RFR: 8308103: Massive (up to ~30x) increase in C2 compilation time since JDK 17 [v2]

[Roland Westrelin]

On Mon, 3 Jul 2023 06:05:59 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

>> Roland Westrelin 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 three additional commits since the last revision:
>> 
>>  - review
>>  - Merge branch 'master' into JDK-8308103
>>  - fix & test
>
> test/hotspot/jtreg/compiler/loopopts/TestSinkingNodesCausesLongCompilation.java line 58:
> 
>> 56:     public static void main(String[] strArr) {
>> 57:         TestSinkingNodesCausesLongCompilation _instance = new TestSinkingNodesCausesLongCompilation();
>> 58:         for (int i = 0; i < 10; i++ ) {
> 
> Suggestion:
> 
>         for (int i = 0; i < 10; i++) {

Thanks for the comments. I updated the change.

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PR Review Comment: https://git.openjdk.org/jdk/pull/14732#discussion_r1267650043