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r189321 - in /trunk/gcc: ChangeLog tree-ssa-scc...
- From: vries at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Fri, 06 Jul 2012 11:07:32 -0000
- Subject: r189321 - in /trunk/gcc: ChangeLog tree-ssa-scc...
Author: vries
Date: Fri Jul 6 11:07:32 2012
New Revision: 189321
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189321
Log:
2012-07-06 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/52009
* tree-ssa-tail-merge.c (gimple_equal_p): For GIMPLE_ASSIGN, compare
value numbers of gimple_vdef.
* tree-ssa-sccvn.h (vn_reference_insert): Add vdef parameter to
prototype.
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MODIFY_EXPR.
(vn_reference_insert): Add and handle vdef parameter.
(visit_reference_op_load): Add argument to vn_reference_insert call.
(visit_reference_op_store): Find value number of vdef of store. Insert
value number of vdef of store.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-sccvn.c
trunk/gcc/tree-ssa-sccvn.h
trunk/gcc/tree-ssa-tail-merge.c