+extern int stack_pointer_operand PARAMS ((rtx, enum machine_mode));
+extern int const_int_le_2_operand PARAMS ((rtx, enum machine_mode));
+extern int const_int_le_6_operand PARAMS ((rtx, enum machine_mode));
+extern int const_int_gt_2_operand PARAMS ((rtx, enum machine_mode));
+extern int const_int_ge_8_operand PARAMS ((rtx, enum machine_mode));
+extern int const_int_qi_operand PARAMS ((rtx, enum machine_mode));
+extern int const_int_hi_operand PARAMS ((rtx, enum machine_mode));
+extern int incdec_operand PARAMS ((rtx, enum machine_mode));