RFR: 8307084: C2: Vectorized drain loop is not executed for some small trip counts

[Christian Hagedorn]

On Tue, 10 Dec 2024 15:00:52 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> src/hotspot/share/opto/predicates.hpp line 369:
>> 
>>> 367: 
>>> 368: public:
>>> 369:   explicit CommonAssertionPredicate(IfTrueNode* success_proj)
>> 
>> Can you explain this change? Also: you may have to change the description about the predicates at the top of this file.
>
> @chhagedorn might have some reservations about this, but I'll let him comment on his own.

The Assertion Predicate code is changing at the moment. I've been waiting with some patches until the fork. There is more coming now. How urgent is the work of this patch? Otherwise, it might be easier to wait for the changes within the next weeks.

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PR Review Comment: https://git.openjdk.org/jdk/pull/22629#discussion_r1878296999