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[Bug other/52754] [4.7/4.8 Regression] indirect indexing broken with -fpredictive-commoning
- 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: Fri, 30 Mar 2012 13:41:31 +0000
- Subject: [Bug other/52754] [4.7/4.8 Regression] indirect indexing broken with -fpredictive-commoning
- Auto-submitted: auto-generated
- References: <bug-52754-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52754
--- Comment #11 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-03-30 13:41:31 UTC ---
Author: rguenth
Date: Fri Mar 30 13:41:24 2012
New Revision: 186012
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186012
Log:
2012-03-30 Richard Guenther <rguenther@suse.de>
PR tree-optimization/52754
* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
propagate arbitrary addresses into really plain dereferences.
* gcc.target/i386/pr52754.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr52754.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-forwprop.c