AArch64: Implement Base64 decoding intrinsic

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    • Type: Enhancement
    • Resolution: Fixed
    • Priority: P4
    • 17
    • Affects Version/s: 16
    • Component/s: hotspot
    • b18
    • aarch64
    • linux

      In JDK-8248188, IntrinsicCandidate and API is added for Base64 decoding and implements the intrinsic for Power64LE.

      We can do the same thing for aarch64 with ld4/tbl/tbx/st3 NEON instructions, a basic idea can be found at http://0x80.pl/articles/base64-simd-neon.html#encoding-quadwords.

            Assignee:
            Dong Bo
            Reporter:
            Dong Bo
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              Created:
              Updated:
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