------- Comment #21 from dberlin at gcc dot gnu dot org 2007-07-07 03:25 ------- Subject: Bug 23488
Author: dberlin Date: Sat Jul 7 03:25:29 2007 New Revision: 126434 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=126434 Log: 2007-07-06 Daniel Berlin <[EMAIL PROTECTED]> Fix PR tree-optimization/23488 * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration. (try_to_simplify): Ditto. (visit_use): Ditto. * tree-vn.c (set_value_handle): Use decl_vh_map for decl value handles. * tree-flow-inline.h (get_value_handle): Ditto. * tree-ssa-pre.c (decl_vh_map): New. (decl_node_pool): New. (can_value_number_operation): Support DECL_P. (can_PRE_operation): Ditto. (create_expression_by_pieces): Ditto. (find_existing_value_expr): Modify to differnetiate between addressing and top level. (create_value_handle_for_expr): Handle DECL's. (poolify_tree): Ditto. (make_values_for_phi): Don't insert into PHI_GEN during FRE. (make_values_for_stmt): Handle DECL's properly. (init_pre): Reorg to not init useless things during FRE. (fini_pre): Ditto. * tree-flow.h: Include pointer-set.h. (decl_vh_map): Declare. * Makefile.in (TREE_FLOW_H): Add pointer-set.h Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-6.c trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-17.c Modified: trunk/gcc/ChangeLog trunk/gcc/Makefile.in trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-flow-inline.h trunk/gcc/tree-flow.h trunk/gcc/tree-ssa-pre.c trunk/gcc/tree-ssa-sccvn.c trunk/gcc/tree-vn.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23488
