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Re: Dumb register allocation (PPC)
On Sun, May 12, 2002 at 07:54:56PM -0400, David Edelsohn wrote:
> Please see the
>
> Trivial code generation stupidity thread:
> http://gcc.gnu.org/ml/gcc/2001-12/msg00907.html
>
> which evolved into the
> cant_combine_insn_p hard_reg->reg moves thread:
> http://gcc.gnu.org/ml/gcc/2001-12/msg01283.html
>
> This is a general difficulty of GCC handling argument registers. The new
> register alloctor will allow us to start addressing it.
That's what I thought.
I observe that -fcprop-registers (as suggested in the thread you
referenced) is already on with -O1 and doesn't help any.
zw