http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49645
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-07-06 14:05:57 UTC --- Author: rguenth Date: Wed Jul 6 14:05:54 2011 New Revision: 175916 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175916 Log: 2011-07-06 Richard Guenther <rguent...@suse.de> PR tree-optimization/49645 * c-decl.c (finish_decl): Also set DECL_HARD_REGISTER for global register variables. * tree-ssa-sccvn.c (vn_reference_op_eq): Disregard differences in type qualification here ... (copy_reference_ops_from_ref): ... not here. (vn_reference_lookup_3): ... or here. (copy_reference_ops_from_ref): Record decl bases as MEM[&decl]. (vn_reference_lookup): Do the lookup with a valueized ao-ref. * g++.dg/tree-ssa/pr8781.C: Disable SRA. Modified: trunk/gcc/ChangeLog trunk/gcc/c-decl.c trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/g++.dg/tree-ssa/pr8781.C trunk/gcc/tree-ssa-sccvn.c
