Fix predicate in decrement_and_branch_until_zero pattern on PA

[Richard Henderson]

On Mon, Jan 21, 2002 at 06:20:27PM -0500, John David Anglin wrote:
> 	* pa.md (decrement_and_branch_until_zero, movb): Use it.  Change "!*m"
> 	contraints to "*m".

I think this is exactly wrong, and that you should be preferring r.


r~