RFR: Misc cleanups

[Per Liden]

Thanks for reviewing Stefan and Nils!

/Per


On 2018-03-16 10:34, Nils Eliasson wrote:
> 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
>