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[Bug tree-optimization/21636] Missed ccp optimization
- 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: 30 Apr 2008 19:06:00 -0000
- Subject: [Bug tree-optimization/21636] Missed ccp optimization
- References: <bug-21636-6528@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #10 from rguenth at gcc dot gnu dot org 2008-04-30 19:06 -------
Subject: Bug 21636
Author: rguenth
Date: Wed Apr 30 19:05:12 2008
New Revision: 134834
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=134834
Log:
2008-04-30 Richard Guenther <rguenther@suse.de>
PR tree-optimization/21636
* tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
constant address.
(evaluate_stmt): Print the likely value.
(ccp_visit_stmt): Avoid excessive vertical spacing.
* gcc.dg/tree-ssa/ssa-ccp-19.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-19.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21636