RFR: 8345485: C2 MergeLoads: merge adjacent array/native memory loads into larger load [v4]

[Emanuel Peter]

On Tue, 18 Mar 2025 08:54:14 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> kuaiwei has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Revert extract value and add more tests
>
> src/hotspot/share/opto/memnode.cpp line 1979:
> 
>> 1977:     return l->unique_out();
>> 1978:   } else {
>> 1979:     return (Node*)l;
> 
> Hmm, I don't like casting away `const`... is there a way to avoid this?

Could the output pointer be `const`?

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PR Review Comment: https://git.openjdk.org/jdk/pull/24023#discussion_r2000515583