register hint usefulness

[Jakub Jelinek]

On Sat, Apr 22, 2000 at 06:56:16PM -0700, Anthony Green wrote:
> 
> Sylvain wrote:
> > I would like to know how useful "register" is with the current GCC.
> > Can it help the compiler somehow, or is it totally useless these days ?
> 
> I believe that it is completely useless in current snapshots.  GCC
> used to have two register allocators: the "stupid" one and the
> optimizing one.  The stupid allocator obeyed the register keyword.
> Stupid was recently removed from the compiler, however, because it was
> more trouble than it was worth.  (Thank you rth!)

Isn't "register" still needed for variables pinned into specific registers?
I remember gcc not putting a variable in specified hard register in certain
cases:
	int foo asm("g5");
but doing it always with:
	register int foo asm("g5");
so I'd guess it is not totally useless...

	Jakub