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Posted to issues@arrow.apache.org by "Antoine Pitrou (JIRA)" <ji...@apache.org> on 2019/07/25 09:44:00 UTC

[jira] [Assigned] (ARROW-6032) [C++] CountSetBits doesn't ensure 64-bit aligned accesses

     [ https://issues.apache.org/jira/browse/ARROW-6032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou reassigned ARROW-6032:
-------------------------------------

    Assignee: Antoine Pitrou

> [C++] CountSetBits doesn't ensure 64-bit aligned accesses
> ---------------------------------------------------------
>
>                 Key: ARROW-6032
>                 URL: https://issues.apache.org/jira/browse/ARROW-6032
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++
>    Affects Versions: 0.14.1
>            Reporter: Antoine Pitrou
>            Assignee: Antoine Pitrou
>            Priority: Major
>
> If the {{data}} pointer isn't 64-bit aligned, then {{CountSetBits}} fails to ensure 64-bit aligned accesses in the 64-bit popcnt loop.



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