rx.c (rx_expand_epilogue): Add checks for sibcalls being used incorrectly.
* config/rx/rx.c (rx_expand_epilogue): Add checks for sibcalls
being used incorrectly.
(rx_function_ok_for_sibcall): New function. Do not allow indirect
sibcalls, or sibcalls from interrupt functions.
(TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
* config/rx/rx.md (sibcall): Convert to a define_expand. Check
for a MEM inside a MEM.
(sibcall_value): Likewise.
(sibcall_internal): New pattern containing old sibcall pattern.
(sibcall_value_internal): Likewise.
From-SVN: r154671