[compiler-rt] [AArch64][compiler-rt] Add memcpy, memset, memmove, memchr simple imp… (PR #77496)

[Fangrui Song via llvm-commits]

MaskRay wrote:

> Add naive implementation of memcpy, memset, memmove, memchr for SME targets.

This can use more description why these functions need to go into compiler-rt. I assume that a future Clang will emit these calls (https://arm-software.github.io/acle/main/acle.html#streaming-compatible-versions-of-standard-routines).

> …lementation RT builtins.

The title has been wrapped by GitHub. It will be more readable by updating the title not to be wrapped.

https://github.com/llvm/llvm-project/pull/77496