------- Comment #4 from sebastian dot huber at embedded-brains dot de 2010-09-10 15:59 ------- (In reply to comment #3) > >For volatile fields we should use accesses of the appropriate width. > > The PowerPC ABI has specific rules for accessing volatile bitfields and IIRC > it > says they should be doing the largest available (up to the register size) > size. > > This is different from the ARM ABI which says the opposite. >
Thank you very much for your comments. I will investigate the PowerPC ABI issue and contact the manufacturer. Ironically they produced the ABI and these register definitions. -- sebastian dot huber at embedded-brains dot de changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45637