RFR: 8278947: Support for array constants in constant table [v2]

[Quan Anh Mai]

On Tue, 8 Feb 2022 15:24:36 GMT, Claes Redestad <redestad at openjdk.org> wrote:

>> Quan Anh Mai has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 10 additional commits since the last revision:
>> 
>>  - Merge branch 'master' into constantVectorUpdate
>>  - update copyright
>>  - missing type in array_constant
>>  - Merge branch 'master' into constantVector
>>  - use constant table for remaining types
>>  - Merge branch 'master' into constantVector
>>  - refactor
>>  - replicate using constant
>>  - Merge branch 'master' into constantVector
>>  - initial commit
>
> Could we use this facility to get rid of the `Integer.sizeTable` which is only used by C2? See https://bugs.openjdk.java.net/browse/JDK-8143900

@cl4es Yes I think we can utilize this to do so, we just need to expose a constant array and the load to the middle-end then.

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PR: https://git.openjdk.java.net/jdk/pull/6908