------- 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

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