RFR: 8309271: A way to align already compiled methods with compiler directives [v29]

[Dmitry Chuyko]

On Wed, 13 Mar 2024 07:43:35 GMT, Serguei Spitsyn <sspitsyn at openjdk.org> wrote:

>> Dmitry Chuyko has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 47 commits:
>> 
>>  - Resolved master conflicts
>>  - Merge branch 'openjdk:master' into compiler-directives-force-update
>>  - Merge branch 'openjdk:master' into compiler-directives-force-update
>>  - Merge branch 'openjdk:master' into compiler-directives-force-update
>>  - Merge branch 'openjdk:master' into compiler-directives-force-update
>>  - Merge branch 'openjdk:master' into compiler-directives-force-update
>>  - Merge branch 'openjdk:master' into compiler-directives-force-update
>>  - Merge branch 'openjdk:master' into compiler-directives-force-update
>>  - Merge branch 'openjdk:master' into compiler-directives-force-update
>>  - Merge branch 'openjdk:master' into compiler-directives-force-update
>>  - ... and 37 more: https://git.openjdk.org/jdk/compare/782206bc...ff39ac12
>
> src/hotspot/share/ci/ciEnv.cpp line 1144:
> 
>> 1142: 
>> 1143:       if (entry_bci == InvocationEntryBci) {
>> 1144:         if (TieredCompilation) {
> 
> Just a naive question. Why this check has been removed?

We want to let replacement of C2 method version by another C2 version of the same method in both tired and non-tired mode, which was not allowed

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PR Review Comment: https://git.openjdk.org/jdk/pull/14111#discussion_r1523618332