RFR: 8347555: [REDO] C2: implement optimization for series of Add of unique value [v4]

Kangcheng Xu kxu at openjdk.org
Fri Feb 28 18:00:14 UTC 2025


On Fri, 28 Feb 2025 09:52:06 GMT, Roland Westrelin <roland at openjdk.org> wrote:

>> Kangcheng Xu has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   update license header year
>
> src/hotspot/share/opto/addnode.cpp line 524:
> 
>> 522:       }
>> 523: 
>> 524:       lhs_multiplier = bt == T_INT
> 
> Why isn't it: `java_shift_left(1, con->get_int(), bt)` ?

You're absolutely right. Sorry, that was a very naive oversight.

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PR Review Comment: https://git.openjdk.org/jdk/pull/23506#discussion_r1975820086


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