* @brief Backend node support for generic backend nodes.
* @author Sebastian Hack
* @date 17.05.2005
- * @version $Id$
*
* Backend node support for generic backend nodes.
* This file provides Perm, Copy, Spill and Reload nodes.
*/
void be_init_op(void);
+void be_finish_op(void);
+
/**
* Position numbers for the be_Spill inputs.
*/
/**
* Make a new Copy node.
*/
-ir_node *be_new_Copy(const arch_register_class_t *cls, ir_node *block,
- ir_node *in);
+ir_node *be_new_Copy(ir_node *block, ir_node *in);
/** Returns the Copy Argument. */
ir_node *be_get_Copy_op(const ir_node *cpy);
/** Sets the Copy Argument. */
* Projection numbers for result of be_Call node: use for Proj nodes!
*/
typedef enum {
- pn_be_Call_M_regular = pn_Call_M, /**< The memory result of a be_Call. */
- pn_be_Call_sp = pn_Call_max,
- pn_be_Call_first_res /**< The first result proj number of a
- be_Call. */
+ pn_be_Call_M = pn_Call_M, /**< The memory result of a be_Call. */
+ pn_be_Call_X_regular = pn_Call_X_regular,
+ pn_be_Call_X_except = pn_Call_X_except,
+ pn_be_Call_sp = pn_Call_max+1,
+ pn_be_Call_first_res /**< The first result proj number of a be_Call. */
} pn_be_Call;
/**
*/
void be_Return_set_emit_pop(ir_node *ret, int emit_pop);
-/** appends a node to the return node, returns the position of the node */
-int be_Return_append_node(ir_node *ret, ir_node *node);
-
ir_node *be_new_Start(dbg_info *dbgi, ir_node *block, int n_out);
-/**
- * Make a spill node.
- *
- * @param irn The node to be spilled.
- * @param block the block where the spill should be placed
- * @return The new spill node.
- */
-ir_node *be_spill(ir_node *block, ir_node *irn);
-
-/**
- * Make a reload and insert it into the schedule.
- *
- * @param cls The register class of the reloaded value.
- * @param insert The node in the schedule in front of which the reload is
- * inserted.
- * @param mode The mode of the original (spilled) value.
- * @param spill The spill node corresponding to this reload.
- * @return A freshly made reload.
- */
-ir_node *be_reload(const arch_register_class_t *cls, ir_node *insert,
- ir_mode *mode, ir_node *spill);
-
enum {
n_be_CopyKeep_op = 0
};
-ir_node *be_new_CopyKeep(const arch_register_class_t *cls, ir_node *block,
- ir_node *src, int n, ir_node *in_keep[],
- ir_mode *mode);
+ir_node *be_new_CopyKeep(ir_node *block, ir_node *src,
+ int n, ir_node *in_keep[]);
-ir_node *be_new_CopyKeep_single(const arch_register_class_t *cls,
- ir_node *block, ir_node *src, ir_node *keep,
- ir_mode *mode);
+ir_node *be_new_CopyKeep_single(ir_node *block, ir_node *src, ir_node *keep);
ir_node *be_get_CopyKeep_op(const ir_node *cpy);
*/
void be_set_phi_reg_req(ir_node *phi, const arch_register_req_t *req);
-void be_dump_phi_reg_reqs(FILE *out, ir_node *node, dump_reason_t reason);
+void be_dump_phi_reg_reqs(FILE *out, const ir_node *node, dump_reason_t reason);
/**
* Creates a new phi with associated backend informations
*/
ir_node *be_new_Phi(ir_node *block, int n_ins, ir_node **ins, ir_mode *mode,
- const arch_register_class_t *cls);
+ const arch_register_req_t *req);
+
+/**
+ * Search for output of start node with a specific register
+ */
+ir_node *be_get_initial_reg_value(ir_graph *irg, const arch_register_t *reg);
+
+/**
+ * Search for input of a return node with a specific register and return
+ * its number.
+ */
+int be_find_return_reg_input(ir_node *ret, const arch_register_t *reg);
static inline int be_is_Spill (const ir_node *irn) { return get_irn_opcode(irn) == beo_Spill ; }
static inline int be_is_Reload (const ir_node *irn) { return get_irn_opcode(irn) == beo_Reload ; }
static inline int be_is_IncSP (const ir_node *irn) { return get_irn_opcode(irn) == beo_IncSP ; }
static inline int be_is_AddSP (const ir_node *irn) { return get_irn_opcode(irn) == beo_AddSP ; }
static inline int be_is_SubSP (const ir_node *irn) { return get_irn_opcode(irn) == beo_SubSP ; }
-static inline int be_is_Start (const ir_node *irn) { return get_irn_opcode(irn) == beo_Start; }
+static inline int be_is_Start (const ir_node *irn) { return get_irn_opcode(irn) == beo_Start ; }
static inline int be_is_FrameAddr(const ir_node *irn) { return get_irn_opcode(irn) == beo_FrameAddr; }
#endif