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[Bug rtl-optimization/43494] [4.4/4.5/4.6 Regression] Overlooked dependency causes wrong scheduling, wrong code
- From: "aoliva at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Sep 2010 23:16:01 -0000
- Subject: [Bug rtl-optimization/43494] [4.4/4.5/4.6 Regression] Overlooked dependency causes wrong scheduling, wrong code
- References: <bug-43494-578@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla 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