RFR: 8202547: Move G1 runtime calls used by generated code to G1BarrierSetRuntime

[Thomas Schatzl]

Hi,

On Fri, 2018-05-18 at 17:03 +0200, Erik Österlund wrote:
> Hi,
> 
> Generated code occasionally needs to call into the runtime for G1 
> barriers. Some of these slow-path runtime calls are in
> SharedRuntime, some are in G1BarrierSet. It would be nice to have
> them collected in the  same place. This patch move these slow-path
> C++ functions for G1 into a new class, g1BarrierSetRuntime.
> 
> Webrev:
> http://cr.openjdk.java.net/~eosterlund/8202547/webrev.00/
> 
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8202547
> 
> Thanks,
> /Erik

  looks good.

Thomas