* @file
* @brief A data structure to treat nodes and node-proj collections uniformly.
* @author Sebastian Hack
- * @version $Id$
*/
#ifndef FIRM_BE_BEINSN_T_H
#define FIRM_BE_BEINSN_T_H
#include "bearch.h"
#include "beirg.h"
-typedef struct _be_operand_t be_operand_t;
-typedef struct _be_insn_t be_insn_t;
-typedef struct _be_insn_env_t be_insn_env_t;
+typedef struct be_operand_t be_operand_t;
+typedef struct be_insn_t be_insn_t;
+typedef struct be_insn_env_t be_insn_env_t;
-struct _be_operand_t {
+struct be_operand_t {
ir_node *irn; /**< Firm node of the insn this operand belongs to */
- ir_node *carrier; /**< node representing the operand value (Proj or the node itself for defs, the value itself for uses */
+ ir_node *carrier; /**< node representing the operand value (Proj or the node itself for defs, the used value for uses) */
be_operand_t *partner; /**< used in bechordal later... (TODO what does it do?) */
- bitset_t *regs; /**< admissible register bitset */
+ const bitset_t *regs; /**< admissible register bitset */
int pos; /**< pos of the operand (0 to n are inputs, -1 to -n are outputs) */
const arch_register_req_t *req; /**< register constraints for the carrier node */
unsigned has_constraints : 1; /**< the carrier node has register constraints (the constraint type is limited) */
};
-struct _be_insn_t {
+struct be_insn_t {
be_operand_t *ops; /**< the values used and defined by the insn */
int n_ops; /**< length of the ops array */
int use_start; /**< entries [0-use_start) in ops are defs,
[use_start-n_ops) uses */
ir_node *next_insn; /**< next instruction in schedule */
ir_node *irn; /**< ir_node of the instruction */
- unsigned in_constraints : 1; /**< instruction has input contraints */
+ unsigned in_constraints : 1; /**< instruction has input constraints */
unsigned out_constraints : 1; /**< instruction has output constraints */
unsigned has_constraints : 1; /**< in_constraints or out_constraints true */
unsigned pre_colored : 1; /**< all defined values already have a register assigned */
};
-struct _be_insn_env_t {
+struct be_insn_env_t {
struct obstack *obst;
const arch_register_class_t *cls;
- bitset_t *ignore_colors;
+ bitset_t *allocatable_regs;
};
#define be_insn_n_defs(insn) ((insn)->use_start)
be_insn_t *be_scan_insn(const be_insn_env_t *env, ir_node *irn);
-be_insn_env_t *be_insn_env_init(be_insn_env_t *ie, const be_irg_t *birg, const arch_register_class_t *cls, struct obstack *obst);
-
#endif /* FIRM_BE_BEINSN_T_H */