RFR: 8213035: Pack MethodHandleInlineStrategy coder and length into a long

[Mandy Chung]

On 10/29/18 8:17 AM, Claes Redestad wrote:
> Hi,
>
> by packing the coder and length values into a long, and combining the 
> length and coder mixers, we can reduce the number of MHs generated to 
> set up String concatenations.
>
> Theoretically we reduce the number of MHs created by up to a third, 
> and real time improvements in startup tests exercising ISC typically 
> hover around 10%. This optimization reverts JDK-8212597[1], so 
> expressions that benefited from that of course sees a smaller or no 
> added benefit.
>
> http://cr.openjdk.java.net/~redestad/8213035/jdk.00/
> https://bugs.openjdk.java.net/browse/JDK-8213035
>

This looks okay to me.

Mandy