GCC 3.3 Prelease broken on s390

[Richard Henderson]

On Wed, May 07, 2003 at 03:13:39AM +0200, Ulrich Weigand wrote:
> ... which is completely ignored on s390 anyway (as SP is
> restored from its stack slot, where the correct new
> value was already stored by uw_install_context_1).

Ah, now I get it.  This was the piece I couldn't understand.
And if *this* is the case, it means that it doesn't matter
where you place the CFA relative to the stack frame, just so
long as the stack pointer itself is computed properly.

> What do you think?
> 
>         * unwind-dw2.c (uw_update_context_1): Only set cfa as sp if
>         previous frame didn't save sp.  Clear sp for next frame.
>         (uw_install_context_1): Honor saved sp from frame.

If this works, great.


r~