Subversion Repositories openrisc

// { dg-do run }

// { dg-require-effective-target tls_runtime }

#include 

#include 

#define N 10

#define THR 4

struct B

{

  B();

  B(const B &);

  ~B();

  B& operator=(const B &);

  void doit();

};

static B *base;

static B *threadbase;

static unsigned cmask[THR];

static unsigned dmask[THR];

#pragma omp threadprivate(threadbase)

B::B()

{

  assert (base == 0);

}

B::B(const B &b)

{

  unsigned index = &b - base;

  assert (index < N);

  cmask[omp_get_thread_num()] |= 1u << index;

}

B::~B()

{

  if (threadbase)

    {

      unsigned index = this - threadbase;

      assert (index < N);

      dmask[omp_get_thread_num()] |= 1u << index;

    }

}

void foo()

{

  B b[N];

  base = b;

  #pragma omp parallel firstprivate(b)

    {

      assert (omp_get_num_threads () == THR);

      threadbase = b;

    }

  threadbase = 0;

}

int main()

{

  omp_set_dynamic (0);

  omp_set_num_threads (THR);

  foo();

  for (int i = 0; i < THR; ++i)

    {

      unsigned xmask = (1u << N) - 1;

      assert (cmask[i] == xmask);

      assert (dmask[i] == xmask);

    }

  return 0;

}