RFR: JDK-8217909: Make unused r12 register (without compressed oops) available to regalloc in C2

[Roman Kennke]

Thanks, Dean!

Roman

> Looks good to me too!
> 
> dl
> 
> On 2/19/19 7:17 AM, Andrew Dinn wrote:
>> On 19/02/2019 12:14, Roman Kennke wrote:
>>> And here comes the 'final' version:
>>>
>>> Incremental (vs. -02):
>>> http://cr.openjdk.java.net/~rkennke/JDK-8217909/webrev.03.diff/
>>> Full webrev:
>>> http://cr.openjdk.java.net/~rkennke/JDK-8217909/webrev.03/
>>>
>>> Reviews? Opinions?
>> Bravo! Looks good to me.
>>
>> I think we should probably do the same to allow us to return either fp
>> or r27 or both to the allocator on AArch64 (as a follow-up patch).
>>
>> regards,
>>
>>
>> Andrew Dinn
>> -----------
>> Senior Principal Software Engineer
>> Red Hat UK Ltd
>> Registered in England and Wales under Company Registration No. 03798903
>> Directors: Michael Cunningham, Michael ("Mike") O'Neill, Eric Shander
> 

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