RFR: Misc cleanups

[Nils Eliasson]

Looks good,

Thank you for fixing!

// Nils


On 2018-03-15 09:40, Per Liden wrote:
> Spring cleaning continues! Here are five more patches that basically 
> just removes currently unused code and removes some cosmetic compiler 
> related changes that we've been carrying around in the master patch, 
> but they don't really belong in the ZGC repo.
>
> * ZGC: C2: Remove unused testL_reg_mem3 on x86
> http://cr.openjdk.java.net/~pliden/zgc/remove_unused_testq/webrev.0
>
> * ZGC: C1/C2: Remove unused infrastructure for R12-based load barrier 
> support on x86
> http://cr.openjdk.java.net/~pliden/zgc/remove_unused_infra_for_r12/webrev.0 
>
>
> * ZGC: C2: Remove unused variables in C2 code
> http://cr.openjdk.java.net/~pliden/zgc/remove_unused_c2_variables/webrev.0 
>
>
> * ZGC: Remove left-overs in various compiler related files
> http://cr.openjdk.java.net/~pliden/zgc/remove_misc_leftovers/webrev.0
>
> * ZGC: Remove unused ZHeap::pagetable_addr() and friends
> http://cr.openjdk.java.net/~pliden/zgc/remove_unused_pagetable_addr/webrev.0 
>
>
> /Per