On 08/23/11 22:23, Uros Bizjak wrote: > On Tue, Aug 23, 2011 at 10:04 PM, Richard Henderson <r...@redhat.com> wrote: > >>> * config/i386/constraints.md (Yp): New register constraint. >>> * config/i386/i386.md (*addhi_1): Merge with *addhi_1_lea using >>> Yp register constraint. >>> (*addqi_1): Merge with *addqi_1_lea using Yp register constraint. >>> (*ashlhi3_1): Merge with *ashlhi3_1_lea using Yp register constraint. >>> (*ashlqi3_1): Merge with *ashlqi3_1_lea using Yp register constraint. >> >> You can still make use of attribute enabled... > > Yes, I am aware of this attribute, but OTOH, I propose that we use it > for ISA changes and don't mix everything together.
You could have sub-attributes, "isa_enabled" and "tuning_enabled", which are then anded together. Bernd
