Skip to content

Use bit scan intrinsic on Windows ARM64 platform #192

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
pdimov merged 1 commit into from
Apr 16, 2025
Merged

Use bit scan intrinsic on Windows ARM64 platform #192

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 5 additions & 5 deletions include/boost/core/bit.hpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@
# pragma intrinsic(_BitScanForward)
# pragma intrinsic(_BitScanReverse)

# if defined(_M_X64)
# if defined(_M_X64) || defined(_M_ARM64)
# pragma intrinsic(_BitScanForward64)
# pragma intrinsic(_BitScanReverse64)
# endif
Expand Down Expand Up @@ -230,7 +230,7 @@ inline int countl_impl( boost::uint16_t x ) BOOST_NOEXCEPT

#endif

#if defined(_MSC_VER) && defined(_M_X64) && defined(BOOST_CORE_HAS_BUILTIN_ISCONSTEVAL)
#if defined(_MSC_VER) && (defined(_M_X64) || defined(_M_ARM64)) && defined(BOOST_CORE_HAS_BUILTIN_ISCONSTEVAL)

BOOST_CXX14_CONSTEXPR inline int countl_impl( boost::uint64_t x ) BOOST_NOEXCEPT
{
Expand All @@ -255,7 +255,7 @@ BOOST_CXX14_CONSTEXPR inline int countl_impl( boost::uint64_t x ) BOOST_NOEXCEPT
}
}

#elif defined(_MSC_VER) && defined(_M_X64)
#elif defined(_MSC_VER) && (defined(_M_X64) || defined(_M_ARM64))

inline int countl_impl( boost::uint64_t x ) BOOST_NOEXCEPT
{
Expand Down Expand Up @@ -455,7 +455,7 @@ inline int countr_impl( boost::uint16_t x ) BOOST_NOEXCEPT

#endif

#if defined(_MSC_VER) && defined(_M_X64) && defined(BOOST_CORE_HAS_BUILTIN_ISCONSTEVAL)
#if defined(_MSC_VER) && (defined(_M_X64) || defined(_M_ARM64)) && defined(BOOST_CORE_HAS_BUILTIN_ISCONSTEVAL)

BOOST_CXX14_CONSTEXPR inline int countr_impl( boost::uint64_t x ) BOOST_NOEXCEPT
{
Expand All @@ -480,7 +480,7 @@ BOOST_CXX14_CONSTEXPR inline int countr_impl( boost::uint64_t x ) BOOST_NOEXCEPT
}
}

#elif defined(_MSC_VER) && defined(_M_X64)
#elif defined(_MSC_VER) && (defined(_M_X64) || defined(_M_ARM64))

inline int countr_impl( boost::uint64_t x ) BOOST_NOEXCEPT
{
Expand Down
Loading