Re: Fix rtl sharing in ifcvt try 2

[Jan Hubicka <jh at suse dot cz>]

> 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.

This sounds like good argument too.  My intuition was that it is trickier
to understand so it will more likely to break later.
> 
> > Perhaps we need verifier thatn RTL is unshared.
> 
> Yes, this would be a good rtl-checking feature.

OK, I will do both tommorow after the exam I have.
Is unshare_all_insns_again expected to be noop on random pre-reload INSN
chain?
Thanks!

Honza
> 
> 
> 
> r~