extern void ix86_free_from_memory PARAMS ((enum machine_mode));
extern void ix86_split_fp_branch PARAMS ((rtx, rtx, rtx, rtx, rtx, rtx));
extern int ix86_hard_regno_mode_ok PARAMS ((int, enum machine_mode));
+extern int ix86_register_move_cost PARAMS ((int, enum reg_class,
+ enum reg_class));
+extern int ix86_secondary_memory_needed PARAMS ((enum reg_class,
+ enum reg_class,
+ enum machine_mode, int));
+extern enum reg_class ix86_preferred_reload_class PARAMS ((rtx,
+ enum reg_class));
#ifdef TREE_CODE
extern void init_cumulative_args PARAMS ((CUMULATIVE_ARGS *, tree, rtx));
general registers. */
#define REGISTER_MOVE_COST(MODE, CLASS1, CLASS2) \
- ix86_register_move_cost (mode, class1, class2);
+ ix86_register_move_cost (MODE, CLASS1, CLASS2)
/* A C expression for the cost of moving data of mode M between a
register and memory. A value of 2 is the default; this cost is