[Boost-commit] svn:boost r78127 - trunk/libs/context/src

Subject: [Boost-commit] svn:boost r78127 - trunk/libs/context/src
From: oliver.kowalke_at_[hidden]
Date: 2012-04-22 04:43:02

Author: olli
Date: 2012-04-22 04:43:01 EDT (Sun, 22 Apr 2012)
New Revision: 78127
URL: http://svn.boost.org/trac/boost/changeset/78127

Log:
context: use bitwise logical AND instead shift operators in align_stack

Text files modified: 
   trunk/libs/context/src/fcontext.cpp |     3 +--                                     
   1 files changed, 1 insertions(+), 2 deletions(-)

Modified: trunk/libs/context/src/fcontext.cpp
==============================================================================
--- trunk/libs/context/src/fcontext.cpp	(original)
+++ trunk/libs/context/src/fcontext.cpp	2012-04-22 04:43:01 EDT (Sun, 22 Apr 2012)
@@ -23,8 +23,7 @@
 {
         void * base = vp;
     if ( 0 != ( ( ( uintptr_t) base) & 15) )
-        base = ( char * )(
-            ( ( ( ( uintptr_t) base) - 16) >> 4) << 4);
+        base = ( char * ) ( ( ( ( uintptr_t) base) - 15) & ~0x0F);
         return base;
 }