simplify be_lv_foreach

[libfirm] / ir / be / bearch.h

diff --git a/ir/be/bearch.h b/ir/be/bearch.h
index e14d3c5..ad1f1b3 100644 (file)
--- a/ir/be/bearch.h
+++ b/ir/be/bearch.h
@@ -230,11 +230,13 @@ struct arch_register_t {
        const arch_register_class_t *reg_class;    /**< The class of the register */
        unsigned short               index;        /**< The index of the register in
                                                        the class. */
-       unsigned short               global_index; /** The global index this register
-                                                                                              in the architecture. */
+       unsigned short               global_index; /**< The global index this
+                                                                                                   register in the architecture. */
        arch_register_type_t         type;         /**< The type of the register. */
        /** register constraint allowing just this register */
        const arch_register_req_t   *single_req;
+       /** register number in dwarf debugging format */
+       unsigned short               dwarf_number;
 };
 
 static inline const arch_register_class_t *arch_register_get_class(
@@ -307,14 +309,16 @@ struct arch_register_req_t {
        arch_register_req_type_t     type; /**< The type of the constraint. */
        const arch_register_class_t *cls;  /**< The register class this constraint
                                                belongs to. */
-       const unsigned *limited;            /**< allowed register bitset */
-       unsigned other_same;                /**< Bitmask of ins which should use the
-                                                same register (should_be_same). */
-       unsigned other_different;           /**< Bitmask of ins which shall use a
-                                                different register
-                                                (must_be_different) */
-       unsigned char width;                /**< specifies how many sequential
-                                                registers are required */
+       const unsigned *limited;           /**< allowed register bitset
+                                               (in case of wide-values this is
+                                                only about the first register) */
+       unsigned other_same;               /**< Bitmask of ins which should use the
+                                               same register (should_be_same). */
+       unsigned other_different;          /**< Bitmask of ins which shall use a
+                                               different register
+                                               (must_be_different) */
+       unsigned char width;               /**< specifies how many sequential
+                                               registers are required */
 };
 
 static inline bool reg_reqs_equal(const arch_register_req_t *req1,