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Re: [RFC/RFA] Obsolete Cell Broadband Engine SPU targets


On Tue, Apr 2, 2019 at 2:46 AM Ulrich Weigand <uweigand@de.ibm.com> wrote:
>
> Hello,
>
> the spu-elf target in GCC supports generating code for the SPU processors
> of the Cell Broadband Engine; it has been part of upstream GCC since 2008.
>
> However, at this point I believe this target is no longer in use:
> - There is no supported Cell/B.E. hardware any more.
> - There is no supported operating system supporting Cell/B.E. any more.
>
> I've still been running daily regression tests until now, but I'll be
> unable to continue to do so much longer since the systems I've been
> using for this will go away.
>
> Rather than leave SPU support untested/maintained, I'd therefore
> propose to declare all SPU targets obsolete in GCC 9 and remove
> the code with GCC 10.
>
> Any objections to this approach?

This is ok with me too.  Though I have been out of Cell development
for a while now.

Thanks,
Andrew

>
> Bye,
> Ulrich
>
>
> gcc/ChangeLog:
>
>         * config.gcc: Mark spu* targets as deprecated/obsolete.
>
> Index: gcc/config.gcc
> ===================================================================
> --- gcc/config.gcc      (revision 270076)
> +++ gcc/config.gcc      (working copy)
> @@ -248,6 +248,7 @@ md_file=
>  # Obsolete configurations.
>  case ${target} in
>    *-*-solaris2.10*                     \
> +  | spu*-*-*                           \
>    | tile*-*-*                          \
>   )
>      if test "x$enable_obsolete" != xyes; then
> --
>   Dr. Ulrich Weigand
>   GNU/Linux compilers and toolchain
>   Ulrich.Weigand@de.ibm.com
>


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