fix ifcvt rtl sharing

[Richard Henderson]

On Wed, Aug 27, 2003 at 11:58:05AM +0930, Alan Modra wrote:
> 	PR optimization/12067
> 	* ifcvt.c (noce_try_cmove): Unshare cond rtl.
> 	(noce_try_addcc): Likewise.
> 	(noce_try_cmove_arith): Likewise.
> 	(noce_get_alt_condition): Likewise.
> 
> Bootstrapped i686-linux, regression test in progress.  OK for head/3.3?

Jan has a patch to do all of this correctly.  I thought it was 
checked in, but it isn't.  Jan, what's the status with that?


r~