* Certain node classes which are relevant for the register allocator.
*/
typedef enum _arch_irn_class_t {
- arch_irn_class_normal,
- arch_irn_class_spill,
- arch_irn_class_reload,
- arch_irn_class_copy,
- arch_irn_class_perm,
- arch_irn_class_branch,
- arch_irn_class_call,
- arch_irn_class_const,
- arch_irn_class_load,
- arch_irn_class_store,
- arch_irn_class_stackparam,
+ arch_irn_class_normal = 1 << 0,
+ arch_irn_class_spill = 1 << 1,
+ arch_irn_class_reload = 1 << 2,
+ arch_irn_class_copy = 1 << 3,
+ arch_irn_class_perm = 1 << 4,
+ arch_irn_class_branch = 1 << 5,
+ arch_irn_class_call = 1 << 6,
+ arch_irn_class_const = 1 << 7,
+ arch_irn_class_load = 1 << 8,
+ arch_irn_class_store = 1 << 9,
+ arch_irn_class_stackparam = 1 << 10,
} arch_irn_class_t;
/**
*/
entity *(*get_frame_entity)(const void *self, const ir_node *irn);
+ /**
+ * Set the entity on the stack frame this node depends on.
+ * @param self The this pointer.
+ * @param irn The node in question.
+ * @param ent The entity to set
+ */
+ void (*set_frame_entity)(const void *self, ir_node *irn, entity *ent);
+
/**
* Set the offset of a node carrying an entity on the stack frame.
* @param self The this pointer.
*/
int (*possible_memory_operand)(const void *self, const ir_node *irn, unsigned int i);
+ /**
+ * Ask the backend to assimilate @p reload of operand @p i into @p irn.
+ *
+ * @param self The this pointer.
+ * @param irn The node.
+ * @param reload The reload.
+ * @param i The position of the reload.
+ */
+ void (*perform_memory_operand)(const void *self, ir_node *irn, ir_node *reload, unsigned int i);
};
/**
const arch_irn_ops_if_t *impl;
};
+extern const arch_irn_ops_t *arch_get_irn_ops(const arch_env_t *env, const ir_node *irn);
+
extern void arch_set_frame_offset(const arch_env_t *env, ir_node *irn, int bias);
extern entity *arch_get_frame_entity(const arch_env_t *env, ir_node *irn);
+extern void arch_set_frame_entity(const arch_env_t *env, ir_node *irn, entity *ent);
+extern int arch_get_op_estimated_cost(const arch_env_t *env, const ir_node *irn);
extern arch_inverse_t *arch_get_inverse(const arch_env_t *env, const ir_node *irn, int i, arch_inverse_t *inverse, struct obstack *obstack);
+extern int arch_possible_memory_operand(const arch_env_t *env, const ir_node *irn, unsigned int i);
+extern void arch_perform_memory_operand(const arch_env_t *env, ir_node *irn, ir_node *reload, unsigned int i);
/**
* Get the register requirements for a node.
*/
extern arch_irn_class_t arch_irn_classify(const arch_env_t *env, const ir_node *irn);
+#define arch_irn_class_is(env, irn, irn_class) ((arch_irn_classify(env, irn) & arch_irn_class_ ## irn_class) != 0)
+
/**
* Get the flags of a node.
* @param env The architecture environment.
void (*after_ra)(void *self);
/**
- * Called after everything happened.
+ * Called directly before done is called. This should be the last place
+ * where the irg is modified.
+ */
+ void (*finish)(void *self);
+
+ /**
+ * Called after everything happened. This call should emit the final
+ * assembly code but avoid changing the irg.
* The code generator must also be de-allocated here.
*/
void (*done)(void *self);
#define arch_code_generator_before_sched(cg) _arch_cg_call(cg, before_sched)
#define arch_code_generator_before_ra(cg) _arch_cg_call(cg, before_ra)
#define arch_code_generator_after_ra(cg) _arch_cg_call(cg, after_ra)
+#define arch_code_generator_finish(cg) _arch_cg_call(cg, finish)
#define arch_code_generator_done(cg) _arch_cg_call(cg, done)
/**
*/
extern const arch_irn_handler_t *arch_env_pop_irn_handler(arch_env_t *env);
+
#endif /* _FIRM_BEARCH_H */