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[Bug tree-optimization/51551] tree-loop-optimize chews all memory
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 14 Dec 2011 16:36:12 +0000
- Subject: [Bug tree-optimization/51551] tree-loop-optimize chews all memory
- Auto-submitted: auto-generated
- References: <bug-51551-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51551
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011-12-14
Known to work| |4.7.0
Ever Confirmed|0 |1
--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-12-14 16:36:12 UTC ---
It's complete unrolling (a known culprit). 4.7 works for some reason,
maybe because I fixed loop invariant motion (who knows ;)