Re: [PATCH 2/3] lib: zlib_inflate: improves decompression performance

[Jann Horn]

On Mon, Nov 9, 2020 at 8:27 PM <zengzhaoxiu@xxxxxxx> wrote:
> This patch does:
> 1. Cleanup code and reduce branches
> 2. Use copy_from_back to copy the matched bytes from the back output buffer

What exactly is copy_from_back()? Is it like memmove()? If yes, have
you tried using memmove() instead of the code added in patch 1/3?