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750 B
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25 lines
750 B
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.. _compiler_support:
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================
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Compiler Support
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================
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``LLVM libc`` compiles from both ``Clang`` and ``GCC`` but for maximum
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performance we recommend using ``Clang``.
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Indeed, some memory function implementations rely on `compiler intrinsics`__
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that are not currently available in ``GCC``.
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As such we cannot guarantee optimal performance for these functions.
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.. __: https://clang.llvm.org/docs/LanguageExtensions.html#guaranteed-inlined-copy
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For platforms where only ``GCC`` is natively available but maximum performance
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is required it is possible to bootstrap ``Clang`` with ``GCC`` and then use
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``Clang`` to build the '`libc``" project.
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Minimum supported versions
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==========================
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- ``Clang 11``
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- ``GCC 12.2``
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