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r178595 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 06 Sep 2011 13:17:51 -0000
- Subject: r178595 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: rguenth
Date: Tue Sep 6 13:17:50 2011
New Revision: 178595
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178595
Log:
2011-09-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/48317
* tree-ssa-sccvn.h (struct vn_nary_op_s): Make op a true
trailing array.
(sizeof_vn_nary_op): New inline function.
(vn_nary_op_lookup_pieces): Adjust.
(vn_nary_op_insert_pieces): Likewise.
* tree-ssa-sccvn.c (vn_nary_op_eq): Also compare the length.
(init_vn_nary_op_from_pieces): Adjust signature. Deal with
any number of operands.
(vn_nary_length_from_stmt): New function.
(init_vn_nary_op_from_stmt): Adjust for CONSTRUCTOR handling.
(vn_nary_op_lookup_pieces): Adjust signature and allocate properly
sized temporary.
(vn_nary_op_lookup): Likewise.
(vn_nary_op_lookup_stmt): Likewise.
(vn_nary_op_insert_into): Likewise.
(vn_nary_op_insert_stmt): Likewise.
(visit_use): Handle CONSTRUCTOR as nary.
* tree-ssa-pre.c (phi_translate_1): Adjust.
(create_expression_by_pieces): Likewise.
(compute_avail): Likewise.
* gcc.dg/tree-ssa/ssa-fre-31.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-31.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-pre.c
trunk/gcc/tree-ssa-sccvn.c
trunk/gcc/tree-ssa-sccvn.h