X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbearch.h;h=011b5cb620d821fb37cde30c6d240245210dd5e9;hb=9156483f3da8efe9215a519b54b162bcb75c79c2;hp=743b9061cf17dfd276b7c84e2e2ef3505e1ba5f0;hpb=7c06e1a5be02e470bdb6e8cface089d0695ccb81;p=libfirm

diff --git a/ir/be/bearch.h b/ir/be/bearch.h
index 743b9061c..011b5cb62 100644
--- a/ir/be/bearch.h
+++ b/ir/be/bearch.h
@@ -122,6 +122,8 @@ typedef enum _arch_register_req_type_t {
   arch_register_req_type_should_be_different = 8,  /**< The register must be unequal
                                                         to some other at the node. */
 
+  arch_register_req_type_should_be_different_from_all = 16, /**< The register must be different from
+                                                        all in's at the node */
 } arch_register_req_type_t;
 
 /**
@@ -382,16 +384,16 @@ extern arch_irn_class_t arch_irn_classify(const arch_env_t *env, const ir_node *
  */
 extern arch_irn_flags_t arch_irn_get_flags(const arch_env_t *env, const ir_node *irn);
 
-#define arch_irn_is_ignore(env, irn) ((arch_irn_get_flags(env, irn) & arch_irn_flags_ignore) != 0)
+#define arch_irn_is(env, irn, flag) ((arch_irn_get_flags(env, irn) & arch_irn_flags_ ## flag) != 0)
 
 #define arch_irn_has_reg_class(env, irn, pos, cls) \
   ((cls) == arch_get_irn_reg_class(env, irn, pos))
 
 #define arch_irn_consider_in_reg_alloc(env, cls, irn) \
-	(arch_irn_has_reg_class(env, irn, -1, cls) && !arch_irn_is_ignore(env, irn))
+	(arch_irn_has_reg_class(env, irn, -1, cls) && !arch_irn_is(env, irn, ignore))
 
 /**
- * Somebody who can be asked about nodes.
+ * Somebody who can be asked about IR nodes.
  */
 struct _arch_irn_handler_t {
 
@@ -403,15 +405,12 @@ struct _arch_irn_handler_t {
     */
   const void *(*get_irn_ops)(const arch_irn_handler_t *handler,
       const ir_node *irn);
-
 };
 
 /**
- * The code generator.
+ * The code generator interface.
  */
 struct _arch_code_generator_if_t {
-
-
 	/**
 	 * Initialize the code generator.
 	 * @param file The file to dump to.
@@ -450,9 +449,12 @@ struct _arch_code_generator_if_t {
 	 * The code generator must also be de-allocated here.
 	 */
 	void (*done)(void *self);
-
 };
 
+/**
+ * helper macro: call function func from the code generator
+ * if it's implemented.
+ */
 #define _arch_cg_call(cg, func) \
 do { \
 	if((cg)->impl->func) \