Fix rtl sharing in ifcvt try 2

[Richard Henderson]

On Mon, Jun 30, 2003 at 07:07:20PM +0200, Jan Hubicka wrote:
> OK, so you mean to set centrelly these bits for all operands put into
> if_info and clear it after processing ...

Yes.  It reduces the number of places that you need to
change, and thus the chance that you'll miss something.

> Perhaps we need verifier thatn RTL is unshared.

Yes, this would be a good rtl-checking feature.



r~