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https://issues.apache.org/jira/browse/HADOOP-19616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei Wen updated HADOOP-19616:
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Parent: HADOOP-19623
Issue Type: Sub-task (was: Improvement)
> 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
> Priority: Major
>
> *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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