On Wed, May 4, 2016 at 2:37 PM, Bernd Schmidt <bschm...@redhat.com> wrote: > On 05/04/2016 03:25 PM, Ramana Radhakrishnan wrote: >> >> On ARM / AArch32 I haven't seen any performance data yet - the one >> place we are concerned about the impact is on Thumb2 code size as >> regrename may end up inadvertently putting more things in high >> registers. > > > In theory at least arm_preferred_rename_class is designed to make the > opposite happen.
Indeed, yes - I'd forgotten that hook - but yes we should see if something sticks out. regards Ramana > > > Bernd
