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authordberlin <dberlin@138bc75d-0d04-0410-961f-82ee72b054a4>2005-12-06 04:22:11 +0000
committerdberlin <dberlin@138bc75d-0d04-0410-961f-82ee72b054a4>2005-12-06 04:22:11 +0000
commit437f5d6b63de42b928cc20f255b172d1f22e9d98 (patch)
tree88dba83e793d94c96e1d4866470453d1f88073c6 /gcc/tree-dfa.c
parent0811bc7e12bccb801de8d103c76730a220c73a55 (diff)
downloadgcc-437f5d6b63de42b928cc20f255b172d1f22e9d98.tar.gz
In gcc/
2005-12-05 Daniel Berlin <dberlin@dberlin.org> * print-tree.c (print_node): Ditto. * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL. * tree-dump.c (dequeue_and_dump): Check for decl_common structure before accessing DECL_ARTIFICIAL. Handle new tag tree codes. * tree-flow-inline.h (clear_call_clobbered): Update for tag changes. (unmodifiable_var_p): Ditto. * tree-flow.h (mem_tag_kind): Remove. (struct var_ann_d): Remove mem_tag_kind member. * tree-gimple.c (is_gimple_reg): Tags are not gimple registers. * tree-pretty-print.c (dump_generic_node): Handle memory tags. * tree-ssa-alias.c (init_alias_info): Update for memory tag changes. (group_aliases): Ditto. (setup_pointers_and_addressables): Ditto. (is_escape_site): Ditto. (may_alias_p): Ditto. (create_tag_raw): New function. (create_memory_tag): Use it. (dump_alias_info): Update for tags. (may_be_aliased): Ditto. (add_type_alias): Ditto. (new_type_alias): Ditto. (create_sft): Ditto. (create_structure_vars): Ditto. * tree-ssa-ccp.c (get_default_value): Ditto. * tree-ssa-operands.c (get_expr_operands): Ditto. (add_stmt_operand): Ditto. (add_call_clobber_ops): Remove duplicated condition. * tree-ssa.c (verify_flow_insensitive_alias_info): Update for tags. * tree-tailcall.c (suitable_for_tail_opt_p): Ditto. * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto. * tree.c (init_ttree): Update structures for new tree codes. (tree_code_size): Update sizes for new tree codes. (make_node_stat): Don't try to set common things on minimal structures. (tree_node_structure): Update for tags. (is_global_var): Ditto. * tree.def: Add new tree codes. * tree.h (MTAG_P): New macro. (TREE_MEMORY_TAG_CHECK): Ditto. (SSA_VAR_P): Update for tags. (struct tree_memory_tag): New structure. (MTAG_GLOBAL): New macro. (union tree_node): Add memory tag member. * treestruct.def (TS_MEMORY_TAG): New. In gcc/cp 2005-12-05 Daniel Berlin <dberlin@dberlin.org> * ptree.c (cxx_print_decl): Update to check for decl_common structure. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@108102 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-dfa.c')
-rw-r--r--gcc/tree-dfa.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c
index 9fc48d5cbe8..3f89047714b 100644
--- a/gcc/tree-dfa.c
+++ b/gcc/tree-dfa.c
@@ -643,6 +643,10 @@ add_referenced_var (tree var, struct walk_state *walk_state)
if (is_global_var (var))
mark_call_clobbered (var);
+ /* Tag's don't have DECL_INITIAL. */
+ if (MTAG_P (var))
+ return;
+
/* Scan DECL_INITIAL for pointer variables as they may contain
address arithmetic referencing the address of other
variables. */