From 7f981fc24a9156dba8cfe5e7eb8e87fa9d793f2a Mon Sep 17 00:00:00 2001 From: Torvald Riegel Date: Sat, 18 Oct 2014 01:01:58 +0200 Subject: powerpc: Change atomic_write_barrier to have release semantics. --- sysdeps/powerpc/powerpc32/bits/atomic.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'sysdeps/powerpc/powerpc32/bits') 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 /* -- cgit 1.4.1