[libc-commits] [libc] [libc][MVE] implement MVE accelerated memcmp (PR #224857)

[Schrodinger ZHU Yifan via libc-commits]

SchrodingerZhu wrote:

> This seems to be a backend bug? We don't emit vctp in PerformVSetCCToVCTPCombine because the handling for SETUGE / SETUGT seems incorrect. Fixing this the following code appeared identical https://godbolt.org/z/TooqbxPcP, but I'll leave a real fix to the Arm backend experts.

Let me take a look. I may select a middle ground implementation for now.

https://github.com/llvm/llvm-project/pull/224857