https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64008
--- Comment #1 from Kazumoto Kojima <kkojima at gcc dot gnu.org> --- (In reply to Oleg Endo from comment #0) > Kaz, do you have any idea why these SUPPORT_SH* macros are needed? Why > isn't just every CPU/FPU type marked as supported? I have no idea for those macros. Some historical reason?
