RFR: Refactor asm acmp (aarch64)

[Aleksey Shipilev]

On 07/19/2017 04:50 PM, Roman Kennke wrote:
> Same as yesterday's refactoring in x86.
> 
> I chose 'cmpoops' as name for new assembly macro. cmp_oop_oop() doesn't
> seem to fit the common naming pattern that well. Will rename the x86
> side in followup patch too.
> 
> http://cr.openjdk.java.net/~rkennke/refactor_acmp_aarch64/webrev.00/

Looks good.

-Aleksey