https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98692
--- Comment #15 from Segher Boessenkool <segher at gcc dot gnu.org> --- (In reply to Will Schmidt from comment #14) > The _restgpr* and _savegpr* functions are not referenced when the test is > built at other optimization levels. (I've looked at disassembly from -O0 .. > -O4). Right, it is a size optimisation. > I do note that the _restgpr and _savegpr functions are called differently. > savegpr is called with bl while the restgpr is called via a direct branch; i > can't immediately tell if this is by design or if it is in error. It is by design: these are special functions defined by the ABI, specifically to save some code space.
