-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 {
- ir_node *irn; /**< firm node of the insn this operand blongs to */
- ir_node *carrier; /**< node representing the operand value (proj or the node itself for defs, the value itself for uses */
- be_operand_t *partner; /**< used in bechordal later... (TODO what does it do?) */
- 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) */
-};