On Fri, Sep 21, 2012 at 10:11 PM, Segher Boessenkool
wrote:
> Currently, the register predicates allow a subreg of anything,
> including memory or the wrong kind of register. Most other ports
> do not allow this. As far as I can see, this doesn't help the
> compiler generate better code, potenti
Currently, the register predicates allow a subreg of anything,
including memory or the wrong kind of register. Most other ports
do not allow this. As far as I can see, this doesn't help the
compiler generate better code, potentially the opposite.
This also causes a problem for my (upcoming) add-