[Bug tree-optimization/26944] [4.1/4.2 Regression] -ftree-ch generates worse code

[dberlin at dberlin dot org]

------- Comment #3 from dberlin at gcc dot gnu dot org  2006-03-31 22:41 -------
Subject: Re:  [4.1/4.2 Regression] -ftree-ch
        generates worse code


> Compare pretmp.28_49 with pretmp.32_11, why are the arguments in a different
> order? Is there something unstable in the PRE algorithm?
> 

No, we just call fold on the expressions we build, and whatever it gives
us, we use :)


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26944