+2017-07-17 Claudiu Zissulescu <claziss@synopsys.com>
+ Andrew Burgess <andrew.burgess@embecosm.com>
+
+ * config/arc/arc-protos.h (arc_compute_function_type): Change prototype.
+ (arc_return_address_register): New function.
+ * config/arc/arc.c (arc_handle_fndecl_attribute): New function.
+ (arc_handle_fndecl_attribute): Add naked attribute.
+ (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
+ (TARGET_WARN_FUNC_RETURN): Likewise.
+ (arc_allocate_stack_slots_for_args): New function.
+ (arc_warn_func_return): Likewise.
+ (machine_function): Change type fn_type.
+ (arc_compute_function_type): Consider new naked function type,
+ change function return type.
+ (arc_must_save_register): Adapt to handle new
+ arc_compute_function_type's return type.
+ (arc_expand_prologue): Likewise.
+ (arc_expand_epilogue): Likewise.
+ (arc_return_address_regs): Delete.
+ (arc_return_address_register): New function.
+ (arc_epilogue_uses): Use above function.
+ * config/arc/arc.h (arc_return_address_regs): Delete prototype.
+ (arc_function_type): Change encoding, add naked type.
+ (ARC_INTERRUPT_P): Change to handle the new encoding.
+ (ARC_FAST_INTERRUPT_P): Likewise.
+ (ARC_NORMAL_P): Define.
+ (ARC_NAKED_P): Likewise.
+ (arc_compute_function_type): Delete prototype.
+ * config/arc/arc.md (in_ret_delay_slot): Use
+ arc_return_address_register function.
+ (simple_return): Likewise.
+ (p_return_i): Likewise.
+
2017-07-17 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/81428