#define _BENODE_T_H
#include "firm_config.h"
-#include "pmap.h"
#include "irmode.h"
#include "irnode.h"
*/
#define BE_STACK_FRAME_SIZE ((unsigned) -1)
+/**
+ * Determines if irn is a be_node.
+ */
+int is_be_node(const ir_node *irn);
+
/**
* Create all BE specific opcodes.
*/
void be_node_init(void);
+/**
+ * Position numbers for the be_Spill inputs.
+ */
enum {
be_pos_Spill_frame = 0,
be_pos_Spill_val = 1
};
+
+/**
+ * Make a new Spill node.
+ */
ir_node *be_new_Spill(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *node_to_spill, ir_node *ctx);
+/**
+ * Position numbers for the be_Reload inputs.
+ */
enum {
be_pos_Reload_frame = 0,
be_pos_Reload_mem = 1
};
+
+/**
+ * Make a new Reload node.
+ */
ir_node *be_new_Reload(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *spill_node, ir_mode *mode);
+/**
+ * Position numbers for the be_Copy inputs.
+ */
enum {
be_pos_Copy_op = 0
};
+
+/**
+ * Make a new Copy node.
+ */
ir_node *be_new_Copy(const arch_register_class_t *cls, ir_graph *irg, ir_node *block, ir_node *in);
+/** Returns the Copy Argument. */
ir_node *be_get_Copy_op(const ir_node *cpy);
+/** Sets the Copy Argument. */
+void be_set_Copy_op(ir_node *cpy, ir_node *op);
+/**
+ * Make a new Perm node.
+ */
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[]);
ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_node *data, entity *ent);
ir_node *be_new_FrameAddr(const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, entity *ent);
+/**
+ * Position numbers for the be_AddSP inputs
+ */
enum {
be_pos_AddSP_old_sp = 0,
be_pos_AddSP_size = 1,
/** Returns the previous node that computes the stack pointer. */
ir_node *be_get_IncSP_pred(ir_node *incsp);
+/** Sets the previous node that computes the stack pointer. */
+void be_set_IncSP_pred(ir_node *incsp, ir_node *pred);
+
+/** Returns the memory input of the IncSP. */
+ir_node *be_get_IncSP_mem(ir_node *irn);
+
/** Sets a new offset to a IncSP node. */
void be_set_IncSP_offset(ir_node *irn, unsigned offset);
/** Sets the call type. */
void be_Call_set_type(ir_node *call, ir_type *call_tp);
+/**
+ * Position numbers for the be_Call inputs.
+ */
enum {
be_pos_Call_mem = 0, /**< memory input of a be_Call node */
be_pos_Call_sp = 1, /**< stack pointer input of a be_Call node */
int n_outs, int n, ir_node *in[], ir_type *call_tp);
/**
- * Construct a new be_Return
+ * Position numbers for the be_Return inputs.
+ */
+enum {
+ be_pos_Return_mem = 0, /**< memory input of a be_Return node */
+ be_pos_Return_sp = 1, /**< stack pointer input of a be_Return node */
+ be_pos_Return_val = 2, /**< first "real" return value if any */
+};
+
+/**
+ * Construct a new be_Return.
+ * @param irg the graph where the new node will be placed
+ * @param bl the block where the new node will be placed
+ * @param n_res number of "real" results
+ * @param n number of inputs
+ * @param in input array
+ */
+ir_node *be_new_Return(dbg_info *dbg, ir_graph *irg, ir_node *bl, int n_res, int n, ir_node *in[]);
+
+/** Returns the number of real returns values */
+int be_Return_get_n_rets(ir_node *ret);
+
+/**
+ * Construct a new Stack Parameter node.
*/
-ir_node *be_new_Return(dbg_info *dbg, ir_graph *irg, ir_node *bl, int n, ir_node *in[]);
ir_node *be_new_StackParam(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *frame_pointer, entity *ent);
ir_node *be_new_RegParams(ir_graph *irg, ir_node *bl, int n_out);
ir_node *be_new_Barrier(ir_graph *irg, ir_node *bl, int n, ir_node *in[]);
+/**
+ * Make a spill node and insert it into the schedule.
+ *
+ * @param arch_env The architecture environment.
+ * @param irn The node to be spilled.
+ * @param spill_ctx The context in which the spill is introduced (This is mostly == irn up to the case of Phis).
+ * @return The new spill node.
+ */
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 *reloader, ir_mode *mode, ir_node *spill);
+/**
+ * Make a reload and insert it into the schedule.
+ *
+ * @param arch_env The architecture environment.
+ * @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_env_t *arch_env, const arch_register_class_t *cls, ir_node *insert, ir_mode *mode, ir_node *spill);
+
+enum {
+ be_pos_CopyKeep_op = 0
+};
ir_node *be_new_CopyKeep(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *src, int n, ir_node *in_keep[], ir_mode *mode);
ir_node *be_new_CopyKeep_single(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *src, ir_node *keep, ir_mode *mode);
-
+ir_node *be_get_CopyKeep_op(const ir_node *cpy);
+void be_set_CopyKeep_op(ir_node *cpy, ir_node *op);
/**
* Get the backend opcode of a backend node.
ir_node *be_get_Spill_context(const ir_node *irn);
+
+ir_node* be_get_Reload_mem(const ir_node *irn);
+ir_node* be_get_Reload_frame(const ir_node* irn);
+
/**
* Set the entities of a Reload to the ones of the Spill it is pointing to.
* @param irg The graph.