[Bug rtl-optimization/43494] [4.4/4.5/4.6 Regression] Overlooked dependency causes wrong scheduling, wrong code

[aoliva at gcc dot gnu dot org]

------- Comment #27 from aoliva at gcc dot gnu dot org  2010-09-10 23:16 -------
> Shouldn't we do something else when hashing PRE_MODIFY?

I don't know, what else do you have in mind?

I'm posting an updated patch that implements your other suggestions
momentarily.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43494