Reorder some tree codes

[Mark Mitchell]

Nathan Sidwell wrote:
> Mark Mitchell wrote:
> 
> I can confirm this got the same improvements as before.  (I've also
> filed a couple of bug reports about fold-const NOT spotting range tests
> under certain circumstances.)
> 
> booted & tested on i686-pc-linux-gnu, ok?

Yes, I think that addresses the spirit of the objections to your 
original patch.  A bit lame that it doesn't work independent of the 
ordering of the tests, but so be it.

Thanks,

-- 
Mark Mitchell
CodeSourcery, LLC
mark@codesourcery.com
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