RFR: JDK-8209801: Remove C1_WRITE_ACCESS and C1_READ_ACCESS decorators

[Per Liden]

On 08/21/2018 09:16 PM, Roman Kennke wrote:
> This is a cleanup. Back when this code has been introduced I asked for
> those additional decorators, since then we introduced more generic
> non-C1 decorators with the same semantics. Let's use them everywhere.
> 
> It's only used in modRefBarrierSetC1.cpp, and contrary to what I was
> originally thinking, we don't need it in Shenandoah either. So maybe, if
> we figure out another way to handle ModRefBarrierSetC1, we could just as
> well remove them altogether. I don't mind keeping them though.
> 
> Bug:
> https://bugs.openjdk.java.net/browse/JDK-8209801
> Webrev:
> http://cr.openjdk.java.net/~rkennke/JDK-8209801/webrev.00/

Looks good.

/Per

> 
> Testing: hotspot/tier1
> 
> 
> Ok? Also, counts as trivial?
> 
> 
> Roman
>