http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50046
--- Comment #3 from Steve Kargl <sgk at troutmask dot apl.washington.edu> 2011-08-11 20:18:29 UTC --- On Thu, Aug 11, 2011 at 07:57:39PM +0000, mikael at gcc dot gnu.org wrote: > > (In reply to comment #0) > > 'FFFF0000'X had be changed to -65536 to successfully compile. > > > According to the above, I'm afraid this is not the standard syntax. > Does it work with Z'FFFF0000'? The 'X' postfix notation is an extension due to g77 compatiability.