Add Assembler::testw register + immediate function for x86

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    • Type: Enhancement
    • Resolution: Won't Fix
    • Priority: P4
    • None
    • Affects Version/s: 21
    • Component/s: hotspot
    • None

      The testw register + immediate instruction is missing in the x86 assembler. It's used by generational ZGC. Let's add it.

            Assignee:
            Erik Österlund
            Reporter:
            Erik Österlund
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