svn commit: r333240 - in head/sys: powerpc/powerpc sys

[Brooks Davis]

On Fri, May 04, 2018 at 04:00:48AM +0000, Mateusz Guzik wrote:
> Author: mjg
> Date: Fri May  4 04:00:48 2018
> New Revision: 333240
> URL: https://svnweb.freebsd.org/changeset/base/333240
> 
> Log:
>   Allow __builtin_memmove instead of bcopy for small buffers of known size

What is the justification for forcing a size rather than using the
compiler's built-in fallback to memmove?  Is the kernel compilation
environment disabling that?

-- Brooks
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