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Added cmpxchg16b detection for clang-win.

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This commit is contained in:
Andrey Semashev
2019-10-13 10:57:52 +03:00
parent b2594ecbc0
commit 282b4c2ca6
1 changed files with 5 additions and 1 deletions
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6
include/boost/atomic/detail/caps_msvc_x86.hpp
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@@ -26,8 +26,12 @@
#define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B 1
#endif
#if _MSC_VER >= 1500 && defined(_M_AMD64) && !defined(BOOST_ATOMIC_NO_CMPXCHG16B)
#if !defined(BOOST_ATOMIC_NO_CMPXCHG16B)
#if defined(__clang__) && (defined(_M_AMD64) || defined(__x86_64__)) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16)
#define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B 1
#elif _MSC_VER >= 1500 && defined(_M_AMD64)
#define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B 1
#endif
#endif
#if defined(_MSC_VER) && (defined(_M_AMD64) || (defined(_M_IX86) && defined(_M_IX86_FP) && _M_IX86_FP >= 2))