[PATCH 3/3] Verify that target can create a dispatcher call (PR target/79892).

[Richard Biener]

On Mon, Mar 13, 2017 at 9:26 AM, marxin <mliska@suse.cz> wrote:
> gcc/ChangeLog:

Ok.

Richard.

> 2017-03-13  Martin Liska  <mliska@suse.cz>
>
>         * multiple_target.c (create_dispatcher_calls): Check that
>         a target can create a function dispatcher.
> ---
>  gcc/multiple_target.c | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/gcc/multiple_target.c b/gcc/multiple_target.c
> index 7b735ae81ae..cb792262d6e 100644
> --- a/gcc/multiple_target.c
> +++ b/gcc/multiple_target.c
> @@ -68,6 +68,13 @@ create_dispatcher_calls (struct cgraph_node *node)
>                     " supported by this target");
>           break;
>         }
> +      else if (!targetm.get_function_versions_dispatcher)
> +       {
> +         error_at (gimple_location (call),
> +                   "target does not support function version dispatcher");
> +         break;
> +       }
> +
>        e_next = e->next_caller;
>        idecl = targetm.get_function_versions_dispatcher (decl);
>        if (!idecl)
> --
> 2.11.1
>