Fix for 8013633, fix platform ifdefs in unsafe.cpp

[BILL PITTORE]

On 5/6/2013 11:46 PM, David Holmes wrote:
> Hi Bill,
>
> On 1/05/2013 4:55 AM, bill.pittore at oracle.com wrote:
>> Rather than add yet another platform to the ifdefs in unsafe.cpp we
>> thought it would be cleaner to reference
>> #ifdef SUPPORTS_NATIVE_CX8
>>
>> which is set in platform specific globalsDefinitions_<arch>.hpp file
>>
>> Webrev is here:
>> http://cr.openjdk.java.net/~bpittore/8013633/webrev.00/
>
> Remove the comments
>
> ! // Sparc, X86, and ARM v7a have atomic jlong (8 bytes) instructions
>
> Not much point moving away from a list of architectures in the ifdef 
> if you are going to add them to the comment anyway :)
I kinda flipped a coin on that but I agree, best to just nuke the comment.

bill
>
> Otherwise looks good to me.
>
> Thanks,
> David
>
>> thanks,
>> bill