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At present, `atomic_16.S' groups different implementations of the same functions together in the file. Therefore, as an example, the LSE2 implementation of `load_16' follows on immediately from its core implementation, as does the `store_16' LSE2 implementation. Such architectural extension-dependent implementations are dependent on ifunc support, such that they are guarded by the relevant preprocessor macro, i.e. `#if HAVE_IFUNC'. Having to apply these guards on a per-function basis adds unnecessary clutter to the file and makes its maintenance more error-prone. We therefore reorganize the layout of the file in such a way that all core implementations needing no `#ifdef's are placed first, followed by all ifunc-dependent implementations, which can all be guarded by a single `#if HAVE_IFUNC', greatly reducing the overall number of required `#ifdef' macros. libatomic/ChangeLog: * config/linux/aarch64/atomic_16.S: Reorganize functions in file. (HAVE_FEAT_LSE2): Delete.