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  1. JDK
  2. JDK-8347555

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

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    • Icon: Enhancement Enhancement
    • Resolution: Unresolved
    • Icon: P4 P4
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      JDK-8325495 caused a regression and we decided to back it out for JDK 24 given that we are close to RDP 2 (JDK-8347554). Details about the regression can be found at the backout.

      This REDO is targeted to JDK 25.
      ---------
      Original RFE Description:

      I noticed this:
      ArithmeticCanonicalizationBenchmark
      in
      https://ionutbalosin.com/2024/02/jvm-performance-comparison-for-jdk-21/#jit-compiler

        1.
        		 [BACKOUT] C2: implement optimization for series of Add of unique value Sub-task Resolved Christian Hagedorn  

            kxu Kangcheng Xu
            chagedorn Christian Hagedorn
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              Created:
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