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  1. MariaDB Server
  2. MDEV-25807

ARM build failure due to missing ISB instruction on ARMv6

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.5.10
    • 10.5.11
    • Compiling
    • None

    Description

      The problem was introduced by MDEV-24630.

      Compilation fails with:

      selected processor doesn't support 'ISB' in ARM mode.

      If the processor is ARMv6, it doesn't support isb instruction, as per the documentation here:
      https://www.keil.com/support/man/docs/armasm/armasm_dom1361289871865.htm

      The proper fix is to detect if the current compiling processor supports the inline assembly and only then activate the performance optimization feature.

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          is caused by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-24630 MY_RELAX_CPU assembly instruction upgrade/research for memory barrier on ARM

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Activity

            People

              danblack Daniel Black
              cvicentiu Vicențiu Ciorbaru
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              Dates

                Created:
                Updated:
                Resolved:

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