[libc] [llvm] [libc] Improve memcpy for ARM Cortex-M supporting unaligned accesses. (PR #144872)

[Petr Hosek via llvm-commits]

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@@ -0,0 +1,127 @@
+#ifndef LLVM_LIBC_SRC_STRING_MEMORY_UTILS_ARM_INLINE_MEMCPY_H
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petrhosek wrote:

The copyright header is missing.

https://github.com/llvm/llvm-project/pull/144872