New optimization for reload_combine

[Bernd Schmidt]

On 07/16/2010 08:32 PM, Jeff Law wrote:
> We're probably not talking about a huge issue, but we might as well take
> the more compact packing when we can get it.
> 
> Otherwise it looks fine.  Pre-approved after juggling the structure orders.

Yay.  Thanks!

Here's the variant that I committed.  It's a good thing Paolo made a
suggestion, as that exposed a new bootstrap failure - we really mustn't
move a stack pointer adjust.


Bernd
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