[Bug target/48126] arm_output_sync_loop: misplaced memory barrier, missing clrex / dummy strex

[m.k.edwards at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48126

--- Comment #8 from Michael K. Edwards <m.k.edwards at gmail dot com> 2011-06-24 11:28:53 UTC ---
So I think we agree that the CLREX is needless, but the DMB should move after
the branch target.  Does that make this bug "confirmed"?  (I don't feel the
need for patch credit. :-)