[PATCH v3] arm64: v8.4: Support for new floating point multiplication instructions

[gengdongjiu]

Hi catalin/will,

On 2017/12/13 18:09, Suzuki K Poulose wrote:
> On 13/12/17 10:13, Dongjiu Geng wrote:
>> ARM v8.4 extensions add new neon instructions for performing a
>> multiplication of each FP16 element of one vector with the corresponding
>> FP16 element of a second vector, and to add or subtract this without an
>> intermediate rounding to the corresponding FP32 element in a third vector.
>>
>> This patch detects this feature and let the userspace know about it via a
>> HWCAP bit and MRS emulation.
>>
>> Cc: Dave Martin <Dave.Martin at arm.com>
>> Cc: Suzuki K Poulose <suzuki.poulose at arm.com>
>> Signed-off-by: Dongjiu Geng <gengdongjiu at huawei.com>
>> Reviewed-by: Dave Martin <Dave.Martin at arm.com>
> 
> Looks good to me.
> 
> Reviewed-by: Suzuki K Poulose <suzuki.poulose at arm.com>
> 
hope this patch can be applied to 4.15 kernel version.
Thanks

> 
> .