Re: RFA: reload infrastructure to fix PR target/21623

[Bernd Schmidt <bernds_cb1 at t-online dot de>]

Joern RENNECKE wrote:
> Joern Rennecke wrote:
>
> > Joern Rennecke wrote:
> >  
> > P.S.: We could make it a target hook, and have the default definition 
> > use reload_{in,out} optab.
> > Then we add the use of reload_{in,out}<mode> patterns to our list of 
> > obsolescent port features.
>
>
> P.P.S.:
> We can't actually do that easily, because when we only need a simple 
> temporary registers, we
> currently name the register class, without there being a pattern.  Now 
> we'll need patterns
> that guide us to find the right class.

Hmm, why?  Why can't we just return a class and CODE_FOR_nothing?


Bernd