[vector] vector shift operations

[Paul Sandoz]

> On Feb 20, 2018, at 2:25 PM, Paul Sandoz <Paul.Sandoz at oracle.com> wrote:
> 
> 
> 
>> On Feb 20, 2018, at 1:14 PM, Viswanathan, Sandhya <sandhya.viswanathan at intel.com> wrote:
>> 
>> Yes, variable vector shift (shift left, shift right arithmetic, shift right logical) for int/long should be easily doable in the backend similar to other binary ops.
>> 
> 
> Ok, i‘ll add the Java implementations.
> 

Done.

Paul.