Subversion Repositories openrisc

// { dg-do compile }

// { dg-options "-fgnu-tm -O1" }

__attribute__((transaction_safe))

void* operator new (__SIZE_TYPE__);

__attribute__((transaction_pure))

inline int atomic_exchange_and_add( int * pw, int dv )

{

    int r;

    __asm__ ("" : "=r"(r));

    return r;

}

class sp_counted_base

{

protected:

    int use_count_;        // #shared

public:

    __attribute__((transaction_safe))

    virtual void dispose() = 0; // nothrow

    __attribute__((transaction_safe))

    void release() // nothrow

    {

        if( atomic_exchange_and_add( &use_count_, -1 ) == 1 )

        {

            dispose();

        }

    }

};

class sp_counted_base_x86 : public sp_counted_base

{

public:

  void dispose()

  {

    release();

  }

};

class shared_count

{

private:

    sp_counted_base * pi_;

public:

    int j;

    __attribute__((transaction_safe))

    shared_count(): pi_(new sp_counted_base_x86()), j(0)

    {

    }

    __attribute__((transaction_safe))

    ~shared_count() // nothrow

    {

        if( pi_ != 0 ) pi_->release();

    }

};

volatile int i = 1;

shared_count * c;

int main()

{

  if ( i == 0) {

    __transaction_atomic {

     shared_count sc;

    }

  }

  return 0;

}