unwind info for darwin

[Jeff Sturm]

On Mon, 20 Jan 2003, Andreas Tobler wrote:
> 2003-01-20  Andreas Tobler  <a.tobler@schweiz.ch>
> 	* src/powerpc/darwin.S: Add unwind info.

These labels aren't used anywhere:

> +LCFI1:
>  	stw	r29,-12(r8)
> +LCFI2:
> 	stw	r30, -8(r8)
> +LCFI3:
>  	stw	r31, -4(r8)
> +LCFI4:
>  	stw	r9,  8(r8)
> +LCFI5: