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  1. JDK
  2. JDK-8273367

[Vector API] Fix a regression of rearrange intrinsic after JDK-8272479

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      After JDK-8272479, the following crash was observed on x86 with `-ea -esa -Xcomp -XX:CompileThreshold=100`

      test Double256VectorTests.RearrangeDouble256VectorTests(double[-i * 5], shuffle[random]): success
      test Double256VectorTests.RearrangeDouble256VectorTests(double[i * 5], shuffle[random]): success
      test Double256VectorTests.RearrangeDouble256VectorTests(double[i + 1], shuffle[random]): success
      test Double256VectorTests.RearrangeDouble256VectorTests(double[cornerCaseValue(i)], shuffle[random]): success
      o114 ReplicateD === _ o73 [[o340 ]] #vectory[4]:{double}

      --N: o114 ReplicateD === _ o73 [[o340 ]] #vectory[4]:{double}

         --N: o73 ConI === o0 [[o166 o173 o114 ]] #int:0
         IMMI 10 IMMI
         IMMI_0 0 IMMI_0
         IMMI2 0 IMMI2
         IMMU7 5 IMMU7
         IMMI8 5 IMMI8
         IMMU8 5 IMMU8
         IMMI16 10 IMMI16
         IMMU31 0 IMMU31
         RREGI 50 loadConI0
         RAX_REGI 50 loadConI0
         RBX_REGI 50 loadConI0
         RCX_REGI 50 loadConI0
         RDX_REGI 50 loadConI0
         RDI_REGI 50 loadConI0
         NO_RAX_RDX_REGI 50 loadConI0
         STACKSLOTI 150 storeSSI

      Affected tests:
      jdk/incubator/vector/Double256VectorTests.java
      jdk/incubator/vector/DoubleMaxVectorTests.java
      jdk/incubator/vector/Float128VectorTests.java
      jdk/incubator/vector/Float256VectorTests.java
      jdk/incubator/vector/FloatMaxVectorTests.java
      jdk/incubator/vector/Long256VectorTests.java
      jdk/incubator/vector/LongMaxVectorTests.java

            jiefu Jie Fu
            jiefu Jie Fu
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              Created:
              Updated:
              Resolved: