bugfixes

[libfirm] / ir / be / bearch.h

diff --git a/ir/be/bearch.h b/ir/be/bearch.h
index 09397c8..5d02267 100644 (file)
--- a/ir/be/bearch.h
+++ b/ir/be/bearch.h
@@ -196,6 +196,14 @@ typedef enum _arch_irn_class_t {
   arch_irn_class_branch
 } arch_irn_class_t;
 
+/**
+ * Some flags describing a node in more detail.
+ */
+typedef enum _arch_irn_flags_t {
+       arch_irn_flags_spillable = 1,
+       arch_irn_flags_rematerializable = 2
+} arch_irn_flags_t;
+
 /*
  * Some words about positions and indices:
  *
@@ -304,8 +312,19 @@ struct _arch_irn_ops_t {
    */
   arch_irn_class_t (*classify)(const arch_irn_ops_t *self, const ir_node *irn);
 
+       /**
+        * Get the flags of a node.
+        * @param self The irn ops themselves.
+        * @param irn The node.
+        * @return A set of flags.
+        */
+       arch_irn_flags_t (*get_flags)(const arch_irn_ops_t *self, const ir_node *irn);
+
 };
 
+extern int
+arch_get_n_operands(const arch_env_t *env, const ir_node *irm, int in_out);
+
 /**
  * Get the register requirements for a node.
  * @param env The architecture environment.
@@ -398,6 +417,14 @@ extern void arch_set_irn_register(const arch_env_t *env,
  */
 extern arch_irn_class_t arch_irn_classify(const arch_env_t *env, const ir_node *irn);
 
+/**
+ * Get the flags of a node.
+ * @param env The architecture environment.
+ * @param irn The node.
+ * @return The flags.
+ */
+extern arch_irn_flags_t arch_irn_get_flags(const arch_env_t *env, const ir_node *irn);
+
 #define arch_irn_has_reg_class(env, irn, pos, cls) \
   ((cls) == arch_get_irn_reg_class(env, irn, pos))
 
@@ -440,6 +467,13 @@ struct _arch_isa_if_t {
    */
   const arch_register_class_t *(*get_reg_class)(int i);
 
+       /**
+        * Prepare a graph.
+        * This function is called each time, the backend starts running over
+        * a graph.
+        * @param irg The graph.
+        */
+       void (*prepare_graph)(ir_graph *irg);
 };
 
 #define ARCH_MAX_HANDLERS         8