RFR: 8343767: Enumerate StubGen blobs, stubs and entries and generate code from declarations [v9]

[Martin Doerr]

On Mon, 2 Dec 2024 16:18:07 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

>> Implementation of JDK-8343767
>
> Andrew Dinn has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:
> 
>   increase compiler stub space for macos x86_64

I think I found the problem on PPC64: `TEST_FILL` should only run when `OptimizeFill` is enabled. Note that this feature is unsupported on PPC64.
In addition, feel free to remove `zero_words_aligned8` completely. It's dead code.

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PR Comment: https://git.openjdk.org/jdk/pull/21957#issuecomment-2518537113