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[Bug tree-optimization/50955] [4.7 Regression] IVopts incorrectly rewrite the address of a global memory access into a local form.
- 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, 06 Feb 2012 13:43:06 +0000
- Subject: [Bug tree-optimization/50955] [4.7 Regression] IVopts incorrectly rewrite the address of a global memory access into a local form.
- Auto-submitted: auto-generated
- References: <bug-50955-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50955
--- Comment #12 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-02-06 13:43:06 UTC ---
Author: rguenth
Date: Mon Feb 6 13:43:03 2012
New Revision: 183934
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183934
Log:
2012-02-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/50955
* tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
raise cost of expressions that replace an address with an
expression based on a different pointer.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-loop-ivopts.c