#ifndef _BENODE_T_H
#define _BENODE_T_H
+#include "firm_config.h"
#include "pmap.h"
#include "irmode.h"
#include "irnode.h"
+#include "entity_t.h"
#include "be_t.h"
#include "bearch.h"
-struct _be_node_factory_t {
- const arch_isa_if_t *isa;
+typedef enum {
+ beo_NoBeOp = 0,
+ beo_Spill,
+ beo_Reload,
+ beo_Perm,
+ beo_Copy,
+ beo_Keep,
+ beo_Last
+} be_opcode_t;
- struct obstack obst;
- set *ops;
- pmap *irn_op_map;
- pmap *reg_req_map;
+void be_node_init(void);
- arch_irn_handler_t handler;
- arch_irn_ops_t irn_ops;
-};
+const arch_irn_handler_t be_node_irn_handler;
-typedef struct _be_node_factory_t be_node_factory_t;
+ir_node *be_new_Spill(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *node_to_spill, ir_node *ctx);
+ir_node *be_new_Reload(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *spill_node);
+ir_node *be_new_Copy(const arch_register_class_t *cls, ir_graph *irg, ir_node *block, ir_node *in);
+ir_node *be_new_Perm(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int arity, ir_node *in[]);
+ir_node *be_new_Keep(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int arity, ir_node *in[]);
-be_node_factory_t *be_node_factory_init(be_node_factory_t *factory,
- const arch_isa_if_t *isa);
+ir_node *be_spill(const arch_env_t *arch_env, ir_node *irn,ir_node *spill_ctx);
+ir_node *be_reload(const arch_env_t *arch_env, const arch_register_class_t *cls, ir_node *irn, int pos, ir_mode *mode, ir_node *spill);
-const arch_irn_handler_t *be_node_get_irn_handler(const be_node_factory_t *f);
+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 be_is_Keep(const ir_node *irn);
-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);
+void be_set_Spill_entity(ir_node *irn, entity *ent);
+entity *be_get_spill_entity(ir_node *irn);
-ir_node *new_Reload(const be_node_factory_t *factory,
- const arch_register_class_t *cls, ir_graph *irg,
- ir_node *bl, ir_mode *mode, ir_node *spill_node);
+ir_node *be_get_Spill_context(const ir_node *irn);
-ir_node *new_Perm(const be_node_factory_t *factory,
- const arch_register_class_t *cls,
- ir_graph *irg, ir_node *bl, int arity, ir_node **in);
-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 *arch_env,
- ir_node *irn);
-
-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 is_Spill(const be_node_factory_t *f, const ir_node *irn);
-
-ir_node *insert_Perm_after(const be_main_session_env_t *env,
- const arch_register_class_t *cls, ir_node *pos);
+/**
+ * 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
+ * @param irn The perm node.
+ * @param pos The position.
+ * @param req The requirements to set to.
+ * @param negate_limited When the requirements are limited, inverse the set of admissible registers.
+ */
+void be_set_Perm_out_req(ir_node *irn, int pos, const arch_register_req_t *req, unsigned negate_limited);
-void be_insert_phi_perms(const be_main_session_env_t *env,
- const arch_register_class_t *cls);
+/**
+ * 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 arch_env_t *env,
+ const arch_register_class_t *cls,
+ dom_front_info_t *dom_front,
+ ir_node *pos);
#endif /* _BENODE_T_H */
projects / libfirm / blobdiff