This is an archive of the discontinued LLVM Phabricator instance.

	.. _compiler_support:			.. _compiler_support:

	================			================
	Compiler Support			Compiler Support
	================			================

	As of now only ``Clang`` is fully supported.			``LLVM libc`` compiles from both ``Clang`` and ``GCC`` but for maximum
				performance we recommand using ``Clang``.

	We are in the process of supporting ``GCC`` but some memory function implementations rely on `compiler intrinsics`__ that are not currently available in ``GCC``.			Indeed, some memory function implementations rely on `compiler intrinsics`__
				that are not currently available in ``GCC``.
	As such we cannot guarantee optimal performance for these functions.			As such we cannot guarantee optimal performance for these functions.

	.. __: https://clang.llvm.org/docs/LanguageExtensions.html#guaranteed-inlined-copy			.. __: https://clang.llvm.org/docs/LanguageExtensions.html#guaranteed-inlined-copy

				For platforms where only ``GCC`` is natively available but maximum performance
				sivachandraUnsubmitted Not Done Reply Inline Actions Nit: "build the '`libc``" project. sivachandra: Nit: "build the '`libc``" project.
				is required it is possible to bootstrap ``Clang`` with ``GCC`` and then use
				``Clang`` to build the '`libc``" project.

	Minimum version			Minimum version
	===============			===============

	- ``Clang 11``			- ``Clang 11``
				- ``GCC 12.2```

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