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| author | Andrew Haley <aph@redhat.com> | 2009-08-12 16:10:12 +0000 |
|---|---|---|
| committer | Andrew Haley <aph@gcc.gnu.org> | 2009-08-12 16:10:12 +0000 |
| commit | 4b462d7786135d389f58ccda0a9dddf9ed4cee73 (patch) | |
| tree | 2b29a3b4b734755142382ee704c64493d0a28268 /gcc/java/gcj.texi | |
| parent | 97804369a99a4e9ab5609b158ce5b0becff36880 (diff) | |
| download | gcc-4b462d7786135d389f58ccda0a9dddf9ed4cee73.zip gcc-4b462d7786135d389f58ccda0a9dddf9ed4cee73.tar.gz gcc-4b462d7786135d389f58ccda0a9dddf9ed4cee73.tar.bz2 | |
builtins.c (compareAndSwapInt_builtin): Use flag_use_atomic_builtins.
2009-08-12 Andrew Haley <aph@redhat.com>
* builtins.c (compareAndSwapInt_builtin): Use
flag_use_atomic_builtins.
(compareAndSwapLong_builtin): Likewise.
(compareAndSwapObject_builtin): Likewise.
* jvspec.c: Add flag_use_atomic_builtins.
* gcj.texi: Likewise.
* java-tree.h: Likewise.
* lang.opt: Likewise.
From-SVN: r150699
Diffstat (limited to 'gcc/java/gcj.texi')
| -rw-r--r-- | gcc/java/gcj.texi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/java/gcj.texi b/gcc/java/gcj.texi index 00ac9f7..46b0899 100644 --- a/gcc/java/gcj.texi +++ b/gcc/java/gcj.texi @@ -607,6 +607,13 @@ On some systems it's necessary to insert inline checks whenever accessing an object via a reference. On other systems you won't need this because null pointer accesses are caught automatically by the processor. + +@item -fuse-atomic-builtins +On some systems, gcc can generate code for built-in atomic operations. +Use this option to force gcj to use these builtins when compiling Java +code. Where this capability is present it should be automatically +detected, so you won't usually need to use this option. + @end table @c man end |