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[Bug tree-optimization/23821] [4.0/4.1/4.2/4.3 Regression] DOM and VRP creating harder to optimize code
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 12 Jan 2008 12:29:44 -0000
- Subject: [Bug tree-optimization/23821] [4.0/4.1/4.2/4.3 Regression] DOM and VRP creating harder to optimize code
- References: <bug-23821-5077@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #17 from rguenth at gcc dot gnu dot org 2008-01-12 12:29 -------
Can you point me to those?
I still think we should separate VRP of constant and symbolic ranges. For
symbolic stuff we eventually want to utilize a theorem prover.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23821