Subversion Repositories openrisc

// { dg-do compile }

// { dg-options "-fgnu-tm -O0" }

__attribute__((transaction_pure))

inline int atomic_exchange_and_add(int dv )

{

    int r;

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

    return r;

}

class sp_counted_base

{

public:

    __attribute__((transaction_safe))

    void release()

    {

        if( atomic_exchange_and_add(-1 ) == 1 )

        {

        }

    }

};

sp_counted_base *base;

void here(){

  __transaction_atomic {

    base->release();

  }

}