[Boost-commit] svn:boost r80454 - trunk/boost/atomic/detail

Subject: [Boost-commit] svn:boost r80454 - trunk/boost/atomic/detail
From: tim_at_[hidden]
Date: 2012-09-08 12:36:12

Author: timblechmann
Date: 2012-09-08 12:36:11 EDT (Sat, 08 Sep 2012)
New Revision: 80454
URL: http://svn.boost.org/trac/boost/changeset/80454

Log:
atomic: fix const-correctnes of double-width load

Text files modified: 
   trunk/boost/atomic/detail/gcc-x86.hpp |     4 ++--                                    
   1 files changed, 2 insertions(+), 2 deletions(-)

Modified: trunk/boost/atomic/detail/gcc-x86.hpp
==============================================================================
--- trunk/boost/atomic/detail/gcc-x86.hpp	(original)
+++ trunk/boost/atomic/detail/gcc-x86.hpp	2012-09-08 12:36:11 EDT (Sat, 08 Sep 2012)
@@ -1556,11 +1556,11 @@
 
 template<typename T>
 T
-platform_load64(volatile T * ptr)
+platform_load64(const volatile T * ptr)
 {
     T expected = *ptr;
     do {
-    } while (!platform_cmpxchg64_strong(expected, expected, ptr));
+    } while (!platform_cmpxchg64_strong(expected, expected, const_cast<volatile T*>(ptr)));
     return expected;
 }