bugfix

[libfirm] / ir / be / bearch.h

diff --git a/ir/be/bearch.h b/ir/be/bearch.h
index 5e30966..09397c8 100644 (file)
--- a/ir/be/bearch.h
+++ b/ir/be/bearch.h
@@ -7,14 +7,13 @@
 #include "irnode.h"
 #include "irmode.h"
 
+#include "bitset.h"
 #include "hashptr.h"
 #include "fourcc.h"
 #include "set.h"
 #include "list.h"
 #include "ident.h"
 
-struct _bitset_t;
-
 typedef struct _arch_register_class_t   arch_register_class_t;
 typedef struct _arch_register_t         arch_register_t;
 typedef struct _arch_enum_t             arch_enum_t;
@@ -81,8 +80,7 @@ struct _arch_register_class_t {
  * @param bs The bitset. May be NULL.
  * @return The number of registers in the class.
  */
-extern int arch_register_class_put(const arch_register_class_t *cls,
-    struct _bitset_t *bs);
+extern int arch_register_class_put(const arch_register_class_t *cls, bitset_t *bs);
 
 static INLINE const arch_register_t *
 _arch_register_for_index(const arch_register_class_t *cls, int idx)
@@ -170,7 +168,7 @@ typedef struct _arch_register_req_t {
   const arch_register_class_t *cls;       /** The register class this
                                             constraint belongs to. */
   union {
-    int (*limited)(const ir_node *irn, int pos, struct _bitset_t *bs);
+    int (*limited)(const ir_node *irn, int pos, bitset_t *bs);
                                           /** In case of the 'limited'
                                             constraint, this function
                                             must put all allowable
@@ -194,7 +192,8 @@ typedef enum _arch_irn_class_t {
   arch_irn_class_spill,
   arch_irn_class_reload,
   arch_irn_class_copy,
-  arch_irn_class_perm
+  arch_irn_class_perm,
+  arch_irn_class_branch
 } arch_irn_class_t;
 
 /*
@@ -347,7 +346,7 @@ extern int arch_is_register_operand(const arch_env_t *env,
  * @return    The amount of registers allocatable for that operand.
  */
 extern int arch_get_allocatable_regs(const arch_env_t *env, const ir_node *irn,
-    int pos, const arch_register_class_t *cls, struct _bitset_t *bs);
+    int pos, const arch_register_class_t *cls, bitset_t *bs);
 
 /**
  * Check, if a register is assignable to an operand of a node.
@@ -364,7 +363,7 @@ extern int arch_reg_is_allocatable(const arch_env_t *env,
  * Get the register class of an operand of a node.
  * @param env The architecture environment.
  * @param irn The node.
- * @param idx The position of the operand.
+ * @param pos The position of the operand.
  * @return    The register class of the operand or NULL, if
  *            operand is a non-register operand.
  */
@@ -391,6 +390,14 @@ arch_get_irn_register(const arch_env_t *env, const ir_node *irn, int idx);
 extern void arch_set_irn_register(const arch_env_t *env,
     ir_node *irn, int idx, const arch_register_t *reg);
 
+/**
+ * Classify a node.
+ * @param env The architecture environment.
+ * @param irn The node.
+ * @return A classification of the node.
+ */
+extern arch_irn_class_t arch_irn_classify(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))