diff options
Diffstat (limited to 'libstdc++-v3/config/cpu/powerpc/atomic_word.h')
| -rw-r--r-- | libstdc++-v3/config/cpu/powerpc/atomic_word.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libstdc++-v3/config/cpu/powerpc/atomic_word.h b/libstdc++-v3/config/cpu/powerpc/atomic_word.h index 12eafd8db4f..1ceb02cf702 100644 --- a/libstdc++-v3/config/cpu/powerpc/atomic_word.h +++ b/libstdc++-v3/config/cpu/powerpc/atomic_word.h @@ -1,6 +1,6 @@ // Low-level type for atomic operations -*- C++ -*- -// Copyright (C) 2004-2014 Free Software Foundation, Inc. +// Copyright (C) 2004-2015 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 @@ -27,10 +27,11 @@ typedef int _Atomic_word; -#define _GLIBCXX_READ_MEM_BARRIER __asm __volatile ("isync":::"memory") #ifdef __NO_LWSYNC__ +#define _GLIBCXX_READ_MEM_BARRIER __asm __volatile ("sync":::"memory") #define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("sync":::"memory") #else +#define _GLIBCXX_READ_MEM_BARRIER __asm __volatile ("lwsync":::"memory") #define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("lwsync":::"memory") #endif |