arm64: v8.3: Support for Javascript conversion instruction
authorSuzuki K Poulose <suzuki.poulose@arm.com>
Tue, 14 Mar 2017 18:13:25 +0000 (18:13 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Mon, 20 Mar 2017 16:29:28 +0000 (16:29 +0000)
commitc8c3798d2369e4285da44b244638eafe446a8f8a
tree484cfb45948628e4945cd808d26efeb1021105e7
parent87da236ebc711644dcff2339ee5b854f1abf1fca
arm64: v8.3: Support for Javascript conversion instruction

ARMv8.3 adds support for a new instruction to perform conversion
from double precision floating point to integer  to match the
architected behaviour of the equivalent Javascript conversion.
Expose the availability via HWCAP and MRS emulation.

Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Documentation/arm64/cpu-feature-registers.txt
arch/arm64/include/asm/sysreg.h
arch/arm64/include/uapi/asm/hwcap.h
arch/arm64/kernel/cpufeature.c
arch/arm64/kernel/cpuinfo.c