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Re: [MIPS] Add saa and saad instructions for octeon
On 11/15/2011 09:12 AM, Richard Sandiford wrote:
Richard Sandiford<firstname.lastname@example.org> writes:
Andrew Pinski<email@example.com> 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
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.
And just for the record, Octeon+ CPUs are still in production in several