RFR: 8342662: C2: Add new phase for backend-specific lowering [v2]

[Jasmine Karthikeyan]

On Mon, 21 Oct 2024 12:55:39 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> Jasmine Karthikeyan has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Address some changes from code review
>
> Build changes look good (but would be slightly better without the extra blank line). I have not reviewed the actual hotspot changes.

Thanks for looking at the build changes, @magicus! I've pushed a commit that removes the extra newline in the makefiles and adds newlines to the ends of files that were missing them.

Thanks for taking a look as well, @merykitty and @jatin-bhateja! I've pushed a commit that should address the code suggestions and left some comments as well.

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PR Comment: https://git.openjdk.org/jdk/pull/21599#issuecomment-2434090294