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Implement various intrinsics in the JIT #17778

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@BradleyWood

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@BradleyWood

As new JDK versions are released, new methods are introduced that should be recognized by the compiler and implemented with an intrinsic implementation. This issue will track work on methods that should have an intrinsic implementation, especially those marked with @IntrinsicCandidate. Please let me know if you find any that do not have an intrinsic implementation so I can update this issue.


Class Name x z p aarch64 Related Issue
java/math/BigInteger implSquareToLen #16711
jdk/internal/util/ArraysSupport vectorizedMismatch #16662
java/lang/Integer compress
java/lang/Integer expand
java/lang/Long compress
java/lang/Long expand
... ...

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