+/**
+ * The benode op's. Must be available to register emitter function.
+ */
+extern ir_op *op_be_Spill;
+extern ir_op *op_be_Reload;
+extern ir_op *op_be_Perm;
+extern ir_op *op_be_Copy;
+extern ir_op *op_be_Keep;
+extern ir_op *op_be_Call;
+extern ir_op *op_be_Return;
+extern ir_op *op_be_IncSP;
+extern ir_op *op_be_AddSP;
+extern ir_op *op_be_SetSP;
+extern ir_op *op_be_RegParams;
+extern ir_op *op_be_StackParam;
+extern ir_op *op_be_FrameAddr;
+extern ir_op *op_be_FrameLoad;
+extern ir_op *op_be_FrameStore;
+extern ir_op *op_be_Barrier;
+
+typedef enum {
+ beo_NoBeOp = 0,
+ beo_Spill,
+ beo_Reload,
+ beo_Perm,
+ beo_Copy,
+ beo_Keep,
+ beo_CopyKeep,
+ beo_Call,
+ beo_Return,
+ beo_AddSP,
+ beo_IncSP,
+ beo_SetSP,
+ beo_RegParams,
+ beo_StackParam,
+ beo_FrameLoad,
+ beo_FrameStore,
+ beo_FrameAddr,
+ beo_Barrier,
+ beo_Last
+} be_opcode_t;
+
+/** Expresses the direction of the stack pointer increment of IncSP nodes. */
+typedef enum {
+ be_stack_dir_expand = 0,
+ be_stack_dir_shrink = 1
+} be_stack_dir_t;
+
+/** Not used yet. */
+typedef enum {
+ be_frame_flag_spill = 1,
+ be_frame_flag_local = 2,
+ be_frame_flag_arg = 4
+} be_frame_flag_t;
+
+/**
+ * A "symbolic constant" for the size of the stack frame to use with IncSP nodes.
+ * It gets back-patched to the real size as soon it is known.
+ */
+#define BE_STACK_FRAME_SIZE ((unsigned) -1)
+
+/**
+ * Create all BE specific opcodes.
+ */
+void be_node_init(void);
+
+enum {
+ be_pos_Spill_frame = 0,
+ be_pos_Spill_val = 1
+};
+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);
+
+enum {
+ be_pos_Reload_frame = 0,
+ be_pos_Reload_mem = 1
+};
+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);
+
+enum {
+ be_pos_Copy_orig = 0
+};
+ir_node *be_new_Copy(const arch_register_class_t *cls, ir_graph *irg, ir_node *block, ir_node *in);
+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_node *be_new_FrameLoad(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data,
+ ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, entity *ent);
+ir_node *be_new_FrameStore(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data,
+ 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);