http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47454
--- Comment #3 from Carrot <carrot at google dot com> 2011-01-31 08:48:40 UTC --- (In reply to comment #2) > -frename-registers should help for this issue on the ARM. All of r8 can be renamed to r2, in this case only two of them have been renamed.