RFR (S) 8078438: Interpreter should support conditional card marks (UseCondCardMark)

[Aleksey Shipilev]

It would be nice to have the same change on other platforms as well. I
wanted to get some early feedback/implementation in to probe the ground.
The potential hit on highly-threaded machines (so, SPARC) is probably
much greater than on low-threaded ones.

We can collect the implementations for other platforms under this RFE,
if you think this is a better course of action.

Thanks,
-Aleksey.

On 04/25/2015 01:15 AM, Dean Long wrote:
> Is this change only important for x86 and not other platforms such as
> sparc?
> 
> dl
> 
> On 4/24/2015 6:45 AM, Aleksey Shipilev wrote:
>> On 04/24/2015 04:06 PM, Andrew Haley wrote:
>>> On 04/24/2015 02:03 PM, Aleksey Shipilev wrote:
>>>> If anybody wants, I can merge AArch64 part into my webrev, so it is
>>>> delivered in the same push.
>>> Cool, thanks.
>> Sure. Here is a merged webrev:
>>   http://cr.openjdk.java.net/~shade/8078438/webrev.02/
>>
>> I also added a simple sanity jtreg test.
>>
>> Thanks,
>> -Aleksey
>>
>>
>