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52 lines
1.4 KiB
52 lines
1.4 KiB
/* |
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* Copyright 2008-2012 NVIDIA Corporation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#pragma once |
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#include <thrust/detail/config.h> |
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// msvc case |
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#if THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_MSVC |
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#ifndef _DEBUG |
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#include <intrin.h> |
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#pragma intrinsic(_ReadWriteBarrier) |
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#define __thrust_compiler_fence() _ReadWriteBarrier() |
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#else |
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#define __thrust_compiler_fence() do {} while (0) |
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#endif // _DEBUG |
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// gcc case |
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#elif THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_GCC |
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#if THRUST_GCC_VERSION >= 40200 // atomic built-ins were introduced ~4.2 |
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#define __thrust_compiler_fence() __sync_synchronize() |
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#else |
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// allow the code to compile without any guarantees |
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#define __thrust_compiler_fence() do {} while (0) |
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#endif // THRUST_GCC_VERSION |
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// unknown case |
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#elif THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_UNKNOWN |
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// allow the code to compile without any guarantees |
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#define __thrust_compiler_fence() do {} while (0) |
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#endif |
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