[vectorIntrinsics] Benchmark related fixes

[Vladimir Ivanov]

Looks good.

Best regards,
Vladimir Ivanov

On 14.04.2020 02:46, Viswanathan, Sandhya wrote:
> Please find below a webrev which fixes two failures observed while 
> running benchmarks:
> 
> http://cr.openjdk.java.net/~sviswanathan/vectorIntrinsics/Benchfix/wenrev.00/
> 
>  1. ChaChaBench: java.lang.UnsupportedOperationException: ROL: operator
>     is not implemented
> 
> The fix is in the Vector API Java implementation: Call opcode() after 
> handling operators like ROL/ROR etc.
> 
>  2. ByteScalar.gather/scatter: java.lang.ArrayIndexOutOfBoundsException:
>     Index 1071 out of bounds for length 1024
> 
> The fix is in the scalar benchmarks adjusting the index value to not go 
> out of bounds.
> 
> Best Regards,
> 
> Sandhya
> 
> ]
>