RFR: 8370196: C2: Improve (U)MulHiLNode::MulHiValue [v4]

[Zihao Lin]

On Tue, 18 Nov 2025 15:17:00 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Zihao Lin has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Add Math to Operations.java
>
> test/hotspot/jtreg/compiler/lib/template_framework/library/Operations.java line 252:
> 
>> 250:         ops.add(Expression.make(LONGS, "Math.unsignedMultiplyHigh(", LONGS, ",", LONGS, ")"));
>> 251: 
>> 252:         // TODO: other classes.
> 
> Suggestion:
> 
>         // TODO: rest of Math and other classes.

Thank you

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PR Review Comment: https://git.openjdk.org/jdk/pull/28097#discussion_r2538613256