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-rw-r--r--contrib/src/boost/smart_ptr/detail/sp_counted_base_gcc_ia64.hpp316
1 files changed, 158 insertions, 158 deletions
diff --git a/contrib/src/boost/smart_ptr/detail/sp_counted_base_gcc_ia64.hpp b/contrib/src/boost/smart_ptr/detail/sp_counted_base_gcc_ia64.hpp
index 2bd790e..f6e3904 100644
--- a/contrib/src/boost/smart_ptr/detail/sp_counted_base_gcc_ia64.hpp
+++ b/contrib/src/boost/smart_ptr/detail/sp_counted_base_gcc_ia64.hpp
@@ -1,158 +1,158 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_IA64_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_IA64_HPP_INCLUDED
-
-//
-// detail/sp_counted_base_gcc_ia64.hpp - g++ on IA64
-//
-// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
-// Copyright 2004-2006 Peter Dimov
-// Copyright 2005 Ben Hutchings
-//
-// 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)
-//
-//
-// Lock-free algorithm by Alexander Terekhov
-//
-
-#include <boost/detail/sp_typeinfo.hpp>
-
-namespace boost
-{
-
-namespace detail
-{
-
-inline void atomic_increment( int * pw )
-{
- // ++*pw;
-
- int tmp;
-
- // No barrier is required here but fetchadd always has an acquire or
- // release barrier associated with it. We choose release as it should be
- // cheaper.
- __asm__ ("fetchadd4.rel %0=%1,1" :
- "=r"(tmp), "=m"(*pw) :
- "m"( *pw ));
-}
-
-inline int atomic_decrement( int * pw )
-{
- // return --*pw;
-
- int rv;
-
- __asm__ (" fetchadd4.rel %0=%1,-1 ;; \n"
- " cmp.eq p7,p0=1,%0 ;; \n"
- "(p7) ld4.acq %0=%1 " :
- "=&r"(rv), "=m"(*pw) :
- "m"( *pw ) :
- "p7");
-
- return rv;
-}
-
-inline int atomic_conditional_increment( int * pw )
-{
- // if( *pw != 0 ) ++*pw;
- // return *pw;
-
- int rv, tmp, tmp2;
-
- __asm__ ("0: ld4 %0=%3 ;; \n"
- " cmp.eq p7,p0=0,%0 ;; \n"
- "(p7) br.cond.spnt 1f \n"
- " mov ar.ccv=%0 \n"
- " add %1=1,%0 ;; \n"
- " cmpxchg4.acq %2=%3,%1,ar.ccv ;; \n"
- " cmp.ne p7,p0=%0,%2 ;; \n"
- "(p7) br.cond.spnt 0b \n"
- " mov %0=%1 ;; \n"
- "1:" :
- "=&r"(rv), "=&r"(tmp), "=&r"(tmp2), "=m"(*pw) :
- "m"( *pw ) :
- "ar.ccv", "p7");
-
- return rv;
-}
-
-class sp_counted_base
-{
-private:
-
- sp_counted_base( sp_counted_base const & );
- sp_counted_base & operator= ( sp_counted_base const & );
-
- int use_count_; // #shared
- int weak_count_; // #weak + (#shared != 0)
-
-public:
-
- sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
- {
- }
-
- virtual ~sp_counted_base() // nothrow
- {
- }
-
- // dispose() is called when use_count_ drops to zero, to release
- // the resources managed by *this.
-
- virtual void dispose() = 0; // nothrow
-
- // destroy() is called when weak_count_ drops to zero.
