JDK10/RFR(L): 8167199: Add C2 SPARC intrinsic for BigInteger::multiplyToLen() method.

[Vladimir Kozlov]

On 8/29/17 2:22 AM, Nils Eliasson wrote:
> Hi Patric,
> 
> Looks good.

+1

> 
> Just make sure this code path is covered in the regular testing.

There are jtreg multiplytolen tests. Make sure they run on SPARC.
You can also run jvm2008 crypto sub-benchmarks.

Thanks,
Vladimir

> 
> Regards,
> 
> Nils
> 
> 
> On 2017-08-28 15:06, Patric Hedlin wrote:
>> Dear all,
>>
>> I would like to ask for help to review the following change/update:
>>
>> Issue:   https://bugs.openjdk.java.net/browse/JDK-8167199
>>
>> Webrev:  http://cr.openjdk.java.net/~phedlin/tr8167199/
>>
>>
>> 8167199: Add C2 SPARC intrinsic for BigInteger::multiplyToLen() method.
>>
>>     Added C2 SPARC support for intrinsic 'multiplyToLen', including
>>     generalised version based on 'mpmul' instruction (when available).
>>     The code emitted should be subject for evaluation (e.g. MME on
>>     SPARC Core C5 might be used in an improved version).
>>
>> Testing:
>>
>>     Mostly tested on JDK9 (jtreg/RBT/hotspot/tier0-comp).
>>     Testing on JDK10 (jtreg/RBT/hotspot/precheckin-comp).
>>
>>
>> Best regards,
>> Patric
>