Patch to fix incorrect uses of sets_cc0_p.

[Richard Henderson]

On Mon, Aug 06, 2001 at 03:37:03PM -0400, John Wehle wrote:
> 	* rtl.h (only_sets_cc0_p): New prototype.
> 	* jump.c (sets_cc0_p): Handle INSN.
> 	(only_sets_cc0_p): New function.
> 	* flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
> 	(tidy_fallthru_edge): Likewise.
> 	* integrate.c (copy_insn_list): Likewise.
> 	* unroll.c (unroll_loop): Likewise.
> 	(copy_loop_body): Likewise.

Ok.


r~