[PATCH v2 1/4] riscv: Add multiarch scaffolding for str*/mem* routines

[Yao Zihong]

> For the RVV implementation, please split the symbols with one per patch. Also
> for __memcmpeq I would just alias to memcmp, the optimization is only a couple
> of instructions on the found patch; but it is up to you if you really think it
> is worth it (and for memcmp, can’t you synthesize the results from the vector
> register instead of reading the input?).

> The same applies to the string RVV routines [7]. It puzzles me why you are
> pushing for arch-optimized strcat/strncat when strcpy/strlen/strnlen/memcpy
> are optimized. Again, it is up to the RISC-V maintainer to see if this is valuable.

Understood - the current RVV work was mainly to intended to continue existing
community efforts.

For memcmp/__memcmpeq I can fold or alias as suggested, and if the maintainers feel
the str{n}cat side isn’t worth the extra complexity, I would drop or alias those as well.

Thanks,
Zihong