arm64: Add support ARCH_SUPPORTS_INT128
authorKefeng Wang <wangkefeng.wang@huawei.com>
Tue, 21 Jun 2016 06:55:23 +0000 (14:55 +0800)
committerCatalin Marinas <catalin.marinas@arm.com>
Tue, 21 Jun 2016 15:12:57 +0000 (16:12 +0100)
commit6b14c517a2a866c8407e9864c1cd3fcc6fed55ab
tree5b6030a2a3c1511300621d429f5f41dc4ba8db31
parent7ceb3a1040524c32aa71df8807427e348fac49da
arm64: Add support ARCH_SUPPORTS_INT128

The gcc support __SIZEOF_INT128__ and __int128 in arm64, thus,
enable ARCH_SUPPORTS_INT128 to make mul_u64_u32_shr() a bit
more efficient in scheduler.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/Kconfig