[s390] C2: Wrong unsigned comparison with 0

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    • Type: Bug
    • Resolution: Fixed
    • Priority: P2
    • 11
    • Affects Version/s: 11
    • Component/s: hotspot
    • b12
    • s390x

      s390.ad contains a wrong node: compU_reg_imm0. It's used for unsigned comparison with 0, but it's implemented as signed comparison. This leads to generation of incorrect code which was observed after JDK-8200303.

            Assignee:
            Martin Doerr
            Reporter:
            Martin Doerr
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              Created:
              Updated:
              Resolved: