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[Bug tree-optimization/53081] memcpy/memset loop recognition
- 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: Mon, 23 Apr 2012 10:26:45 +0000
- Subject: [Bug tree-optimization/53081] memcpy/memset loop recognition
- Auto-submitted: auto-generated
- References: <bug-53081-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53081
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |missed-optimization
Status|UNCONFIRMED |NEW
Last reconfirmed| |2012-04-23
CC| |rguenth at gcc dot gnu.org
Component|middle-end |tree-optimization
Version|unknown |4.8.0
Ever Confirmed|0 |1
--- Comment #8 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-04-23 10:26:45 UTC ---
clearing recognition is enabled by default at -O2+ with
-ftree-loop-distribute-patterns. I agree more general memset handling would be
nice, as well as
memcpy and memmove recognition.