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

[David Holmes]

Hi Boris,

Waiting to see if you have any response to Dean's suggestion before I 
push this for you.

David

On 14/05/2019 4:28 pm, dean.long at oracle.com wrote:
> This looks good.  In arm.ad, you could use two rules and a predicate, so 
> that the PrintOptoAssembly output is correct.
> 
> dl
> 
> On 5/13/19 11:04 PM, Boris Ulasevich wrote:
>> 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
>>
>>
>