On 16/06/12 13:42, Richard Sandiford wrote: > Roland McGrath <mcgra...@google.com> writes: >> On Thu, Jun 14, 2012 at 1:13 PM, Mike Stump <mikest...@comcast.net> wrote: >>> On Jun 14, 2012, at 10:16 AM, Roland McGrath wrote: >>>> But if e.g. I use -ffixed-r9 then I think it's a reasonable expectation >>>> that no code is generated that touches r9 in any way, shape, or form. >>> >>> Also, I can't help but wonder if global_regs is respected. >> >> It's clearly not. Making the added condition !fixed_regs[i] && >> !global_regs[i] seems sensible to me. > > All global registers have to be fixed though. The original seemed > fine to me FWIW. > > Richard > Indeed, see globalize_reg() in reginfo.c.
R.
