/* Header file for routines that straddle the border between GIMPLE and
SSA in gimple.
- Copyright (C) 2009-2014 Free Software Foundation, Inc.
+ Copyright (C) 2009-2015 Free Software Foundation, Inc.
This file is part of GCC.
#ifndef GCC_GIMPLE_SSA_H
#define GCC_GIMPLE_SSA_H
+#include "tree-hasher.h"
#include "tree-ssa-operands.h"
/* This structure is used to map a gimple statement to a label,
or list of labels to represent transaction restart. */
-struct GTY(()) tm_restart_node {
+struct GTY((for_user)) tm_restart_node {
gimple stmt;
tree label_or_list;
};
+/* Hasher for tm_restart_node. */
+
+struct tm_restart_hasher : ggc_ptr_hash<tm_restart_node>
+{
+ static hashval_t hash (tm_restart_node *n) { return htab_hash_pointer (n); }
+
+ static bool
+ equal (tm_restart_node *a, tm_restart_node *b)
+ {
+ return a == b;
+ }
+};
+
+struct ssa_name_hasher : ggc_ptr_hash<tree_node>
+{
+ /* Hash a tree in a uid_decl_map. */
+
+ static hashval_t
+ hash (tree item)
+ {
+ return item->ssa_name.var->decl_minimal.uid;
+ }
+
+ /* Return true if the DECL_UID in both trees are equal. */
+
+ static bool
+ equal (tree a, tree b)
+{
+ return (a->ssa_name.var->decl_minimal.uid == b->ssa_name.var->decl_minimal.uid);
+}
+};
+
/* Gimple dataflow datastructure. All publicly available fields shall have
gimple_ accessor defined, all publicly modifiable fields should have
gimple_set accessor. */
/* A map of decls to artificial ssa-names that point to the partition
of the decl. */
- struct pointer_map_t * GTY((skip(""))) decls_to_pointers;
+ hash_map<tree, tree> * GTY((skip(""))) decls_to_pointers;
/* Free list of SSA_NAMEs. */
vec<tree, va_gc> *free_ssanames;
means that the first reference to this variable in the function is a
USE or a VUSE. In those cases, the SSA renamer creates an SSA name
for this variable with an empty defining statement. */
- htab_t GTY((param_is (union tree_node))) default_defs;
+ hash_table<ssa_name_hasher> *default_defs;
/* True if there are any symbols that need to be renamed. */
unsigned int ssa_renaming_needed : 1;
/* Map gimple stmt to tree label (or list of labels) for transaction
restart and abort. */
- htab_t GTY ((param_is (struct tm_restart_node))) tm_restart;
+ hash_table<tm_restart_hasher> *tm_restart;
};
{
struct use_optype_d *ops;
const gimple_statement_with_memory_ops *mem_ops_stmt =
- dyn_cast <const gimple_statement_with_memory_ops> (g);
+ dyn_cast <const gimple_statement_with_memory_ops *> (g);
if (!mem_ops_stmt)
return NULL_USE_OPERAND_P;
ops = mem_ops_stmt->use_ops;
gimple_vdef_op (gimple g)
{
gimple_statement_with_memory_ops *mem_ops_stmt =
- dyn_cast <gimple_statement_with_memory_ops> (g);
+ dyn_cast <gimple_statement_with_memory_ops *> (g);
if (!mem_ops_stmt)
return NULL_DEF_OPERAND_P;
if (mem_ops_stmt->vdef)