[jira] Updated: (HARMONY-3183) [drlvm][jit] HelloWorld app fails in -Xem:opt mode with verification level=2

["Mikhail Fursov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HARMONY-3183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mikhail Fursov updated HARMONY-3183:
------------------------------------

    Attachment: peephole.diff

The fix.


> [drlvm][jit] HelloWorld app fails in -Xem:opt mode with verification level=2
> ----------------------------------------------------------------------------
>
>                 Key: HARMONY-3183
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3183
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Mikhail Fursov
>         Attachments: peephole.diff
>
>
> HelloWorld app fails in -Xem:opt mode with verification level=2
> To reproduce use this params:
> -Xem:opt  -verbose:em  -XDjit.arg.verify=2
> output:
> EM: compile done:[CS_OPT n=227: OK] com/ibm/icu4jni/common/ErrorCode::isSuccess(I)Z
> EM: compile start:[CS_OPT n=228] com/ibm/icu4jni/charset/CharsetEncoderICU::<init>(Ljava/nio/charset/Charset;J[B)V
> EM: compile done:[CS_OPT n=228: OK] com/ibm/icu4jni/charset/CharsetEncoderICU::<init>(Ljava/nio/charset/Charset;J[B)V
> EM: compile start:[CS_OPT n=229] java/nio/charset/CharsetEncoder::<init>(Ljava/nio/charset/Charset;FF[B)V
> Operand live at entry: t63(XMM1S):single
> This means there is a use of the operand when it is not yet defined
> Operand live at entry: o85(XMM1D):double
> This means there is a use of the operand when it is not yet defined
> Operand live at entry: o86(XMM1D):double
> This means there is a use of the operand when it is not yet defined
> Liveness verification failure
> Verification failure after peephole

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