_index_;
};
inline Range::Range(const Tp& position,
const int32 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;
}
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