[jira] Resolved: (HARMONY-3291) Fast TLS access on Linux (IA32&Intel64)

["Alexey Varlamov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HARMONY-3291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Varlamov resolved HARMONY-3291.
--------------------------------------

    Resolution: Fixed

Integrated at r529873 with the following mods:
1) HYTHR* macros definitions moved from vm/include/open/hycomp.h to vm/include/open/hythread.h and documented;
2) Define APR_TLS_USE for Winx64 only, and use plain thread local var for Linux@IPF (just as it was earlier). Otherwise IPF fails because hythread_self_slow() is not exported on Linux for some reason.
3) Deffered some mods in Ia32Encoder, need more accurate investigation&fix.

BTW, I did not quite get Pavel's comments in his patch (Makes-changes-in-VM-part-more-compiler-independent.patch):
//TODO: GCC-specific, need to add ICL
I tried building with ICC, it worked OK.

> Fast TLS access on Linux (IA32&Intel64)
> ---------------------------------------
>
>                 Key: HARMONY-3291
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3291
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>            Reporter: Alex Astapchuk
>         Assigned To: Alexey Varlamov
>            Priority: Minor
>         Attachments: 0001-Fast-TLS-on-Linux-thread-manager-part(Merge_with_H-3397).patch, 0001-Fast-TLS-on-Linux-thread-manager-part.patch, 0001-FastTLS-missed-files.patch, 0002-Fast-TLS-on-Linux-Jitrino-part.patch, Makes-changes-in-VM-part-more-compiler-independent.patch
>
>
> The attached patches introduce a fast access to TLS for jit-ted code on Linux-es.
> build test passed on Win32 and SuSE9 (both IA32 and Intel64) (*)
> (*) with only exception - test java.lang.RuntimeTest2.test_exec_Str failed 
> on *interpreter* on Win32. This failure is unrelated to the changes.

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