X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_address_mode.h;h=c256065021271e72d4994d45eddbcfbe1c46b790;hb=b35afc79238e7731b8b3beecc69468cb719735f5;hp=949621eb7e81cd078808b07df8f659ad3356afaa;hpb=21cc065641a16744e57840d931769c64a9131936;p=libfirm

diff --git a/ir/be/ia32/ia32_address_mode.h b/ir/be/ia32/ia32_address_mode.h
index 949621eb7..c25606502 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.
  *
@@ -22,43 +22,67 @@
  * @brief       This file contains functions for matching firm graphs for
  *              nodes that can be used as address mode for x86 instructions
  * @author      Matthias Braun
- * @version     $Id$
  */
 #ifndef IA32_ADDRESS_MODE_H
 #define IA32_ADDRESS_MODE_H
 
+#include <stdbool.h>
 #include "irtypes.h"
+#include "beirg.h"
 
 /**
  * The address mode data: Used to construct (memory) address modes.
  */
 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. */
+	bool       use_frame;     /**< Set, if the frame is accessed */
+	bool       tls_segment;   /**< Set if AM is relative to TLS */
+	ir_entity *frame_entity;  /**< The accessed frame entity if any. */
+	bool       symconst_sign; /**< The "sign" of the symconst. */
 };
 
+/**
+ * Additional flags for the address mode creation.
+ */
+typedef enum ia32_create_am_flags_t {
+	ia32_create_am_normal     = 0,       /**< Normal operation. */
+	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
  * address mode because there values must be materialized in registers.
  */
-void calculate_non_address_mode_nodes(ir_graph *irg);
+void ia32_calculate_non_address_mode_nodes(ir_graph *irg);
 
 /**
  * Free the non_address_mode information.
  */
-void free_non_address_mode_nodes(void);
+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
+ */
+void ia32_mark_non_am(ir_node *node);
 
 #endif