* config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
* config/rx/rx.c (rx_function_value): Likewise.
(rx_promote_function_mode): Likewise.
(gen_safe_add): Place an outsized immediate value inside an UNSPEC
in order to make it legitimate.
* config/rx/rx.md (adddi3_internal): If the second operand is a
MEM make sure that the first operand is the same as the result
register.
(addsi3_unspec): Delete.
(subdi3): Do not accept immediate operands.
(subdi3_internal): Likewise.
* gcc.target/rx/builtins.c: Allow -fipa-cp-clone.
(saturate_add): Delete.
(exchange): Delete.
(main): Do not run saturate_add.
(set_interrupts): Delete.
From-SVN: r169232
