remove unused/unnecessary link field from mode.

include/libfirm/irmode.h

@@ -152,12 +152,6 @@ FIRM_API ir_mode_arithmetic get_mode_arithmetic(const ir_mode *mode);
  */
 FIRM_API unsigned int get_mode_modulo_shift(const ir_mode *mode);
 
-/** Returns the stored intermediate information. */
-FIRM_API void *get_mode_link(const ir_mode *mode);
-
-/** Stores new intermediate information. */
-FIRM_API void set_mode_link(ir_mode *mode, void *l);
-
 /**
  * Returns the smallest representable value of a given mode.
  *

ir/ir/irmode.c

@@ -174,7 +174,6 @@ static ir_mode *alloc_mode(const char *name, ir_mode_sort sort,
 	mode_tmpl->sign         = sign ? 1 : 0;
 	mode_tmpl->modulo_shift = modulo_shift;
 	mode_tmpl->arithmetic   = arithmetic;
-	mode_tmpl->link         = NULL;
 	return mode_tmpl;
 }
 
@@ -296,16 +295,6 @@ unsigned int (get_mode_modulo_shift)(const ir_mode *mode)
 	return get_mode_modulo_shift_(mode);
 }
 
-void *(get_mode_link)(const ir_mode *mode)
-{
-	return get_mode_link_(mode);
-}
-
-void (set_mode_link)(ir_mode *mode, void *l)
-{
-	set_mode_link_(mode, l);
-}
-
 ir_tarval *get_mode_min(const ir_mode *mode)
 {
 	assert(mode_is_data(mode));

ir/ir/irmode_t.h

@@ -24,8 +24,6 @@
 #define get_mode_sign(mode)            get_mode_sign_(mode)
 #define get_mode_arithmetic(mode)      get_mode_arithmetic_(mode)
 #define get_mode_modulo_shift(mode)    get_mode_modulo_shift_(mode)
-#define get_mode_link(mode)            get_mode_link_(mode)
-#define set_mode_link(mode, l)         set_mode_link_(mode, l)
 #define mode_is_signed(mode)           mode_is_signed_(mode)
 #define mode_is_float(mode)            mode_is_float_(mode)
 #define mode_is_int(mode)              mode_is_int_(mode)
@@ -59,10 +57,6 @@ static inline ir_mode_arithmetic get_mode_arithmetic_(const ir_mode *mode) { ret
 
 static inline unsigned int get_mode_modulo_shift_(const ir_mode *mode) { return mode->modulo_shift; }
 
-static inline void *get_mode_link_(const ir_mode *mode) { return mode->link; }
-
-static inline void set_mode_link_(ir_mode *mode, void *l) { mode->link = l; }
-
 /* Functions to check, whether a mode is signed, float, int, num, data.
    For more exact definitions read the corresponding pages
    in the firm documentation or the following enumeration

ir/ir/irtypes.h

@@ -165,7 +165,6 @@ struct ir_mode {
 	ir_tarval         *all_one;     /**< the value ~0 */
 	ir_mode           *eq_signed;   /**< For pointer modes, the equivalent signed integer one. */
 	ir_mode           *eq_unsigned; /**< For pointer modes, the equivalent unsigned integer one. */
-	void              *link;        /**< To store some intermediate information */
 };
 
 /* note: we use "long" here because that is the type used for Proj-Numbers */