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[Bug tree-optimization/36009] PRE causes missed loop store motion, store sinking doesn't work
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 11 May 2008 17:51:34 -0000
- Subject: [Bug tree-optimization/36009] PRE causes missed loop store motion, store sinking doesn't work
- References: <bug-36009-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from pinskia at gcc dot gnu dot org 2008-05-11 17:51 -------
I bet this is a regression in fact and not really an enhancement. Lim was
doing the store motion in previous versions of GCC but was disabled when the
aliasing oracle patch went in (there was no explication for that part of the
change).
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36009