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/* Supply a set of generic atomic functions to test the compiler make the

   calls properly.  */

/* { dg-do compile } */

/* { dg-options "-w" } */

/* Test that the generic builtins make calls as expected.  */

#include <stdlib.h>

#include <stdbool.h>

#include <string.h>

void

__atomic_exchange (size_t size, void *obj, void *val, void *ret, int model)

{

  /* Copy old value into *ret.  */

  memcpy (ret, obj, size);

  /* Copy val into object.  */

  memcpy (obj, val, size);

}

/* Note that the external version of this routine has the boolean weak/strong

   parameter removed.  This is required by teh external library.  */

bool

__atomic_compare_exchange (size_t size, void *obj, void *expected,

                           void *desired, int model1, int model2)

{

  bool ret;

  if (!memcmp (obj, expected, size))

    {

      memcpy (obj, desired, size);

      ret = true;

    }

  else

    {

      memcpy (expected, obj, size);

      ret = false;

    }

  /* Make sure the parameters have been properly adjusted for the external

     function call (no weak/strong parameter.  */

  if (model1 != __ATOMIC_SEQ_CST || model2 != __ATOMIC_ACQUIRE)

    ret = !ret;

  return ret;

}

void __atomic_load (size_t size, void *obj, void *ret, int model)

{

  memcpy (ret, obj, size);

}

void __atomic_store (size_t size, void *obj, void *val, int model)

{

  memcpy (obj, val, size);

}