http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48459
Richard Henderson <rth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #24478|0 |1 is obsolete| | --- Comment #17 from Richard Henderson <rth at gcc dot gnu.org> 2011-06-13 19:28:33 UTC --- Created attachment 24512 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24512 loosen constraints on register elimination This seems to fix the problem. At least for this small test case. A full build for AVR fails, but that seems to be related to other open bugs.