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[Bug c/35634] [4.4/4.5/4.6/4.7 Regression] operand of pre-/postin-/decrement not promoted
- 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, 18 Jul 2011 08:17:56 +0000
- Subject: [Bug c/35634] [4.4/4.5/4.6/4.7 Regression] operand of pre-/postin-/decrement not promoted
- Auto-submitted: auto-generated
- References: <bug-35634-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35634
--- Comment #31 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-07-18 08:16:58 UTC ---
Well, I'd still go for comment#14 ... we could teach VRP to shorten the
operations again, if possible, to avoid the optimization regressions.