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From mar...@apache.org
Subject svn commit: r902829 - /lucene/lucy/trunk/core/Lucy/Util/Atomic.bp
Date Mon, 25 Jan 2010 14:46:32 GMT
Author: marvin
Date: Mon Jan 25 14:46:32 2010
New Revision: 902829

URL: http://svn.apache.org/viewvc?rev=902829&view=rev
Log:
Fall back to pthread-based atomic simulation instead of using GCC intrinsics.
Use the presence of windows.h rather than intrin.h to test for Windows
atomics, since intrin.h is C++ linkage only.

Modified:
    lucene/lucy/trunk/core/Lucy/Util/Atomic.bp

Modified: lucene/lucy/trunk/core/Lucy/Util/Atomic.bp
URL: http://svn.apache.org/viewvc/lucene/lucy/trunk/core/Lucy/Util/Atomic.bp?rev=902829&r1=902828&r2=902829&view=diff
==============================================================================
--- lucene/lucy/trunk/core/Lucy/Util/Atomic.bp (original)
+++ lucene/lucy/trunk/core/Lucy/Util/Atomic.bp Mon Jan 25 14:46:32 2010
@@ -24,7 +24,7 @@
 }
 
 /********************************** Windows *******************************/
-#elif defined(CHY_HAS_INTRIN_H)
+#elif defined(CHY_HAS_WINDOWS_H)
 
 chy_bool_t
 lucy_Atomic_wrapped_cas_ptr(void *volatile *target, void *old_value, 
@@ -46,16 +46,6 @@
     return atomic_cas_ptr(target, old_value, new_value) == old_value;
 }
 
-/**************************** GCC 4.1.0 and later *************************/
-#elif (defined(__GNUC__) \
-    && (__GNUC__ * 100000 + __GNUC_MINOR__ * 1000 >= 401000))
-
-static CHY_INLINE chy_bool_t
-lucy_Atomic_cas_ptr(void *volatile *target, void *old_value, void *new_value)
-{
-    return __sync_bool_compare_and_swap(target, old_value, new_value);
-}
-
 /************************ Fall back to pthread.h. **************************/
 #elif defined(CHY_HAS_PTHREAD_H)
 #include <pthread.h>



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