[PING][PATCH] Change rclass argument type in memory_move_cost function from enum reg_class to reg_class_t.

[Anatoly Sokolov]

Hello.

Patch ping.

>   This patch change memory_move_cost function to stop using back end specific 
> type 'enum reg_class' in favor to reg_class_t. Also this allow do small 
> cleanup in ia64_register_move_cost function.

http://gcc.gnu.org/ml/gcc-patches/2011-04/msg01433.html

Anatoly.