summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to '3rdParty/Boost/boost/smart_ptr/detail/atomic_count_gcc_x86.hpp')
m---------3rdParty/Boost0
-rw-r--r--3rdParty/Boost/boost/smart_ptr/detail/atomic_count_gcc_x86.hpp77
2 files changed, 0 insertions, 77 deletions
diff --git a/3rdParty/Boost b/3rdParty/Boost
new file mode 160000
+Subproject 3bbdbc8cf1996f23d9a366da8bac0f97be6ad79
diff --git a/3rdParty/Boost/boost/smart_ptr/detail/atomic_count_gcc_x86.hpp b/3rdParty/Boost/boost/smart_ptr/detail/atomic_count_gcc_x86.hpp
deleted file mode 100644
index 5c44d7c..0000000
--- a/3rdParty/Boost/boost/smart_ptr/detail/atomic_count_gcc_x86.hpp
+++ /dev/null
@@ -1,77 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_X86_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_X86_HPP_INCLUDED
-
-//
-// boost/detail/atomic_count_gcc_x86.hpp
-//
-// atomic_count for g++ on 486+/AMD64
-//
-// Copyright 2007 Peter Dimov
-//
-// Distributed under the Boost Software License, Version 1.0. (See
-// accompanying file LICENSE_1_0.txt or copy at
-// http://www.boost.org/LICENSE_1_0.txt)
-//
-
-namespace boost
-{
-
-namespace detail
-{
-
-class atomic_count
-{
-public:
-
- explicit atomic_count( long v ) : value_( static_cast< int >( v ) ) {}
-
- long operator++()
- {
- return atomic_exchange_and_add( &value_, +1 ) + 1;
- }
-
- long operator--()
- {
- return atomic_exchange_and_add( &value_, -1 ) - 1;
- }
-
- operator long() const
- {
- return atomic_exchange_and_add( &value_, 0 );
- }
-
-private:
-
- atomic_count(atomic_count const &);
- atomic_count & operator=(atomic_count const &);
-
- mutable int value_;
-
-private:
-
- static int atomic_exchange_and_add( int * pw, int dv )
- {
- // int r = *pw;
- // *pw += dv;
- // return r;
-
- int r;
-
- __asm__ __volatile__
- (
- "lock\n\t"
- "xadd %1, %0":
- "+m"( *pw ), "=r"( r ): // outputs (%0, %1)
- "1"( dv ): // inputs (%2 == %1)
- "memory", "cc" // clobbers
- );
-
- return r;
- }
-};
-
-} // namespace detail
-
-} // namespace boost
-
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_X86_HPP_INCLUDED