2 Copyright 2005-2010 Intel Corporation. All Rights Reserved.
4 This file is part of Threading Building Blocks.
6 Threading Building Blocks is free software; you can redistribute it
7 and/or modify it under the terms of the GNU General Public License
8 version 2 as published by the Free Software Foundation.
10 Threading Building Blocks is distributed in the hope that it will be
11 useful, but WITHOUT ANY WARRANTY; without even the implied warranty
12 of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with Threading Building Blocks; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 As a special exception, you may use this file as part of a free software
20 library without restriction. Specifically, if other files instantiate
21 templates or use macros or inline functions from this file, or you compile
22 this file and link it with other files to produce an executable, this
23 file does not by itself cause the resulting executable to be covered by
24 the GNU General Public License. This exception does not however
25 invalidate any other reasons why the executable file might be covered by
26 the GNU General Public License.
29 #ifndef __TBB_machine_H
30 #error Do not include this file directly; include tbb_machine.h instead
34 #if !defined(__INTEL_COMPILER)
35 #pragma intrinsic(_InterlockedOr64)
36 #pragma intrinsic(_InterlockedAnd64)
37 #pragma intrinsic(_InterlockedCompareExchange)
38 #pragma intrinsic(_InterlockedCompareExchange64)
39 #pragma intrinsic(_InterlockedExchangeAdd)
40 #pragma intrinsic(_InterlockedExchangeAdd64)
41 #pragma intrinsic(_InterlockedExchange)
42 #pragma intrinsic(_InterlockedExchange64)
43 #endif /* !defined(__INTEL_COMPILER) */
45 #if defined(__INTEL_COMPILER)
46 #define __TBB_release_consistency_helper() __asm { __asm nop }
47 inline void __TBB_rel_acq_fence() { __asm { __asm mfence } }
48 #elif _MSC_VER >= 1300
49 extern "C" void _ReadWriteBarrier();
50 #pragma intrinsic(_ReadWriteBarrier)
51 #define __TBB_release_consistency_helper() _ReadWriteBarrier()
52 #pragma intrinsic(_mm_mfence)
53 inline void __TBB_rel_acq_fence() { _mm_mfence(); }
56 #define __TBB_WORDSIZE 8
57 #define __TBB_BIG_ENDIAN 0
59 // ATTENTION: if you ever change argument types in machine-specific primitives,
60 // please take care of atomic_word<> specializations in tbb/atomic.h
62 __int8 __TBB_EXPORTED_FUNC __TBB_machine_cmpswp1 (volatile void *ptr, __int8 value, __int8 comparand );
63 __int8 __TBB_EXPORTED_FUNC __TBB_machine_fetchadd1 (volatile void *ptr, __int8 addend );
64 __int8 __TBB_EXPORTED_FUNC __TBB_machine_fetchstore1 (volatile void *ptr, __int8 value );
65 __int16 __TBB_EXPORTED_FUNC __TBB_machine_cmpswp2 (volatile void *ptr, __int16 value, __int16 comparand );
66 __int16 __TBB_EXPORTED_FUNC __TBB_machine_fetchadd2 (volatile void *ptr, __int16 addend );
67 __int16 __TBB_EXPORTED_FUNC __TBB_machine_fetchstore2 (volatile void *ptr, __int16 value );
68 void __TBB_EXPORTED_FUNC __TBB_machine_pause (__int32 delay );
73 extern "C" unsigned char _BitScanReverse64( unsigned long* i, unsigned __int64 w );
74 #pragma intrinsic(_BitScanReverse64)
77 inline __int64 __TBB_machine_lg( unsigned __int64 i ) {
87 _BitScanReverse64( &j, i );
92 inline void __TBB_machine_OR( volatile void *operand, intptr_t addend ) {
93 _InterlockedOr64((__int64*)operand, addend);
96 inline void __TBB_machine_AND( volatile void *operand, intptr_t addend ) {
97 _InterlockedAnd64((__int64*)operand, addend);
100 #define __TBB_CompareAndSwap1(P,V,C) __TBB_machine_cmpswp1(P,V,C)
101 #define __TBB_CompareAndSwap2(P,V,C) __TBB_machine_cmpswp2(P,V,C)
102 #define __TBB_CompareAndSwap4(P,V,C) _InterlockedCompareExchange( (long*) P , V , C )
103 #define __TBB_CompareAndSwap8(P,V,C) _InterlockedCompareExchange64( (__int64*) P , V , C )
104 #define __TBB_CompareAndSwapW(P,V,C) _InterlockedCompareExchange64( (__int64*) P , V , C )
106 #define __TBB_FetchAndAdd1(P,V) __TBB_machine_fetchadd1(P,V)
107 #define __TBB_FetchAndAdd2(P,V) __TBB_machine_fetchadd2(P,V)
108 #define __TBB_FetchAndAdd4(P,V) _InterlockedExchangeAdd((long*) P , V )
109 #define __TBB_FetchAndAdd8(P,V) _InterlockedExchangeAdd64((__int64*) P , V )
110 #define __TBB_FetchAndAddW(P,V) _InterlockedExchangeAdd64((__int64*) P , V )
112 #define __TBB_FetchAndStore1(P,V) __TBB_machine_fetchstore1(P,V)
113 #define __TBB_FetchAndStore2(P,V) __TBB_machine_fetchstore2(P,V)
114 #define __TBB_FetchAndStore4(P,V) _InterlockedExchange((long*) P , V )
115 #define __TBB_FetchAndStore8(P,V) _InterlockedExchange64((__int64*) P , V )
116 #define __TBB_FetchAndStoreW(P,V) _InterlockedExchange64((__int64*) P , V )
118 // Not used if wordsize == 8
122 #define __TBB_AtomicOR(P,V) __TBB_machine_OR(P,V)
123 #define __TBB_AtomicAND(P,V) __TBB_machine_AND(P,V)
125 extern "C" __declspec(dllimport) int __stdcall SwitchToThread( void );
126 #define __TBB_Yield() SwitchToThread()
127 #define __TBB_Pause(V) __TBB_machine_pause(V)
128 #define __TBB_Log2(V) __TBB_machine_lg(V)
130 // Use generic definitions from tbb_machine.h
131 #undef __TBB_TryLockByte
132 #undef __TBB_LockByte