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/*-
* Copyright (c) 2014-2015 MongoDB, Inc.
* Copyright (c) 2008-2014 WiredTiger, Inc.
* All rights reserved.
*
* See the file LICENSE for redistribution information.
*/
#include <intrin.h>
#ifndef _M_AMD64
#error "Only x64 is supported with MSVC"
#endif
#define inline __inline
#define WT_SIZET_FMT "Iu" /* size_t format string */
/*
* Add MSVC-specific attributes and pragmas to types and function declarations.
*/
#define WT_COMPILER_TYPE_ALIGN(x) __declspec(align(x))
#define WT_PACKED_STRUCT_BEGIN(name) \
__pragma(pack(push,1)) \
struct name {
#define WT_PACKED_STRUCT_END \
}; \
__pragma(pack(pop))
#define WT_GCC_FUNC_ATTRIBUTE(x)
#define WT_GCC_FUNC_DECL_ATTRIBUTE(x)
#define __WT_ATOMIC_ADD(v, val, n, s, t) \
(WT_STATIC_ASSERT(sizeof(v) == (n)), \
_InterlockedExchangeAdd ## s((t*)&(v), (t)(val)) + (val))
#define __WT_ATOMIC_FETCH_ADD(v, val, n, s, t) \
(WT_STATIC_ASSERT(sizeof(v) == (n)), \
_InterlockedExchangeAdd ## s((t*)&(v), (t)(val)))
#define __WT_ATOMIC_CAS(v, old, new, n, s, t) \
(WT_STATIC_ASSERT(sizeof(v) == (n)), \
_InterlockedCompareExchange ## s \
((t*)&(v), (t)(new), (t)(old)) == (t)(old))
#define __WT_ATOMIC_CAS_VAL(v, old, new, n, s, t) \
(WT_STATIC_ASSERT(sizeof(v) == (n)), \
_InterlockedCompareExchange ## s((t*)&(v), (t)(new), (t)(old)))
#define __WT_ATOMIC_STORE(v, val, n, s, t) \
(WT_STATIC_ASSERT(sizeof(v) == (n)), \
_InterlockedExchange ## s((t*)&(v), (t)(val)))
#define __WT_ATOMIC_SUB(v, val, n, s, t) \
(WT_STATIC_ASSERT(sizeof(v) == (n)), \
_InterlockedExchangeAdd ## s((t*)&(v), -(t) val) - (val))
#define WT_ATOMIC_ADD1(v, val) __WT_ATOMIC_ADD(v, val, 1, 8, char)
#define WT_ATOMIC_FETCH_ADD1(v, val) \
__WT_ATOMIC_FETCH_ADD(v, val, 1, 8, char)
#define WT_ATOMIC_CAS1(v, old, new) __WT_ATOMIC_CAS(v, old, new, 1, 8, char)
#define WT_ATOMIC_CAS_VAL1(v, old, new) \
__WT_ATOMIC_CAS_VAL(v, old, new, 1, 8, char)
#define WT_ATOMIC_STORE1(v, val) __WT_ATOMIC_STORE(v, val, 1, 8, char)
#define WT_ATOMIC_SUB1(v, val) __WT_ATOMIC_SUB(v, val, 1, 8, char)
#define WT_ATOMIC_ADD2(v, val) __WT_ATOMIC_ADD(v, val, 2, 16, short)
#define WT_ATOMIC_FETCH_ADD2(v, val) \
__WT_ATOMIC_FETCH_ADD(v, val, 2, 16, short)
#define WT_ATOMIC_CAS2(v, old, new) \
__WT_ATOMIC_CAS(v, old, new, 2, 16, short)
#define WT_ATOMIC_CAS_VAL2(v, old, new) \
__WT_ATOMIC_CAS_VAL(v, old, new, 2, 16, short)
#define WT_ATOMIC_STORE2(v, val) __WT_ATOMIC_STORE(v, val, 2, 16, short)
#define WT_ATOMIC_SUB2(v, val) __WT_ATOMIC_SUB(v, val, 2, 16, short)
#define WT_ATOMIC_ADD4(v, val) __WT_ATOMIC_ADD(v, val, 4, , long)
#define WT_ATOMIC_FETCH_ADD4(v, val) __WT_ATOMIC_FETCH_ADD(v, val, 4, , long)
#define WT_ATOMIC_CAS4(v, old, new) __WT_ATOMIC_CAS(v, old, new, 4, , long)
#define WT_ATOMIC_CAS_VAL4(v, old, new) \
__WT_ATOMIC_CAS_VAL(v, old, new, 4, , long)
#define WT_ATOMIC_STORE4(v, val) __WT_ATOMIC_STORE(v, val, 4, , long)
#define WT_ATOMIC_SUB4(v, val) __WT_ATOMIC_SUB(v, val, 4, , long)
#define WT_ATOMIC_ADD8(v, val) __WT_ATOMIC_ADD(v, val, 8, 64, __int64)
#define WT_ATOMIC_FETCH_ADD8(v, val) \
__WT_ATOMIC_FETCH_ADD(v, val, 8, 64, __int64)
#define WT_ATOMIC_CAS8(v, old, new) \
__WT_ATOMIC_CAS(v, old, new, 8, 64, __int64)
#define WT_ATOMIC_CAS_VAL8(v, old, new) \
__WT_ATOMIC_CAS_VAL(v, old, new, 8, 64, __int64)
#define WT_ATOMIC_STORE8(v, val) \
__WT_ATOMIC_STORE(v, val, 8, 64, __int64)
#define WT_ATOMIC_SUB8(v, val) __WT_ATOMIC_SUB(v, val, 8, 64, __int64)
static inline void WT_BARRIER(void) { _ReadWriteBarrier(); }
static inline void WT_FULL_BARRIER(void) { _mm_mfence(); }
static inline void WT_PAUSE(void) { _mm_pause(); }
static inline void WT_READ_BARRIER(void) { _mm_lfence(); }
static inline void WT_WRITE_BARRIER(void) { _mm_sfence(); }
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