Missing optimization: mempcpy(3) vs memcpy(3)

[Martin Liška]

On 12/9/22 18:11, Alejandro Colomar via Gcc wrote:
> I expect the compiler to be knowledgeable enough to call whatever is fastest, whatever it is, but be consistent in both cases.  However, here are the results:

Hi.

Note the glibc implementation of mempcpy typically uses (calls) memcpy, thus
I don't see any problem with the code snippets you provided.

Cheers,
Martin