* config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,

        adding __forwarder_dst__ prefix if a forwarder_section attribute is
        present.
        (epiphany_function_type): Replace types for specific interrupts with
        EPIPHANY_FUNCTION_INTERRUPT.
        (EPIPHANY_INTERRUPT_P): Update.
        * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
        New static function.
        (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
        <disinterrupt>: Affects type identity.
        (epiphany_handle_interrupt_attribute): Handle variable number of
        arguments.
        (epiphany_compute_function_type): Update for new
        epiphany_function_type definition.
        (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
        handlers with a longcall forwarder.
        (epiphany_start_function): Handle multiple interrupt arguments and/or
        forwarder_section attribute.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@183953 138bc75d-0d04-0410-961f-82ee72b054a4

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