OCTEON implements __builtin_popcount with a single instruction, so lets use it.
Signed-off-by: NDavid Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Cc: David Daney <ddaney@caviumnetworks.com>
Patchwork: https://patchwork.linux-mips.org/patch/1431/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>