RFR: 8367657: C2 SuperWord: NormalMapping demo from JVMLS 2025 [v6]

[Emanuel Peter]

On Fri, 19 Sep 2025 04:05:15 GMT, Galder Zamarreño <galder at openjdk.org> wrote:

>> Emanuel Peter has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - Update test/hotspot/jtreg/compiler/gallery/TestNormalMapping.java
>>    
>>    Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
>>  - Update test/hotspot/jtreg/compiler/gallery/NormalMapping.java
>>    
>>    Co-authored-by: Christian Hagedorn <christian.hagedorn at oracle.com>
>
> Great demo! I run it on my M4 Pro at 220 FPS with default flags 😎

@galderz @chhagedorn Thanks for the reviews!

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PR Comment: https://git.openjdk.org/jdk/pull/27282#issuecomment-3383511790