(ctype.h): Delete.

(regno_reg_class, reg_class_from_letter, prepare_scc_operands,
broken_move, push, pop, push_regs, calc_live_regs, sh_expand_prologue,
sh_expand_epilogue, initial_elimination_offset, arith_reg_operand):
Add SH3e support.
(sh_builtin_saveregs, fp_zero_operand, fp_one_operand): New functions.
(sh_function_arg, sh_function_arg_partial_nregs): Delete.

From-SVN: r11068