Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/generic/include/boost/multiprecision/detail/bitscan.hpp @ 101:c530137014c0
Update Boost headers (1.58.0)
| author | Chris Cannam |
|---|---|
| date | Mon, 07 Sep 2015 11:12:49 +0100 |
| parents | 2665513ce2d3 |
| children |
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--- a/DEPENDENCIES/generic/include/boost/multiprecision/detail/bitscan.hpp Fri Sep 04 12:01:02 2015 +0100 +++ b/DEPENDENCIES/generic/include/boost/multiprecision/detail/bitscan.hpp Mon Sep 07 11:12:49 2015 +0100 @@ -8,6 +8,10 @@ #ifndef BOOST_MP_DETAIL_BITSCAN_HPP #define BOOST_MP_DETAIL_BITSCAN_HPP +#if defined(BOOST_MSVC) && (defined(_M_IX86) || defined(_M_X64)) +#include <Intrin.h> +#endif + namespace boost{ namespace multiprecision{ namespace detail{ template <class Unsigned> @@ -35,6 +39,9 @@ } #if defined(BOOST_MSVC) && (defined(_M_IX86) || defined(_M_X64)) + +#pragma intrinsic(_BitScanForward,_BitScanReverse) + BOOST_FORCEINLINE unsigned find_lsb(unsigned long mask, const mpl::int_<1>&) { unsigned long result; @@ -49,6 +56,9 @@ return result; } #ifdef _M_X64 + +#pragma intrinsic(_BitScanForward64,_BitScanReverse64) + BOOST_FORCEINLINE unsigned find_lsb(unsigned __int64 mask, const mpl::int_<2>&) { unsigned long result;