#ifdef HAVE_cc0
extern int next_insn_tests_no_inequality (rtx);
#endif
-extern int reg_fits_class_p (rtx, enum reg_class, int, enum machine_mode);
+extern bool reg_fits_class_p (const_rtx, reg_class_t, int, enum machine_mode);
extern int offsettable_memref_p (rtx);
extern int offsettable_nonstrict_memref_p (rtx);