[13] RFR (S): 8218163: C2: Continuous deoptimization w/ Reason_speculate_class_check and Action_none

[Vladimir Ivanov]

Thanks, Vladimir and Nils.

Best regards,
Vladimir Ivanov

On 01/02/2019 01:23, Nils Eliasson wrote:
> +1
> 
> // Nils
> 
> On 2019-02-01 06:16, Vladimir Kozlov wrote:
>> Looks good.
>>
>> Thanks,
>> Vladimir
>>
>> On 1/31/19 11:46 AM, Vladimir Ivanov wrote:
>>> http://cr.openjdk.java.net/~vlivanov/8218163/webrev.00/
>>> https://bugs.openjdk.java.net/browse/JDK-8218163
>>>
>>> Guarded inlining doesn't take recompilation count into account when 
>>> decided whether to issue an uncommon trap or virtual call on slow path.
>>> But it may end up as uncommon trap with Action_none when 
>>> recompilation count is too high.
>>>
>>> The fix is to consider both trap & recompilation counts when making 
>>> the decision.
>>>
>>> Testing: hs-precheckin-comp, tier1-5
>>>
>>> Best regards,
>>> Vladimir Ivanov