[Bug rtl-optimization/37451] Extra addition for doloop in some cases

[pinskia at gcc dot gnu dot org]

------- Comment #2 from pinskia at gcc dot gnu dot org  2008-09-15 01:15 -------
Hmm, I posted a patch which fixes some of this but we still don't get rid of
the extra zero extend because of the way variables are promoted. Boo.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37451