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

John David Anglin dave@hiauly1.hia.nrc.ca
Mon Sep 24 10:19:00 GMT 2001


> Another approach is to allow all constants in compare/branch insns initially,
> then use define_splits and friends to lower to the actual capabilities of
> the chip later.

Ths could be the best approach but my first impression was that it
was likely more work to implement.

Dave
-- 
J. David Anglin                                  dave.anglin@nrc.ca
National Research Council of Canada              (613) 990-0752 (FAX: 952-6605)



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