#ifndef _BENODE_T_H
#define _BENODE_T_H
+#include "firm_config.h"
#include "pmap.h"
#include "irmode.h"
#include "irnode.h"
+#include "entity_t.h"
#include "be_t.h"
#include "bearch.h"
-struct _be_node_factory_t {
- const arch_isa_if_t *isa;
+typedef enum {
+ beo_NoBeOp = 0,
+ beo_Spill,
+ beo_Reload,
+ beo_Perm,
+ beo_Copy,
+ beo_Keep,
+ beo_NoReg,
+ beo_Call,
+ beo_Return,
+ beo_AddSP,
+ beo_IncSP,
+ beo_RegParams,
+ beo_StackParam,
+ beo_FrameLoad,
+ beo_FrameStore,
+ beo_FrameAddr,
+ beo_Last
+} be_opcode_t;
+
+typedef enum {
+ be_stack_dir_along = 0,
+ be_stack_dir_against = 1
+} be_stack_dir_t;
+
+typedef enum {
+ be_frame_flag_spill = 1,
+ be_frame_flag_local = 2,
+ be_frame_flag_arg = 4
+} be_frame_flag_t;
+
+#define BE_STACK_FRAME_SIZE ((unsigned) -1)
+
+void be_node_init(void);
+
+const arch_irn_handler_t be_node_irn_handler;
+
+ir_node *be_new_Spill(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_node *node_to_spill, ir_node *ctx);
+ir_node *be_new_Reload(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *spill_node);
+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);
+
+ir_node *be_new_AddSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *operand);
- struct obstack obst;
- set *ops;
- pmap *irn_op_map;
- pmap *reg_req_map;
+/**
+ * Make a stack pointer increase/decrease node.
+ * @param sp The stack poitner register.
+ * @param irg The graph to insert the node to.
+ * @param bl The block to insert the node into.
+ * @param old_sp The node defining the former stack pointer.
+ * @param amount The mount of bytes the stack pointer shall be increased/decreased.
+ * @param dir The direction in which the stack pointer shall be modified:
+ * Along the stack's growing direction or against.
+ * @return A new stack pointer increment/decrement node.
+ * @note This node sets a register constraint to the @p sp register on its output.
+ */
+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);
- arch_irn_handler_t handler;
- arch_irn_ops_t irn_ops;
-};
+void be_set_IncSP_offset(ir_node *irn, unsigned offset);
+unsigned be_get_IncSP_offset(ir_node *irn);
-typedef struct _be_node_factory_t be_node_factory_t;
+void be_set_IncSP_direction(ir_node *irn, be_stack_dir_t dir);
+be_stack_dir_t be_get_IncSP_direction(ir_node *irn);
-be_node_factory_t *be_node_factory_init(be_node_factory_t *factory,
- const arch_isa_if_t *isa);
+ir_node *be_new_Call(ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *sp, ir_node *ptr, int n_outs, int n, ir_node *in[]);
+ir_node *be_new_Return(ir_graph *irg, ir_node *bl, int n, ir_node *in[]);
+ir_node *be_new_StackParam(const arch_register_class_t *cls, 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_NoReg(const arch_register_t *reg, ir_graph *irg, ir_node *bl);
-const arch_irn_handler_t *be_node_get_irn_handler(const be_node_factory_t *f);
+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 *irn, int pos, ir_mode *mode, ir_node *spill);
-ir_node *new_Spill(const be_node_factory_t *factory,
- const arch_register_class_t *cls,
- ir_graph *irg, ir_node *bl, ir_node *node_to_spill);
+be_opcode_t be_get_irn_opcode(const ir_node *irn);
-ir_node *new_Reload(const be_node_factory_t *factory,
- const arch_register_class_t *cls, ir_graph *irg,
- ir_node *bl, ir_mode *mode, ir_node *spill_node);
+int be_is_Spill(const ir_node *irn);
+int be_is_Reload(const ir_node *irn);
+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_Call(const ir_node *irn);
+int be_is_IncSP(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_NoReg(const ir_node *irn);
-ir_node *new_Perm(const be_node_factory_t *factory,
- const arch_register_class_t *cls,
- ir_graph *irg, ir_node *bl, int arity, ir_node **in);
-ir_node *new_Copy(const be_node_factory_t *factory,
- const arch_register_class_t *cls,
- ir_graph *irg, ir_node *block, ir_node *in);
+/**
+ * Get the entity on the stack frame the given node uses.
+ * @param irn The node.
+ * @return The entity on the stack frame used by the node or NULL,
+ * if the node does not access the stack frame or is no back-end node.
+ *
+ */
+entity *be_get_frame_entity(const ir_node *irn);
+
+void be_set_Spill_entity(ir_node *irn, entity *ent);
+entity *be_get_spill_entity(const ir_node *irn);
-ir_node *be_spill(const be_node_factory_t *factory, const arch_env_t *env, ir_node *irn);
-ir_node *be_reload(const be_node_factory_t *factory, const arch_env_t *env, ir_node *irn);
+ir_node *be_get_Spill_context(const ir_node *irn);
-int is_Spill(const be_node_factory_t *f, const ir_node *irn);
+/**
+ * Impose a register constraint on a backend node.
+ * @param irn The node.
+ * @param pos The position of the argument/result. Results range from -1..-m and arguments form 0..n
+ * @param reg The register which is admissible for that node, argument/result and position.
+ */
+void be_set_constr_single_reg(ir_node *irn, int pos, const arch_register_t *reg);
-ir_node *insert_Perm_after(const be_main_session_env_t *env,
- const arch_register_class_t *cls, ir_node *pos);
+/**
+ * Impose register constraints on a backend node.
+ * The register subsets given by the limited function in @p req are copied to the backend node.
+ * This requires that the constraint type of the @p req is arch_register_req_type_limited.
+ * @param irn The backend node.
+ * @param pos The position (@see be_set_constr_single_reg()).
+ * @param req The register requirements which shall be transferred.
+ */
+void be_set_constr_limited(ir_node *irn, int pos, const arch_register_req_t *req);
+
+void be_node_set_flags(ir_node *irn, int pos, arch_irn_flags_t flags);
+
+void be_node_set_reg_class(ir_node *irn, int pos, const arch_register_class_t *cls);
+
+/**
+ * Insert a Perm node after a specific node in the schedule.
+ * The Perm permutes over all values live at the given node.
+ * This means that all liveness intervals are cut apart at this
+ * location in the program.
+ */
+ir_node *insert_Perm_after(const arch_env_t *env,
+ const arch_register_class_t *cls,
+ dom_front_info_t *dom_front,
+ ir_node *pos);
-void be_insert_phi_perms(const be_main_session_env_t *env,
- const arch_register_class_t *cls);
#endif /* _BENODE_T_H */
projects / libfirm / blobdiff