On Mon, 28 Oct 2024 05:15:18 GMT, Henry Jen <[email protected]> wrote:
>> This PR split out large array/set construction into separate factory methods
>> to avoid oversized method trying to construct several of those.
>>
>> In order to do that, we will need to generate those help methods on demand
>> in the class builder. Here we have two approach, one is for dedup set, which
>> is processed in advance so we can know what methods should be created.
>>
>> Another is for random set, such as packages, thus we put those request into
>> a queue to amend the class later.
>>
>> To keep the optimization of caching built value that are references more
>> than once, it was implemented using local vars, which doesn't work well for
>> helper methods. The existing approach to populate local vars doesn't work
>> well with larger scope of split operation, as the slot was allocated on
>> lazily built, but the transfer is captured in advance, this count could
>> mismatch as built time and run time.
>>
>> So we make this build in advance, and use a static array for values referred
>> more than once.
>>
>> All the codegen instead of giving index to be loaded, the builder snippet
>> now load the wanted set/array to the operand stack to be consistent.
>
> Henry Jen has updated the pull request incrementally with one additional
> commit since the last revision:
>
> Fix regression failed to setup helper methods properly
Typo
src/jdk.jlink/share/classes/jdk/tools/jlink/internal/Snippets.java line 69:
> 67:
> 68: /**
> 69: * The type of the reference be loaded onto the operatnd stack.
Suggestion:
* The type of the reference be loaded onto the operand stack.
-------------
PR Review: https://git.openjdk.org/jdk/pull/21022#pullrequestreview-2402984988
PR Review Comment: https://git.openjdk.org/jdk/pull/21022#discussion_r1821471902
