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Re: [tree-ssa] Improve jump threading


In message <20031215231608.GW12274@kam.mff.cuni.cz>, Jan Hubicka writes:
 >
 >OK, lets see when you are done with it.
 >I don't seem to be able to come with common scenario where RTL
 >expansion should introduce more jump threading, so I would be in favour
 >of dropping it, but all we need to do some benchmarking once code is at
 >place.
Lowering 64bit arithmetic on 32bit machines could introduce additional
threading opportunities is an immediate and obvious example -- and 
one of my favorites since that problem has to be solved for cse1 to
be radically scaled back as well.

jeff


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