sh.c (sh_builtin_saveregs): If the number of to-be-saved fp registers is even...

sh.c (sh_builtin_saveregs): If the number of to-be-saved fp registers is even...

        * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
        registers is even, and we have a hardware double precision fp,
        align the buffer.
        (sh_gimplify_va_arg_expr): For floating point arguments, consider
        size of current argument when checking if argument was passed in
        registers.

        * sh.c (sh_attr_renesas_p): Handle error_mark_node.

From-SVN: r103398