-void be_abi_call_param_stack(be_abi_call_t *call, int pos, unsigned alignment, unsigned space_before, unsigned space_after);
+void be_abi_call_param_stack(be_abi_call_t *call, int pos, ir_mode *load_mode, unsigned alignment, unsigned space_before, unsigned space_after);
+
+/**
+ * Record the that ABI transmits call argument pos in the given register.
+ *
+ * @param call the abi call object
+ * @param pos the parameter position
+ * @param reg the register used
+ */