-
- virtual void destroy() // nothrow
- {
- delete this;
- }
-
- virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
- virtual void * get_untyped_deleter() = 0;
-
- void add_ref_copy()
- {
- atomic_increment( &use_count_ );
- }
-
- bool add_ref_lock() // true on success
- {
- return atomic_conditional_increment( &use_count_ ) != 0;
- }
-
- void release() // nothrow
- {
- if( atomic_decrement( &use_count_ ) == 0 )
- {
- dispose();
- weak_release();
- }
- }
-
- void weak_add_ref() // nothrow
- {
- atomic_increment( &weak_count_ );
- }
-
- void weak_release() // nothrow
- {
- if( atomic_decrement( &weak_count_ ) == 0 )
- {
- destroy();
- }
- }
-
- long use_count() const // nothrow
- {
- return static_cast<int const volatile &>( use_count_ ); // TODO use ld.acq here
- }
-};
-
-} // namespace detail
-
-} // namespace boost
-
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_IA64_HPP_INCLUDED
+#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_IA64_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_IA64_HPP_INCLUDED
+
+//
+// detail/sp_counted_base_gcc_ia64.hpp - g++ on IA64
+//
+// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
+// Copyright 2004-2006 Peter Dimov
+// Copyright 2005 Ben Hutchings
+//
+// 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)
+//
+//
+// Lock-free algorithm by Alexander Terekhov
+//
+
+#include <boost/detail/sp_typeinfo.hpp>
+
+namespace boost
+{
+
+namespace detail
+{
+
+inline void atomic_increment( int * pw )
+{
+ // ++*pw;
+
+ int tmp;
+
+ // No barrier is required here but fetchadd always has an acquire or
+ // release barrier associated with it. We choose release as it should be
+ // cheaper.
+ __asm__ ("fetchadd4.rel %0=%1,1" :
+ "=r"(tmp), "=m"(*pw) :
+ "m"( *pw ));
+}
+
+inline int atomic_decrement( int * pw )
+{
+ // return --*pw;
+
+ int rv;
+
+ __asm__ (" fetchadd4.rel %0=%1,-1 ;; \n"
+ " cmp.eq p7,p0=1,%0 ;; \n"
+ "(p7) ld4.acq %0=%1 " :
+ "=&r"(rv), "=m"(*pw) :
+ "m"( *pw ) :
+ "p7");
+
+ return rv;
+}
+
+inline int atomic_conditional_increment( int * pw )
+{
+ // if( *pw != 0 ) ++*pw;
+ // return *pw;
+
+ int rv, tmp, tmp2;
+
+ __asm__ ("0: ld4 %0=%3 ;; \n"
+ " cmp.eq p7,p0=0,%0 ;; \n"
+ "(p7) br.cond.spnt 1f \n"
+ " mov ar.ccv=%0 \n"
+ " add %1=1,%0 ;; \n"
+ " cmpxchg4.acq %2=%3,%1,ar.ccv ;; \n"
+ " cmp.ne p7,p0=%0,%2 ;; \n"
+ "(p7) br.cond.spnt 0b \n"
+ " mov %0=%1 ;; \n"
+ "1:" :
+ "=&r"(rv), "=&r"(tmp), "=&r"(tmp2), "=m"(*pw) :
+ "m"( *pw ) :
+ "ar.ccv", "p7");
+
+ return rv;
+}
+
+class sp_counted_base
+{
+private:
+
+ sp_counted_base( sp_counted_base const & );
+ sp_counted_base & operator= ( sp_counted_base const & );
+
+ int use_count_; // #shared
+ int weak_count_; // #weak + (#shared != 0)
+
+public:
+
+ sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
+ {
+ }
+
+ virtual ~sp_counted_base() // nothrow
+ {
+ }
+
+ // dispose() is called when use_count_ drops to zero, to release
+ // the resources managed by *this.
+
+ virtual void dispose() = 0; // nothrow
+
+ // destroy() is called when weak_count_ drops to zero.
+
+ virtual void destroy() // nothrow
+ {
+ delete this;
+ }
+
+ virtual void * get_deleter( sp_typeinfo const & ti ) = 0;
+ virtual void * get_untyped_deleter() = 0;
+
+ void add_ref_copy()
+ {
+ atomic_increment( &use_count_ );
+ }
+
+ bool add_ref_lock() // true on success
+ {
+ return atomic_conditional_increment( &use_count_ ) != 0;
+ }
+
+ void release() // nothrow
+ {
+ if( atomic_decrement( &use_count_ ) == 0 )
+ {
+ dispose();
+ weak_release();
+ }
+ }
+
+ void weak_add_ref() // nothrow
+ {
+ atomic_increment( &weak_count_ );
+ }
+
+ void weak_release() // nothrow
+ {
+ if( atomic_decrement( &weak_count_ ) == 0 )
+ {
+ destroy();
+ }
+ }
+
+ long use_count() const // nothrow
+ {
+ return static_cast<int const volatile &>( use_count_ ); // TODO use ld.acq here
+ }
+};
+
+} // namespace detail
+
+} // namespace boost
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_IA64_HPP_INCLUDED