RFR(sh/jdk11): Shenandoah: Isolate shared-code changes

[Roman Kennke]

On Wed, 2020-07-08 at 10:25 +0200, Roland Westrelin wrote:
> > Hmm, but it does exist in jdk11u and the intention here was to make
> > clear
> > that we don't possibly change existing behaviour by introducing
> > Shenandoah
> > to upstream jdk11u. E.g. compile to the exact same code when
> > building with
> > -shenandoahgc.
> 
> What we need is to have IGVN process the call so enqueueing the call
> is
> all we need. Not need to enqueue the uses of the call.
> 


Alright, so that is sufficient then?

http://cr.openjdk.java.net/~rkennke/shjdk11-c2-enqueue-barrier/webrev.01/

Roman