Why can't CSE recognize const_int's in HIGH LO_SUM pair?

Richard Henderson rth@redhat.com
Mon Sep 10 11:32:00 GMT 2001


On Mon, Sep 10, 2001 at 02:09:00PM -0400, Daniel Berlin wrote:
> Without rematerialization,  or live range splitting, we'd spill twice
> as much as we would before here.

But reload _does_ do simple rematerialization.  See reg_equiv_constant.



r~



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