Re: [PATCH v2] x86: Alias memset to __builtin_memset.

[Joe Perches]

On Tue, 2020-03-24 at 15:07 +0100, Clement Courbet wrote:
>     Recent compilers know the meaning of builtins (`memset`,
>     `memcpy`, ...) and can replace calls by inline code when
>     deemed better. For example, `memset(p, 0, 4)` will be lowered
>     to a four-byte zero store.
> 
>     When using -ffreestanding (this is the case e.g. building on
>     clang), these optimizations are disabled. This means that **all**
>     memsets, including those with small, constant sizes, will result
>     in an actual call to memset.
[]
>     In terms of code size, this grows the clang-built kernel a
>     bit (+0.022%):
>     440285512 vmlinux.clang.after
>     440383608 vmlinux.clang.before

This shows the kernel getting smaller not larger.
Is this still reversed or is this correct?