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[Bug middle-end/36542] 300% code bloat with -O3
- 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: 15 Jun 2008 12:43:11 -0000
- Subject: [Bug middle-end/36542] 300% code bloat with -O3
- References: <bug-36542-12873@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from pinskia at gcc dot gnu dot org 2008-06-15 12:43 -------
Try -O3 -fno-tree-vectorize and report the results. If the code size is back
to normal then this is not a bug. The vectorizer will cause this code bloat on
purpose for speed reasons.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36542