[ast-optimizer-branch] Simplification is pretty expensive

[Daniel Berlin]

On 4 Jun 2002, Diego Novillo wrote:

> On Tue, 2002-06-04 at 13:22, Jan Hubicka wrote:
> 
> > I tought it just enabled the simplification pass?
> > 
> Yes, but simplification was not really enabled until we fixed the
> bootstrap problems.

It's not surprising that it causes worse scores.
Fer instance, the for loop screw up alone could account for worse scores .
In case you've forgotten, remember I pointed out that it seems to, exactly 
when it can't matter except to be pointless, shares the for init header with the for expr, so 
that you end up with

say 
for (t.3 = a + 5; q < 40 ; t.3 = a + 5)


--Dan