Question about constraints and reload

[Ulrich Weigand]

Peter Barada wrote:
> >We really needs a target-dependent hook to allow reordering of the stack
> >slots before any code is generated. We did this as a Renesas project, and
> >saw a significant performance improvement on the SH; it should also help
> >MIPS16/Thumb signification, and even Alpha/PPC/MIPS targets if somebody
> >allocates a 32k array at the bottom of the stack.
> 
> M68000/Coldfire gets a benifit from this as well since they can only
> do signed 16 bit offset addressing from the frame/stack pointer.

S/390 would benefit as well.

Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  weigand@informatik.uni-erlangen.de