http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57708
Richard Earnshaw <rearnsha at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2013-08-02 Component|target |rtl-optimization Summary|function clobbers callee |[4.8 regression] function |saved register on ARM |clobbers callee saved | |register on ARM Ever confirmed|0 |1 --- Comment #3 from Richard Earnshaw <rearnsha at gcc dot gnu.org> --- This is a bug in peep2_find_free_register() which fails to correctly validate that second and subsequent registers in a multi-register mode are available for use. Marked as a regression since this code would have worked correctly on older compilers.