http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47675
Georg-Johann Lay <gjl at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |avr Status|UNCONFIRMED |RESOLVED Resolution| |INVALID --- Comment #3 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-10-21 21:04:39 UTC --- You must not clobber the frame pointer or other registers used by the ABI. For the avr-gcc register layout and calling convention, see http://gcc.gnu.org/wiki/avr-gcc