http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49515
--- Comment #2 from Uros Bizjak <ubizjak at gmail dot com> 2011-06-24 07:42:20 UTC --- (In reply to comment #1) > Is linker relaxation messing with this code sequence, perhaps? You are correct. Adding -Wl,--no-relax produces correct binary. I will open a binutils bugreport and recycle this one as a RA problem due to extra register move.