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From "George Timoshenko (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5418) [drlvm][jit][em64t] JIT for 64bit doesn't have write barrier support
Date Wed, 30 Jan 2008 05:40:34 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

George Timoshenko updated HARMONY-5418:
---------------------------------------

    Attachment: HARMONY-5418-JITs_2.0.patch

the patch contains:

1) bugfixes in JET
2) write_ref helper is STDCALL
3) write_ref works through 'write_slot'

Hello world PASSES :

uncompressed mode:
-Xem:jet -XX:vm.compress_references=false -XX:gc.minor_algorithm=MINOR_GEN_SEMISPACE_POOL
Hello 
-Xem:opt -XX:vm.compress_references=false -XX:gc.minor_algorithm=MINOR_GEN_SEMISPACE_POOL
Hello

compressed mode:
-Xem:opt -XX:vm.compress_references=true -XX:gc.minor_algorithm=MINOR_GEN_SEMISPACE_POOL Hello


HW hangs on JET in compressed mode:

-Xem:jet -XX:vm.compress_references=true -XX:gc.minor_algorithm=MINOR_GEN_SEMISPACE_POOL Hello



> [drlvm][jit][em64t] JIT for 64bit doesn't have write barrier support 
> ---------------------------------------------------------------------
>
>                 Key: HARMONY-5418
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5418
>             Project: Harmony
>          Issue Type: Task
>          Components: DRLVM
>         Environment: EM64T
>            Reporter: Xiao-Feng Li
>            Assignee: Mikhail Fursov
>         Attachments: HARMONY-5418-JITs_1.0.patch, HARMONY-5418-JITs_2.0.patch
>
>
> This is related to HARMONY-5413. Both issues are to enable generational semispace GC
as the default GC of Harmony DRLVM.

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