mirror of https://gitee.com/bigwinds/arangodb
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2016 by EMC Corporation, All Rights Reserved
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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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/// Copyright holder is EMC Corporation
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///
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/// @author Andrey Abramov
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/// @author Vasiliy Nabatchikov
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////////////////////////////////////////////////////////////////////////////////
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#include "cpuinfo.hpp"
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#if defined(_MSC_VER)
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#include "bit_utils.hpp"
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NS_ROOT
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const cpuinfo cpuinfo::instance_;
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/*static*/ bool cpuinfo::support_popcnt() {
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// according to https://msdn.microsoft.com/en-us/library/bb385231.aspx
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return check_bit<23>(instance_.f1_cpuinfo_[2]);
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}
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NS_END
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#endif
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