This is to track this issue: http://gcc.gnu.org/ml/gcc/2005-11/msg00285.html
In a nutshell, we need an easy way to exploit the new atomic builtins in the library, irrespective of the actual target. -- Summary: Atomic builtins for v3 Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: pcarlini at suse dot de http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24692