/*
* Copyright (c) 2003 Hewlett-Packard Development Company, L.P.
* Copyright (c) 2021 Ivan Maidanski
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

#include "../all_aligned_atomic_load_store.h"

#ifndef AO_ASSUME_WINDOWS98
# define AO_ASSUME_WINDOWS98
#endif
#ifndef AO_USE_INTERLOCKED_INTRINSICS
# define AO_USE_INTERLOCKED_INTRINSICS
#endif
#include "common32_defs.h"

#ifndef AO_HAVE_test_and_set_full
# include "../test_and_set_t_is_ao_t.h"
 /* AO_test_and_set_full() is emulated using word-wide CAS.    */
#endif

#ifndef AO_NO_DOUBLE_CAS

# include "../standard_ao_double_t.h"

# pragma intrinsic (_InterlockedCompareExchange128)
# pragma intrinsic (_InterlockedCompareExchange128_acq)
# pragma intrinsic (_InterlockedCompareExchange128_nf)
# pragma intrinsic (_InterlockedCompareExchange128_rel)

 AO_INLINE int
 AO_compare_double_and_swap_double(volatile AO_double_t *addr,
                                   AO_t old_val1, AO_t old_val2,
                                   AO_t new_val1, AO_t new_val2)
 {
   __int64 comparandResult[2];

   AO_ASSERT_ADDR_ALIGNED(addr);
   comparandResult[0] = old_val1; /* low */
   comparandResult[1] = old_val2; /* high */
   return _InterlockedCompareExchange128_nf((volatile __int64 *)addr,
                                            new_val2 /* high */,
                                            new_val1 /* low */,
                                            comparandResult);
 }
# define AO_HAVE_compare_double_and_swap_double

 AO_INLINE int
 AO_compare_double_and_swap_double_acquire(volatile AO_double_t *addr,
                                           AO_t old_val1, AO_t old_val2,
                                           AO_t new_val1, AO_t new_val2)
 {
   __int64 comparandResult[2];

   AO_ASSERT_ADDR_ALIGNED(addr);
   comparandResult[0] = old_val1; /* low */
   comparandResult[1] = old_val2; /* high */
   return _InterlockedCompareExchange128_acq((volatile __int64 *)addr,
                                             new_val2 /* high */,
                                             new_val1 /* low */,
                                             comparandResult);
 }
# define AO_HAVE_compare_double_and_swap_double_acquire

 AO_INLINE int
 AO_compare_double_and_swap_double_release(volatile AO_double_t *addr,
                                           AO_t old_val1, AO_t old_val2,
                                           AO_t new_val1, AO_t new_val2)
 {
   __int64 comparandResult[2];

   AO_ASSERT_ADDR_ALIGNED(addr);
   comparandResult[0] = old_val1; /* low */
   comparandResult[1] = old_val2; /* high */
   return _InterlockedCompareExchange128_rel((volatile __int64 *)addr,
                                             new_val2 /* high */,
                                             new_val1 /* low */,
                                             comparandResult);
 }
# define AO_HAVE_compare_double_and_swap_double_release

 AO_INLINE int
 AO_compare_double_and_swap_double_full(volatile AO_double_t *addr,
                                        AO_t old_val1, AO_t old_val2,
                                        AO_t new_val1, AO_t new_val2)
 {
   __int64 comparandResult[2];

   AO_ASSERT_ADDR_ALIGNED(addr);
   comparandResult[0] = old_val1; /* low */
   comparandResult[1] = old_val2; /* high */
   return _InterlockedCompareExchange128((volatile __int64 *)addr,
                                         new_val2 /* high */,
                                         new_val1 /* low */,
                                         comparandResult);
 }
# define AO_HAVE_compare_double_and_swap_double_full

#endif /* !AO_NO_DOUBLE_CAS */