diff options
Diffstat (limited to 'boost/multiprecision/detail/bitscan.hpp')
-rw-r--r-- | boost/multiprecision/detail/bitscan.hpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/boost/multiprecision/detail/bitscan.hpp b/boost/multiprecision/detail/bitscan.hpp index 21e8b8a3a9..c12606551f 100644 --- a/boost/multiprecision/detail/bitscan.hpp +++ b/boost/multiprecision/detail/bitscan.hpp @@ -143,9 +143,12 @@ BOOST_FORCEINLINE unsigned find_msb(boost::ulong_long_type mask, mpl::int_<3> co return sizeof(boost::ulong_long_type) * CHAR_BIT - 1 - __builtin_clzll(mask); } #ifdef BOOST_HAS_INT128 -BOOST_FORCEINLINE unsigned find_msb(unsigned __int128 mask, mpl::int_<0> const&) + +__extension__ typedef unsigned __int128 uint128_type; + +BOOST_FORCEINLINE unsigned find_msb(uint128_type mask, mpl::int_<0> const&) { - union { unsigned __int128 v; boost::uint64_t sv[2]; } val; + union { uint128_type v; boost::uint64_t sv[2]; } val; val.v = mask; #ifdef BOOST_LITTLE_ENDIAN if(val.sv[1]) @@ -157,9 +160,9 @@ BOOST_FORCEINLINE unsigned find_msb(unsigned __int128 mask, mpl::int_<0> const&) return find_msb(val.sv[1], mpl::int_<3>()); #endif } -BOOST_FORCEINLINE unsigned find_lsb(unsigned __int128 mask, mpl::int_<0> const&) +BOOST_FORCEINLINE unsigned find_lsb(uint128_type mask, mpl::int_<0> const&) { - union { unsigned __int128 v; boost::uint64_t sv[2]; } val; + union { uint128_type v; boost::uint64_t sv[2]; } val; val.v = mask; #ifdef BOOST_LITTLE_ENDIAN if(val.sv[0] == 0) |