Re: Patch 7/9: Introduce ira_object_t

[Jeff Law <law at redhat dot com>]

On 06/18/10 08:10, Bernd Schmidt wrote:
> This introduces a new structure, ira_object_t, which is split off from
> ira_allocno_t.  Objects are used to track information related to
> conflicts.  There is at the moment a 1:1 correspondence between objects
> and allocnos, but the plan is to introduce 2 objects for DImode allocnos
> with a suitable cover class.
I presume you're not going to try and deal with cases where the 
allocno's mode requires > 2 registers (most obvious example is XFmode in 
general registers on x86, but there are others).  I suspect that the 
gain for handling > 2 hard regs is so small that it's not worth the effort.

This patch is fine.

Jeff