http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47675
--- Comment #2 from Michał Walenciak <Kicer86 at gmail dot com> 2011-02-10 11:37:11 UTC --- (In reply to comment #1) > Don't use clobbers then but save/restore the registers yourself. You can't > obviously take away all regs from GCC. Eventually this should be diagnosed > though - I suppose you do see warnings? the problem is that warn appears only if -O0 is used. It doesn't appear when any other -Ox is used. I know that I can push pop regs by myself but why g++ cannot ?
