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Re: [MIPS] Add saa and saad instructions for octeon
David Daney <firstname.lastname@example.org> writes:
> On 11/15/2011 09:12 AM, Richard Sandiford wrote:
>> Richard Sandiford<email@example.com> writes:
>>> Andrew Pinski<firstname.lastname@example.org> writes:
>>>> This patch adds the saa and saad instructions for Octeon. They are
>>>> not part of the original Octeon but are part of the Octeon+. We at
>>>> Cavium don't feel the need to add a new arch for it since this is the
>>>> only difference instruction wise and the original Octeon is no longer
>>>> in production.
>>> I think it's still worth having a separate CPU name for it.
>> and (to be clear) CPU enum, so that the instructions can be rejected
>> for plain -march=octeon.
> I guess that makes sense.
> I don't think we want a separate E_MIPS_MACH_OCTEON?? tag in the ELF
> flags EF_MIPS_MACH field for this though. The Cavium SDK toolchains
> simply supply E_MIPS_MACH_OCTEON for all Octeon+ objects, and I would
> like to keep it this way.
OK, that sounds fair.