diff options
| author | bryce <bryce@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-21 00:26:46 +0000 |
|---|---|---|
| committer | bryce <bryce@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-21 00:26:46 +0000 |
| commit | d30cece008b62a32c342597ac2f1c074c1d510f1 (patch) | |
| tree | 9c7009e8040fa889ee77996438bd374542bd3833 /libjava/sysdep | |
| parent | 9f61d5726a1ef8a44fce91ba7764d64d3fadf5b5 (diff) | |
| download | gcc-d30cece008b62a32c342597ac2f1c074c1d510f1.tar.gz | |
* posix-threads.cc (_Jv_ThreadSelf_out_of_line): Use write_barrier,
not release_set.
* sysdep/powerpc/locks.h (write_barrier): New function.
* sysdep/i386/locks.h (write_barrier): New function.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51101 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/sysdep')
| -rw-r--r-- | libjava/sysdep/i386/locks.h | 8 | ||||
| -rw-r--r-- | libjava/sysdep/powerpc/locks.h | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/libjava/sysdep/i386/locks.h b/libjava/sysdep/i386/locks.h index 0c029ac939a..a9501ae99b2 100644 --- a/libjava/sysdep/i386/locks.h +++ b/libjava/sysdep/i386/locks.h @@ -62,4 +62,12 @@ read_barrier() { } +// Ensure that prior stores to memory are completed with respect to other +// processors. +inline static void +write_barrier() +{ + // X86 does not reorder writes. We just need to ensure that gcc also doesn't. + __asm__ __volatile__(" " : : : "memory"); +} #endif diff --git a/libjava/sysdep/powerpc/locks.h b/libjava/sysdep/powerpc/locks.h index 414b5dcb7f8..4d4532b1f83 100644 --- a/libjava/sysdep/powerpc/locks.h +++ b/libjava/sysdep/powerpc/locks.h @@ -75,4 +75,12 @@ read_barrier() __asm__ __volatile__ ("isync" : : : "memory"); } +// Ensure that prior stores to memory are completed with respect to other +// processors. +inline static void +write_barrier() +{ + __asm__ __volatile__ ("sync" : : : "memory"); +} + #endif |