http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56165
--- Comment #16 from Alexander Kobets <akobets at mail dot ru> 2013-02-03 22:02:06 UTC --- (In reply to comment #15) > But no error is printed when I use -mpreferred-stack-boundary=4 on 64-bit CPU. > Only when defined 0, then printed: > error: -mpreferred-stack-boundary=0 is not between 4 and 12 > while 4 is realy not worked. Sorry, I cont this parameter in bytes, while it is power of 2. Now all clear to me.
