mem sharing fix [Re: Your flow.c change on 4/8]

[Richard Earnshaw]

rth@cygnus.com said:
> On Thu, Apr 13, 2000 at 04:28:29PM +0100, Richard Earnshaw wrote:
> Test case appended below.  Failure occurs with arm-semi-aout (and
> other 
> arm targets) with compiler flags "-O2 -g"

> This seems to work.  I'm not familiar with what "normal" ARM testsuite
> faliures should be.

> r~

> 	* flow.c (find_auto_inc): Don't autoinc eliminable registers.
> 	If the original source is dead in the incr insn, it's dead now.


With this patch (and one other, that I mentioned yesterday) arm-netbsd has 
just bootstrapped successfully.  Testsuite runs are still in progress.

This is a major step forward, so can this go in please.  I'll do a further 
test tonight to see if my other patch is still required.

R.