[llvm-branch-commits] [llvm] [RISCV] Add initial support of memcmp expansion (PR #107548)

[Pengcheng Wang via llvm-branch-commits]

wangpc-pp wrote:

> The run just finished, I'm seeing a 0.75% improvement on 500.perlbench_r on the BPI F3 (-O3 -mcpu=spacemit-x60), no regressions or improvements on the other benchmarks as far as I can see. Seems to check out with the number of memcmps inlined reported for perlbench!

Thanks a lot! The result is within my expectation.
Is it OK to merge? The next step will be tuning for vectors.

https://github.com/llvm/llvm-project/pull/107548