| /* |
| Copyright 2005-2010 Intel Corporation. All Rights Reserved. |
| |
| This file is part of Threading Building Blocks. |
| |
| Threading Building Blocks is free software; you can redistribute it |
| and/or modify it under the terms of the GNU General Public License |
| version 2 as published by the Free Software Foundation. |
| |
| Threading Building Blocks is distributed in the hope that it will be |
| useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
| of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with Threading Building Blocks; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| As a special exception, you may use this file as part of a free software |
| library without restriction. Specifically, if other files instantiate |
| templates or use macros or inline functions from this file, or you compile |
| this file and link it with other files to produce an executable, this |
| file does not by itself cause the resulting executable to be covered by |
| the GNU General Public License. This exception does not however |
| invalidate any other reasons why the executable file might be covered by |
| the GNU General Public License. |
| */ |
| |
| #ifndef __TBB_machine_H |
| #error Do not include this file directly; include tbb_machine.h instead |
| #endif |
| |
| #define NONET |
| #define NOD3D |
| #include "xtl.h" |
| #include "ppcintrinsics.h" |
| |
| #if _MSC_VER >= 1300 |
| extern "C" void _ReadWriteBarrier(); |
| #pragma intrinsic(_ReadWriteBarrier) |
| #define __TBB_release_consistency_helper() _ReadWriteBarrier() |
| #endif |
| |
| inline void __TBB_rel_acq_fence() { __lwsync(); } |
| |
| #define __TBB_WORDSIZE 4 |
| #define __TBB_BIG_ENDIAN 1 |
| |
| //todo: define __TBB_DECL_FENCED_ATOMICS and define acquire/release primitives to maximize performance |
| |
| typedef __int64 int64_t; //required for definition of Store8/Load8 in atomic.h |
| typedef unsigned char uint8_t; //same reason |
| |
| inline __int32 __TBB_machine_cmpswp4(volatile void *ptr, __int32 value, __int32 comparand ) |
| { |
| __lwsync(); |
| __int32 result = InterlockedCompareExchange((volatile LONG*)ptr, value, comparand); |
| __lwsync(); |
| return result; |
| } |
| |
| inline __int64 __TBB_machine_cmpswp8(volatile void *ptr, __int64 value, __int64 comparand ) |
| { |
| __lwsync(); |
| __int64 result = InterlockedCompareExchange64((volatile LONG64*)ptr, value, comparand); |
| __lwsync(); |
| return result; |
| } |
| |
| #pragma optimize( "", off ) |
| inline void __TBB_machine_pause (__int32 delay ) |
| { |
| for (__int32 i=0; i<delay; i++) {;}; |
| } |
| #pragma optimize( "", on ) |
| |
| |
| #define __TBB_CompareAndSwap4(P,V,C) __TBB_machine_cmpswp4(P,V,C) |
| #define __TBB_CompareAndSwap8(P,V,C) __TBB_machine_cmpswp8(P,V,C) |
| #define __TBB_CompareAndSwapW(P,V,C) __TBB_machine_cmpswp4(P,V,C) |
| #define __TBB_Yield() Sleep(0) |
| #define __TBB_Pause(V) __TBB_machine_pause(V) |
| #define __TBB_fence_for_acquire() __lwsync() |
| #define __TBB_fence_for_release() __lwsync() |
| |
