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Diffstat (limited to 'libstdc++-v3/include/parallel/compatibility.h')
-rw-r--r--libstdc++-v3/include/parallel/compatibility.h20
1 files changed, 13 insertions, 7 deletions
diff --git a/libstdc++-v3/include/parallel/compatibility.h b/libstdc++-v3/include/parallel/compatibility.h
index 9fffd8e012c..ed75215ceaf 100644
--- a/libstdc++-v3/include/parallel/compatibility.h
+++ b/libstdc++-v3/include/parallel/compatibility.h
@@ -1,6 +1,6 @@
// -*- C++ -*-
-// Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+// Copyright (C) 2007, 2008, 2009, 2010, 2012 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the terms
@@ -102,7 +102,7 @@ namespace __gnu_parallel
return _InterlockedExchangeAdd(reinterpret_cast<volatile long*>(__ptr),
__addend);
#elif defined(__GNUC__)
- return __sync_fetch_and_add(__ptr, __addend);
+ return __atomic_fetch_add(__ptr, __addend, __ATOMIC_ACQ_REL);
#elif defined(__SUNPRO_CC) && defined(__sparc)
volatile int32_t __before, __after;
do
@@ -145,11 +145,11 @@ namespace __gnu_parallel
return _InterlockedExchangeAdd64(__ptr, __addend);
#endif
#elif defined(__GNUC__) && defined(__x86_64)
- return __sync_fetch_and_add(__ptr, __addend);
+ return __atomic_fetch_add(__ptr, __addend, __ATOMIC_ACQ_REL);
#elif defined(__GNUC__) && defined(__i386) && \
(defined(__i686) || defined(__pentium4) || defined(__athlon) \
|| defined(__k8) || defined(__core2))
- return __sync_fetch_and_add(__ptr, __addend);
+ return __atomic_fetch_add(__ptr, __addend, __ATOMIC_ACQ_REL);
#elif defined(__SUNPRO_CC) && defined(__sparc)
volatile int64_t __before, __after;
do
@@ -252,7 +252,9 @@ namespace __gnu_parallel
__replacement, __comparand)
== __comparand;
#elif defined(__GNUC__)
- return __sync_bool_compare_and_swap(__ptr, __comparand, __replacement);
+ return __atomic_compare_exchange_n(__ptr, &__comparand, __replacement,
+ false, __ATOMIC_ACQ_REL,
+ __ATOMIC_RELAXED);
#elif defined(__SUNPRO_CC) && defined(__sparc)
return atomic_cas_32((volatile unsigned int*)__ptr, __comparand,
__replacement) == __comparand;
@@ -298,11 +300,15 @@ namespace __gnu_parallel
#endif
#elif defined(__GNUC__) && defined(__x86_64)
- return __sync_bool_compare_and_swap(__ptr, __comparand, __replacement);
+ return __atomic_compare_exchange_n(__ptr, &__comparand, __replacement,
+ false, __ATOMIC_ACQ_REL,
+ __ATOMIC_RELAXED);
#elif defined(__GNUC__) && defined(__i386) && \
(defined(__i686) || defined(__pentium4) || defined(__athlon) \
|| defined(__k8) || defined(__core2))
- return __sync_bool_compare_and_swap(__ptr, __comparand, __replacement);
+ return __atomic_compare_exchange_n(__ptr, &__comparand, __replacement,
+ false, __ATOMIC_ACQ_REL,
+ __ATOMIC_RELAXED);
#elif defined(__SUNPRO_CC) && defined(__sparc)
return atomic_cas_64((volatile unsigned long long*)__ptr,
__comparand, __replacement) == __comparand;