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| author | Diego Novillo <dnovillo@redhat.com> | 2004-06-23 20:12:44 +0000 |
|---|---|---|
| committer | Diego Novillo <dnovillo@gcc.gnu.org> | 2004-06-23 16:12:44 -0400 |
| commit | 33c94679bde917193e6af8644598cc85b3df1645 (patch) | |
| tree | 127e72e0356924b11aaf2aa72a79bae2b3ebc255 /gcc/tree.def | |
| parent | 881f20cbcdaaed818ceb9f8e99226ac8c77743da (diff) | |
| download | gcc-33c94679bde917193e6af8644598cc85b3df1645.zip gcc-33c94679bde917193e6af8644598cc85b3df1645.tar.gz gcc-33c94679bde917193e6af8644598cc85b3df1645.tar.bz2 | |
Makefile.in (tree-vn.o): New.
* Makefile.in (tree-vn.o): New.
(tree-ssa-pre.o): Don't depend on RTL_H.
* tree-dfa.c (find_referenced_vars): Don't call init_tree_ssa.
* tree-flow.h (struct var_ann_d): Remove field expr_set.
(add_to_value, expressions_equal_p, get_value_handle, vn_compute,
vn_lookup_or_add, vn_add, vn_lookup, vn_init, vn_delete): Declare.
* tree-optimize.c (execute_init_datastructures): New local function.
(pass_init_datastructures): New local variable.
(init_tree_optimization_passes): Sequence pass_init_datastructures.
* tree-pretty-print.c (MASK_POINTER): Remove.
(dump_generic_node): Handle VALUE_HANDLE.
* tree-ssa-pre.c: Move all value numbering routines to tree-vn.c.
Update callers to use new function names.
Use VALUE_HANDLE_ID and VALUE_HANDLE_EXPR_SET instead of
variable annotations.
* tree-ssa.c (init_tree_ssa): Call vn_init.
(delete_tree_ssa): Call vn_delete.
* tree-vn.c: New file.
* tree.c (tree_size): Handle VALUE_HANDLE.
(tree_node_structure): Likewise.
(iterative_hash_expr): Likewise.
* tree.def (VALUE_HANDLE): New code.
* tree.h (struct tree_value_handle): New.
(VALUE_HANDLE_ID): Define.
(VALUE_HANDLE_EXPR_SET): Define.
(enum tree_node_structure_enum): Add TS_VALUE_HANDLE.
(union tree_node): Add struct tree_value_handle.
From-SVN: r83564
Diffstat (limited to 'gcc/tree.def')
| -rw-r--r-- | gcc/tree.def | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/tree.def b/gcc/tree.def index 57596a2..f7dabaf 100644 --- a/gcc/tree.def +++ b/gcc/tree.def @@ -899,6 +899,12 @@ DEFTREECODE (EH_FILTER_EXPR, "eh_filter_expr", 's', 2) Use the interface in tree-iterator.h to access this node. */ DEFTREECODE (STATEMENT_LIST, "statement_list", 'x', 0) +/* Value handles. Artificial nodes to represent expressions in + partial redundancy elimination (tree-ssa-pre.c). These nodes are + used for expression canonicalization. If two expressions compute + the same value, they will be assigned the same value handle. */ +DEFTREECODE (VALUE_HANDLE, "value_handle", 'x', 0) + /* Local variables: mode:c |