Fix PR debug/24444: incorrect frame base in IA64 prologues

[Richard Henderson]

On Mon, Feb 06, 2006 at 06:38:05AM -0500, Jakub Jelinek wrote:
> But, if keeping the meaning of __builtin_dwarf_cfa ()
> is important, so be it, this is the price to pay for it.

I don't think we know if it's important.  Thus it's safest to 
make sure that it stays the same.  If it turns out not to be
important, then we can change it in some future gcc version.

> 	* config/ia64/unwind-ia64.c: Revert last change.
> 	* config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
> 	(INCOMING_FRAME_SP_OFFSET): Define.

Ok.


r~