/*
* Copyright (c) 2009 by Takashi YOSHII. All rights reserved.
*
*
* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
* OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
*
* Permission is hereby granted to use or copy this program
* for any purpose, provided the above notices are retained on all copies.
* Permission to modify the code and to distribute modified code is granted,
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*/

#include "../all_atomic_load_store.h"
#include "../ordered.h"

/* sh has tas.b(byte) only */
#include "../test_and_set_t_is_char.h"

AO_INLINE AO_TS_VAL_t
AO_test_and_set_full(volatile AO_TS_t *addr)
{
 int oldval;
 __asm__ __volatile__(
       "tas.b @%1; movt %0"
       : "=r" (oldval)
       : "r" (addr)
       : "t", "memory");
 return oldval? AO_TS_CLEAR : AO_TS_SET;
}
#define AO_HAVE_test_and_set_full

/* TODO: Very incomplete.       */