extern ir_op *op_be_Call;
extern ir_op *op_be_Return;
extern ir_op *op_be_IncSP;
-extern ir_op *op_be_Alloca;
+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_Perm,
beo_Copy,
beo_Keep,
- beo_NoReg,
+ beo_CopyKeep,
beo_Call,
beo_Return,
- beo_Alloca,
+ beo_AddSP,
beo_IncSP,
beo_SetSP,
beo_RegParams,
beo_FrameLoad,
beo_FrameStore,
beo_FrameAddr,
+ beo_Barrier,
beo_Last
} be_opcode_t;
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);
-ir_node *be_new_Alloca(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *old_sp, ir_node *sz);
+enum {
+ be_pos_AddSP_old_sp = 0,
+ be_pos_AddSP_size = 1,
+ be_pos_AddSP_last = 2
+};
+
+/**
+ * Make a new AddSP node.
+ * An AddSP node expresses an increase of the stack pointer in the direction the stack
+ * grows. In contrast to IncSP, the amount of bytes the stack pointer is grown, is not
+ * given by a constant but an ordinary Firm node.
+ * @param sp The stack pointer register.
+ * @param irg The graph.
+ * @param bl The block.
+ * @param old_sp The node representing the old stack pointer value.
+ * @param sz The node expressing the size by which the stack pointer shall be grown.
+ * @return A new AddSP node.
+ */
+ir_node *be_new_AddSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *sz);
ir_node *be_new_SetSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *operand, ir_node *mem);
*/
ir_node *be_new_IncSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *mem, unsigned amount, be_stack_dir_t dir);
+
+
void be_set_IncSP_offset(ir_node *irn, unsigned offset);
unsigned be_get_IncSP_offset(const ir_node *irn);
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[]);
+
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);
+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);
+
+
/**
* Get the backend opcode of a backend node.
* @param irn The node.
int be_is_Copy(const ir_node *irn);
int be_is_Perm(const ir_node *irn);
int be_is_Keep(const ir_node *irn);
+int be_is_CopyKeep(const ir_node *irn);
int be_is_Call(const ir_node *irn);
int be_is_Return(const ir_node *irn);
int be_is_IncSP(const ir_node *irn);
int be_is_SetSP(const ir_node *irn);
-int be_is_Alloca(const ir_node *irn);
+int be_is_AddSP(const ir_node *irn);
int be_is_RegParams(const ir_node *irn);
int be_is_StackParam(const ir_node *irn);
int be_is_FrameAddr(const ir_node *irn);
int be_is_FrameLoad(const ir_node *irn);
int be_is_FrameStore(const ir_node *irn);
+int be_is_Barrier(const ir_node *irn);
/**
* Get the entity on the stack frame the given node uses.