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From "Robin Garner (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-4854) [drlvm][jit][opt] VMMagic Address prefetch support in JIT.
Date Fri, 12 Oct 2007 07:45:50 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-4854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12534240

Robin Garner commented on HARMONY-4854:

My reading of the Intel manuals is that PREFETCHNTA is the most applicable prefetch instruction.
 Is this correct, or is PREFETCHT0 better ?

> [drlvm][jit][opt] VMMagic Address prefetch support in JIT.
> ----------------------------------------------------------
>                 Key: HARMONY-4854
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4854
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>         Environment: Any, except IA-64
>            Reporter: Yuri Kashnikoff
>            Assignee: Mikhail Fursov
>         Attachments: prefetch.zip
> This patch makes available org.vmmagic.unboxed.Address.prefetch() using. For encoding
prefetch() "PREFETCHT0 m8" is using here (use "Intel® 64 and IA-32 Architectures Software
Developer's Manual Volume 2B: Instruction Set Reference, N-Z", №253667 for more information
about PREFETCH command). Any comments are welcome.

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