*/
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. */
};
+/**
+ * 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 ia32_calculate_non_address_mode_nodes(be_irg_t *birg);
+void ia32_calculate_non_address_mode_nodes(ir_graph *irg);
/**
* Free the non_address_mode information.
/**
* Tells whether the given node is a non address mode node.
*/
-int ia32_is_non_address_mode_node(ir_node *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