C2: Did something just happen to unrolling?

[Tobias Hartmann]

Any update on this?

Andrew, do you have a reproducer so we can file a bug?

Thanks,
Tobias

On 12.04.22 18:33, Vladimir Kozlov wrote:
> If Roland's patch will not help, file bug. There were several changes to loop optimizations in past
> weeks.
> 
> Thanks,
> Vladimir K
> 
> On 4/12/22 8:44 AM, Roland Westrelin wrote:
>>
>>> So, does anyone here reading this have any idea what happened in the last month
>>> or two? Did someone change the unrolling heuristics?
>>
>> Can you try backing out:
>> https://github.com/openjdk/jdk/pull/7822
>> ?
>>
>> It's not supposed to affect non vectorized loop though.
>>
>> Roland.
>>