diff options
| author | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-11-18 00:22:45 +0000 |
|---|---|---|
| committer | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-11-18 00:22:45 +0000 |
| commit | ac951330a98a3e01a50cc60d43b75576c5c04271 (patch) | |
| tree | 732c162adaa79606a4d2a844a12e25444af0c6c7 /libstdc++-v3 | |
| parent | 003b2fa0d1e3da3efa6fa3cc7c2c6e38eff1a7a4 (diff) | |
gcc:
* config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
__NO_LWSYNC__ if TARGET_NO_LWSYNC.
* config/rs6000/sync.md (lwsync): Emit plain sync if
TARGET_NO_LWSYNC.
libstdc++-v3:
* config/cpu/powerpc/atomic_word.h (_GLIBCXX_WRITE_MEM_BARRIER):
Use plain sync if __NO_LWSYNC__.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@118961 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3')
| -rw-r--r-- | libstdc++-v3/ChangeLog | 5 | ||||
| -rw-r--r-- | libstdc++-v3/config/cpu/powerpc/atomic_word.h | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 2118ba1bcc9..a41049a7ff1 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,8 @@ +2006-11-18 Joseph Myers <joseph@codesourcery.com> + + * config/cpu/powerpc/atomic_word.h (_GLIBCXX_WRITE_MEM_BARRIER): + Use plain sync if __NO_LWSYNC__. + 2006-11-14 Joseph Myers <joseph@codesourcery.com> * testsuite/26_numerics/complex/13450.cc: Do not test long double diff --git a/libstdc++-v3/config/cpu/powerpc/atomic_word.h b/libstdc++-v3/config/cpu/powerpc/atomic_word.h index 2a5d192c54b..4f8c670d2a2 100644 --- a/libstdc++-v3/config/cpu/powerpc/atomic_word.h +++ b/libstdc++-v3/config/cpu/powerpc/atomic_word.h @@ -33,6 +33,10 @@ typedef int _Atomic_word; #define _GLIBCXX_READ_MEM_BARRIER __asm __volatile ("isync":::"memory") +#ifdef __NO_LWSYNC__ +#define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("sync":::"memory") +#else #define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("lwsync":::"memory") +#endif #endif |