On 10/21/2011 09:13 AM, Peter Bigot wrote: > Are there any existing machine descriptions that do model the carry > flag separately, specifically to model rotate operations that use the > carry flag as the destination and source for the shifted bit? Or is > the best I can do for that is to have the value be an unspec, with a > use and clobber of the CC register (which currently blows up in > simplify_subreg, but I'm still experimenting).
I don't believe there are any extant with that behaviour. r~
