RFR(M): 8212243: More gc interface tweaks for arraycopy and some other smaller changes in preparation for Shenandoah
erik.osterlund at oracle.com
Thu Oct 18 15:41:43 UTC 2018
On 2018-10-18 17:37, Roland Westrelin wrote:
>> I prefer the first one.
> Then you have to test the type of the C2Access being dealt with. Would
> you do that with virtual methods in C2Access (is_parse_access(),
> is_opt_access()) or throught the _decorators maybe?
Yes. As for how to generate the RAW access inside of BarrierSetC2, I
would prefer to check if it is_parse_access etc as you say.
As for the semantics, using decorators would make sense if there is some
reasonable semantic property we can catch.
To determine that, I wonder exactly what barriers you need here at the
write. All I know is what barriers you do not know (no SATB, no
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