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r132899 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Wed, 05 Mar 2008 16:13:05 -0000
- Subject: r132899 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: rguenth
Date: Wed Mar 5 16:13:04 2008
New Revision: 132899
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=132899
Log:
2008-03-05 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:
trunk/gcc/testsuite/gcc.c-torture/execute/pr35472.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-dse.c