[jira] [Assigned] (HADOOP-19616) Add bswap support for RISC-V

["Ayush Saxena (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-19616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ayush Saxena reassigned HADOOP-19616:
-------------------------------------

    Assignee: Lei Wen

> Add bswap support for RISC-V
> ----------------------------
>
>                 Key: HADOOP-19616
>                 URL: https://issues.apache.org/jira/browse/HADOOP-19616
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: native
>    Affects Versions: 3.3.0, 3.4.1
>            Reporter: Lei Wen
>            Assignee: Lei Wen
>            Priority: Major
>              Labels: pull-request-available
>
> *Problem*
> While building Hadoop native code on the riscv64 architecture, the build fails due to missing support for bswap operations. The standard implementation relies on compiler intrinsics or platform-specific assembly which are not defined for RISC-V targets.
> This results in compilation errors such as:
> * Error: unrecognized opcode `bswap a4'
> * Error: unrecognized opcode `bswap a3'
> *Resolution*
> Add bswap support for RISC-V.



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