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[Bug middle-end/39976] [4.5/4.6/4.7 Regression] Big sixtrack degradation on powerpc 32/64 after revision r146817
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 01 Dec 2011 22:30:26 +0000
- Subject: [Bug middle-end/39976] [4.5/4.6/4.7 Regression] Big sixtrack degradation on powerpc 32/64 after revision r146817
- Auto-submitted: auto-generated
- References: <bug-39976-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39976
--- Comment #41 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-12-01 22:30:26 UTC ---
(In reply to comment #40)
> OK, sounds good. I'll take this one.
Interesting Jeff Law posted a different patch to
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45685 which will also fix this
issue but that one only handles constants. Though it handles slightly more
than just redundant constant PHIs.