mul fix

[r15742]

ir/common/firm.c

@@ -135,7 +135,7 @@ void init_firm(const firm_parameter_t *param)
 
 	/* Init architecture dependent optimizations. */
 	arch_dep_init(arch_dep_default_factory);
-	arch_dep_set_opts(arch_dep_mul_to_shift | arch_dep_div_by_const | arch_dep_mod_by_const);
+	arch_dep_set_opts(0);
 
 	firm_archops_init(def_params.arch_op_settings);