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r133004 - in /branches/gcc-4_3-branch/gcc: Chan...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Fri, 07 Mar 2008 09:47:07 -0000
- Subject: r133004 - in /branches/gcc-4_3-branch/gcc: Chan...
Author: rguenth
Date: Fri Mar 7 09:47:06 2008
New Revision: 133004
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=133004
Log:
2008-03-07 Richard Guenther <rguenther@suse.de>
PR tree-optimization/35472
* tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
whose single use_stmt has a overlapping set of loaded and
stored symbols as that use_stmt might be a noop assignment then.
* gcc.c-torture/execute/pr35472.c: New testcase.
Added:
branches/gcc-4_3-branch/gcc/testsuite/gcc.c-torture/execute/pr35472.c
- copied unchanged from r132899, trunk/gcc/testsuite/gcc.c-torture/execute/pr35472.c
Modified:
branches/gcc-4_3-branch/gcc/ChangeLog
branches/gcc-4_3-branch/gcc/testsuite/ChangeLog
branches/gcc-4_3-branch/gcc/tree-ssa-dse.c