diff options
| author | Torvald Riegel <triegel@redhat.com> | 2014-10-18 01:01:58 +0200 |
|---|---|---|
| committer | Torvald Riegel <triegel@redhat.com> | 2014-10-31 23:26:22 +0100 |
| commit | 7f981fc24a9156dba8cfe5e7eb8e87fa9d793f2a (patch) | |
| tree | 10ccc3e9173f0b5a94a9209ab86d6e591b45fafe /sysdeps/powerpc/powerpc32 | |
| parent | d6f373d21b19565838cb9848c15b8070f2fe1305 (diff) | |
| download | glibc-7f981fc24a9156dba8cfe5e7eb8e87fa9d793f2a.tar.gz glibc-7f981fc24a9156dba8cfe5e7eb8e87fa9d793f2a.tar.xz glibc-7f981fc24a9156dba8cfe5e7eb8e87fa9d793f2a.zip | |
powerpc: Change atomic_write_barrier to have release semantics.
Diffstat (limited to 'sysdeps/powerpc/powerpc32')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/bits/atomic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/bits/atomic.h b/sysdeps/powerpc/powerpc32/bits/atomic.h index 7613bdc485..a3dd09cd9a 100644 --- a/sysdeps/powerpc/powerpc32/bits/atomic.h +++ b/sysdeps/powerpc/powerpc32/bits/atomic.h @@ -117,6 +117,7 @@ # ifndef UP # define __ARCH_REL_INSTR "lwsync" # endif +# define atomic_write_barrier() __asm ("lwsync" ::: "memory") #else /* * Older powerpc32 processors don't support the new "light weight" @@ -124,6 +125,7 @@ * for all powerpc32 applications. */ # define atomic_read_barrier() __asm ("sync" ::: "memory") +# define atomic_write_barrier() __asm ("sync" ::: "memory") #endif /* |