RFR(M): 8210887: Tweak C2 gc api for arraycopy

[Tobias Hartmann]

Hi Roland,

okay, thanks for the clarifications.

Best regards,
Tobias

On 25.09.2018 10:37, Roland Westrelin wrote:
> 
> Hi Tobias,
> 
>> Looks good to me. I'm assuming the currently unused arguments of array_copy_requires_gc_barriers
>> will be used for Shenandoah? Why you need to distinguish between ArrayCopyPhase?
> 
> Thanks for the view.
> 
> Yes extra arguments are to be used by shenandoah.
> 
> Generating barriers once parsing is over is not supported by all
> gcs. The shape of the barriers is sometimes too complicated to be
> emitted at igvn time.
> 
> Roland.
>