-/**
- * Instructions
- *
- * A data structure to treat nodes and node-proj collections uniformly.
+/*
+ * This file is part of libFirm.
+ * Copyright (C) 2012 University of Karlsruhe.
*/
-#ifndef _BEINSN_T_H
-#define _BEINSN_T_H
+/**
+ * @file
+ * @brief A data structure to treat nodes and node-proj collections uniformly.
+ * @author Sebastian Hack
+ */
+#ifndef FIRM_BE_BEINSN_T_H
+#define FIRM_BE_BEINSN_T_H
+#include "firm_types.h"
#include "bitset.h"
-#include "bearch_t.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;
+#include "bearch.h"
+#include "bechordal.h"
-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) */
-};
+typedef struct be_operand_t be_operand_t;
+typedef struct be_insn_t 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 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_operand_t {
+ 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?) */
+ unsigned const *regs; /**< admissible register bitset */
};
-struct _be_insn_env_t {
- struct obstack *obst;
- const arch_env_t *aenv;
- const arch_register_class_t *cls;
- bitset_t *ignore_colors;
+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 *irn; /**< ir_node of the instruction */
};
-#define be_insn_n_defs(insn) ((insn)->use_start)
-#define be_insn_n_uses(insn) ((insn)->n_ops - (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);
+/**
+ * Create a be_insn_t for an IR node.
+ *
+ * @param env the insn construction environment
+ * @param irn the irn for which the be_insn should be build
+ *
+ * @return the be_insn for the IR node
+ */
+be_insn_t *be_scan_insn(be_chordal_env_t *env, ir_node *irn);
-#endif /* _BEINSN_T_H */
+#endif /* FIRM_BE_BEINSN_T_H */