43 lines
1.2 KiB
Plaintext
43 lines
1.2 KiB
Plaintext
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//---------------------------------------------------------------------------//
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// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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// See http://boostorg.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#ifndef BOOST_COMPUTE_FUNCTIONAL_DETAIL_NVIDIA_POPCOUNT_HPP
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#define BOOST_COMPUTE_FUNCTIONAL_DETAIL_NVIDIA_POPCOUNT_HPP
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#include <boost/compute/function.hpp>
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namespace boost {
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namespace compute {
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namespace detail {
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template<class T>
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class nvidia_popcount : public function<T(T)>
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{
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public:
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nvidia_popcount()
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: function<T(T)>("nvidia_popcount")
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{
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this->set_source(
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"inline uint nvidia_popcount(const uint x)\n"
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"{\n"
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" uint count;\n"
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" asm(\"popc.b32 %0, %1;\" : \"=r\"(count) : \"r\"(x));\n"
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" return count;\n"
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"}\n"
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);
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}
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};
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} // end detail namespace
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} // end compute namespace
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} // end boost namespace
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#endif // BOOST_COMPUTE_FUNCTIONAL_DETAIL_NVIDIA_POPCOUNT_HPP
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