RFR: 8222825: ARM32 SIGILL issue on single core CPU (not supported PLDW instruction)

[Boris Ulasevich]

Hi David,

   It took a time to test the change :)
   Yes, please. Thank you!

Boris

14.05.2019 8:00, David Holmes пишет:
> Hi Boris,
>
> I was wondering what had happened to this one :)
>
> Looks good! I can sponsor for you.
>
> Thanks,
> David
>
> On 14/05/2019 2:45 pm, Boris Ulasevich wrote:
>> Hi all,
>>
>> Please review the fix for SIGILL that happens on ARM32 CPU without 
>> Multiprocessing Extensions support (this applies to single-core arm32 
>> processors, which are not very common this days). With the fix we 
>> check PLDW instruction availability on JVM start-up to correct 
>> further instructions generation.
>>
>> https://bugs.openjdk.java.net/browse/JDK-8222825
>> http://cr.openjdk.java.net/~bulasevich/8222825/webrev.03.jdk-jdk
>>
>> thanks,
>> Boris