extern void spu_cpu_cpp_builtins (struct cpp_reader * pfile);
extern void builtin_define_std (const char *);
-extern void spu_optimization_options (int level, int size);
extern void spu_c_common_override_options (void);
extern int valid_subreg (rtx op);
extern void spu_expand_extv (rtx * ops, int unsignedp);