#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;
+#define BE_OUT_POS(p) (-((p) + 1))
- struct obstack obst;
- set *ops;
- pmap *irn_op_map;
- pmap *reg_req_map;
+/**
+ * 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_along = 0,
+ be_stack_dir_against = 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)
+
+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);
+
+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);
+
+/**
+ * Make a stack pointer increase/decrease node.
+ * @param sp The stack pointer 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);
+
+
+
+void be_set_IncSP_offset(ir_node *irn, unsigned offset);
+unsigned be_get_IncSP_offset(const ir_node *irn);
+
+void be_set_IncSP_direction(ir_node *irn, be_stack_dir_t dir);
+be_stack_dir_t be_get_IncSP_direction(const ir_node *irn);
+
+entity *be_Call_get_entity(const ir_node *call);
+void be_Call_set_entity(ir_node *call, entity *ent);
- arch_irn_handler_t handler;
- arch_irn_ops_t irn_ops;
+enum {
+ be_pos_Call_mem = 0,
+ be_pos_Call_sp = 1,
+ be_pos_Call_ptr = 2,
+ be_pos_Call_first_arg = 3
};
-typedef struct _be_node_factory_t be_node_factory_t;
+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, 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);
-be_node_factory_t *be_node_factory_init(be_node_factory_t *factory,
- const arch_isa_if_t *isa);
+ir_node *be_new_Barrier(ir_graph *irg, ir_node *bl, int n, ir_node *in[]);
-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 *reloader, 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);
+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);
-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);
-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);
+/**
+ * Get the backend opcode of a backend node.
+ * @param irn The node.
+ * @return The backend opcode.
+ */
+be_opcode_t be_get_irn_opcode(const ir_node *irn);
+
+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_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_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.
+ * @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_get_Spill_context(const ir_node *irn);
+
+/**
+ * Set the entities of a Reload to the ones of the Spill it is pointing to.
+ * @param irg The graph.
+ */
+void be_copy_entities_to_reloads(ir_graph *irg);
+
+/**
+ * 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 *new_Copy(const be_node_factory_t *factory,
- const arch_register_class_t *cls,
- ir_graph *irg, ir_node *block, ir_node *in);
+/**
+ * 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);
-ir_node *be_spill(
- const be_node_factory_t *factory,
- const arch_env_t *arch_env,
- ir_node *irn);
+/**
+ * Set the flags of a node.
+ * @param irn The node itself.
+ * @param pos The position (0..n) for arguments, (-1..-m) for results.
+ * @param flags The flags to set for that node and position.
+ */
+void be_node_set_flags(ir_node *irn, int pos, arch_irn_flags_t flags);
-ir_node *be_reload(
- const be_node_factory_t *factory,
- const arch_env_t *arch_env,
- const arch_register_class_t *cls,
- ir_node *irn, int pos, ir_mode *mode, ir_node *spill);
+/**
+ * Set the register class of a node.
+ * @param irn The node itself.
+ * @param pos The position (0..n) for arguments, (-1..-m) for results.
+ * @param flags The register class to set for that node and position.
+ */
+void be_node_set_reg_class(ir_node *irn, int pos, const arch_register_class_t *cls);
-int is_Spill(const be_node_factory_t *f, const ir_node *irn);
+/**
+ * Make a new phi handler.
+ * @param env The architecture environment.
+ * @return A new phi handler.
+ */
+arch_irn_handler_t *be_phi_handler_new(const arch_env_t *arch_env);
-ir_node *insert_Perm_after(const be_main_session_env_t *env,
- const arch_register_class_t *cls, ir_node *pos);
+/**
+ * Free a phi handler.
+ * @param handler The handler to free.
+ */
+void be_phi_handler_free(arch_irn_handler_t *handler);
-void be_insert_phi_perms(const be_main_session_env_t *env,
- const arch_register_class_t *cls);
+/**
+ * Reset the register data in the phi handler.
+ * This should be called on each new graph and deletes the register information of the current graph.
+ */
+void be_phi_handler_reset(arch_irn_handler_t *handler);
+
+/**
+ * irn handler for common be nodes.
+ */
+extern const arch_irn_handler_t be_node_irn_handler;
#endif /* _BENODE_T_H */
projects / libfirm / blobdiff