X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=ir%2Fbe%2Fia32%2Fia32_address_mode.h;h=524d54ae18e7a8d21a9c5a90143beb69cb4f1dbe;hb=6b1c4998aa018f971620bb1eb72898ee7b905371;hp=93a4f57eddc7cf838edd5501b609a23fbbbb95e0;hpb=acd5a14eb9f5db22065b247996de0bcb0961522b;p=libfirm

diff --git a/ir/be/ia32/ia32_address_mode.h b/ir/be/ia32/ia32_address_mode.h
index 93a4f57ed..524d54ae1 100644
--- a/ir/be/ia32/ia32_address_mode.h
+++ b/ir/be/ia32/ia32_address_mode.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -35,21 +35,29 @@
  */
 typedef struct ia32_address_t ia32_address_t;
 struct ia32_address_t {
-    ir_node   *base;             /**< The base register (if any) */
-    ir_node   *index;            /**< The index register (if any). */
-	ir_node   *mem;              /**< The memory value (if any). */
-    int        offset;           /**< An integer offset. */
-    int        scale;            /**< An integer scale. {0,1,2,3} */
-    ir_entity *symconst_ent;     /**< A SynConst entity if any. */
-    int        use_frame;        /**< Set, if the frame is accessed */
-    ir_entity *frame_entity;     /**< The accessed frame entity if any. */
-    int        symconst_sign;    /**< The "sign" of the symconst. */
+	ir_node   *base;          /**< The base register (if any) */
+	ir_node   *index;         /**< The index register (if any). */
+	ir_node   *mem;           /**< The memory value (if any). */
+	int        offset;        /**< An integer offset. */
+	int        scale;         /**< An integer scale. {0,1,2,3} */
+	ir_entity *symconst_ent;  /**< A SynConst entity if any. */
+	int        use_frame;     /**< Set, if the frame is accessed */
+	ir_entity *frame_entity;  /**< The accessed frame entity if any. */
+	int        symconst_sign; /**< The "sign" of the symconst. */
 };
 
+typedef enum ia32_create_am_flags_t {
+	ia32_create_am_force      = 1U << 0, /**< Ignore the marking of node as a
+	                                          non-address-mode node */
+	ia32_create_am_double_use = 1U << 1  /**< Fold AM, even if the root of
+	                                          address calculation has two users.
+	                                          This is useful for dest AM */
+} ia32_create_am_flags_t;
+
 /**
  * Create an address mode for a given node.
  */
-void ia32_create_address_mode(ia32_address_t *addr, ir_node *node, int force);
+void ia32_create_address_mode(ia32_address_t *addr, ir_node *node, ia32_create_am_flags_t);
 
 /**
  * Mark those nodes of the given graph that cannot be used inside an
@@ -62,6 +70,11 @@ void ia32_calculate_non_address_mode_nodes(be_irg_t *birg);
  */
 void ia32_free_non_address_mode_nodes(void);
 
+/**
+ * Tells whether the given node is a non address mode node.
+ */
+int ia32_is_non_address_mode_node(ir_node const *node);
+
 /**
  * mark a node so it will not be used as part of address modes
  */