[PATCH] x86-64: Optimize memset for zeroing

[H.J. Lu]

On Fri, Dec 31, 2021 at 12:43 PM Florian Weimer <fw@deneb.enyo.de> wrote:
>
> * H. J. Lu via Libc-alpha:
>
> > bzero is an alias of SSE2 memset in glibc.   Should we add __memsetzero
> > like __memcmpeq?  It should be almost free in glibc.  GCC can use
> > __memsetzero if it is available.
>
> bzero does not have the interface ambiguity that bcmp has.  So the
> only reason for not using it would be namespace cleanliness.

bzero isn't a standard C function and it isn't optimized like memset
in glibc.

-- 
H.J.