use out_dx constraints instead of certain registers

[libfirm] / ir / be / benode_t.h

diff --git a/ir/be/benode_t.h b/ir/be/benode_t.h
index dd79fc6..e71d775 100644 (file)
--- a/ir/be/benode_t.h
+++ b/ir/be/benode_t.h
@@ -12,24 +12,39 @@
 #ifndef _BENODE_T_H
 #define _BENODE_T_H
 
+#include "pmap.h"
+
 #include "irmode.h"
 #include "irnode.h"
 
+#include "be_t.h"
 #include "bearch.h"
 
+struct _be_node_factory_t {
+  const arch_isa_if_t *isa;
+
+  struct obstack      obst;
+  set                 *ops;
+  pmap                *irn_op_map;
+  pmap                *reg_req_map;
+
+  arch_irn_handler_t  handler;
+  arch_irn_ops_t      irn_ops;
+};
+
 typedef struct _be_node_factory_t                      be_node_factory_t;
 
-be_node_factory_t *be_new_node_factory(const arch_isa_if_t *isa);
+be_node_factory_t *be_node_factory_init(be_node_factory_t *factory, const arch_isa_t *isa);
 
 const arch_irn_handler_t *be_node_get_irn_handler(const be_node_factory_t *f);
 
 ir_node *new_Spill(const be_node_factory_t *factory,
     const arch_register_class_t *cls,
-    ir_graph *irg, ir_node *bl, ir_node *node_to_spill);
+    ir_graph *irg, ir_node *bl, ir_node *node_to_spill, ir_node *ctx);
 
 ir_node *new_Reload(const be_node_factory_t *factory,
-    const arch_register_class_t *cls,
-    ir_graph *irg, ir_node *bl, ir_node *spill_node);
+    const arch_register_class_t *cls, ir_graph *irg,
+    ir_node *bl, ir_mode *mode, ir_node *spill_node);
 
 ir_node *new_Perm(const be_node_factory_t *factory,
     const arch_register_class_t *cls,
@@ -39,15 +54,46 @@ ir_node *new_Copy(const be_node_factory_t *factory,
     const arch_register_class_t *cls,
     ir_graph *irg, ir_node *block, ir_node *in);
 
-ir_node *be_spill(const be_node_factory_t *factory, const arch_env_t *env, ir_node *irn);
-ir_node *be_reload(const be_node_factory_t *factory, const arch_env_t *env, ir_node *irn);
+ir_node *be_spill(
+               const be_node_factory_t *factory,
+               const arch_env_t *arch_env,
+               ir_node *irn,
+               ir_node *spill_ctx);
+
+ir_node *be_reload(
+               const be_node_factory_t *factory,
+               const arch_env_t *arch_env,
+               const arch_register_class_t *cls,
+               ir_node *irn, int pos, ir_mode *mode, ir_node *spill);
+
+int be_is_Spill(const ir_node *irn);
+int be_is_Reload(const ir_node *irn);
+int be_is_Copy(const ir_node *irn);
+int be_is_Perm(const ir_node *irn);
 
-int is_Spill(const be_node_factory_t *f, const ir_node *irn);
+void set_Spill_offset(ir_node *irn, unsigned offset);
+unsigned get_Spill_offset(ir_node *irn);
 
-ir_node *get_Reload_Spill(ir_node *reload);
+ir_node *get_Spill_context(const ir_node *irn);
 
-void insert_perm(const be_node_factory_t *factory,
-    const arch_register_class_t *reg_class,
-    ir_node *in_front_of);
+
+/**
+ * Modify the output register requirements of a Perm.
+ * This function incur register constraints to an output value of a Perm.
+ * This is used when handling register constraints in general,
+ * see beconstrperm.c
+ */
+void be_set_Perm_out_req(ir_node *irn, int pos, const arch_register_req_t *req);
+
+/**
+ * Insert a Perm node after a specific node in the schedule.
+ * The Perm permutes over all values live at the given node.
+ * This means that all liveness intervals are cut apart at this
+ * location in the program.
+ */
+ir_node *insert_Perm_after(const be_main_env_t *env,
+                                                  const arch_register_class_t *cls,
+                                                  dom_front_info_t *dom_front,
+                                                  ir_node *pos);
 
 #endif /* _BENODE_T_H */